{"title":"M273 Performance Parts \u0026 Upgrades for Mercedes-Benz E550 \/ CLS550 \/ S550 \/ SL550 \/ CL550","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 980px; margin: 0 auto; line-height: 1.65; color: #222;\"\u003e\n\u003c!-- SEO H1 --\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 16px;\"\u003eUnlock the full potential of your Mercedes-Benz \u003cstrong\u003eM273 5.5L Naturally Aspirated V8\u003c\/strong\u003e with proven performance upgrades for \u003cstrong\u003eE 550, CLS 550, S 550, SL 550, and CL 550\u003c\/strong\u003e models. Improve airflow, throttle response, sound, and overall driving feel with high-quality M273 parts designed for the naturally aspirated 5.5L platform.\u003c\/p\u003e\n\u003c!-- Main Body Content --\u003e\n\u003cp\u003eThe Mercedes-Benz \u003cstrong\u003eM273\u003c\/strong\u003e 5.5L V8 is a smooth, powerful, and reliable engine that responds exceptionally well to the right modifications. Whether your goal is sharper throttle response, a more aggressive exhaust note, reduced rotational mass, or improved overall drivability, these upgrades transform the driving experience while maintaining the refined character of your 550-class Mercedes.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 32px;\"\u003eRecommended Starting Points\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 20px;\"\u003eHere are three popular upgrade paths depending on your goals and budget:\u003c\/p\u003e\n\u003c!-- CTA Buttons Section --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-top: 10px;\"\u003e\n\u003c!-- ECU Tuning --\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; border: 1px solid #ddd; padding: 20px; border-radius: 10px; background-color: #fafafa;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eECU Tuning\u003c\/h3\u003e\n\u003cp\u003eUnlock hidden power and dramatically improve throttle response with custom ECU calibration tailored to your M273.\u003c\/p\u003e\n\u003ca href=\"https:\/\/benzunitedparts.com\/products\/m273-v8-5-5l-custom-ecu-tuning-e550-clk550-cls550-sl550\" style=\"display: inline-block; margin-top: 10px; padding: 12px 22px; background: #111; color: #fff; border-radius: 8px; text-decoration: none; font-weight: bold;\"\u003eShop ECU Tuning →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- High Performance Filters --\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; border: 1px solid #ddd; padding: 20px; border-radius: 10px; background-color: #fafafa;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eHigh Performance Air Filters\u003c\/h3\u003e\n\u003cp\u003eChoose between budget-friendly high-flow drop-in filters depending on your performance goals and budget.\u003c\/p\u003e\n\u003ca href=\"\/collections\/m273-intakes-filters\" style=\"display: inline-block; margin-top: 10px; padding: 12px 22px; background: #111; color: #fff; border-radius: 8px; text-decoration: none; font-weight: bold;\"\u003eShop High-Flow Performance Filters →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- Midlength Headers --\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; border: 1px solid #ddd; padding: 20px; border-radius: 10px; background-color: #fafafa;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eMidlength Headers\u003c\/h3\u003e\n\u003cp\u003eImprove exhaust flow and sound with quality midlength headers — a great balance of performance, fitment, and drivability.\u003c\/p\u003e\n\u003ca href=\"https:\/\/benzunitedparts.com\/products\/clk550-e550-cls550-sl550-mid-length-performance-headers-m273-v8-na\" style=\"display: inline-block; margin-top: 10px; padding: 12px 22px; background: #111; color: #fff; border-radius: 8px; text-decoration: none; font-weight: bold;\"\u003eShop Midlength Headers →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Why Upgrade Section --\u003e\n\u003ch2 style=\"margin-top: 40px;\"\u003eWhy Upgrade Your Mercedes 550 With M273 Mods?\u003c\/h2\u003e\n\u003cp\u003eThe M273 5.5L naturally aspirated V8 responds very well to airflow, exhaust, and calibration upgrades. These modifications enhance throttle response, improve sound, and deliver a more engaging driving experience while maintaining the smooth, refined character your 550-class Mercedes is known for.\u003c\/p\u003e\n\u003cp\u003eWhether you daily your E550, enjoy your CLS550, or cruise in an S550 or SL550, these upgrades provide noticeable improvements in performance and driving feel without compromising reliability.\u003c\/p\u003e\n\u003c!-- Hidden SEO Tags --\u003e \u003cspan style=\"display: none;\"\u003eM273 performance parts, Mercedes 5.5 V8 upgrades, E550 performance parts, CLS550 tuning, S550 M273 mods, SL550 performance upgrades, CL550 M273 parts, M273 cold air intake, M273 ECU tune, M273 headers, Mercedes naturally aspirated 5.5 upgrades, M273 aftermarket parts\u003c\/span\u003e\n\u003c\/div\u003e","products":[{"product_id":"mercedes-throttle-body-a2731410325","title":"2731410325 OEM Mercedes Throttle Body Actuator – E550 CLS550 GL450 S550 GL550","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;\"\u003eRestore smooth throttle response and eliminate limp mode with a genuine Mercedes OEM throttle body actuator for M273 V8 engines. Direct plug-and-play replacement — typically no coding required.\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\u003eGenuine Mercedes-Benz OEM Part #2731410325\u003c\/li\u003e\n\u003cli\u003eUsed, fully tested and verified working\u003c\/li\u003e\n\u003cli\u003ePlug \u0026amp; Play installation on most vehicles\u003c\/li\u003e\n\u003cli\u003eOriginal factory quality and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin-top: 35px;\"\u003eCommon Issues This Fixes\u003c\/h2\u003e\n\u003cul style=\"margin-left: 22px; font-size: 16.5px; line-height: 1.85;\"\u003e\n\u003cli\u003eLimp mode or reduced engine power\u003c\/li\u003e\n\u003cli\u003eErratic idle, stalling, or rough running\u003c\/li\u003e\n\u003cli\u003eThrottle hesitation or delayed response\u003c\/li\u003e\n\u003cli\u003eThrottle actuator fault codes (P0120, P0220, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; color: #1a1a1a; margin-top: 35px;\"\u003eVehicle Fitment – M273 V8\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 16px; margin: 