{"title":"Drivetrain \u0026 Transmission Parts for Mercedes-Benz","description":"\u003cp\u003eDrivetrain and transmission components for Mercedes-Benz and Mercedes-AMG — shift solenoids, dipsticks, mounts, and supporting hardware. Filter by engine platform to confirm fitment.\u003c\/p\u003e","products":[{"product_id":"transmission-gearbox-fluid-dipstick-1200mm-for-mercedes-benz-722-6-140589152100","title":"140589152100 Mercedes 722.6 Transmission Dipstick | ATF Fluid Level Tool (1200mm)","description":"\u003cdiv class=\"container\" style=\"font-family: Arial, sans-serif; color: #333; line-height: 1.6;\"\u003e\n\n\u003ch1\u003eMercedes-Benz 722.6 Transmission Fluid Dipstick (1200mm) – ATF Level Check Tool\u003c\/h1\u003e\n\n\u003cp\u003e\nMercedes-Benz vehicles equipped with the \u003cstrong\u003e722.6 5-speed automatic transmission\u003c\/strong\u003e do not include a factory dipstick, making routine transmission fluid checks difficult without dealer-only tools. This \u003cstrong\u003eaftermarket 722.6 transmission dipstick\u003c\/strong\u003e provides a \u003cstrong\u003esimple, accurate, and cost-effective solution\u003c\/strong\u003e for checking ATF fluid levels at home or in the shop.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhether you’re performing a transmission service, topping off fluid, or diagnosing shifting behavior, this tool removes guesswork and helps protect one of the most critical components in your Mercedes.\n\u003c\/p\u003e\n\n\u003cp class=\"highlight\"\u003e\n\u003cstrong\u003eA must-have tool for any Mercedes 722.6 owner, DIY enthusiast, or independent shop.\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cdiv class=\"important\"\u003e\n\u003cp\u003e\u003cstrong\u003e✔ OEM-Style Fitment:\u003c\/strong\u003e Designed to match Mercedes-Benz part number \u003cstrong\u003e140589152100\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✔ Fast \u0026amp; Easy Use:\u003c\/strong\u003e Check transmission fluid level in minutes\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✔ Proven Aftermarket Solution:\u003c\/strong\u003e Sold extensively with no issues\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eWhy You Need a 722.6 Transmission Dipstick\u003c\/h2\u003e\n\n\u003cp\u003e\nThe 722.6 transmission is known for its durability, but proper fluid level is critical to its longevity. Running low or overfilled ATF can lead to rough shifting, overheating, and premature wear.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis dipstick allows you to:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify ATF level during transmission services\u003c\/li\u003e\n\u003cli\u003eTop off fluid accurately\u003c\/li\u003e\n\u003cli\u003eMonitor fluid condition over time\u003c\/li\u003e\n\u003cli\u003eAvoid unnecessary dealership visits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic Transmission Fluid Level Dipstick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Transmission:\u003c\/strong\u003e Mercedes-Benz 722.6 (5-Speed Automatic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement For:\u003c\/strong\u003e 140589152100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternate Part Numbers:\u003c\/strong\u003e A140589152100, 140 589 15 21 00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1200mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Stainless steel shaft with high-quality plastic handle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccurate Measurement:\u003c\/strong\u003e Clearly marked fluid level indicators for reliable readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeat \u0026amp; Corrosion Resistant:\u003c\/strong\u003e Built to withstand transmission service conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s Included:\u003c\/strong\u003e One 722.6 transmission dipstick – ready to use.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\n\u003cp\u003e\nCompatible with a wide range of Mercedes-Benz vehicles equipped with the \u003cstrong\u003e722.6 automatic transmission\u003c\/strong\u003e. If your Mercedes uses the 722.6 gearbox, this tool is required to properly check ATF fluid level.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Always confirm compatibility using transmission type or part number \u003cstrong\u003e140589152100\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003c!-- KEEP YOUR FULL COMPATIBILITY TABLE EXACTLY AS-IS BELOW --\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"margin-top: 20px;\"\u003e\nThis dipstick is an \u003cstrong\u003eaftermarket service tool\u003c\/strong\u003e designed for functionality and accuracy. It is not an OEM part but provides a reliable solution for routine Mercedes transmission maintenance.\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 10px;\"\u003e\nIf you have questions about fitment, fluid type, or service procedure, \u003cstrong\u003econtact us directly\u003c\/strong\u003e — we’re happy to help.\n\u003c\/p\u003e\n\n\u003cp style=\"text-align: center; margin-top: 25px;\"\u003e\n\u003cstrong\u003eTake control of your Mercedes maintenance and service your 722.6 transmission with confidence.\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44076811059375,"sku":"140589152100","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/mercedes-7226-transmission-dipstick-red-handle-140589152100.webp?v=1753068109"},{"product_id":"street-valve-body-v2","title":"Street Valve Body v2 for 722.6 Transmission","description":"\u003cp\u003eThe \u003cstrong\u003eStreet Valve Body v2\u003c\/strong\u003e is a plug-and-play performance upgrade for the Mercedes \u003cstrong\u003e722.6 automatic transmission\u003c\/strong\u003e, engineered for faster, firmer shifts and improved torque delivery on street-driven AMG builds. It offers roughly a 150% shift-firmness improvement over stock with seamless installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play performance:\u003c\/strong\u003e ~150% improvement over stock, designed for street use with straightforward installation and stronger gear shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced power delivery:\u003c\/strong\u003e quicker shifting and improved torque handling for a more responsive drive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized setup:\u003c\/strong\u003e for maximum performance, pair with AMG blue-top solenoids and a TCU tune. Add our deep pan for the complete transmission upgrade.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace-only option:\u003c\/strong\u003e a 200% valve body is available for track applications. Note: tuning is not supported for that model — contact us for details.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e32K AMG (M112K)\u003c\/li\u003e\n\u003cli\u003e55K AMG (M113K)\u003c\/li\u003e\n\u003cli\u003e600 \/ 65 AMG (M275)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCore Fee Information\u003c\/h3\u003e\n\u003cp\u003eNo core return required — we keep cores in stock for faster delivery and minimal downtime. The valve body is compatible with both Chrysler and Mercedes applications, though labeling may vary.\u003c\/p\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44503904125103,"sku":"BU-7226-VB-STREET-V2","price":925.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/street-valve-body-v2-7226-transmission-amg-m112k-m113k-m275-upgrade.png?v=1759978504"},{"product_id":"clutch-delete-supercharger-pulley-for-m112k","title":"Clutch Delete Supercharger Pulley M112K | C32 SLK32 SRT6 Upgrade","description":"\u003cdiv style=\"font-family: Arial, sans-serif; background-color: #f5f5f5; padding: 20px; border-radius: 10px; line-height: 1.7; color: #333;\"\u003e\n\u003c!-- HEADER --\u003e\n\u003cdiv style=\"background-color: #1a1a1a; color: #ffcc00; text-align: center; padding: 15px; border-radius: 10px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"margin: 0;\"\u003eClutch Delete Supercharger Pulley for Mercedes M112K\u003c\/h2\u003e\n\u003cp style=\"color: #fff; margin-top: 5px;\"\u003eC32 AMG • SLK32 AMG • Crossfire SRT6 | Fixed Pulley Upgrade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- PERFORMANCE INTRO --\u003e\n\u003cp style=\"font-size: 16px;\"\u003eTransform your \u003cstrong\u003eMercedes M112K 3.2L Supercharged V6\u003c\/strong\u003e with our \u003cstrong\u003eClutch Delete Supercharger Pulley\u003c\/strong\u003e. This precision-engineered fixed pulley eliminates the OEM clutch assembly—keeping the \u003cstrong\u003eEaton M45\/M62 supercharger\u003c\/strong\u003e fully engaged for instant throttle response, consistent boost, and uncompromising power delivery.\u003c\/p\u003e\n\u003cp\u003eThis upgrade is ideal for \u003cstrong\u003eAMG 32K platforms\u003c\/strong\u003e running performance exhausts, cooling mods, or ECU tunes. Expect sharper throttle response, stronger mid-range torque, and up to \u003cstrong\u003e420 horsepower\u003c\/strong\u003e with proper calibration.\u003c\/p\u003e\n\u003c!-- FEATURE GRID --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 15px; margin-top: 20px;\"\u003e\n\u003cdiv style=\"flex: 1 1 260px; background: #222; color: #fff; padding: 15px; border-radius: 10px; text-align: center;\"\u003e\n\u003ch4 style=\"color: #ffcc00;\"\u003e⚡ Full-Time Boost\u003c\/h4\u003e\n\u003cp\u003eRemoves the OEM electromagnetic clutch for \u003cstrong\u003econstant supercharger engagement\u003c\/strong\u003e. No slip, no lag—just instant boost when you hit the throttle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; background: #222; color: #fff; padding: 15px; border-radius: 10px; text-align: center;\"\u003e\n\u003ch4 style=\"color: #ffcc00;\"\u003e🏁 Increased Power\u003c\/h4\u003e\n\u003cp\u003eWith proper tuning, gains of up to \u003cstrong\u003e+25 HP and +30 lb-ft\u003c\/strong\u003e are achievable on the stock pulley ratio. Unlock even more with pulley size upgrades and performance tuning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; background: #222; color: #fff; padding: 15px; border-radius: 10px; text-align: center;\"\u003e\n\u003ch4 style=\"color: #ffcc00;\"\u003e🔩 CNC Billet Aluminum\u003c\/h4\u003e\n\u003cp\u003eMachined from \u003cstrong\u003e6061-T6 aluminum\u003c\/strong\u003e for perfect fitment, belt alignment, and high-RPM reliability. Designed to handle continuous boost pressure and heat cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TECH SPECS --\u003e\n\u003cdiv style=\"background-color: #fff; border: 1px solid #ddd; border-radius: 10px; padding: 20px; margin-top: 25px;\"\u003e\n\u003ch3 style=\"color: #1a1a1a;\"\u003e📊 Technical Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeletes clutch drag to reduce parasitic loss in the \u003cstrong\u003esupercharger drive system\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eImproves \u003cstrong\u003epulley belt grip\u003c\/strong\u003e and power delivery under heavy load\u003c\/li\u003e\n\u003cli\u003eEliminates boost fluctuations common in OEM clutch systems\u003c\/li\u003e\n\u003cli\u003eEnhances \u003cstrong\u003eairflow consistency\u003c\/strong\u003e for safer, cleaner ECU calibration\u003c\/li\u003e\n\u003cli\u003eSupports higher \u003cstrong\u003eboost pressure levels\u003c\/strong\u003e when combined with upgraded tuning or intercooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended:\u003c\/strong\u003e Pair with a \u003ca href=\"https:\/\/benzunitedparts.com\/collections\/tuning\" style=\"color: #007bff; text-decoration: underline;\"\u003ecustom ECU tune\u003c\/a\u003e for optimal AFR and throttle response.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FITMENT TABLE --\u003e\n\u003cdiv style=\"background-color: #fff; border: 1px solid #ddd; border-radius: 10px; padding: 20px; margin-top: 25px;\"\u003e\n\u003ch3 style=\"text-align: center;\"\u003e⚙️ Fitment Compatibility\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #ddd;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eMercedes-Benz C32 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eW203\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2002–2004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eMercedes-Benz SLK32 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eR170\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2002–2004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eChrysler Crossfire SRT6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eZH\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2005–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center; color: #555; margin-top: 10px;\"\u003e(Made to order, ships within 10 days of placed order)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- CTA + TUNING --\u003e\n\u003cdiv style=\"background-color: #ffcc00; padding: 25px; border-radius: 10px; margin-top: 25px; text-align: center;\"\u003e\n\u003ch3 style=\"color: #1a1a1a;\"\u003e💪 Maximize Your AMG 32K Build\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; color: #333;\"\u003eCombine your \u003cstrong\u003eClutch Delete Pulley\u003c\/strong\u003e with ECU tuning, upgraded heat exchangers, and intake systems to extract the full potential of your \u003cstrong\u003eM112K\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ca href=\"https:\/\/benzunitedparts.com\/collections\/tuning\" style=\"background-color: #1a1a1a; color: #fff; padding: 12px 30px; border-radius: 8px; text-decoration: none; font-weight: bold; display: inline-block; margin-top: 10px;\"\u003eExplore AMG Tuning Options →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- FOOTER --\u003e\u003cfooter style=\"margin-top: 25px; background-color: #1a1a1a; color: #fff; text-align: center; padding: 15px; border-radius: 10px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e© 2025 BenzUnited Parts | Precision-Built Performance for Mercedes-AMG\u003c\/p\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"72mm","offer_id":44503945740463,"sku":"BU-M112K-PULCD-72","price":350.0,"currency_code":"USD","in_stock":true},{"title":"68mm","offer_id":44503945773231,"sku":"BU-M112K-PULCD-68","price":350.0,"currency_code":"USD","in_stock":true},{"title":"65mm","offer_id":44503945805999,"sku":"BU-M112K-PULCD-65","price":350.0,"currency_code":"USD","in_stock":true},{"title":"62mm","offer_id":44503945838767,"sku":"BU-M112K-PULCD-62","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/clutch-delete-supercharger-pulley-m112k-c32-slk32-srt6-upgrade.jpg?v=1760762082"},{"product_id":"clutched-supercharger-pulley-for-c32-amg-slk32-amg-crossfire-srt-m112k","title":"Clutched Supercharger Pulley for C32 AMG SLK32 AMG Crossfire SRT M112k","description":"\u003cp\u003eA clutched supercharger pulley for the Mercedes \u003cstrong\u003eM112K supercharged V6\u003c\/strong\u003e — fitting the \u003cstrong\u003eC32 AMG, SLK32 AMG, and Chrysler Crossfire SRT-6\u003c\/strong\u003e. Available in 72mm, 68mm, 65mm, and 63mm sizes, it increases boost and supercharger RPM for meaningful rear-wheel power and torque gains while reducing rotational mass. A supporting tune is required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower gains:\u003c\/strong\u003e optimizes boost levels and supercharger RPM for added rear-wheel horsepower and torque without sacrificing reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight design:\u003c\/strong\u003e approximately 35% lighter than the factory pulley, reducing rotational mass to help supercharger longevity and drivability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong potential:\u003c\/strong\u003e up to 420 horsepower with stock exhaust and supporting cooling upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily-friendly:\u003c\/strong\u003e improved drivability with no negative impact on highway mileage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eC32 AMG (M112K)\u003c\/li\u003e\n\u003cli\u003eSLK32 AMG (M112K)\u003c\/li\u003e\n\u003cli\u003eChrysler Crossfire SRT-6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSizing \u0026amp; Installation\u003c\/h3\u003e\n\u003cp\u003eChoose your pulley diameter above — smaller pulleys spin the supercharger faster for more boost. Professional installation recommended, and a supporting tune is required for optimal, safe performance.\u003c\/p\u003e","brand":"BenzUnited Parts","offers":[{"title":"72mm","offer_id":44504021074095,"sku":"BU-M112K-PUL-72","price":550.0,"currency_code":"USD","in_stock":true},{"title":"68mm","offer_id":44504021106863,"sku":"BU-M112K-PUL-68","price":500.0,"currency_code":"USD","in_stock":true},{"title":"65mm","offer_id":44504021139631,"sku":"BU-M112K-PUL-65","price":500.0,"currency_code":"USD","in_stock":true},{"title":"63mm","offer_id":44504021172399,"sku":"BU-M112K-PUL-63","price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/clutched-supercharger-pulley-m112k-c32-slk32-crossfire-upgrade.jpg?v=1760047764"},{"product_id":"722-6-blue-top-shift-solenoids","title":"722.6 Blue Top Shift Solenoids Mercedes M113K E55 CLS55 CL55 S55 SL55","description":"\u003ch2\u003e722.6 Blue Top Shift Solenoids for Mercedes M113K AMG (E55, CLS55, CL55, S55, SL55)\u003c\/h2\u003e\n\u003cp\u003eUpgrade your transmission performance with \u003cstrong\u003e722.6 Blue Top Shift Solenoids\u003c\/strong\u003e, designed for Mercedes-AMG models powered by the \u003cstrong\u003eM113K 5.4L Supercharged V8\u003c\/strong\u003e. These solenoids are essential for anyone performing \u003cstrong\u003evalve body work\u003c\/strong\u003e or seeking to enhance \u003cstrong\u003eshift quality, responsiveness, and reliability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose Blue Top Shift Solenoids?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEngineered for precision and durability, these solenoids modulate shift pressure to deliver \u003cstrong\u003ecrisper, harder, and faster gear changes\u003c\/strong\u003e. Ideal for tuned or performance-oriented AMGs, they significantly improve \u003cstrong\u003etransmission feedback and consistency\u003c\/strong\u003e under spirited driving.