20px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f8f8f8;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eE550 \/ CLS550\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2007–2011\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e5.5L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eS550 \/ CL550\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2007–2011\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e5.5L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eML550 \/ GL550\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2008–2012\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e5.5L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eG550\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2010–2014\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e5.5L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eGL450\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2007–2012\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e4.7L M273 V8\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: 10px;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always verify compatibility by matching your original part number (2731410325) before purchasing.\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-size: 18px; font-weight: bold; color: #990000; margin: 40px 0 15px 0;\"\u003eGenuine OEM M273 Throttle Body Actuator – Fast Shipping \u0026amp; Ready to Install\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-size: 17px;\"\u003e\u003cstrong\u003eFix your throttle issues and restore factory performance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":43034818609327,"sku":null,"price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/mercedes-throttle-body-2731410325.png?v=1747120624"},{"product_id":"m273-v8-5-5l-custom-ecu-tuning-e550-clk550-cls550-sl550","title":"Custom ECU Tune for Mercedes M273 V8 – E550, CLS550, CL550, S550, SL550","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #333; line-height: 1.6; padding: 25px; max-width: 900px; margin: auto;\"\u003e\n\u003cp style=\"text-align: center; font-size: 18px;\"\u003e\u003cb\u003eUp to +40 HP from a bespoke ECU calibration for your naturally aspirated Mercedes-Benz V8.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-size: 16px; color: #555;\"\u003eDesigned for owners who want sharper response, stronger mid-range torque, and refined drivability — not a generic flash.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin-top: 20px;\"\u003e\u003cimg src=\"https:\/\/www.dragtimes.com\/images\/21535-2009-Mercedes-Benz-CLK550.jpg\" alt=\"Mercedes-Benz M273 V8 ECU tuning for refined performance and throttle response\" style=\"border-radius: 10px; border: 1px solid #ddd; max-width: 100%;\"\u003e\u003c\/div\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch2 style=\"color: #004aad;\"\u003eWhy Tune the M273?\u003c\/h2\u003e\n\u003cp\u003eThe M273 is a smooth, reliable V8 held back by conservative factory calibration. This custom ECU tune modernizes the platform by refining throttle behavior, optimizing ignition and torque modeling, and unlocking usable performance that transforms how the car responds in real driving.\u003c\/p\u003e\n\u003c!-- MID-LENGTH HEADERS CTA --\u003e\n\u003cdiv style=\"text-align: center; margin: 18px 0;\"\u003e\u003ca style=\"display: inline-block; background-color: #004aad; color: #fff; padding: 10px 20px; font-size: 16px; text-decoration: none; border-radius: 6px;\" href=\"https:\/\/benzunitedparts.com\/products\/clk550-e550-cls550-sl550-mid-length-performance-headers-m273-v8-na\"\u003e 🔧 Pair with M273 Mid-Length Headers \u003c\/a\u003e\u003c\/div\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch2 style=\"color: #004aad;\"\u003eWhat You Can Expect\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003eTypical gains:\u003c\/b\u003e up to +40 horsepower on premium fuel\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSharpened throttle response\u003c\/b\u003e with reduced pedal delay and improved modulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStronger mid-range torque\u003c\/b\u003e for more decisive acceleration\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSmoother power delivery\u003c\/b\u003e through optimized load and ignition control\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRefined daily drivability\u003c\/b\u003e with factory-level smoothness\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM safeguards retained\u003c\/b\u003e including knock and thermal protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch2 style=\"color: #004aad;\"\u003eHow the Process Works\u003c\/h2\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #ddd; border-radius: 8px; padding: 16px;\"\u003e\n\u003col style=\"margin: 0 0 12px 18px; padding: 0;\"\u003e\n\u003cli\u003eComplete your purchase.\u003c\/li\u003e\n\u003cli\u003eWe send you the data cable and instructions to read your stock ECU file.\u003c\/li\u003e\n\u003cli\u003eYour custom calibration is built and delivered for flashing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eThis is a fully remote tuning service — no ECU removal required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch2 style=\"color: #004aad;\"\u003eExample Results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e5.5L baseline:\u003c\/b\u003e ~382 HP \/ 391 lb-ft → \u003cb\u003eTuned:\u003c\/b\u003e ~425 HP \/ 428 lb-ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 14px; color: #666;\"\u003eActual results vary based on fuel quality, altitude, vehicle condition, and maintenance.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch2 style=\"color: #004aad;\"\u003eCompatible Vehicles\u003c\/h2\u003e\n\u003cul style=\"columns: 2; -webkit-columns: 2; -moz-columns: 2; gap: 32px; margin: 0;\"\u003e\n\u003cli\u003eMercedes-Benz E550\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLS550\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S550\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL550\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL550\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLK550\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch2 style=\"color: #004aad;\"\u003eWhat Drivers Say\u003c\/h2\u003e\n\u003cblockquote style=\"border-left: 4px solid #cfd8e3; padding-left: 15px; font-style: italic;\"\u003e“Silky smooth in traffic, aggressive when you lean into it. Feels exactly how the car should have from the factory.”\u003c\/blockquote\u003e\n\u003cblockquote style=\"border-left: 4px solid #cfd8e3; padding-left: 15px; font-style: italic;\"\u003e“Not a canned file. Throttle and torque feel tailored to my car. Night-and-day difference.”\u003c\/blockquote\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003cp style=\"text-align: center; font-weight: bold;\"\u003eFor Mercedes owners who value refinement, response, and engineering integrity — this is proper V8 calibration.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin-top: 20px;\"\u003e\u003ca href=\"\/pages\/contact\" style=\"background-color: #004aad; color: #fff; padding: 12px 24px; font-size: 18px; text-decoration: none; border-radius: 6px;\"\u003e 📞 Contact Us \u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45838426865839,"sku":null,"price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/OIP_2.jpg?v=1708324391"},{"product_id":"clk550-e550-cls550-sl550-mid-length-performance-headers-m273-v8-na","title":"Mid-length Headers for Mercedes CLK550 E550 CLS550 SL550 M273 V8 NA","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333;\"\u003e\n\u003ch2 style=\"font-size: 22px; font-weight: bold;\"\u003eUnleash the Power of Your M273 V8\u003c\/h2\u003e\n\u003cp\u003eTransform your Mercedes-Benz M273 engine with our \u003cstrong\u003eHigh-Flow Mid-Length Performance Headers\u003c\/strong\u003e. Engineered to cut backpressure and maximize airflow, these headers unlock serious horsepower, torque, and a deeper, more aggressive exhaust note. Perfect for \u003cstrong\u003enaturally aspirated and supercharged M273 V8s\u003c\/strong\u003e — including E550, CLS550, SL550, CLK550, S550, and CL550.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; font-weight: bold; margin-top: 20px;\"\u003e⚙️ Performance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Flow Design:\u003c\/strong\u003e Reduced exhaust restriction for maximum gains\u003c\/li\u003e\n\u003cli\u003e🚗 \u003cstrong\u003eDyno-Proven Power:\u003c\/strong\u003e +38 hp and +39 ft\/lb of torque\u003c\/li\u003e\n\u003cli\u003e🔊 \u003cstrong\u003eEnhanced Exhaust Tone:\u003c\/strong\u003e Deeper, throatier sound under throttle\u003c\/li\u003e\n\u003cli\u003e🔧 \u003cstrong\u003eOptimized Piping:\u003c\/strong\u003e Wide diameter for top-end power and torque balance\u003c\/li\u003e\n\u003cli\u003e🌍 \u003cstrong\u003eGlobal Fitment:\u003c\/strong\u003e Works with both LHD and RHD models\u003c\/li\u003e\n\u003cli\u003e🛠️ \u003cstrong\u003eInstallation:\u003c\/strong\u003e Welding required to integrate with factory exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font-size: 18px; font-weight: bold; margin-top: 20px;\"\u003e📦 Model Compatibility\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSL550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eM273 V8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2007–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCLS550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eM273 V8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2007–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCLK550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eM273 V8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2007–2009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eE550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eM273 V8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2006–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eM273 V8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2007–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCL550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eM273 V8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2007–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"color: red; font-weight: bold; margin-top: 20px;\"\u003e🔥 Limited batch available — secure yours before stock runs out!\u003c\/p\u003e\n\u003cp style=\"margin-top: 20px;\"\u003ePair with our \u003ca href=\"https:\/\/benzunitedparts.com\/products\/m273-v8-5-5l-custom-ecu-tuning-e550-clk550-cls550-sl550?_pos=15\u0026amp;_sid=b48e279e3\u0026amp;_ss=r\" style=\"color: #007bff; text-decoration: underline;\"\u003eCustom ECU Tune for the M273\u003c\/a\u003e to maximize power gains and throttle response.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; font-weight: bold; margin-top: 30px;\"\u003e💎 Why Buy from BenzUnited Parts?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e🔩 Trusted by performance tuners \u0026amp; Mercedes enthusiasts worldwide\u003c\/li\u003e\n\u003cli\u003e📦 Fast shipping, responsive support, and fitment guarantee\u003c\/li\u003e\n\u003cli\u003e🔍 Rare and high-performance parts sourced with precision\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 25px; text-align: center;\"\u003e\n\u003ca href=\"\/collections\/mercedes-downpipes-tig-welded-304-stainless-steel-performance\" style=\"display: inline-block; background-color: #000; color: #fff; padding: 12px 25px; text-decoration: none; font-weight: bold; border-radius: 5px; margin: 5px 10px;\"\u003e 🔧 Shop More Performance Upgrades \u003c\/a\u003e \u003ca href=\"https:\/\/benzunitedparts.com\/pages\/request-a-part\" style=\"display: inline-block; background-color: #555; color: #fff; padding: 12px 25px; text-decoration: none; font-weight: bold; border-radius: 5px; margin: 5px 10px;\"\u003e 📩 Request a Custom Setup \u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 25px; font-size: 14px; color: rgb(102, 102, 102); text-align: center;\"\u003e⚠️ For off-road and racing use only. Not legal for highway use in emissions-restricted states. Professional installation with welding is required.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: rgb(102, 102, 102); text-align: center;\"\u003e✅ Ships within 1–2 business days. Packaged securely and insured.