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrisper Shifts:\u003c\/strong\u003e Achieve sharper, faster, and more responsive gear changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Shift Pressure:\u003c\/strong\u003e Optimized modulation for sportier, more precise shifting behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential Valve Body Upgrade:\u003c\/strong\u003e A must-have component when servicing or upgrading your 722.6 transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Kit:\u003c\/strong\u003e Includes two Blue Top Shift Solenoids for easy installation and immediate performance improvement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-Benz E55 AMG (2003–2006)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLS55 AMG (2005–2006)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL55 AMG (2003–2006)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S55 AMG (2003–2006)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL55 AMG (2003–2008)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission Type\u003c\/th\u003e\n\u003ctd\u003eMercedes 722.6 (5-Speed Automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eShift Pressure and Valve Body Modulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eM113K 5.4L Supercharged AMG Models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Components\u003c\/th\u003e\n\u003ctd\u003e2x Blue Top Shift Solenoids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003eDirect fit, plug-and-play\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Shifting:\u003c\/strong\u003e Sharper, more defined gear transitions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Response:\u003c\/strong\u003e Faster shift engagement for a sportier feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance:\u003c\/strong\u003e Ideal for high-mileage or modified AMGs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Solution:\u003c\/strong\u003e Includes everything needed for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eDo these solenoids work on all 722.6 transmissions?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThey’re specifically tuned for \u003cstrong\u003eM113K AMG applications\u003c\/strong\u003e such as the E55, CLS55, SL55, S55, and CL55. They are not recommended for non-AMG 722.6 transmissions.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eDo I need to remove the valve body to install them?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eYes, installation requires removal of the valve body. These solenoids are a \u003cstrong\u003edirect-fit replacement\u003c\/strong\u003e during valve body service or transmission rebuilds.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat’s included in the kit?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe kit includes \u003cstrong\u003etwo Blue Top Shift Solenoids\u003c\/strong\u003e, ready for installation. No additional hardware is required.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 20px;\"\u003eBenzUnited Parts — Your Source for Mercedes Performance Upgrades\u003c\/p\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44509831790767,"sku":"BU-7226-SOL-BLUETOP","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/7226-blue-top-shift-solenoids-mercedes-m113k-e55-amg-transmission-upgrade.jpg?v=1760414684"},{"product_id":"wavetrac-limited-slip-differential","title":"Wavetrac Limited Slip Differential for Mercedes-AMG M113K (E55 SL55 CLS55)","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; background-color: #f9f9f9; padding: 25px; border: 1px solid #ccc; max-width: 840px; margin: auto; border-radius: 10px;\"\u003e\n\u003c!-- SEO TOP SUMMARY BLOCK --\u003e\n\u003cp\u003e\u003cstrong\u003eWavetrac Limited Slip Differential for Mercedes-AMG M113K models including E55, CLS55, and SL55 AMG.\u003c\/strong\u003e Improves traction, stability, launches, and cornering with a maintenance-free design and direct OEM-fit installation.\u003c\/p\u003e\n\u003c!-- TEXT-ONLY QUICK FITMENT LIST --\u003e\n\u003ch3 style=\"margin-top: 18px;\"\u003eAMG M113K Fitment (Quick Reference)\u003c\/h3\u003e\n\u003cul style=\"margin-top: 5px; padding-left: 20px; line-height: 1.6;\"\u003e\n\u003cli\u003e2003–2006 E55 AMG (W211)\u003c\/li\u003e\n\u003cli\u003e2006 CLS55 AMG (W219)\u003c\/li\u003e\n\u003cli\u003e2003–2011 SL55 AMG (R230)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- MAIN HEADER --\u003e\n\u003ch1 style=\"text-align: center; font-size: 26px; color: #1a1a1a; margin-top: 30px;\"\u003eWavetrac Limited Slip Differential for Mercedes-AMG M113K\u003c\/h1\u003e\n\u003ch2 style=\"text-align: center; font-size: 17px; color: #666; font-weight: normal; margin-bottom: 20px;\"\u003eUnlock Superior Traction, Stability \u0026amp; Power Delivery\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7;\"\u003eThe \u003cstrong\u003eWavetrac Limited Slip Differential (LSD)\u003c\/strong\u003e is the most effective traction upgrade for \u003cstrong\u003esupercharged M113K AMG platforms\u003c\/strong\u003e. Whether you’re launching an E55 or road-racing a CLS55, the Wavetrac LSD ensures both rear wheels put power down consistently — even when one wheel becomes unloaded (bumps, launches, uneven pavement).\u003c\/p\u003e\n\u003ch3 style=\"color: #1a1a1a; font-size: 18px; margin-top: 30px;\"\u003e🔧 Key Benefits\u003c\/h3\u003e\n\u003cul style=\"font-size: 15px; padding-left: 20px; line-height: 1.8;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassively Improved Traction:\u003c\/strong\u003e Ideal for high-torque M113K supercharged setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter Launches:\u003c\/strong\u003e Eliminates one-wheel spin and wheel hop during hard acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable Cornering:\u003c\/strong\u003e Maintains torque transfer during aggressive turns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e No friction plates — zero periodic service required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Replacement:\u003c\/strong\u003e Drops into factory differential housing with no modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWavetrac Patent Advantage:\u003c\/strong\u003e Continues to lock even when one wheel is unloaded, unlike standard clutch LSDs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #1a1a1a; font-size: 18px; margin-top: 30px;\"\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul style=\"font-size: 15px; padding-left: 20px; line-height: 1.8;\"\u003e\n\u003cli\u003eWavetrac Limited Slip Differential\u003c\/li\u003e\n\u003cli\u003eCarrier bearings\u003c\/li\u003e\n\u003cli\u003eAxle seals\u003c\/li\u003e\n\u003cli\u003eInstallation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- COMPATIBILITY TABLE --\u003e\n\u003ch3 style=\"color: #1a1a1a; font-size: 18px; margin-top: 30px;\"\u003e✅ Compatibility – M113K AMG Models\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin-top: 10px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #eaeaea;\"\u003e\n\u003cth style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; text-align: left; width: 37.8766%;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; text-align: left; width: 27.7379%;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; text-align: left; width: 34.4333%;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 37.8766%;\"\u003eE55 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 27.7379%;\"\u003eW211\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 34.4333%;\"\u003e2003–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 37.8766%;\"\u003eCLS55 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 27.7379%;\"\u003eW219\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 34.4333%;\"\u003e2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 37.8766%;\"\u003eSL55 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 27.7379%;\"\u003eR230\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 34.4333%;\"\u003e2003–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center; margin-top: 35px;\"\u003e\u003ca href=\"https:\/\/benzunitedparts.com\/collections\/mercedes-m113k-performance-upgrades-e55-cls55-sl55-s55-g55\" style=\"background-color: #1a1a1a; color: white; padding: 12px 25px; font-size: 16px; text-decoration: none; border-radius: 5px; font-weight: bold; display: inline-block;\"\u003e🛒 Browse all M113K Performance Parts\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: #666; margin-top: 30px; border-top: 1px solid #ccc; padding-top: 10px; text-align: center;\"\u003e\n\u003cp\u003e\u003cstrong\u003eBenzUnited Parts\u003c\/strong\u003e – The Mercedes \u0026amp; AMG Specialists\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eExperience the difference with Wavetrac LSD.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44509884842159,"sku":"BU-M113K-LSD-WAVETRAC","price":1295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/wavetrac-lsd-mercedes-amg-m113k-e55-cls55-sl55.jpg?v=1785114512"},{"product_id":"mini-idler-pulley-m113k-2","title":"Mini Idler Pulley M113K AMG | E55 SL55 CL55 CLS55 S55 G55 Upgrade","description":"\u003ch2\u003e\u003cstrong\u003eMini Idler Pulley for Mercedes M113K AMG – Reduce Slip \u0026amp; Maintain Boost\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eM113K AMG\u003c\/strong\u003e belt drive system with this precision-engineered \u003cstrong\u003eMini Idler Pulley\u003c\/strong\u003e. Designed to increase belt wrap on the supercharger pulley, it helps reduce slip and maintain consistent boost—improving reliability and performance under high-load conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Billet Aluminum:\u003c\/strong\u003e Machined from high-grade billet for strength, durability, and heat resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Bearings:\u003c\/strong\u003e ZZ-rated \u003cstrong\u003eNachi\u003c\/strong\u003e bearings for quiet, smooth, long-life operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Belt Grip:\u003c\/strong\u003e Increases contact area to minimize slip at high RPM and under hard acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with Smaller SC Pulleys:\u003c\/strong\u003e Works perfectly with upgraded supercharger pulleys to ensure optimal belt contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Bolt-On:\u003c\/strong\u003e OEM-style fit and alignment; no modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA by ASP:\u003c\/strong\u003e Premium materials and craftsmanship.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Upgrade?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe factory M113K belt path can experience slip when boost is increased or belts age. This Mini Idler Pulley adds tension and wrap on the supercharger drive, stabilizing boost, sharpening throttle response, and reducing belt dust—an essential reliability and performance upgrade for tuned AMGs.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-Benz E55 AMG (2003–2006)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL55 AMG (2003–2008)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLS55 AMG (2005–2006)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL55 AMG (2003–2006)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S55 AMG (2003–2006)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz G55 AMG (2004–2012)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBy increasing belt wrap and stabilizing the drive system, this pulley helps your \u003cstrong\u003esupercharged M113K\u003c\/strong\u003e maintain target boost, deliver smoother acceleration, and improve long-term reliability—whether stock or pulley-upgraded.\u003c\/p\u003e\n\u003cfooter style=\"margin-top: 24px; text-align: center; font-size: 14px; color: #666;\"\u003e\n\u003cp\u003e\u003cstrong\u003eBenzUnited Parts\u003c\/strong\u003e — Trusted by AMG enthusiasts worldwide for premium Mercedes performance upgrades.\u003c\/p\u003e\n\u003c\/footer\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44510630412463,"sku":"BU-M113K-IDL-MINI","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/mini-idler-pulley-m113k-amg-e55-sl55-cl55-upgrade.jpg?v=1760761226"},{"product_id":"54mm-smooth-mini-idler-pulley-for-m113-and-m113k-amg-engines","title":"54mm Smooth Mini Idler Pulley for M113 and M113K AMG engines","description":"\u003ch3\u003e54mm Smooth Mini Idler Pulley: Enhance Your AMG Performance\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis product features ZZ-rated high-speed Nachi bearings, ensuring smooth and quiet operation. Proudly made in the \u003c\/span\u003e\u003cstrong\u003eUSA\u003c\/strong\u003e\u003cspan\u003e by ASP, it promises an easy installation and superior quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your AMG’s engine with the 54mm Smooth Mini Idler Pulley, engineered to deliver top-notch performance and reliability. Crafted from high-quality CNC billet aluminum, this idler pulley provides exceptional durability and precision, making it a top choice for high-performance engines.\u003c\/p\u003e\n\u003cp\u003eThe 54mm Smooth Mini Idler Pulley features ZZ-rated high-speed Nachi bearings, renowned for their smooth operation at high speeds. These premium bearings ensure a seamless, quiet running experience while minimizing wear and tear on your engine. By reducing friction, the pulley enhances overall engine efficiency and longevity.\u003c\/p\u003e\n\u003cp\u003eDesigned for easy installation, this idler pulley fits perfectly on the M113 and M113K AMG engines. Whether you’re a professional mechanic or a dedicated automotive enthusiast, you’ll find the upgrade process straightforward and hassle-free. The pulley’s precise design ensures a snug fit, eliminating any concerns about compatibility.\u003c\/p\u003e\n\u003cp\u003eProudly manufactured in the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUSA\u003c\/strong\u003e, the 54mm Smooth Mini Idler Pulley embodies American engineering excellence. Each pulley undergoes stringent quality control checks to ensure it meets the highest standards of performance and reliability.\u003c\/p\u003e\n\u003cp\u003eUpgrade your AMG’s engine with a component that boosts performance and enhances durability. Trust in our commitment to superior craftsmanship, and enjoy a smoother, more efficient driving experience.\u003c\/p\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44510715904175,"sku":"BU-M113K-IDL-54MM","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/54-mm-smooth-mini-idler-pulley-M113-M113k.png?v=1785115343"},{"product_id":"63-amg-5-piece-pulley-set-m156","title":"M156 AMG Billet Idler Pulley Set – 5 Piece Upgrade for C63, E63 \u0026 CLS63","description":"\u003cp\u003eThe \u003cstrong\u003eM156 AMG Billet Idler Pulley Set\u003c\/strong\u003e is the \"do it once\" fix for the M156's factory plastic idler pulleys. Five CNC-machined billet aluminum pulleys replace the weak factory plastic units that crack, wobble, and eventually fail with heat and mileage — a direct bolt-on upgrade for the C63, E63, CLS63, CL63, S63, and CLK63 AMG (naturally aspirated M156 V8).\u003c\/p\u003e\n\n\u003cp\u003eThe M156 is legendary — but the factory plastic idler pulleys are a known weak point. Heat cycles and mileage turn them into a ticking time bomb: squeaks, wobble, cracking, and eventually failure. This 5-piece billet set is built to take abuse, spin smooth, and stay quiet.\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Matters\u003c\/h3\u003e\n\u003cp\u003eWhen an idler pulley lets go, it's not just annoying noise — it can throw a belt and leave you stranded at the worst time. This kit replaces the weak plastic pieces with a permanent metal solution that brings reliability back to the front accessory drive.\u003c\/p\u003e\n\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet aluminum pulleys\u003c\/strong\u003e — no plastic, no compromises\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard anodized finish\u003c\/strong\u003e for long-term wear and corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZZ-rated Nachi bearings\u003c\/strong\u003e for smooth, quiet operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect bolt-on\u003c\/strong\u003e using factory mounting points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo changes\u003c\/strong\u003e to belt routing or accessory geometry\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cp\u003eIf your M156 has miles on it — or you just drive it like AMG intended — this is one of those upgrades that simply makes sense. It doesn't chase horsepower; it eliminates a known problem and gives you peace of mind at redline.\u003c\/p\u003e\n\n\u003ch3\u003eFitment Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-Benz C63 AMG (M156)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz E63 AMG (M156)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL63 AMG (M156)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLS63 AMG (M156)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S63 AMG (M156)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLK63 AMG (M156)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e Designed for naturally aspirated M156 engines only. Always verify engine code before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch3\u003eBuy With Confidence\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree U.S. shipping\u003c\/strong\u003e with tracking on all orders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment confirmed before you buy:\u003c\/strong\u003e not sure it fits your exact car? Send us your VIN and we'll verify before you order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMercedes-AMG specialists:\u003c\/strong\u003e we focus exclusively on Mercedes platforms — you're working with people who know the M156 inside out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal support:\u003c\/strong\u003e questions before or after purchase go straight to us, not a call center.