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44509878354095,"sku":"","price":949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/mercedes-m273-performance-headers-e550-cls550-sl550.png?v=1756775561"},{"product_id":"k-n-high-flow-engine-air-filter-for-mercedes-e350-c350-c300-c320-33-2181","title":"Set of 2 K\u0026N Air Filters – Mercedes M273 V8 E550 CLS550 S550 CLK550","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333;\"\u003e\n\u003cp\u003eThis isn’t just a replacement — it’s a proven performance upgrade for Mercedes-Benz M273 V8 engines. Each vehicle requires two filters, and this complete kit includes both K\u0026amp;N 33-2181 filters needed for a full replacement. Designed to increase airflow, restore lost horsepower, and sharpen throttle response, they also provide superior filtration and lifetime reusability.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003e📦 Mercedes M273 Vehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eKit includes 2 filters — complete replacement for one vehicle.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"padding: 10px;\"\u003eYear\u003c\/th\u003e\n\u003cth style=\"padding: 10px;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2006–2011\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eE550\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eM273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2007–2011\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eCLS550\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eM273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2007–2013\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eS550\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eM273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2007–2012\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSL550\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eM273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2007–2010\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eCL550\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eM273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2007–2009\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eCLK550\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eM273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003e💡 Why Upgrade to a K\u0026amp;N 33-2181 Air Filter Kit for Mercedes M273 V8?\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Boost:\u003c\/strong\u003e Up to +10 hp with both filters installed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrottle Response:\u003c\/strong\u003e Quicker acceleration and stronger midrange pull\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Value:\u003c\/strong\u003e Washable, reusable, backed by K\u0026amp;N’s Million Mile Warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance Interval:\u003c\/strong\u003e Clean approximately every 15,000 miles under normal driving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e No modifications required; works seamlessly with the factory ram-air box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eWant to know why drop-in filters outperform aftermarket cone setups? Read our full guide: \u003ca style=\"color: #007bff; text-decoration: underline; font-weight: bold;\" href=\"https:\/\/benzunitedparts.com\/blogs\/news\/mercedes-intake-guide-why-drop-in-filters-beat-cone-intakes\"\u003eMercedes Intake Guide: Why Drop-In Filters Beat Cone Intakes\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003e🔧 Easy Installation\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePull off the front engine cover.\u003c\/li\u003e\n\u003cli\u003eRemove the front section of the intake housing.\u003c\/li\u003e\n\u003cli\u003eRelease the metal latch at the back where the airbox connects to the throttle body.\u003c\/li\u003e\n\u003cli\u003eFlip the housing upside down and remove the Torx screws.\u003c\/li\u003e\n\u003cli\u003eSwap in both new K\u0026amp;N 33-2181 filters (arrows facing airflow).\u003c\/li\u003e\n\u003cli\u003eReassemble and snap the housing + cover back in place.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eTime:\u003c\/strong\u003e ~15 minutes with a Torx driver.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003e⚙️ Mercedes M273 Performance Upgrade Path\u003c\/h3\u003e\n\u003cp\u003eThe K\u0026amp;N filter kit is the \u003cstrong\u003efoundation of a complete breathing package\u003c\/strong\u003e for your M273-powered Mercedes. Pair it with the following upgrades for maximum results:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eX-Pipe Exhaust:\u003c\/strong\u003e Improves exhaust scavenging, midrange torque, and high-RPM horsepower while removing restrictive secondary cats (No CEL).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMid-Length Headers:\u003c\/strong\u003e Balanced high-flow design boosts horsepower above 4,000 rpm without killing low-end torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECU Tune:\u003c\/strong\u003e Optimizes fueling and ignition to unlock the combined intake\/exhaust gains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\n\u003ca style=\"display: inline-block; background-color: #000; color: #fff; padding: 12px 25px; text-decoration: none; font-weight: bold; border-radius: 5px; margin: 8px;\" href=\"https:\/\/benzunitedparts.com\/products\/2-25-x-pipe-for-mercedes-na-replacement-for-secondary-cats\"\u003e🔧 Shop Mercedes M273 X-Pipe\u003c\/a\u003e \u003ca style=\"display: inline-block; background-color: #000; color: #fff; padding: 12px 25px; text-decoration: none; font-weight: bold; border-radius: 5px; margin: 8px;\" href=\"https:\/\/benzunitedparts.com\/products\/clk550-e550-cls550-sl550-mid-length-performance-headers-m273-v8-na\"\u003e🔥 Shop Mercedes M273 Mid-Length Headers\u003c\/a\u003e \u003ca style=\"display: inline-block; background-color: #000; color: #fff; padding: 12px 25px; text-decoration: none; font-weight: bold; border-radius: 5px; margin: 8px;\" href=\"https:\/\/benzunitedparts.com\/products\/m273-v8-5-5l-custom-ecu-tuning-e550-clk550-cls550-sl550\"\u003e⚡ Shop Mercedes M273 ECU Tune\u003c\/a\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003e🚀 Why M273 Owners Choose This Kit\u003c\/h3\u003e\n\u003cp\u003eIt’s more than a replacement — it’s the \u003cstrong\u003eentry point into performance mods\u003c\/strong\u003e for the Mercedes M273 engine. Start with airflow, then add exhaust flow and tuning for a complete transformation.\u003c\/p\u003e\n\u003cp style=\"color: red; font-weight: bold; margin-top: 15px; text-align: center;\"\u003e⚠️ Kit includes 2 filters — the complete upgrade for one Mercedes M273 V8 vehicle.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-top: 20px; text-align: center;\"\u003e📦 In stock and ships within 1 business day — backed by K\u0026amp;N’s Million Mile Warranty.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45777406394543,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/81JTe11pXwL._AC_SL1500.jpg?v=1755076379"},{"product_id":"2-25-x-pipe-for-mercedes-na-replacement-for-secondary-cats","title":"2.25\" X-Pipe for Mercedes NA – Replacement for Secondary Cats","description":"\u003c!-- Shopify Product Description: 2.25\" X-Pipe (NA Platforms, 2nd-Cat Location, Weld-On) --\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 980px; margin: 0 auto; line-height: 1.55; color: #222;\"\u003e\n\u003c!-- Hero \/ Value Prop --\u003e\n\u003cdiv style=\"padding: 14px 0;\"\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003eOld-school principle, modern execution: a \u003cstrong\u003eforward-placed X-merge\u003c\/strong\u003e balances pulses, kills rasp, and frees top-end on naturally aspirated Benz engines. Sized \u003cstrong\u003edual 2.25\" I.D.\u003c\/strong\u003e and meant to be \u003cstrong\u003ewelded in where the 2nd cats live\u003c\/strong\u003e. Placement matters: \u003cem\u003eearlier = real scavenging; later = mostly sound change.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Fast bullets --\u003e\n\u003cul style=\"margin: 0 0 16px 18px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal gain where it counts:\u003c\/strong\u003e cleaner tone, reduced drone, stronger pull up top*\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect size:\u003c\/strong\u003e dual 2.25\" I.D. for NA \u003cstrong\u003eM112 \/ M113 \/ M272 \/ M273 \/ M276\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e \u003cspan title=\"OEM-style stainless\"\u003e409 stainless\u003c\/span\u003e — heat-cycle tough and weld-friendly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall:\u003c\/strong\u003e universal weld-on; place the X just after the collectors\/2nd-cat window\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport:\u003c\/strong\u003e ships in 1 business day • 1-Year replacement warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Quick Platform Guidance --\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin: 6px 0 16px;\"\u003e\n\u003c!-- M272 --\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 10px;\"\u003e\n\u003cstrong\u003eM272 V6 NA\u003c\/strong\u003e\n\u003cp style=\"margin: 6px 0 0;\"\u003eForward X at 2nd-cat spot = cleaner pulses, less rasp, better top-end.\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; font-size: 14px;\"\u003e\u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/m272-v6-custom-ecu-tuning-e25-e30-e35-l-c230-c280-c300-c350-slk280-slk300-slk350-e350-clk350-glk350-r350-ml350\"\u003e\u003cstrong\u003eTuning\u003c\/strong\u003e\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/mercedes-m272-m273-intake-manifold-air-flap-adjuster-repair-kit\"\u003eFlap Repair Kit\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/oem-mercedes-high-flow-induction-upgrade\"\u003eInduction Upgrade\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/k-n-high-flow-engine-air-filter-for-mercedes-e350-c350-c300-c320-33-2181\"\u003eK\u0026amp;N Filters\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- M273 --\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 10px;\"\u003e\n\u003cstrong\u003eM273 5.5L NA\u003c\/strong\u003e\n\u003cp style=\"margin: 6px 0 0;\"\u003eNew-gen V8 with flap manifold. 2nd-cat delete + forward X = freer top-end.\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; font-size: 14px;\"\u003e\u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/m273-v8-5-5l-custom-ecu-tuning-e550-clk550-cls550-sl550\"\u003e\u003cstrong\u003eTune (must-have)\u003c\/strong\u003e\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/mercedes-m272-m273-intake-manifold-air-flap-adjuster-repair-kit\"\u003eFlap Repair Kit\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/clk550-e550-cls550-sl550-mid-length-performance-headers-m273-v8-na\"\u003eHeaders\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/k-n-high-flow-engine-air-filter-for-mercedes-e350-c350-c300-c320-33-2181\"\u003eK\u0026amp;N Filters\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- M112 --\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 10px;\"\u003e\n\u003cstrong\u003eM112 V6 NA\u003c\/strong\u003e\n\u003cp style=\"margin: 6px 0 0;\"\u003eForward X balances banks, trims drone, and carries pull to redline.\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; font-size: 14px;\"\u003e\u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/c240-c32-c320-amg-shorty-headers-m112k-m112\"\u003eC240 \/ C320 Headers\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/m112-na-v6-custom-ecu-tuning\"\u003e\u003cstrong\u003eM112 Tuning\u003c\/strong\u003e\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/k-n-high-flow-engine-air-filter-for-mercedes-e350-c350-c300-c320-33-2181\"\u003eK\u0026amp;N Filters\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- M113 --\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 10px;\"\u003e\n\u003cstrong\u003eM113 5.0L NA\u003c\/strong\u003e\n\u003cp style=\"margin: 6px 0 0;\"\u003eForward X in 2nd-cat location = smoother pulses, zero boom, real top-end.