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"mailto:benzunitedparts@gmail.com?subject=M156%20Idler%20Pulley%20Set%20Fitment%20Help\"\u003eConfirm fitment or ask a question →\u003c\/a\u003e\u003c\/p\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44510855528623,"sku":"M156-IDLER-PULLEY-5PC","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m156-amg-billet-idler-pulley-set-5-piece.png?v=1770704518"},{"product_id":"76mm-clutched-supercharger-pulley-for-mercedes-amg-m113k-e55-sl55","title":"76mm Clutched Supercharger Pulley for Mercedes AMG M113K E55 SL55","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333; padding: 20px; max-width: 800px; margin: auto;\"\u003e\n\u003ch2 style=\"color: #007fff; font-size: 24px; text-align: center;\"\u003e76mm Clutched Supercharger Pulley Upgrade – Mercedes AMG M113K\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eUnlock more horsepower and torque from your supercharged AMG with this precision-machined 76mm clutched pulley upgrade. Designed specifically for the M113K platform, this upgrade improves boost response and belt longevity while adding serious power gains.\u003c\/p\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eProven Performance Gains\u003c\/h2\u003e\n\u003cp\u003eOur tests have shown gains of \u003cstrong\u003e50–55 rear-wheel horsepower and torque\u003c\/strong\u003e while maintaining a safe level of boost and supercharger RPM. This pulley upgrade offers \u003cstrong\u003eexcellent drivability\u003c\/strong\u003e and does not negatively affect highway fuel economy. By reducing rotational mass, it also contributes to \u003cstrong\u003eincreased supercharger longevity\u003c\/strong\u003e over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e ECU tuning is strongly recommended to fully take advantage of the increased boost potential.\u003c\/p\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eWhy Upgrade to a 76mm Clutched Pulley?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore Boost, More Power:\u003c\/strong\u003e Smaller 76mm diameter increases supercharger RPM, improving low-end and mid-range torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutched Design:\u003c\/strong\u003e Reduces belt slip and strain at idle, improves drivability, and extends belt and bearing life under boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fitment:\u003c\/strong\u003e CNC-machined from billet aluminum for perfect balance and durability under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack-Tested:\u003c\/strong\u003e Proven upgrade for both street and strip — ideal for supporting mods like heat exchangers and tunes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eVehicle Fitment:\u003c\/h2\u003e\n\u003cp\u003eThis pulley fits all Mercedes-Benz AMG models equipped with the supercharged 5.4L V8 M113K engine:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-Benz AMG E55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG SL55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG CL55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG S55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG CLS55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG G55\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 76mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Billet 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Anodized Black or Silver (depending on stock)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Spring-loaded clutch hub for reduced parasitic drag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Pulley assembly only (idler and belt sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eRecommended With:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgraded Heat Exchanger\u003c\/li\u003e\n\u003cli\u003eLonger Belt (required for proper tension)\u003c\/li\u003e\n\u003cli\u003eECU Tune to maximize boost efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 20px;\"\u003eBolt on serious power, reliability, and response — upgrade your AMG's supercharger with this 76mm clutched pulley today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45733086593199,"sku":"BU-M113K-PUL-76","price":695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/76mm-clutched-supercharger-pulley-mercedes-amg-m113k-e55-sl55.jpg?v=1785111978"},{"product_id":"70mm-clutched-supercharger-pulley-for-mercedes-m113k-amg-v8","title":"70mm Clutched Supercharger Pulley for Mercedes M113K AMG V8","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333; padding: 20px; max-width: 800px; margin: auto;\"\u003e\n\u003ch2 style=\"color: #007fff; font-size: 24px; text-align: center;\"\u003eVRP 70mm Clutched Supercharger Pulley – Mercedes AMG M113K\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eUpgrade your M113K-powered AMG with the VRP 70mm Clutched Supercharger Pulley — engineered for maximum performance without compromising drivability or reliability.\u003c\/p\u003e\n\u003cp\u003eThis high-performance pulley delivers substantial increases in rear-wheel horsepower and torque, while maintaining optimal boost levels and supercharger RPMs. The result is a noticeable jump in throttle response, acceleration, and power — all while preserving highway fuel efficiency and long-term supercharger health.\u003c\/p\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eKey Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive Power Gains:\u003c\/strong\u003e Achieve \u003cstrong\u003eover 100 RWHP and torque\u003c\/strong\u003e with proper tuning and supporting mods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+30 RWHP vs 76mm, +60 RWHP vs 83mm:\u003c\/strong\u003e The most aggressive option for M113K on a factory blower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutched Design:\u003c\/strong\u003e Reduces belt strain, improves longevity, and offers smoother engagement at low RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Rotational Mass:\u003c\/strong\u003e Lightweight billet construction eases blower load and increases reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compatibility:\u003c\/strong\u003e 70mm is the smallest pulley size compatible with the OEM supercharger without modification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003ePerformance \u0026amp; Efficiency\u003c\/h2\u003e\n\u003cp\u003eWith proper tuning, the VRP 70mm clutched pulley transforms your AMG's powerband. Expect sharper throttle response, stronger midrange torque, and significantly quicker acceleration. Despite its aggressive boost delivery, the pulley's lightweight construction and clutch hub design help preserve belt integrity and highway drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Power figures assume full supporting modifications and professional ECU tuning. Actual results may vary based on your setup.\u003c\/p\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eFitment – M113K AMG Models:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-Benz AMG E55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG SL55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG CLS55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG S55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG CL55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG G55\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Size:\u003c\/strong\u003e 70mm (Factory blower limit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Billet 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Anodized (Black or Silver)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Spring-loaded clutch hub\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Pulley assembly only (belt not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 20px;\"\u003eUnleash the full potential of your supercharged AMG — install the VRP 70mm clutched pulley and experience game-changing gains with daily-driver reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45733194956975,"sku":"BU-M113K-PUL-70","price":950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/70mm-Clutched-Supercharger-Pulley-M113K-Mercedes-AMG.png?v=1753729568"},{"product_id":"83mm-clutched-supercharger-pulley-for-mercedes-e55-amg-cls55-m113k","title":"83mm Clutched Supercharger Pulley for Mercedes E55 AMG CLS55 M113K","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333; padding: 20px; max-width: 800px; margin: auto;\"\u003e\n\u003ch2 style=\"color: #007fff; font-size: 24px; text-align: center;\"\u003e83mm Clutched Supercharger Pulley – Mercedes AMG M113K (2003–2006)\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eBoost your 55K AMG's performance with increased boost pressure and real-world power gains. This 83mm clutched supercharger pulley delivers performance without sacrificing drivability or longevity.\u003c\/p\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eKey Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Boost Pressure:\u003c\/strong\u003e Raises supercharger boost by approx. 2.5 PSI for improved acceleration and midrange torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear-Wheel Power Gains:\u003c\/strong\u003e Noticeable increase in horsepower and torque with supporting mods and tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Supercharger Longevity:\u003c\/strong\u003e Lightweight design reduces rotational mass, minimizing wear on supercharger bearings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Quality Bearings:\u003c\/strong\u003e Equipped with high-grade Nachi bearings, the same brand used in Mercedes OEM components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe \u0026amp; Efficient:\u003c\/strong\u003e Maintains safe RPM and boost levels for street reliability and highway mileage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eBenefits:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost Gains:\u003c\/strong\u003e +2.5 PSI over stock for more responsive throttle and better top-end pull.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Precision-machined from quality materials for long-term performance under high load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Operation:\u003c\/strong\u003e Designed to balance boost, belt tension, and long-term supercharger health.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eInstallation Notes:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e Bolts on using OEM specifications — no modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended:\u003c\/strong\u003e Use with supporting mods and ECU tuning for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007fff; font-size: 20px;\"\u003eVehicle Fitment – AMG M113K Models (2003–2006):\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-Benz AMG E55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG SL55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG CLS55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG S55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG CL55\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz AMG G55\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 20px;\"\u003eUpgrade your M113K AMG with proven power, reliable performance, and OEM-level precision — install the 83mm clutched pulley today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45733574049967,"sku":"BU-M113K-PUL-83","price":575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/83mm-clutched-supercharger-pulley-mercedes-amg-m113k.jpg?v=1753743403"},{"product_id":"clutch-delete-supercharger-pulley-for-mercedes-amg-m113k","title":"Clutch Delete Supercharger Pulley for Mercedes AMG M113K","description":"\u003cdiv style=\"max-width: 800px; margin: auto; font-family: Arial, sans-serif; color: #333; line-height: 1.6;\"\u003e\n  \u003ch2\u003eClutch Delete Supercharger Pulley – Mercedes-Benz AMG M113k\u003c\/h2\u003e\n\n  \u003cp\u003eDrop serious weight and unlock sharper throttle response with this ultra-lightweight \u003cstrong\u003eClutch Delete Supercharger Pulley\u003c\/strong\u003e. Designed specifically for the Mercedes-Benz M113k platform, this pulley completely removes the clutch pack and delivers raw, immediate power to your supercharger.\u003c\/p\u003e\n\n  \u003ch3\u003eFitments (2003–2006):\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMercedes-Benz E55 AMG\u003c\/li\u003e\n    \u003cli\u003eMercedes-Benz SL55 AMG\u003c\/li\u003e\n    \u003cli\u003eMercedes-Benz CL55 AMG\u003c\/li\u003e\n    \u003cli\u003eMercedes-Benz S55 AMG\u003c\/li\u003e\n    \u003cli\u003eMercedes-Benz CLS55 AMG\u003c\/li\u003e\n    \u003cli\u003eMercedes-Benz G55 AMG\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey Features:\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFeatherweight Design – Just 8oz:\u003c\/strong\u003e This pulley is \u003cstrong\u003eover 7 lbs lighter\u003c\/strong\u003e than the OEM clutched pulley and \u003cstrong\u003e4 lbs lighter\u003c\/strong\u003e than most fixed pulleys. That’s an extreme drop in rotating mass — and the result is instant power delivery and better throttle response.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Performance:\u003c\/strong\u003e Less rotating weight means improved acceleration, sharper engine response, and increased efficiency under load.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCustom Sizing:\u003c\/strong\u003e Available in multiple diameters up to 90mm, allowing you to fine-tune boost and performance based on your build.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Built to exacting standards right here in the United States for quality you can trust.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eImportant Note:\u003c\/h3\u003e\n  \u003cp\u003eThis is a \u003cstrong\u003eclutch delete pulley\u003c\/strong\u003e. Installation requires pressing off the OEM clutch pack. \u003cstrong\u003eThis is a permanent modification\u003c\/strong\u003e — once installed, reverting to a clutched or traditional fixed pulley is not possible.\u003c\/p\u003e\n\n  \u003cp\u003eIf you're serious about shaving weight, gaining throttle response, and pushing your 55K to its true potential, this pulley is a must. Feel the difference from the moment you hit the throttle.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45733618319535,"sku":"BU-M113K-PUL-CD","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/clutch-delete-supercharger-pulley-m113k-front.png?v=1753748890"},{"product_id":"oem-supercharger-pulley-bearing-for-2003-2006-e55-amg-nachi","title":"OEM Supercharger Pulley Bearing for E55 AMG M113K (2003–2006) – Nachi","description":"\u003cdiv style=\"max-width: 800px; margin: auto; font-family: Arial, sans-serif; color: #333; line-height: 1.6;\"\u003e\n\u003ch2\u003eOEM Replacement Supercharger Pulley Bearing – Nachi E55\u003c\/h2\u003e\n\u003cp\u003eEnsure peak performance and avoid costly damage with this high-quality \u003cstrong\u003eOEM Replacement Supercharger Pulley Bearing\u003c\/strong\u003e designed exclusively for the 2003–2006 Mercedes-Benz E55 AMG.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Fitment:\u003c\/strong\u003e Specifically engineered for the factory supercharger pulley setup—\u003cem\u003enot compatible\u003c\/em\u003e with aftermarket pulleys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven Quality:\u003c\/strong\u003e Manufactured by \u003cstrong\u003eNachi\u003c\/strong\u003e, the same supplier used in OEM Mercedes applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Prevents premature pulley failure, belt shredding, and supercharger malfunction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications needed. Easily replaces your worn or noisy bearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind:\u003c\/strong\u003e Keeps your AMG running smoothly under boost with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2003 Mercedes-Benz E55 AMG\u003c\/li\u003e\n\u003cli\u003e2004 Mercedes-Benz E55 AMG\u003c\/li\u003e\n\u003cli\u003e2005 Mercedes-Benz E55 AMG\u003c\/li\u003e\n\u003cli\u003e2006 Mercedes-Benz E55 AMG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDon't risk running your supercharged E55 on a failing bearing. \u003cstrong\u003eUpgrade today\u003c\/strong\u003e and restore OEM-level performance and reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45733620940975,"sku":"BU-M113K-SC-BRG","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/e55-amg-oem-supercharger-bearing-front.jpg?v=1753749681"},{"product_id":"m157-billet-polyurethane-engine-mounts-e63-cls63","title":"M157 Billet Polyurethane Engine Mounts – E63 \/ CLS63","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 880px; margin: auto; padding: 22px; border: 1px solid #e5e7eb; background: #fafafa; color: #1a1a1a; line-height: 1.7; border-radius: 10px;\"\u003e\n\u003c!-- TITLE \/ HOOK --\u003e\n\u003ch1 style=\"text-align: center; font-size: 26px; margin: 0 0 8px; color: #0b3b60;\"\u003eBillet \/ Polyurethane Engine Mounts for Mercedes-AMG M157 (W212 \/ W218)\u003c\/h1\u003e\n\u003cp style=\"text-align: center; margin: 0 0 18px; color: #475569;\"\u003eReduce drivetrain motion • Sharpen throttle response • Improve power delivery\u003c\/p\u003e\n\u003c!-- INTRO --\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eMercedes-AMG M157 (5.5L BiTurbo)\u003c\/strong\u003e with our \u003cstrong\u003eBillet \/ Polyurethane Engine Mounts\u003c\/strong\u003e. Designed specifically for the \u003cstrong\u003eW212 E63 AMG\u003c\/strong\u003e and \u003cstrong\u003eW218 CLS63 AMG\u003c\/strong\u003e, these mounts deliver superior engine control, sharper response, and consistent power transfer under load — ideal for tuned or spiritedly driven AMGs.\u003c\/p\u003e\n\u003c!