\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; font-size: 14px;\"\u003e\u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/m113-v8-5-0l-custom-ecu-tuning-e500-clk500-cls500-sl500-s500-cl500\"\u003e\u003cstrong\u003eTuning\u003c\/strong\u003e\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"\/collections\/m113-headers\"\u003eHeaders\u003c\/a\u003e · \u003ca style=\"text-decoration: underline;\" href=\"https:\/\/benzunitedparts.com\/products\/k-n-high-flow-engine-air-filter-for-mercedes-e350-c350-c300-c320-33-2181\"\u003eK\u0026amp;N Filters\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Specs table --\u003e\n\u003ch3 style=\"font-size: 18px; margin: 6px 0;\"\u003eSpecs\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; font-size: 15px; margin: 6px 0 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; width: 34%;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e409 Stainless Steel (polished exterior)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDual 2.25\" I.D. (each side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eOverall Length \/ Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e~12\" length • ~6.5\" width (minor manufacturing variance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eInstall\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWeld-on; place just after collectors\/2nd-cat window for best scavenging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eUniversal dual systems; optimized for M112 • M113 • M272 • M273 • M276\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Micro FAQ \/ Guidance --\u003e\n\u003cdiv style=\"background: #f9f9f9; border: 1px solid #eee; padding: 10px; font-size: 14px; margin: 0 0 14px;\"\u003e\n\u003cstrong\u003eQuick guidance:\u003c\/strong\u003e keep pipe lengths similar into the X; earlier placement = hotter\/faster exhaust = stronger scavenging + cleaner tone. Ask your fabricator for back-purged TIG if available. \u003cem\u003e*Results vary by tune, condition, and overall system.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45808945037487,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/universal-exhaust-x-pipe-2-25in-dual-to-dual-hero.jpg?v=1755922127"},{"product_id":"duraflex-black-series-style-trunk-spoiler-mercedes-clk-w209-coupe-2003-2009","title":"Duraflex Black Series Style Trunk Spoiler – Mercedes CLK W209 Coupe (2003–2009)","description":"\u003cdiv class=\"rte\" style=\"max-width: 980px; margin: 0 auto;\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv style=\"border-radius: 16px; padding: 22px; background: linear-gradient(135deg,#0b0b0b,#1f1f1f); color: #fff;\"\u003e\n    \u003cp style=\"margin: 0 0 8px 0; font-weight: 800; letter-spacing: .4px; color: #d4af37;\"\u003e\n      W209 CLK Coupe • Black Series Style Rear Aero\n    \u003c\/p\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; line-height: 1.15; font-weight: 900;\"\u003e\n      Duraflex Black Series Look Trunk Spoiler (1-Piece) — Mercedes CLK W209 (2003–2009)\n    \u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0 0; color: #d1d5db; font-size: 15px;\"\u003e\n      Upgrade your rear profile with an aggressive, OEM+ inspired wing designed to match the W209’s lines and bring Black Series presence to your CLK.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- TRUST STRIP --\u003e\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px;\"\u003e\n    \u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eee; border-radius: 14px; padding: 14px;\"\u003e\n      \u003cstrong\u003e✅ Black Series Look\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#6b7280;\"\u003eAggressive rear styling upgrade\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\u003e✅ Paint-Ready Finish\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#6b7280;\"\u003ePrep \u0026amp; paint to match\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\u003e✅ 1-Piece Design\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#6b7280;\"\u003eClean, seamless look\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- INTRO --\u003e\n  \u003cdiv style=\"background:#fff; border:1px solid #eee; border-radius:16px; padding:18px; margin-top:14px;\"\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      Give your \u003cstrong\u003e2003–2009 Mercedes-Benz CLK W209 Coupe\u003c\/strong\u003e the rear-end presence it deserves. This\n      \u003cstrong\u003eDuraflex Black Series–style trunk spoiler\u003c\/strong\u003e is designed to deliver a sharper, more modern silhouette while staying true to the CLK’s factory body lines.\n    \u003c\/p\u003e\n    \u003cp style=\"margin:10px 0 0 0;\"\u003e\n      Whether you’re building a clean street car or going for a full exterior refresh, this spoiler adds a purposeful look with a subtle aerodynamic edge.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FEATURES GRID --\u003e\n  \u003cdiv style=\"margin-top:14px; background:#fff; border:1px solid #eee; border-radius:16px; padding:18px;\"\u003e\n    \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; font-weight:900;\"\u003eKey Features\u003c\/h2\u003e\n    \u003cdiv style=\"display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:12px;\"\u003e\n      \u003cdiv style=\"border:1px solid #f1f1f1; border-radius:14px; padding:14px; background:#fafafa;\"\u003e\n        \u003cstrong\u003eBlack Series Inspired Shape\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#6b7280;\"\u003eSporty, aggressive rear profile\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"border:1px solid #f1f1f1; border-radius:14px; padding:14px; background:#fafafa;\"\u003e\n        \u003cstrong\u003eLightweight Composite\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#6b7280;\"\u003eFiberglass\/plastic blend construction\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"border:1px solid #f1f1f1; border-radius:14px; padding:14px; background:#fafafa;\"\u003e\n        \u003cstrong\u003ePaint-Ready Surface\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#6b7280;\"\u003eBody shop prep recommended\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"border:1px solid #f1f1f1; border-radius:14px; padding:14px; background:#fafafa;\"\u003e\n        \u003cstrong\u003eHigh-Speed Stability\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#6b7280;\"\u003eAdds rear aero presence \u0026amp; balance\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003cdiv style=\"margin-top:14px; background:#fff; border:1px solid #eee; border-radius:16px; padding:18px;\"\u003e\n    \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; font-weight:900;\"\u003eFitment\u003c\/h2\u003e\n    \u003cul style=\"margin:0; padding-left:18px; line-height:1.75;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMercedes-Benz CLK W209 Coupe\u003c\/strong\u003e — \u003cstrong\u003e2003–2009\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"margin:10px 0 0 0; font-size:13px; color:#6b7280;\"\u003e\n      Fitment is intended for W209 \u003cstrong\u003eCoupe\u003c\/strong\u003e models. If you’re unsure, message us with your year\/model and we’ll confirm.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- INSTALL --\u003e\n  \u003cdiv style=\"margin-top:14px; background:#fff; border:1px solid #eee; border-radius:16px; padding:18px;\"\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:1.75;\"\u003e\n      \u003cli\u003eProfessional installation is strongly recommended for best alignment and finish\u003c\/li\u003e\n      \u003cli\u003eTypical process: test-fit → prep\/sand → paint → install\u003c\/li\u003e\n      \u003cli\u003eHardware\/adhesive may be required depending on your preferred mounting method\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"margin:10px 0 0 0; font-size:13px; color:#6b7280;\"\u003e\n      Note: Like most aftermarket aero, minor adjustment may be required during test-fit for perfect panel alignment.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHAT'S INCLUDED --\u003e\n  \u003cdiv style=\"margin-top:14px; background:#fff; border:1px solid #eee; border-radius:16px; padding:18px;\"\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:1.75;\"\u003e\n      \u003cli\u003eDuraflex Black Series Look Trunk Spoiler — \u003cstrong\u003e1 Piece\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"margin:10px 0 0 0; font-size:13px; color:#6b7280;\"\u003e\n      Reference: \u003cstrong\u003eDuraflex #109669\u003c\/strong\u003e\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- CTA --\u003e\n  \u003cdiv style=\"margin-top:16px; text-align:center;\"\u003e\n    \u003ca href=\"\/collections\/clk-w209-upgrades\" style=\"display:inline-block; background:#111; color:#fff; padding:12px 22px; border-radius:12px; text-decoration:none; font-weight:900; margin:6px;\"\u003e\n      🔧 Shop More CLK W209 Exterior Upgrades\n    \u003c\/a\u003e\n    \u003ca href=\"\/pages\/request-a-part\" style=\"display:inline-block; background:#4b5563; color:#fff; padding:12px 22px; border-radius:12px; text-decoration:none; font-weight:900; margin:6px;\"\u003e\n      📩 Need Help With Fitment?\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FOOTER NOTE --\u003e\n  \u003cp style=\"margin-top:18px; font-size:13px; color:#6b7280; text-align:center;\"\u003e\n    Images may show example installs. Actual product may vary slightly. Paint and installation are not included.\n  \u003c\/p\u003e\n\n\u003c\/div\u003e\n","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46539391140015,"sku":null,"price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/duraflex-black-series-trunk-spoiler-mercedes-clk-w209-installed.webp?v=1770175298"},{"product_id":"megan-racing-front-strut-tower-brace-bar-mercedes-benz-e-class-w211-2003-2009","title":"Megan Racing Front Strut Tower Brace Bar – Mercedes-Benz E-Class W211 (2003–2009)","description":"\u003cdiv style=\"max-width: 980px; margin: 0 auto;\" class=\"rte\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv style=\"border-radius: 16px; padding: 22px; background: linear-gradient(135deg,#0b0b0b,#1f1f1f); color: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-weight: 800; letter-spacing: .4px; color: #d4af37;\"\u003eChassis Rigidity • Sharper Steering • Better Cornering Feel\u003c\/p\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; line-height: 1.15; font-weight: 900;\"\u003eMegan Racing Front Race Spec Strut Tower Brace – W211 E-Class (2003–2009)\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0 0; color: #d1d5db; font-size: 15px;\"\u003eReduce front-end flex and tighten steering response with a direct bolt-on strut bar engineered for the Mercedes-Benz W211 chassis.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- TRUST STRIP --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eee; border-radius: 14px; padding: 14px;\"\u003e\n\u003cstrong\u003e✅ Noticeably Tighter Front End\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eHelps reduce chassis flex\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\u003e✅ Direct Bolt-On Fit\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eNo drilling or cutting\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\u003e✅ Lightweight Aluminum\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eStrength without added bulk\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px; margin-top: 14px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eThe \u003cstrong\u003eMegan Racing Front Race Spec Strut Bar\u003c\/strong\u003e is designed to connect the front strut towers on your \u003cstrong\u003eMercedes-Benz W211 E-Class\u003c\/strong\u003e, helping reduce flex under cornering and braking. The result is a more planted front end, improved steering precision, and cleaner turn-in—especially on lowered cars, sticky tires, or aggressive street\/track setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- BENEFITS GRID --\u003e\n\u003cdiv style=\"margin-top: 14px; background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; font-weight: 900;\"\u003eWhat You’ll Feel\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px;\"\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003eSharper Steering Response\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eMore immediate input and feedback\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003eReduced Front-End Flex\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eHelps stabilize the chassis under load\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003eBetter Cornering Confidence\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eMore consistent behavior through turns\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003ePairs Perfectly With Suspension Mods\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eGreat with coilovers, sway bars, and alignment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURES --\u003e\n\u003cdiv style=\"margin-top: 14px; background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; font-weight: 900;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.75;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Durable powder-coated finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose:\u003c\/strong\u003e Chassis reinforcement \/ strut tower bracing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall:\u003c\/strong\u003e Direct bolt-on (no cutting or welding)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e MR-SB-MBW211FU-1P\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- FITMENT --\u003e\n\u003cdiv style=\"margin-top: 14px; background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; font-weight: 900;\"\u003eFitment\u003c\/h2\u003e\n\u003cp style=\"margin: 0; color: #111;\"\u003e\u003cstrong\u003eMercedes-Benz E-Class W211 (2003–2009)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0 0; font-size: 13px; color: #6b7280;\"\u003eNote: \u003cstrong\u003eNot compatible with vehicles equipped with factory air suspension.