-- KEY BENEFITS --\u003e\n\u003ch2 style=\"color: #0b3b60; margin-top: 18px;\"\u003e⚙️ Key Benefits\u003c\/h2\u003e\n\u003cul style=\"margin-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability \u0026amp; Control:\u003c\/strong\u003e Reduces engine movement and drivetrain lash for sharper throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable by Design:\u003c\/strong\u003e Billet aluminum + high-durometer polyurethane resist heat, oil, and deformation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Torque Transfer:\u003c\/strong\u003e Keeps drivetrain aligned and consistent under boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-Fit Upgrade:\u003c\/strong\u003e Engineered around factory mount geometry for a precise, bolt-in install.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- FITMENT --\u003e\n\u003ch2 style=\"color: #0b3b60; margin-top: 22px;\"\u003e✅ Vehicle Fitment — M157 Only (W212 \/ W218)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin-top: 8px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #0b3b60; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #e5e7eb; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #e5e7eb; text-align: left;\"\u003eEngine\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #e5e7eb; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003eE63 AMG \/ E63 S AMG (W212)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003eM157 5.5L BiTurbo\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003e2012–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003eCLS63 AMG \/ CLS63 S AMG (W218)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003eM157 5.5L BiTurbo\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003e2012–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; color: #64748b; margin-top: 8px;\"\u003e\u003cem\u003eFitment is exclusive to the W212 and W218 M157 platforms only.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- WHAT'S INCLUDED \/ INSTALL --\u003e\n\u003ch2 style=\"color: #0b3b60; margin-top: 22px;\"\u003e📦 What’s Included \u0026amp; Install Notes\u003c\/h2\u003e\n\u003cul style=\"margin-left: 20px;\"\u003e\n\u003cli\u003eLeft + Right \u003cstrong\u003eBillet\/Polyurethane Engine Mounts\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eReuse the \u003cstrong\u003eOEM top cap\u003c\/strong\u003e (pops off with a small screwdriver).\u003c\/li\u003e\n\u003cli\u003eDirect-fit design matches factory geometry for proper drivetrain alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 14px; color: #475569;\"\u003e\u003cem\u003eProfessional installation recommended. Torque all fasteners to factory spec and verify downpipe and steering rack clearance.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #0b3b60; margin-top: 22px;\"\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWill these increase NVH?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eA slight increase in vibration at idle is normal. Under load, most drivers prefer the added precision and elimination of drivetrain slop.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eAre these mounts suitable for tuned or high-boost M157 cars?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. The billet housings and polyurethane inserts are engineered to handle elevated torque and heat typical in tuned W212\/W218 builds.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eDo I need new hardware?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eOEM hardware may be reused if in good condition. Replace any stretched, corroded, or damaged bolts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv style=\"text-align: center; margin-top: 24px;\"\u003e\u003ca href=\"\/collections\/m157-performance-parts\" style=\"display: inline-block; background: #0b3b60; color: #fff; padding: 12px 22px; border-radius: 8px; text-decoration: none; font-weight: bold;\"\u003e 🔧 More M157 Performance Parts \u003c\/a\u003e\u003c\/div\u003e\n\u003c!-- SEO FOOTER LINE --\u003e\n\u003cp style=\"text-align: center; font-size: 13px; color: #64748b; margin-top: 18px;\"\u003ePerformance engine mounts for Mercedes E63 AMG \u0026amp; CLS63 AMG — W212 \/ W218 M157.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45990078939311,"sku":"BU-M157-MNT-BILLET","price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/billet-polyurethane-engine-mounts-mercedes-m157-e63-cls63-benzunited.jpg?v=1785114650"},{"product_id":"2-piece-billet-aluminum-pulley-set-for-mercedes-amg-m157-engines","title":"2 Piece Billet Aluminum Pulley Set for Mercedes E63 CLS63 M157 AMG","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #111; max-width: 850px; margin: auto; line-height: 1.6;\"\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision. Power. Performance.\u003c\/strong\u003e Elevate your AMG to new levels with the \u003cstrong\u003e2 Piece Billet Aluminum Pulley Set\u003c\/strong\u003e, engineered exclusively for the \u003cstrong\u003eM157 5.5L BiTurbo V8\u003c\/strong\u003e. Designed with uncompromising attention to detail, this performance upgrade delivers smoother operation, improved belt traction, and measurable efficiency gains for both street and track-built AMGs.\u003c\/p\u003e\n\u003cdiv style=\"background: #f2f5f8; border-left: 4px solid #002b5b; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003eCrafted from aerospace-grade billet aluminum\u003c\/strong\u003e and finished with a \u003cstrong\u003ehard anodized coating\u003c\/strong\u003e, these pulleys redefine reliability and endurance under the extreme demands of the M157 platform.\u003c\/div\u003e\n\u003ch2 style=\"color: #002b5b;\"\u003e🔧 Key Performance Advantages\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Billet Strength:\u003c\/strong\u003e CNC-machined from high-grade billet aluminum for unmatched rigidity and lightweight precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard Anodized Finish:\u003c\/strong\u003e Corrosion-resistant, heat-resistant, and engineered for long-term durability under intense load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Nachi Bearings:\u003c\/strong\u003e ZZ-rated for silent, ultra-smooth operation and reduced drivetrain friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Balance:\u003c\/strong\u003e Maintains consistent RPM under load, improving response and extending belt life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Bolt-On Fit:\u003c\/strong\u003e No modification needed — OEM-perfect alignment for simple, reliable installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Precision-engineered and quality-tested for Mercedes-Benz AMG performance applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #002b5b;\"\u003e🚘 Vehicle Compatibility — M157 Only\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-Benz E63 AMG \/ E63 S AMG (2012-2016)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLS63 AMG \/ CLS63 S AMG (2012-2018)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S63 AMG (2011-2017)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL63 AMG (2011-2014)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz GL63 AMG (2013-2015)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz ML63 AMG (2012-2015)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz GLE63 AMG (2016-2019)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL63 AMG (2013-2018)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz G63 AMG (2013-2018)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #002b5b;\"\u003e🔥 Performance \u0026amp; Reliability\u003c\/h2\u003e\n\u003cp\u003eUnlike conventional pulleys, this \u003cstrong\u003e2-piece system\u003c\/strong\u003e reduces rotating mass while increasing stability under boost. The result? Faster revs, cleaner belt tracking, and more consistent performance when the turbos are pushing their hardest.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eNachi high-speed bearings\u003c\/strong\u003e ensure whisper-quiet operation and reduced parasitic drag, while the precision balancing eliminates vibration — even at redline. The hard anodized finish resists heat cycling from the M157’s extreme operating environment, ensuring long-lasting performance and appearance.\u003c\/p\u003e\n\u003ch2 style=\"color: #002b5b;\"\u003e🛠️ Installation Made Simple\u003c\/h2\u003e\n\u003cp\u003eThis pulley set aligns directly with OEM brackets and belts for a hassle-free install. Whether you're upgrading at home or in a performance shop, the \u003cstrong\u003e2 Piece Billet Pulley Set\u003c\/strong\u003e installs in under an hour and immediately sharpens throttle response and drivetrain smoothness.\u003c\/p\u003e\n\u003cdiv style=\"background: #eef3f7; border: 1px solid #c9d8e8; padding: 18px; margin: 25px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"color: #002b5b; margin-top: 0;\"\u003e🏁 Why Choose BenzUnited Performance?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt exclusively for AMG high-performance platforms\u003c\/li\u003e\n\u003cli\u003eDeveloped and tested by real AMG tuning specialists\u003c\/li\u003e\n\u003cli\u003eDesigned for precision, durability, and long-term reliability\u003c\/li\u003e\n\u003cli\u003eEvery pulley is inspected, balanced, and finished in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #002b5b;\"\u003e📊 Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC-Machined Billet Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard Anodized (Matte Black or Silver)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e ZZ-Rated Nachi High-Speed Bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e M157 5.5L BiTurbo Only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #002b5b;\"\u003e💥 The AMG Advantage\u003c\/h2\u003e\n\u003cp\u003eEvery M157 AMG deserves hardware built to match its performance potential. The \u003cstrong\u003eBenzUnited 2 Piece Pulley Set\u003c\/strong\u003e delivers precision fitment, consistent operation, and a tangible improvement in response and smoothness. Street or track — this upgrade delivers power you can feel.\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 30px;\"\u003e\u003ca href=\"#add-to-cart\" style=\"background: #002b5b; color: #fff; padding: 14px 22px; border-radius: 6px; text-decoration: none; font-weight: bold; font-size: 16px; display: inline-block;\"\u003e ⚙️ Upgrade Your AMG – Order the M157 Pulley Set Now \u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45990081265839,"sku":"BU-M157-PUL-2PC","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m157-billet-pulley-set-cnc-performance-upgrade.jpg?v=1785115092"},{"product_id":"6-rib-mini-idler-pulley-m156-amg-cnc-billet-performance-upgrade","title":"6 Rib Mini Idler Pulley – M156 AMG CNC Billet Performance Upgrade","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 850px; margin: auto; padding: 20px; background-color: #f9f9f9; border: 1px solid #ddd; color: #333;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7;\"\u003eThe \u003cstrong\u003e6 Rib Mini Idler Pulley for M156 AMG engines\u003c\/strong\u003e is a precision upgrade designed to improve accessory drive reliability and performance on Mercedes-Benz AMG vehicles. Built by ASP, this billet pulley delivers smoother operation, reduced bearing noise, and greater durability under high-RPM conditions.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #003366;\"\u003e⚙️ Key Features:\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.7;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Billet Aluminum Construction:\u003c\/strong\u003e Machined from premium-grade aluminum for superior strength, precision fit, and reduced rotating mass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed ZZ Nachi Bearings:\u003c\/strong\u003e Premium bearings engineered for smooth, quiet operation and extended service life under demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Belt Drive Efficiency:\u003c\/strong\u003e Better belt wrap and tension stability help reduce belt wear and slippage during aggressive driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Direct-fit design for M156 AMG engines — no modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured by \u003cstrong\u003eASP\u003c\/strong\u003e, a trusted name in high-performance AMG components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #003366;\"\u003e🚗 Vehicle Compatibility:\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0; font-size: 15px; background-color: #ffffff; border: 1px solid #ccc;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #003366; color: #ffffff;\"\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ccc;\"\u003eModel\u003c\/th\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ccc;\"\u003eChassis\u003c\/th\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ccc;\"\u003eYears\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eC63 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eW204\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2008 – 2015\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f8f8f8;\"\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eE63 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eW211\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2006 – 2009\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eCLS63 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eC219\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2006 – 2010\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f8f8f8;\"\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eCL63 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eC216\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2007 – 2010\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eS63 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eW221\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2006 – 2010\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f8f8f8;\"\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eCLK63 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eC209\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2006 – 2009\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 14px; color: #555; margin-top: 5px;\"\u003eFits M156 6.2L V8 engines. Always verify your specific model year and engine code before ordering.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #003366;\"\u003e💡 Why Upgrade to the 6 Rib Mini Idler Pulley?\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7;\"\u003eIn our experience with M156 platforms, the factory idler pulleys are a common source of bearing noise and premature wear, especially under track use or extended high-RPM driving. This ASP mini idler pulley addresses those issues with a stronger billet construction and high-quality Nachi bearings.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7;\"\u003eThe smaller diameter design improves belt wrap and tension stability while reducing rotating mass. The result is quieter operation, better long-term reliability, and reduced risk of belt slippage during hard driving.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #eef3f8; border-left: 4px solid #003366; padding: 16px; margin-top: 20px;\"\u003e\n\u003cstrong\u003eReady to improve the reliability of your M156 accessory drive?\u003c\/strong\u003e\u003cbr\u003e\nUpgrade to the ASP 6 Rib Mini Idler Pulley today and give your AMG the stronger, quieter belt system it deserves.\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45992151285935,"sku":"BU-M156-IDL-6RIB","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/6-rib-mini-idler-pulley-m156-amg-cnc-billet-performance.jpg?v=1785115704"},{"product_id":"63-amg-5-piece-idler-pulley-set-billet-upgrade-for-m157-engines","title":"5-Piece Mercedes M157 Idler Pulley Set – Billet Upgrade E63 CLS63 S63","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 900px; margin: auto; line-height: 1.65; color: #222; font-size: 16px;\"\u003e\n\u003c!-- Lead --\u003e\n\u003cp\u003eGive your \u003cstrong\u003eM157 5.5L BiTurbo\u003c\/strong\u003e the belt drive it deserves. This \u003cstrong\u003e63 AMG 5-Piece Idler Pulley Set – Billet Upgrade for M157 V8 Bi-Turbo\u003c\/strong\u003e replaces aging factory plastic or stamped pulleys with a complete set of \u003cstrong\u003eCNC-machined billet aluminum idlers\u003c\/strong\u003e, built to handle tuned power levels, heat, and long-term use.\u003c\/p\u003e\n\u003c!-- Why It Matters --\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eThe OEM idler pulleys on the \u003cstrong\u003eM157 AMG V8\u003c\/strong\u003e are known to wear, crack, or fail over time—especially on tuned cars. Factory units can cause \u003cstrong\u003ebelt slip, squeal, inconsistent boost, and in severe cases full belt failure\u003c\/strong\u003e that can take out accessories or leave you stranded. This billet set solves that problem with stronger materials, better bearings, and smoother rotation designed for real AMG use.\u003c\/p\u003e\n\u003c!-- Key Features --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e🔧 Key Features – Billet Idler Pulley Set for M157\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined billet aluminum:\u003c\/strong\u003e Replaces weak plastic or stamped pulleys with rigid, high-strength aluminum built for heat and boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard-anodized finish:\u003c\/strong\u003e Corrosion-resistant, wear-resistant coating for long service life in harsh engine bay conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZZ-rated Nachi high-speed bearings:\u003c\/strong\u003e Premium bearings for smooth, quiet operation and excellent longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete 5-piece coverage:\u003c\/strong\u003e Includes all five main idler locations to refresh the entire M157 belt path in one kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM replacement:\u003c\/strong\u003e No modifications required—bolts in place of the factory pulleys using OEM-style locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved belt tracking:\u003c\/strong\u003e Helps maintain consistent accessory drive and stable boost on tuned or hard-driven AMGs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA by ASP Performance:\u003c\/strong\u003e Manufactured to motorsport-grade standards for serious M157 builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Performance \u0026 Reliability Benefits --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📈 Performance \u0026amp; Reliability Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces belt slip and noise\u003c\/strong\u003e caused by worn or failing factory pulleys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports consistent boost\u003c\/strong\u003e by keeping belt tension and routing stable under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects against failure\u003c\/strong\u003e that can damage accessories or leave you stranded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for tuned M157 engines\u003c\/strong\u003e running higher boost, upgraded cooling, or track use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- What's Included --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📦 What’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(5) CNC billet aluminum idler pulleys (complete M157 set)\u003c\/li\u003e\n\u003cli\u003ePre-installed ZZ-rated Nachi performance bearings\u003c\/li\u003e\n\u003cli\u003eOEM-spec hardware as required for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Compatibility Table --\u003e\n\u003ch3 style=\"margin-top: 22px;\"\u003e✔️ Compatibility – M157 5.5L BiTurbo AMG\u003c\/h3\u003e\n\u003cp\u003eDirect bolt-on fit for Mercedes-Benz models equipped with the \u003cstrong\u003eM157 AMG V8 BiTurbo\u003c\/strong\u003e:\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 10px 0 14px; font-size: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eYears (Approx.)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW212\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eE 63 AMG \/ E 63 S AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW218\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCLS 63 AMG \/ CLS 63 S AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW221 \/ W222 (early)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eS 63 AMG (M157-equipped)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2011–2017*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eR231\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSL 63 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2013–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW166\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eML 63 AMG \/ GLE 63 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eX166\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eGL 63 AMG \/ GLS 63 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2013–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW463\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eG 63 AMG (M157 models)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2013–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin: 0 0 12px;\"\u003e*Fitment years may vary slightly by market and facelift. If you’re unsure whether your S 63, SL 63, or SUV\/coupe 63 AMG uses the M157, send us your \u003cstrong\u003eVIN\u003c\/strong\u003e and we’ll confirm compatibility before you order.\u003c\/p\u003e\n\u003c!-- Recommended Mods --\u003e\n\u003cdiv style=\"margin-top: 20px; padding: 14px 16px; border-radius: 8px; border: 1px solid #eee; background: #f7f7f7;\"\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003e\u003cstrong\u003eRecommended supporting upgrades for M157 builds:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 4px 18px;\"\u003e\n\u003cli\u003e\u003ca style=\"color: #000; font-weight: bold; text-decoration: none;\" href=\"\/products\/m157-intake-filter-spacer-kit\"\u003e M157 Intake Filter Spacer Kit \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color: #000; font-weight: bold; text-decoration: none;\" href=\"\/products\/custom-ecu-tuning-m157-5-5-biturbo\"\u003e Custom ECU Tuning for M157 5.5L BiTurbo \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color: #000; font-weight: bold; text-decoration: none;\" href=\"\/products\/m157-turbo-blankets\"\u003e M157 Turbo Blankets \u0026amp; Heat Management Upgrades \u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Installation --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e🧰 Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on replacement for OEM idler pulleys.\u003c\/li\u003e\n\u003cli\u003eTypical install time: ~1–2 hours with basic hand tools.\u003c\/li\u003e\n\u003cli\u003eNo tuning required.\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and most aftermarket belt configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Trust Section --\u003e\n\u003ch3 style=\"margin-top: 26px;\"\u003e🏁 Designed, Tested \u0026amp; Approved for AMG Use\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eWe’ve spent over \u003cstrong\u003e12 years\u003c\/strong\u003e building, tuning, and daily-driving AMG platforms—including multiple M157-powered E 63, CLS 63, and SUV 63 builds. Partnering with \u003cstrong\u003eASP Performance\u003c\/strong\u003e allows us to offer a pulley solution that matches the way these cars are really used: high heat, high load, and high expectations. If you’re serious about long-term reliability and clean power delivery, billet idlers are one of the smartest upgrades you can make to an M157.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45992184348847,"sku":"BU-M157-IDL-SET5","price":540.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/5-piece-idler-pulley-set-m157-billet-upgrade.jpg?v=1785115262"},{"product_id":"billet-polyurethane-engine-mounts-m113-m113k-amg-performance-upgrade","title":"Billet \/ Polyurethane Engine Mounts – M113 M113K AMG Performance Upgrade","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 850px; margin: auto; padding: 20px; background-color: #f9f9f9; border: 1px solid #ddd; color: #333;\"\u003e\n\u003ch2 style=\"color: #003366; text-align: center;\"\u003eEnhanced Engine Stability \u0026amp; Power Transfer\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7;\"\u003eUpgrade your AMG’s performance with the \u003cstrong\u003eBillet \/ Polyurethane Engine Mounts\u003c\/strong\u003e for \u003cstrong\u003eM113 and M113K engines\u003c\/strong\u003e. Designed for high-performance applications, these mounts improve throttle response, reduce engine movement, and increase power transfer — giving your AMG sharper handling and more consistent acceleration.\u003c\/p\u003e\n\u003ch3 style=\"color: #003366;\"\u003e⚙️ Key Features:\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.7;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Serviceable Design:\u003c\/strong\u003e Rebuildable polyurethane inserts for long-term use and easy maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Polyurethane Hardness:\u003c\/strong\u003e 40A durometer blend provides an ideal balance between comfort and rigidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Profile by 10mm:\u003c\/strong\u003e Reduces engine movement while improving drivetrain alignment and stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet Aluminum Construction:\u003c\/strong\u003e CNC-machined for strength, precision, and durability under extreme loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Engineered and assembled to the highest standards of quality and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold as a Pair:\u003c\/strong\u003e Includes both left and right mounts for complete replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #003366;\"\u003e🚗 Vehicle Compatibility:\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.7;\"\u003e\n\u003cli\u003eMercedes-Benz E55 AMG (W211)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL55 AMG (R230)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S55 AMG (W220)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL55 AMG (C215)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLK55 AMG (C209)\u003c\/li\u003e\n\u003cli\u003eOther models equipped with M113 or M113K engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #003366;\"\u003e💡 Performance Benefits:\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7;\"\u003eFactory rubber mounts degrade over time, allowing unwanted engine movement and power loss. These billet polyurethane mounts provide superior rigidity and stability — ensuring more of your engine’s power reaches the wheels, while maintaining reasonable comfort for daily driving.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #eef3f8; border-left: 4px solid #003366; padding: 16px; margin-top: 20px;\"\u003e\n\u003cstrong\u003eExperience the difference.\u003c\/strong\u003e Increase your AMG’s response, balance, and performance with \u003cem\u003eBillet \/ Polyurethane Engine Mounts\u003c\/em\u003e for M113 and M113K engines.\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-top: 25px;\"\u003e\u003ca style=\"background-color: #004aad; color: #fff; padding: 12px 22px; border-radius: 6px; text-decoration: none; font-size: 16px; font-weight: bold;\" href=\"https:\/\/benzunitedparts.com\/products\/billet-polyurethane-engine-mounts-m113-m113k\"\u003e Shop Billet Engine Mounts for M113 \/ M113K AMG \u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45992247591087,"sku":"BU-M113K-MNT-BILLET","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m113-m113k-billet-polyurethane-engine-mounts-pair-angle.jpg?v=1761006033"},{"product_id":"5-piece-idler-pulley-set-billet-upgrade-for-m278-v8-bi-turbo","title":"5-Piece Idler Pulley Set – Billet Upgrade for M278 V8 Bi-Turbo","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 900px; margin: auto; line-height: 1.65; color: #222; font-size: 16px;\"\u003e\n\u003c!-- Lead --\u003e\n\u003cp\u003eRestore and upgrade the belt system on your \u003cstrong\u003eM278 4.7L BiTurbo V8\u003c\/strong\u003e with this complete \u003cstrong\u003e5-Piece Billet Aluminum Idler Pulley Set\u003c\/strong\u003e. The factory plastic and aging stamped-steel pulleys on the E 550, CLS 550, S 550, SL 550, and other M278-equipped models are prone to wear, noise, and failure—especially as mileage rises or when the engine is tuned. This kit replaces them with \u003cstrong\u003eCNC-machined billet pulleys\u003c\/strong\u003e engineered for reliability, smooth operation, and long-term durability.\u003c\/p\u003e\n\u003c!-- Why It Matters --\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eThe OEM idler pulleys on the \u003cstrong\u003eM278 4.7L V8 BiTurbo\u003c\/strong\u003e develop play, bearing noise, belt slip, and wobble over time. On a twin-turbo V8, even minor belt irregularities can cause \u003cstrong\u003eboost inconsistencies, charging issues, accessory failures, or catastrophic belt breakage\u003c\/strong\u003e. Upgrading to billet aluminum eliminates these weak points and stabilizes the engine’s entire accessory drive system.\u003c\/p\u003e\n\u003c!-- Key Features --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e🔧 Key Features – Billet Idler Pulley Set for M278\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined 6061-T6 billet aluminum:\u003c\/strong\u003e Significantly stronger than OEM plastic or steel pulleys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard-anodized surface:\u003c\/strong\u003e Provides corrosion resistance and long-term bearing stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium high-speed bearings:\u003c\/strong\u003e Quiet, smooth rotation with improved temperature tolerance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 5-piece belt path refresh:\u003c\/strong\u003e Replaces all major M278 idlers for a complete system overhaul.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect bolt-on installation:\u003c\/strong\u003e Fits in place of factory pulleys with no modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves belt tracking:\u003c\/strong\u003e Reduces slip at higher loads and improves boost consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Precision-manufactured to motorsport-grade tolerances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Performance \u0026 Reliability Benefits --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📈 Performance \u0026amp; Reliability Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates OEM pulley failure points\u003c\/strong\u003e that become common past 60k–100k miles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces belt noise, squeal, and vibration\u003c\/strong\u003e for smoother accessory operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports tuned M278 engines\u003c\/strong\u003e running increased boost or upgraded coolers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStabilizes boost control\u003c\/strong\u003e by preventing belt slip under acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtends belt life\u003c\/strong\u003e by using precise billet alignment and higher-quality bearings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- What's Included --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📦 What’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(5) CNC-machined billet aluminum idler pulleys (complete M278 set)\u003c\/li\u003e\n\u003cli\u003ePre-installed high-speed performance bearings\u003c\/li\u003e\n\u003cli\u003eOEM-spec mounting hardware (as required)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Compatibility Table --\u003e\n\u003ch3 style=\"margin-top: 22px;\"\u003e✔️ Compatibility – M278 4.7L V8 BiTurbo\u003c\/h3\u003e\n\u003cp\u003eFits the following Mercedes-Benz models equipped with the \u003cstrong\u003eM278 4.7L BiTurbo V8\u003c\/strong\u003e:\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 10px 0 14px; font-size: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eYears (Approx.)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW212\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eE 550\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW218\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCLS 550\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW221 \/ W222\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eS 550\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2011–2017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eR231\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSL 550\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2013–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eX166\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eGL 550 \/ GLS 550\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2013–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW166\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eML 550 \/ GLE 550\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin: 0 0 12px;\"\u003e*Some markets vary. If you’re unsure whether your Mercedes uses the M278 engine, send us your \u003cstrong\u003eVIN\u003c\/strong\u003e and we’ll confirm fitment before shipping.\u003c\/p\u003e\n\u003c!-- Recommended Mods --\u003e\n\u003cdiv style=\"margin-top: 20px; padding: 14px 16px; border-radius: 8px; border: 1px solid #eee; background: #f7f7f7;\"\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003e\u003cstrong\u003eRecommended supporting upgrades for the M278 4.7L BiTurbo:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 4px 18px;\"\u003e\n\u003cli\u003e\u003ca href=\"\/products\/m278-aluminum-intake-tubes\" style=\"color: #000; font-weight: bold; text-decoration: none;\"\u003e M278 Aluminum Intake Tubes \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/m278-intake-filter-spacer-kit\" style=\"color: #000; font-weight: bold; text-decoration: none;\"\u003e M278 Intake Filter Spacer Kit \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/custom-ecu-tuning-m278-4-7-biturbo\" style=\"color: #000; font-weight: bold; text-decoration: none;\"\u003e Custom ECU Tuning for M278 4.7L BiTurbo \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/m278-turbo-blankets\" style=\"color: #000; font-weight: bold; text-decoration: none;\"\u003e M278 Turbo Blankets \u0026amp; Heat Management \u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Installation --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e🧰 Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on replacement for all M278 idler pulley locations.\u003c\/li\u003e\n\u003cli\u003eTypical install time: 1–2 hours.\u003c\/li\u003e\n\u003cli\u003eNo tuning or reprogramming required.\u003c\/li\u003e\n\u003cli\u003eWorks with OEM and upgraded belt configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Trust Section --\u003e\n\u003ch3 style=\"margin-top: 26px;\"\u003e🏁 Designed, Tested \u0026amp; Proven on M278 Platforms\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eWith over \u003cstrong\u003e12 years\u003c\/strong\u003e of hands-on experience tuning and daily-driving Mercedes-Benz V8 BiTurbo engines, we know exactly where the M278 benefits from stronger hardware. This pulley set is built to meet the demands of real-world heat, boost, and mileage—offering a durable solution that improves reliability and performance across all 4.7L BiTurbo platforms.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46285619953839,"sku":"BU-M278-IDL-SET5","price":540.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/5-piece-idler-pulley-set-m278-billet-upgrade.jpg?v=1763435434"},{"product_id":"m278-2-piece-billet-aluminum-pulley-set-for-mercedes-e550-cls550","title":"M278 2-Piece Billet Aluminum Pulley Set – E550 \/ CLS550 \/ S550","description":"\u003cdiv style=\"max-width: 920px; margin: 0 auto; font-family: Arial, Helvetica, sans-serif; line-height: 1.65; color: #222; font-size: 16px; background: #fff;\"\u003e\n\u003cp style=\"text-align: center; background: #f8f8f8; padding: 14px; border-radius: 8px; font-size: 17px;\"\u003e\u003cstrong\u003ePrecision billet upgrade\u003c\/strong\u003e that reduces belt slip, eliminates noise, and gives smoother, sharper response on every tuned or hard-driven M278.\u003c\/p\u003e\n\u003chr style=\"border: none; height: 2px; background: linear-gradient(to right, #eee, #d32f2f, #eee); margin: 25px 0;\"\u003e\n\u003ch2 style=\"color: #000; text-align: center; font-size: 26px; margin: 25px 0 15px;\"\u003eWhy This Billet Pulley Set Makes a Real Difference on the M278\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 15px; justify-content: center;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 260px; background: #f9f9f9; padding: 16px; border-radius: 8px;\"\u003e\n\u003cstrong\u003e✅ Aerospace Billet Aluminum + Hard Anodized\u003c\/strong\u003e\u003cbr\u003eCNC-machined for zero flex and maximum strength under boost.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 260px; background: #f9f9f9; padding: 16px; border-radius: 8px;\"\u003e\n\u003cstrong\u003e✅ Premium Nachi ZZ Bearings\u003c\/strong\u003e\u003cbr\u003eUltra-quiet, high-speed bearings that eliminate belt chirp and last for years.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 260px; background: #f9f9f9; padding: 16px; border-radius: 8px;\"\u003e\n\u003cstrong\u003e✅ Perfect Bolt-On Fit\u003c\/strong\u003e\u003cbr\u003eDirect replacement using factory brackets — no modifications, installs in under 60 minutes.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin: 28px 0 12px; color: #d32f2f; text-align: center;\"\u003eReal-World Results Owners Report\u003c\/h3\u003e\n\u003cul style=\"font-size: 16.5px; max-width: 680px; margin: 0 auto;\"\u003e\n\u003cli\u003eSmoother revs and noticeably sharper throttle response\u003c\/li\u003e\n\u003cli\u003eEliminated belt squeal and improved belt tracking under load\u003c\/li\u003e\n\u003cli\u003eBetter consistency when the turbos are spooled on tuned cars\u003c\/li\u003e\n\u003cli\u003eZero vibration even at redline • Made in USA quality you can feel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-size: 15px; font-style: italic; margin: 20px 0;\"\u003e“The difference in smoothness and belt noise is night and day on my tuned E550. These pulleys are the first thing I recommend after downpipes.” – Alex R., 2015 CLS550 • 512 whp\u003c\/p\u003e\n\u003ch3 style=\"margin-top: 30px; text-align: center;\"\u003eWhat You Get (Complete 2-Piece Kit)\u003c\/h3\u003e\n\u003cul style=\"text-align: center; list-style: none; padding: 0; font-size: 17px;\"\u003e\n\u003cli\u003e✔ 2 × Precision CNC Billet Aluminum Pulleys (hard anodized)\u003c\/li\u003e\n\u003cli\u003e✔ High-Speed Nachi ZZ Bearings pre-installed\u003c\/li\u003e\n\u003cli\u003e✔ All necessary stainless hardware + install guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top: 28px; color: #000; text-align: center;\"\u003eFits These M278 4.7L BiTurbo Models\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; background: #f9f9f9;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #222; color: #fff;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eE 550 • CLS 550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eW212 \/ C218\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2012–2016 \/ 2012–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003eS 550 • CL 550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eW221 • W222 • C216\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2011–2017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eSL 550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eR231\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2013–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003eGL \/ GLS 550 • ML \/ GLE 550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eX166 • W166\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2012–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; text-align: center; color: #666; margin: 8px 0 0;\"\u003e✅ Confirmed for all M278 4.7L BiTurbo engines • Message if unsure\u003c\/p\u003e\n\u003ch3 style=\"margin: 34px 0 14px; text-align: center;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eDo I need a tune for these?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eNo. These are a direct replacement for the factory pulleys — no ECU changes required. They're a supporting\/reliability upgrade rather than a standalone power adder.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eWill this fix my belt squeal?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eThat's one of the main reasons people buy them. The high-speed Nachi ZZ bearings and zero-flex billet construction address belt chirp and poor belt tracking under load — common complaints on higher-mileage or tuned M278s.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eHow long does the install take?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eUnder 60 minutes. It bolts on using the factory brackets — no cutting or modification, and all necessary stainless hardware plus an install guide are included.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eHow do I confirm it fits my car?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eConfirm your car has the M278 4.7L biturbo V8 — the engine code decides fitment, not the badge. Covered chassis are listed in the table above. If you're unsure, message us your year, model, and VIN and we'll confirm before you order.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eWhat's in the kit?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eTwo CNC billet aluminum pulleys (hard anodized) with the Nachi ZZ bearings already pressed in, plus all required stainless hardware and an install guide.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdiv style=\"text-align: center; margin: 32px 0 20px;\"\u003e\n\u003cp style=\"font-size: 17px;\"\u003e\u003cstrong\u003eInstall in under 60 minutes • Bolt-on using factory brackets • No cutting or mods\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; margin-top: 25px; font-size: 13px; color: #777;\"\u003eBenzUnited Parts • Mercedes Performance Specialist • Ships from USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46294269001903,"sku":"BU-M278-PUL-2PC","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m278-billet-pulley-set-cnc-performance-upgrade.jpg?v=1763530311"},{"product_id":"m278-billet-polyurethane-engine-mounts-e550-cls550","title":"M278 Billet Polyurethane Engine Mounts – E550 \/ CLS550","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 880px; margin: auto; padding: 22px; border: 1px solid #e5e7eb; background: #fafafa; color: #1a1a1a; line-height: 1.7; border-radius: 10px;\"\u003e\n\u003c!-- TITLE \/ HOOK --\u003e\n\u003ch1 style=\"text-align: center; font-size: 26px; margin: 0 0 8px; color: #0b3b60;\"\u003eBillet \/ Polyurethane Engine Mounts for Mercedes M278 (W212 \/ W218)\u003c\/h1\u003e\n\u003cp style=\"text-align: center; margin: 0 0 18px; color: #475569;\"\u003eReduce drivetrain motion • Sharpen throttle response • Improve power delivery\u003c\/p\u003e\n\u003c!-- INTRO --\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eMercedes-Benz M278 4.7L BiTurbo\u003c\/strong\u003e with our \u003cstrong\u003eBillet \/ Polyurethane Engine Mounts\u003c\/strong\u003e. Designed specifically for the \u003cstrong\u003eW212 E 550\u003c\/strong\u003e and \u003cstrong\u003eW218 CLS 550\u003c\/strong\u003e, these mounts deliver superior engine control, sharper response, and consistent power transfer under load — ideal for tuned or spiritedly driven 550 builds.\u003c\/p\u003e\n\u003cp\u003eFactory fluid-filled mounts on M278 cars \u003cstrong\u003esag, leak, and collapse with age\u003c\/strong\u003e, especially on tuned cars or those driven hard. The result is excess engine movement, sloppy shifts, and vibration under throttle. These billet\/poly mounts eliminate that failure point with a rigid housing and high-durometer insert that keep everything locked in place.\u003c\/p\u003e\n\u003c!-- KEY BENEFITS --\u003e\n\u003ch2 style=\"color: #0b3b60; margin-top: 18px;\"\u003e⚙️ Key Benefits\u003c\/h2\u003e\n\u003cul style=\"margin-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability \u0026amp; Control:\u003c\/strong\u003e Reduces engine movement and drivetrain lash for sharper throttle response and cleaner shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable by Design:\u003c\/strong\u003e Billet aluminum housings and high-durometer polyurethane resist heat, oil, and deformation far better than OEM fluid-filled mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Torque Transfer:\u003c\/strong\u003e Keeps the drivetrain aligned under boost so more of the M278’s torque reaches the rear wheels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Geometry:\u003c\/strong\u003e Prevents the front end from “sagging” as mounts age, helping maintain proper driveline and exhaust alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-Fit Upgrade:\u003c\/strong\u003e Engineered around factory mount geometry for a precise, bolt-in installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- FITMENT --\u003e\n\u003ch2 style=\"color: #0b3b60; margin-top: 22px;\"\u003e✅ Vehicle Fitment — M278 (W212 \/ W218)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin-top: 8px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #0b3b60; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #e5e7eb; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #e5e7eb; text-align: left;\"\u003eEngine\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #e5e7eb; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003eE 550 (W212)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003eM278 4.7L BiTurbo\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003e2012–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003eCLS 550 (W218)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003eM278 4.7L BiTurbo\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e5e7eb;\"\u003e2012–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; color: #64748b; margin-top: 8px;\"\u003e\u003cem\u003eFitment is exclusive to the W212 and W218 M278 platforms. Contact us with your VIN if you’re unsure.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- WHAT'S INCLUDED \/ INSTALL --\u003e\n\u003ch2 style=\"color: #0b3b60; margin-top: 22px;\"\u003e📦 What’s Included \u0026amp; Install Notes\u003c\/h2\u003e\n\u003cul style=\"margin-left: 20px;\"\u003e\n\u003cli\u003eLeft + Right \u003cstrong\u003eBillet \/ Polyurethane Engine Mounts\u003c\/strong\u003e for M278 W212\/W218.\u003c\/li\u003e\n\u003cli\u003eReuse the \u003cstrong\u003eOEM top cap\u003c\/strong\u003e (pops off the factory mount with a small screwdriver).\u003c\/li\u003e\n\u003cli\u003eDirect-fit design matches factory geometry for proper drivetrain and exhaust alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 14px; color: #475569;\"\u003e\u003cem\u003eProfessional installation recommended. Torque all fasteners to factory specification and verify downpipe, subframe, and steering rack clearance after installation.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #0b3b60; margin-top: 22px;\"\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWill these increase NVH?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp style=\"margin-top: 6px;\"\u003eCompared to soft OEM fluid-filled mounts, you may notice a slight increase in vibration at idle or low RPM. Under load, most drivers prefer the added precision, improved drivetrain feel, and reduction in “slop” when getting on and off throttle.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eAre these mounts suitable for tuned or high-boost M278 cars?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp style=\"margin-top: 6px;\"\u003eYes. The billet housings and high-durometer polyurethane inserts are designed to handle the elevated torque, heat, and repeated load cycles typical of tuned W212\/W218 M278 builds.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eDo I need new hardware?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp style=\"margin-top: 6px;\"\u003eOEM hardware may be reused if it’s in good condition. Replace any stretched, corroded, or damaged bolts and always follow factory torque and angle specs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv style=\"text-align: center; margin-top: 24px;\"\u003e\u003ca href=\"\/collections\/m278\" style=\"display: inline-block; background: #0b3b60; color: #fff; padding: 12px 22px; border-radius: 8px; text-decoration: none; font-weight: bold;\"\u003e 🔧 Shop M278 Performance Parts \u003c\/a\u003e\u003c\/div\u003e\n\u003c!-- SEO FOOTER LINE --\u003e\n\u003cp style=\"text-align: center; font-size: 13px; color: #64748b; margin-top: 18px;\"\u003ePerformance engine mounts for Mercedes E 550 \u0026amp; CLS 550 — W212 \/ W218 M278 4.7L BiTurbo.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46294562242735,"sku":"BU-M278-MNT-BILLET","price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/billet-polyurethane-engine-mounts-mercedes-m278-e550-cls550-benzunited.jpg?v=1763534145"},{"product_id":"55k-amg-3-piece-idler-pulley-set-for-mercedes-e55-s55-sl55-cl55-cls55-g55-m113k","title":"55K AMG 3-Piece Idler Pulley Set for Mercedes E55, S55, SL55, CL55, CLS55, G55 (M113K)","description":"\u003cdiv class=\"rte\" style=\"max-width: 980px; margin: 0 auto;\"\u003e\n\n\u003cdiv style=\"border-radius:16px; padding:24px; background:linear-gradient(135deg,#0b0b0b,#1f1f1f); color:#fff;\"\u003e\n  \u003cp style=\"margin:0 0 8px 0; font-weight:700; letter-spacing:.4px; color:#d4af37;\"\u003e\n    M113K Kompressor • Reliability Upgrade\n  \u003c\/p\u003e\n  \u003ch2 style=\"margin:0; font-size:30px; line-height:1.15; font-weight:900;\"\u003e\n    55K AMG 3-Piece Idler Pulley Set for Mercedes M113K (E55 \/ SL55 \/ S55 \/ CL55 \/ CLS55 \/ G55)\n  \u003c\/h2\u003e\n  \u003cp style=\"margin:12px 0 0 0; font-size:16px; color:#d1d5db;\"\u003e\n    Replace failure-prone factory plastic pulleys with a billet aluminium pulley set built for supercharged load.\n    Smooth, quiet operation with high-speed bearings — ideal for stock cars and pulley-upgraded setups.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin-top:16px;\"\u003e\n  \u003cdiv style=\"flex:1; min-width:220px; background:#fff; border:1px solid #eee; border-radius:14px; padding:14px;\"\u003e\n    \u003cstrong\u003eBillet Aluminium\u003c\/strong\u003e\u003cbr\u003e\n    \u003cspan style=\"color:#6b7280;\"\u003eStronger than OEM plastic pulleys\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1; min-width:220px; background:#fff; border:1px solid #eee; border-radius:14px; padding:14px;\"\u003e\n    \u003cstrong\u003eHigh-Speed Bearings\u003c\/strong\u003e\u003cbr\u003e\n    \u003cspan style=\"color:#6b7280;\"\u003eZZ-rated Nachi bearings for durability\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1; min-width:220px; background:#fff; border:1px solid #eee; border-radius:14px; padding:14px;\"\u003e\n    \u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003cbr\u003e\n    \u003cspan style=\"color:#6b7280;\"\u003eBuilt to a higher standard\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:16px; background:#fff; border:1px solid #eee; border-radius:16px; padding:20px;\"\u003e\n  \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; font-weight:900;\"\u003eWhy M113K Owners Replace the Factory Pulleys\u003c\/h2\u003e\n  \u003cp style=\"margin:0; color:#333;\"\u003e\n    The \u003cstrong\u003eM113K Kompressor\u003c\/strong\u003e is legendary — but the factory idler pulleys are not. OEM pulleys are commonly\n    \u003cstrong\u003eplastic\u003c\/strong\u003e and can crack, wobble, or seize over time. That failure can cause belt slip, belt shredding,\n    and unwanted stress on the belt drive system.\n  \u003c\/p\u003e\n  \u003cdiv style=\"background:#f5faff;border:1px solid #d9ebff;border-radius:10px;padding:14px 16px;margin:16px 0;\"\u003e\n    \u003cstrong\u003eMost common symptoms:\u003c\/strong\u003e\n    \u003cul style=\"margin:10px 0 0 0; padding-left:18px; line-height:1.8;\"\u003e\n      \u003cli\u003eBelt squeal or chirping at idle\u003c\/li\u003e\n      \u003cli\u003eWobbling idler pulley or rough bearing noise\u003c\/li\u003e\n      \u003cli\u003eBelt dust around the front of the engine\u003c\/li\u003e\n      \u003cli\u003eIntermittent belt slip on hard pulls\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n  \u003cp style=\"margin:0; color:#333;\"\u003e\n    This kit replaces the factory double-idler assembly and the tensioner pulley with \u003cstrong\u003ebillet aluminium\u003c\/strong\u003e\n    components designed for long-term reliability.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:16px; background:#fafafa; border:1px solid #eee; border-radius:16px; padding:20px;\"\u003e\n  \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; font-weight:900;\"\u003eWhat's Included\u003c\/h2\u003e\n  \u003cul style=\"margin:0; padding-left:18px; line-height:1.8;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3-piece pulley set\u003c\/strong\u003e (idler pulleys + tensioner pulley replacement)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCNC-machined billet aluminium\u003c\/strong\u003e construction\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eZZ-rated high-speed Nachi bearings\u003c\/strong\u003e for smooth, quiet operation\u003c\/li\u003e\n    \u003cli\u003eDesigned as a \u003cstrong\u003edirect-fit\u003c\/strong\u003e replacement for M113K belt drive pulleys\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:16px; background:#fff; border:1px solid #eee; border-radius:16px; padding:20px;\"\u003e\n  \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; font-weight:900;\"\u003eBenefits (Stock or Modified)\u003c\/h2\u003e\n  \u003cul style=\"margin:0; padding-left:18px; line-height:1.8;\"\u003e\n    \u003cli\u003eEliminates a common M113K failure point\u003c\/li\u003e\n    \u003cli\u003eImproves belt tracking and long-term durability\u003c\/li\u003e\n    \u003cli\u003eQuiet, stable operation under supercharger load\u003c\/li\u003e\n    \u003cli\u003ePerfect companion upgrade for \u003cstrong\u003esupercharger pulley\u003c\/strong\u003e or \u003cstrong\u003ecrank pulley\u003c\/strong\u003e setups\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"margin-top:10px; font-size:13px; color:#6b7280;\"\u003e\n    Note: This is a reliability upgrade. Power gains come from pulley and tune changes — this kit supports those mods safely.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:16px; background:#fff; border:1px solid #eee; border-radius:16px; padding:20px;\"\u003e\n  \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; font-weight:900;\"\u003eFitment (M113K Kompressor)\u003c\/h2\u003e\n  \u003cp style=\"margin:0; color:#333;\"\u003e\n    Fits Mercedes-Benz vehicles equipped with the \u003cstrong\u003eM113K supercharged V8\u003c\/strong\u003e, including:\n  \u003c\/p\u003e\n  \u003cul style=\"margin:10px 0 0 0; padding-left:18px; line-height:1.8;\"\u003e\n    \u003cli\u003e\u003cstrong\u003eE55 AMG\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eSL55 AMG\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eS55 AMG\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eCL55 AMG\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eCLS55 AMG\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eG55 AMG\u003c\/strong\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"margin-top:10px; font-size:13px; color:#6b7280;\"\u003e\n    If your car is M113K (Kompressor), this is the correct belt-drive pulley upgrade. If you're unsure, send your VIN.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:16px; background:#fafafa; border:1px solid #eee; border-radius:16px; padding:20px;\"\u003e\n  \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; font-weight:900;\"\u003eInstallation Notes\u003c\/h2\u003e\n  \u003cul style=\"margin:0; padding-left:18px; line-height:1.8;\"\u003e\n    \u003cli\u003eDesigned for a straightforward replacement of the factory pulleys\u003c\/li\u003e\n    \u003cli\u003eInspect belt condition during install and replace if cracked or glazed\u003c\/li\u003e\n    \u003cli\u003eProfessional installation recommended if you're not familiar with belt drive work\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:16px; background:#fff; border:1px solid #eee; border-radius:16px; padding:20px;\"\u003e\n  \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; font-weight:900;\"\u003eFAQ (M113K)\u003c\/h2\u003e\n\n  \u003cdiv style=\"border:1px solid #eee; border-radius:12px; padding:14px 16px; margin:12px 0;\"\u003e\n    \u003cstrong\u003eDo M113K idler pulleys fail often?\u003c\/strong\u003e\n    \u003cp style=\"margin:6px 0 0 0; color:#555;\"\u003e\n      Yes — the factory pulleys are commonly plastic and can crack or develop bearing noise with age, heat cycles, and supercharger load.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"border:1px solid #eee; border-radius:12px; padding:14px 16px; margin:12px 0;\"\u003e\n    \u003cstrong\u003eShould I replace pulleys when upgrading my supercharger or crank pulley?\u003c\/strong\u003e\n    \u003cp style=\"margin:6px 0 0 0; color:#555;\"\u003e\n      Strongly recommended. Increased belt load can accelerate wear in old pulleys. Upgrading to billet pulleys improves reliability.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"border:1px solid #eee; border-radius:12px; padding:14px 16px; margin:12px 0;\"\u003e\n    \u003cstrong\u003eWill this kit add horsepower?\u003c\/strong\u003e\n    \u003cp style=\"margin:6px 0 0 0; color:#555;\"\u003e\n      This is a reliability upgrade. It reduces the risk of belt failure and supports performance mods — horsepower gains come from pulley and tune changes.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:20px; text-align:center;\"\u003e\n  \u003ca href=\"\/pages\/contact\" style=\"display:inline-block; background:#111; color:#fff; padding:14px 26px; border-radius:12px; text-decoration:none; font-weight:900; margin:6px;\"\u003e\n    Confirm Fitment (Send VIN)\n  \u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"margin-top:18px; font-size:13px; color:#6b7280; text-align:center;\"\u003e\n  Built for M113K owners who want dependable belt drive reliability — on stock setups and pulley-upgraded builds.\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46543796732079,"sku":"BU-M113K-IDL-SET3","price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/55k-amg-3-piece-billet-idler-pulley-set-mercedes-m113k.jpg?v=1785116567"},{"product_id":"722-6-transmission-pan-upgrade-for-mercedes-amg-55-55k-cooling-drain-deep-pan-option","title":"722.6 Transmission Pan Upgrade for Mercedes AMG 55 \u0026 55K | Cooling, Drain \u0026 Deep Pan Option","description":"\u003cdiv style=\"max-width:900px;margin:auto;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#222;line-height:1.65;\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv style=\"background:#111;border-radius:14px;padding:16px 18px;margin-bottom:14px;\"\u003e\n    \u003ch2 style=\"margin:0;color:#fff;text-align:center;font-size:20px;\"\u003e\n      722.6 Transmission Pan Upgrade (Stock or Deep) – Cooling + Drain + Leak-Free Seal\n    \u003c\/h2\u003e\n    \u003cp style=\"margin:8px 0 0;text-align:center;color:#ffcc00;font-size:14px;\"\u003e\n      For 722.6 owners chasing temps, leaks, messy services, or warped OEM pans\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- PROBLEM\/SEARCH-INTENT HOOK --\u003e\n  \u003cdiv style=\"background:#f6f7f9;border:1px solid #e5e7eb;border-radius:12px;padding:14px;margin:0 0 14px;\"\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      If you’re searching because your \u003cstrong\u003e722.6 transmission\u003c\/strong\u003e is running \u003cstrong\u003ehot\u003c\/strong\u003e, you’ve got a \u003cstrong\u003epan seep\/leak\u003c\/strong\u003e,\n      your last service was a \u003cstrong\u003emess with no drain\u003c\/strong\u003e, or the \u003cstrong\u003eOEM stamped steel pan\u003c\/strong\u003e feels flimsy\/warped…\n      this is the upgrade that fixes those pain points. More capacity, real cooling fins, a proper drain, and a machined sealing surface.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- QUICK FIXES --\u003e\n  \u003cdiv style=\"border:1px solid #e5e7eb;border-radius:12px;padding:14px;margin-bottom:16px;background:#fff;\"\u003e\n    \u003ch3 style=\"margin:0 0 10px;font-size:16px;\"\u003eWhy People Replace the OEM 722.6 Pan\u003c\/h3\u003e\n    \u003cul style=\"margin:0;padding-left:18px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOverheating \/ high ATF temps:\u003c\/strong\u003e extra capacity + fins help drop temps (often \u003cstrong\u003e10–30°F\u003c\/strong\u003e).\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSlow seep\/leaks:\u003c\/strong\u003e machined flat flange improves gasket contact and sealing.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eNo drain plug:\u003c\/strong\u003e side drain + magnetic plug makes fluid changes clean and easy.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWarped steel pan:\u003c\/strong\u003e thick cast aluminum resists bending and improves durability.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHard-use AMG driving:\u003c\/strong\u003e more fluid + cooling = better longevity under load.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FEATURES CARDS --\u003e\n  \u003cdiv style=\"display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px;\"\u003e\n    \u003cdiv style=\"flex:1 1 260px;background:#111;color:#fff;border-radius:12px;padding:14px;border:1px solid #2a2a2a;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#ffcc00;margin-bottom:6px;\"\u003eCooling + Capacity\u003c\/div\u003e\n      \u003cdiv style=\"color:#d1d5db;font-size:14px;\"\u003e\n        Finned cast aluminum with extra volume helps reduce ATF temps and stabilize performance—especially on \u003cstrong\u003e55 AMG \/ 55K\u003c\/strong\u003e cars.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 260px;background:#111;color:#fff;border-radius:12px;padding:14px;border:1px solid #2a2a2a;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#ffcc00;margin-bottom:6px;\"\u003eClean Service (Drain + Magnet)\u003c\/div\u003e\n      \u003cdiv style=\"color:#d1d5db;font-size:14px;\"\u003e\n        Side-mounted drain makes changes safer and less messy. Includes a \u003cstrong\u003emagnetic drain plug\u003c\/strong\u003e to capture debris.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 260px;background:#111;color:#fff;border-radius:12px;padding:14px;border:1px solid #2a2a2a;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#ffcc00;margin-bottom:6px;\"\u003eLeak-Resistant Seal\u003c\/div\u003e\n      \u003cdiv style=\"color:#d1d5db;font-size:14px;\"\u003e\n        Machined flat gasket surface and thick flange reduce warping and help prevent the common “slow seep” you see with OEM pans.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- DEEP VS STOCK --\u003e\n  \u003cdiv style=\"border:1px solid #e5e7eb;border-radius:12px;padding:16px;margin-bottom:18px;background:#fff;\"\u003e\n    \u003ch3 style=\"margin:0 0 10px;font-size:16px;\"\u003eChoose Your Version\u003c\/h3\u003e\n    \u003cdiv style=\"display:flex;gap:12px;flex-wrap:wrap;\"\u003e\n      \u003cdiv style=\"flex:1 1 280px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;padding:12px;\"\u003e\n        \u003cdiv style=\"font-weight:700;margin-bottom:6px;\"\u003eStock-Capacity Pan\u003c\/div\u003e\n        \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#374151;\"\u003e\n          \u003cli\u003eBest OEM-style upgrade (strength + drain + sealing)\u003c\/li\u003e\n          \u003cli\u003eGreat for daily driving and normal service intervals\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex:1 1 280px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;padding:12px;\"\u003e\n        \u003cdiv style=\"font-weight:700;margin-bottom:6px;\"\u003eDeep Pan (Max Cooling)\u003c\/div\u003e\n        \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#374151;\"\u003e\n          \u003cli\u003eHolds ~\u003cstrong\u003e1.5–2 extra quarts\u003c\/strong\u003e over stock\u003c\/li\u003e\n          \u003cli\u003eApprox. \u003cstrong\u003e3.5\"\u003c\/strong\u003e tall (about \u003cstrong\u003e1.8\"\u003c\/strong\u003e deeper than OEM)\u003c\/li\u003e\n          \u003cli\u003eIdeal for tuned cars, hot climates, hard driving, towing, or track use\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHAT'S INCLUDED --\u003e\n  \u003cdiv style=\"border:1px solid #e5e7eb;border-radius:12px;padding:14px;margin-bottom:16px;background:#fff;\"\u003e\n    \u003ch3 style=\"margin:0 0 10px;font-size:16px;\"\u003eWhat’s Included\u003c\/h3\u003e\n    \u003cul style=\"margin:0;padding-left:18px;\"\u003e\n      \u003cli\u003eCast aluminum 722.6 transmission pan (stock or deep, depending on selection)\u003c\/li\u003e\n      \u003cli\u003eCustom cork composite gasket\u003c\/li\u003e\n      \u003cli\u003eMounting bolts\u003c\/li\u003e\n      \u003cli\u003eMagnetic drain plug\u003c\/li\u003e\n      \u003cli\u003eButton screw for shield attachment\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT \/ SEARCH TERMS PEOPLE USE --\u003e\n  \u003cdiv style=\"border:1px solid #e5e7eb;border-radius:12px;padding:16px;margin-bottom:18px;background:#fff;\"\u003e\n    \u003ch3 style=\"margin:0 0 10px;font-size:16px;\"\u003eFitment (722.6 \/ 5-Speed Automatic)\u003c\/h3\u003e\n    \u003cp style=\"margin:0 0 10px;color:#4b5563;font-size:14px;\"\u003e\n      Fits \u003cstrong\u003eMercedes-Benz 722.6\u003c\/strong\u003e automatic transmissions (aka \u003cstrong\u003e5G-Tronic \/ NAG1\u003c\/strong\u003e) used across many AMG and non-AMG platforms.\n      Common searches include: \u003cstrong\u003e722.6 pan leak\u003c\/strong\u003e, \u003cstrong\u003e722.6 overheating\u003c\/strong\u003e, \u003cstrong\u003eNAG1 deep pan\u003c\/strong\u003e, \u003cstrong\u003e5G-Tronic drain plug\u003c\/strong\u003e, and \u003cstrong\u003e55 AMG transmission pan\u003c\/strong\u003e.\n    \u003c\/p\u003e\n    \u003cp style=\"margin:0;font-size:13px;color:#6b7280;\"\u003e\n      \u003cstrong\u003eFitment note:\u003c\/strong\u003e Confirm you have a \u003cstrong\u003e722.6\u003c\/strong\u003e transmission before ordering. If you’re unsure, send your year\/model\/trim (or VIN) and we’ll help verify.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- INSTALL NOTES (SAFE + SEARCHED) --\u003e\n  \u003cdiv style=\"background:#f6f7f9;border:1px solid #e5e7eb;border-radius:12px;padding:14px;margin-bottom:18px;\"\u003e\n    \u003ch3 style=\"margin:0 0 8px;font-size:16px;\"\u003eInstallation Notes\u003c\/h3\u003e\n    \u003cul style=\"margin:0;padding-left:18px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDo not use the factory gasket\u003c\/strong\u003e with this pan.\u003c\/li\u003e\n      \u003cli\u003eUse \u003cstrong\u003eRTV Black\u003c\/strong\u003e for proper sealing.\u003c\/li\u003e\n      \u003cli\u003eTorque evenly in a crisscross pattern to avoid flange distortion.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- CTA --\u003e\n  \u003cdiv style=\"text-align:center;margin-top:6px;\"\u003e\n    \u003ca href=\"#add-to-cart\" style=\"display:inline-block;background:#ffcc00;color:#000;padding:10px 22px;border-radius:10px;font-weight:700;text-decoration:none;font-size:15px;\"\u003e\n      Upgrade Your 722.6 Pan\n    \u003c\/a\u003e\n    \u003cp style=\"margin:10px 0 0;font-size:13px;color:#6b7280;\"\u003e\n      Fast shipping • Fitment support available • Built for real-world AMG use\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46551899603119,"sku":"BU-7226-PAN","price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/722-6-transmission-pan-upgrade-amg-55-55k-aluminum-cooling-pan.jpg?v=1770724851"},{"product_id":"copy-4-piece-mercedes-m157-idler-pulley-set-billet-upgrade-e63-cls63-s63","title":"4-Piece Mercedes M157 Idler Pulley Set – Billet Upgrade E63 CLS63 S63","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 900px; margin: auto; line-height: 1.65; color: #222; font-size: 16px;\"\u003e\n\u003c!-- Lead --\u003e\n\u003cp\u003eGive your \u003cstrong\u003eM157 5.5L BiTurbo\u003c\/strong\u003e the belt drive it deserves. This \u003cstrong\u003e63 AMG 5-Piece Idler Pulley Set – Billet Upgrade for M157 V8 Bi-Turbo\u003c\/strong\u003e replaces aging factory plastic or stamped pulleys with a complete set of \u003cstrong\u003eCNC-machined billet aluminum idlers\u003c\/strong\u003e, built to handle tuned power levels, heat, and long-term use.\u003c\/p\u003e\n\u003c!-- Why It Matters --\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eThe OEM idler pulleys on the \u003cstrong\u003eM157 AMG V8\u003c\/strong\u003e are known to wear, crack, or fail over time—especially on tuned cars. Factory units can cause \u003cstrong\u003ebelt slip, squeal, inconsistent boost, and in severe cases full belt failure\u003c\/strong\u003e that can take out accessories or leave you stranded. This billet set solves that problem with stronger materials, better bearings, and smoother rotation designed for real AMG use.\u003c\/p\u003e\n\u003c!-- Key Features --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e🔧 Key Features – Billet Idler Pulley Set for M157\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined billet aluminum:\u003c\/strong\u003e Replaces weak plastic or stamped pulleys with rigid, high-strength aluminum built for heat and boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard-anodized finish:\u003c\/strong\u003e Corrosion-resistant, wear-resistant coating for long service life in harsh engine bay conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZZ-rated Nachi high-speed bearings:\u003c\/strong\u003e Premium bearings for smooth, quiet operation and excellent longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete 4-piece coverage:\u003c\/strong\u003e Includes all five main idler locations to refresh the entire M157 belt path in one kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM replacement:\u003c\/strong\u003e No modifications required—bolts in place of the factory pulleys using OEM-style locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved belt tracking:\u003c\/strong\u003e Helps maintain consistent accessory drive and stable boost on tuned or hard-driven AMGs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA by ASP Performance:\u003c\/strong\u003e Manufactured to motorsport-grade standards for serious M157 builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Performance \u0026 Reliability Benefits --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📈 Performance \u0026amp; Reliability Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces belt slip and noise\u003c\/strong\u003e caused by worn or failing factory pulleys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports consistent boost\u003c\/strong\u003e by keeping belt tension and routing stable under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects against failure\u003c\/strong\u003e that can damage accessories or leave you stranded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for tuned M157 engines\u003c\/strong\u003e running higher boost, upgraded cooling, or track use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- What's Included --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📦 What’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(4) CNC billet aluminum idler pulleys (complete M157 set)\u003c\/li\u003e\n\u003cli\u003ePre-installed ZZ-rated Nachi performance bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Compatibility Table --\u003e\n\u003ch3 style=\"margin-top: 22px;\"\u003e✔️ Compatibility – M157 5.5L BiTurbo AMG\u003c\/h3\u003e\n\u003cp\u003eDirect bolt-on fit for Mercedes-Benz models equipped with the \u003cstrong\u003eM157 AMG V8 BiTurbo\u003c\/strong\u003e:\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 10px 0 14px; font-size: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eYears (Approx.)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW212\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eE 63 AMG \/ E 63 S AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW218\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCLS 63 AMG \/ CLS 63 S AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW221 \/ W222 (early)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eS 63 AMG (M157-equipped)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2011–2017*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eR231\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSL 63 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2013–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW166\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eML 63 AMG \/ GLE 63 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2012–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eX166\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eGL 63 AMG \/ GLS 63 AMG\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2013–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eW463\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eG 63 AMG (M157 models)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2013–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin: 0 0 12px;\"\u003e*Fitment years may vary slightly by market and facelift. If you’re unsure whether your S 63, SL 63, or SUV\/coupe 63 AMG uses the M157, send us your \u003cstrong\u003eVIN\u003c\/strong\u003e and we’ll confirm compatibility before you order.\u003c\/p\u003e\n\u003c!-- Recommended Mods --\u003e\n\u003cdiv style=\"margin-top: 20px; padding: 14px 16px; border-radius: 8px; border: 1px solid #eee; background: #f7f7f7;\"\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003e\u003cstrong\u003eRecommended supporting upgrades for M157 builds:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 4px 18px;\"\u003e\n\u003cli\u003e\u003ca style=\"color: #000; font-weight: bold; text-decoration: none;\" href=\"\/products\/m157-intake-filter-spacer-kit\"\u003e M157 Intake Filter Spacer Kit \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color: #000; font-weight: bold; text-decoration: none;\" href=\"\/products\/custom-ecu-tuning-m157-5-5-biturbo\"\u003e Custom ECU Tuning for M157 5.5L BiTurbo \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color: #000; font-weight: bold; text-decoration: none;\" href=\"\/products\/m157-turbo-blankets\"\u003e M157 Turbo Blankets \u0026amp; Heat Management Upgrades \u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Installation --\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e🧰 Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on replacement for OEM idler pulleys.\u003c\/li\u003e\n\u003cli\u003eTypical install time: ~1–2 hours with basic hand tools.\u003c\/li\u003e\n\u003cli\u003eNo tuning required.\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and most aftermarket belt configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Trust Section --\u003e\n\u003ch3 style=\"margin-top: 26px;\"\u003e🏁 Designed, Tested \u0026amp; Approved for AMG Use\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eWe’ve spent over \u003cstrong\u003e12 years\u003c\/strong\u003e building, tuning, and daily-driving AMG platforms—including multiple M157-powered E 63, CLS 63, and SUV 63 builds  If you’re serious about long-term reliability and clean power delivery, billet idlers are one of the smartest upgrades you can make to an M157.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46556863856815,"sku":"BU-M157-IDL-SET4","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/4-piece-idler-pulley-set-m157-billet-upgrade.png?v=1785116071"},{"product_id":"m156-billet-polyurethane-engine-mounts-c63-e63-clk63-amg-performance-upgrade","title":"M156 Billet Polyurethane Engine Mounts – C63 E63 CLK63 AMG Performance Upgrade","description":"\u003cdiv style=\"max-width: 900px; margin: auto; font-family: Arial, sans-serif; color: #333; line-height: 1.65;\"\u003e\n\u003ch1 style=\"font-size: 28px; font-weight: bold; color: #1a1a1a; text-align: center; margin-bottom: 22px;\"\u003eM156 Billet \/ Polyurethane Engine Mounts\u003c\/h1\u003e\n\u003cp style=\"font-size: 17.5px; text-align: center; max-width: 720px; margin: 0 auto 30px auto;\"\u003eUpgrade your M156 AMG with high-performance billet polyurethane engine mounts. These serviceable mounts deliver improved throttle response, better engine stability, and more power to the wheels while maintaining daily drivability.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin: 30px 0 15px 0;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.85;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 Durometer Polyurethane\u003c\/strong\u003e — Perfect balance of performance and comfort\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Throttle Response\u003c\/strong\u003e — Reduces engine movement for sharper power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet Construction\u003c\/strong\u003e — Strong, lightweight, and fully serviceable design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA Made\u003c\/strong\u003e — Proudly engineered and assembled in the USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit\u003c\/strong\u003e — One pair (left + right) for complete replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin-top: 35px;\"\u003eFitment\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.8;\"\u003e\n\u003cli\u003eMercedes-Benz C63 AMG (W204)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz E63 AMG (W212)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLK63 AMG (W209)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 15px; color: #555; margin-top: 10px;\"\u003eNote: For W211 E63 and W209 CLK63, use the M113\/M113K version instead.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin-top: 35px;\"\u003eTechnical Notes\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16px; line-height: 1.75;\"\u003e\n\u003cli\u003eBase plate threads: M8x1.0\u003c\/li\u003e\n\u003cli\u003eCenter mount to engine bracket: M10x1.5 bolt required (bolts not included)\u003c\/li\u003e\n\u003cli\u003eReplaces OEM part numbers: A204240151764, A2052409300, A2052408600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-size: 18px; font-weight: bold; color: #990000; margin: 40px 0 15px 0;\"\u003eIncludes: 1 Pair (Left + Right) Engine Mounts\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-size: 17px;\"\u003e\u003cstrong\u003eUpgrade your M156 drivetrain with superior stability and response.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46754066038959,"sku":"BU-M156-MNT-BILLET","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/billet-polyurethane-engine-mounts-mercedes-m156-e63-cls63-benzunited.jpg?v=1785114857"},{"product_id":"amg-belt-wrap-kit-for-m113k-prevent-supercharger-slip","title":"AMG Belt Wrap Kit for M113K – Prevent Supercharger Slip","description":"\u003cdiv style=\"max-width: 900px; margin: auto; font-family: Arial, sans-serif; color: #333; line-height: 1.65;\"\u003e\n\u003cp style=\"font-size: 17.5px; text-align: center; max-width: 720px; margin: 0 auto 30px auto;\"\u003eUnder hard acceleration, the M113K supercharger is known to slip on the belt, robbing boost and hurting performance. Our Belt Wrap Kit solves this by increasing belt-to-pulley contact, delivering more consistent boost and a smoother power curve.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin: 30px 0 15px 0;\"\u003eKit Includes\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.85;\"\u003e\n\u003cli\u003eHigh-quality drive belt\u003c\/li\u003e\n\u003cli\u003eBillet aluminum idler pulley\u003c\/li\u003e\n\u003cli\u003eUpdated 3-bolt V-bracket (stronger than the old 2-bolt design)\u003c\/li\u003e\n\u003cli\u003eAll necessary mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin-top: 35px;\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.85;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Belt Slip\u003c\/strong\u003e — Increases belt wrap and contact on the supercharger pulley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore Consistent Boost\u003c\/strong\u003e — Maintains proper boost pressure under hard acceleration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoother Power Delivery\u003c\/strong\u003e — Nets 1-2 psi gain at high RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger Bracket\u003c\/strong\u003e — Now uses a reinforced 3-bolt design to prevent flex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit\u003c\/strong\u003e — No modifications required for M113K AMG platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin-top: 35px;\"\u003eFitment\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.8;\"\u003e\n\u003cli\u003eMercedes-Benz E55 AMG (W211)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLS55 AMG (C219)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL55 AMG (R230)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S55 AMG (W220)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL55 AMG (C215)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz G55 AMG (W463)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-size: 18px; font-weight: bold; color: #990000; margin: 40px 0 15px 0;\"\u003eAMG Belt Wrap Kit for M113K – Includes updated 3-bolt bracket\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-size: 17px;\"\u003e\u003cstrong\u003eStop boost loss and unlock the power your supercharger was meant to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46773050310831,"sku":"BU-M113K-BLT-WRAP","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/belt_wrap_kit.jpg?v=1777920176"},{"product_id":"upgraded-water-pump-pulley-for-m113-m113k-amg","title":"Upgraded Water Pump Pulley for M113 \/ M113K AMG","description":"\u003cdiv style=\"max-width: 900px; margin: auto; font-family: Arial, sans-serif; color: #333; line-height: 1.65;\"\u003e\n\u003cp style=\"font-size: 17.5px; text-align: center; max-width: 720px; margin: 0 auto 30px auto;\"\u003eWhy upgrade your water pump pulley? The stock pulley is heavy and large, creating unnecessary drag on the engine. Our lightweight CNC billet aluminum pulley reduces parasitic loss, spins the water pump faster at high RPM, improves coolant flow, and helps prevent belt slip — especially when paired with a belt wrap kit.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin: 30px 0 15px 0;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.85;\"\u003e\n\u003cli\u003eCNC billet aluminum construction for maximum strength and lightness\u003c\/li\u003e\n\u003cli\u003e115mm diameter for optimal water pump speed\u003c\/li\u003e\n\u003cli\u003ePrecision machined for perfect belt alignment\u003c\/li\u003e\n\u003cli\u003eEasy direct-fit installation — no modifications required\u003c\/li\u003e\n\u003cli\u003eProudly manufactured in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin-top: 35px;\"\u003eWhy Upgrade?\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.85;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Parasitic Drag\u003c\/strong\u003e — Lighter pulley frees up horsepower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreases Coolant Flow\u003c\/strong\u003e — Spins the water pump faster at high RPM for better cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelps Prevent Belt Slip\u003c\/strong\u003e — Works perfectly with belt wrap kits under hard acceleration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlight Power Gain\u003c\/strong\u003e — Typically 3–8 hp depending on your setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter High-RPM Cooling\u003c\/strong\u003e — Essential for large pulley upgrades, tunes, and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin-top: 35px;\"\u003eFitment\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.8;\"\u003e\n\u003cli\u003eMercedes-Benz E55 AMG\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL55 AMG\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLS55 AMG\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S55 AMG\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL55 AMG\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz G55 AMG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-size: 18px; font-weight: bold; color: #990000; margin: 40px 0 15px 0;\"\u003eUpgraded Water Pump Pulley for M113 \u0026amp; M113K AMG – Lightweight Billet Aluminum\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-size: 17px;\"\u003e\u003cstrong\u003eReduce drag, improve cooling, and unlock more power from your supercharged M113K.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46773096251567,"sku":"BU-M113K-PUL-WP","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/upgraded-billet-water-pump-pulley-mercedes-m113-m113k-amg-115mm.jpg?v=1785116567"},{"product_id":"6-rib-mini-idler-pulley-m113k-amg-cnc-billet","title":"6 Rib Mini Idler Pulley – M113K AMG CNC Billet Performance Upgrade","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 850px; margin: auto; padding: 20px; background-color: #f9f9f9; border: 1px solid #ddd; color: #333;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7;\"\u003eThe \u003cstrong\u003e6 Rib Mini Idler Pulley for M113K AMG engines\u003c\/strong\u003e is a precision upgrade designed to improve supercharger belt drive reliability and performance on Mercedes-Benz AMG vehicles. Built by ASP, this billet pulley delivers smoother operation, reduced bearing noise, and greater durability under high-boost conditions.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #003366;\"\u003e⚙️ Key Features:\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.7;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Billet Aluminum Construction:\u003c\/strong\u003e Machined from premium-grade aluminum for superior strength, precision fit, and reduced rotating mass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed ZZ Nachi Bearings:\u003c\/strong\u003e Premium bearings engineered for smooth, quiet operation and extended service life under demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Supercharger Belt Drive:\u003c\/strong\u003e Better belt wrap and tension stability help reduce belt slip and maintain consistent boost under hard acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Direct-fit design for M113K AMG engines — no modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured by \u003cstrong\u003eASP\u003c\/strong\u003e, a trusted name in high-performance AMG components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #003366;\"\u003e🚗 Vehicle Compatibility:\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0; font-size: 15px; background-color: #ffffff; border: 1px solid #ccc;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #003366; color: #ffffff;\"\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ccc;\"\u003eModel\u003c\/th\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ccc;\"\u003eChassis\u003c\/th\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ccc;\"\u003eYears\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eE55 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eW211\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2003 – 2006\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f8f8f8;\"\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eCLS55 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eC219\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2004 – 2006\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eS55 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eW220\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2003 – 2006\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f8f8f8;\"\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eCL55 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eC215\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2003 – 2006\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eSL55 AMG\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003eR230\u003c\/td\u003e\n      \u003ctd style=\"padding: 9px; border: 1px solid #ccc;\"\u003e2003 – 2008\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 14px; color: #555; margin-top: 5px;\"\u003eFits M113K supercharged 5.4L V8 engines. Always verify your specific model year and engine code before ordering.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #003366;\"\u003e💡 Why Upgrade to the 6 Rib Mini Idler Pulley?\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7;\"\u003eOn M113K supercharged engines, the factory idler pulleys can become a weak point, especially when running higher boost or during aggressive driving. Worn bearings often lead to noise, belt slip, and inconsistent supercharger performance.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7;\"\u003eThis ASP mini idler pulley uses a stronger billet construction and high-quality Nachi bearings to improve belt wrap and maintain proper tension on the supercharger belt. The result is quieter operation, better boost consistency, and increased reliability under load.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #eef3f8; border-left: 4px solid #003366; padding: 16px; margin-top: 20px;\"\u003e\n\u003cstrong\u003eReady to improve supercharger belt reliability on your M113K?\u003c\/strong\u003e\u003cbr\u003e\nUpgrade to the ASP 6 Rib Mini Idler Pulley today for smoother, more consistent performance.\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46990367293615,"sku":"BU-M113K-IDL-6RIB","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/6-rib-mini-idler-pulley-m113k-amg-cnc-billet-performance.jpg?v=1780282270"}],"url":"https:\/\/benzunitedparts.com\/collections\/mercedes-drivetrain.oembed?page=2","provider":"BenzUnited Parts","version":"1.0","type":"link"}