\u003c\/strong\u003e If you’re unsure, message us with your VIN and we’ll confirm fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- INSTALL --\u003e\n\u003cdiv style=\"margin-top: 14px; background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px;\"\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: 1.75;\"\u003e\n\u003cli\u003eInstalls at the \u003cstrong\u003efront strut towers\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBasic hand tools recommended\u003c\/li\u003e\n\u003cli\u003eProfessional installation suggested for best results\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv style=\"margin-top: 18px; text-align: center;\"\u003e\u003ca style=\"display: inline-block; background: #111; color: #fff; padding: 14px 26px; border-radius: 12px; text-decoration: none; font-weight: 900;\" href=\"\/pages\/request-a-part\"\u003e 📩 Need Help Confirming Fitment? Message Us \u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin-top: 18px; font-size: 13px; color: #6b7280; text-align: center;\"\u003eDesigned to improve handling feel and chassis stability. Does not add horsepower—focuses on rigidity and driver confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46539928731823,"sku":null,"price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/megan-racing-front-strut-bar-mercedes-w211-e-class-2003-2009.webp?v=1770186074"},{"product_id":"afe-power-magnum-flow-pro-dry-s-air-filter-kit-mercedes-m273-v8-e550-clk550-s550-qty-2","title":"aFe Power Pro DRY S Air Filter Set for Mercedes M273 5.5L V8 E550 \/ CLK550","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #222; max-width: 900px; margin: 0 auto; padding: 20px;\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv style=\"background: #111; border-radius: 12px; padding: 16px 18px; margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0; text-align: center; color: #ffcc00; font-size: 14px;\"\u003eWashable \u0026amp; reusable • High-flow synthetic media • OEM-style fit\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT YOU GET --\u003e\n\u003cdiv style=\"border: 1px solid #e5e7eb; border-radius: 12px; padding: 14px; margin-bottom: 16px;\"\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\u003e\n\u003cstrong\u003e2 ×\u003c\/strong\u003e aFe Power Magnum FLOW Pro DRY S air filters (Pair)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- BENEFITS --\u003e\n\u003cdiv style=\"display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px;\"\u003e\n\u003cdiv style=\"flex: 1 1 240px; background: #111; color: #fff; border-radius: 12px; padding: 14px; border: 1px solid #2a2a2a;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #ffcc00; margin-bottom: 6px;\"\u003eOil-Free Pro DRY S Media\u003c\/div\u003e\n\u003cdiv style=\"color: #d1d5db; font-size: 14px;\"\u003eHigh-flow synthetic, oil-free filter media that delivers strong airflow without the mess of oiling.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; background: #111; color: #fff; border-radius: 12px; padding: 14px; border: 1px solid #2a2a2a;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #ffcc00; margin-bottom: 6px;\"\u003eHigh-Flow Performance\u003c\/div\u003e\n\u003cdiv style=\"color: #d1d5db; font-size: 14px;\"\u003eImproved airflow potential for better throttle response and more efficient engine breathing, without added noise or changes to daily drivability.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; background: #111; color: #fff; border-radius: 12px; padding: 14px; border: 1px solid #2a2a2a;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #ffcc00; margin-bottom: 6px;\"\u003eWashable \u0026amp; Reusable\u003c\/div\u003e\n\u003cdiv style=\"color: #d1d5db; font-size: 14px;\"\u003eDesigned to be cleaned and reused—long-term value compared to disposable paper filters, with consistent performance between services.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- COMPATIBILITY --\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 16px; margin-bottom: 18px;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px; font-size: 16px;\"\u003eCompatibility (Mercedes M273 V8)\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 10px; color: #4b5563; font-size: 14px;\"\u003eCommon applications include select models equipped with the \u003cstrong\u003eM273 5.5L V8\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; color: #111; font-size: 14px;\"\u003e\n\u003cli\u003eE550\u003c\/li\u003e\n\u003cli\u003eCLK550\u003c\/li\u003e\n\u003cli\u003eCLS550\u003c\/li\u003e\n\u003cli\u003eCL550\u003c\/li\u003e\n\u003cli\u003eS550\u003c\/li\u003e\n\u003cli\u003eR550\u003c\/li\u003e\n\u003cli\u003eSL550\u003c\/li\u003e\n\u003cli\u003eGL550\u003c\/li\u003e\n\u003cli\u003eML550\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 13px; color: #6b7280;\"\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e Please confirm your engine (M273) and compare your existing filter shape or part numbers before ordering. If you’re unsure, message us with your year, model, trim, or VIN and we’ll help confirm fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WHO THIS IS FOR --\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46540702089391,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/afe-magnum-flow-pro-dry-s-air-filters-mercedes-m273-v8.webp?v=1770197887"},{"product_id":"afe-power-pro-dry-s-air-filter-set-for-mercedes-m273-5-5l-v8-e550-clk550-copy","title":"aFe Power Magnum FLOW Pro 5R Air Filter Set for Mercedes M273 5.5L V8 E550 \/ CLK550","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #222; max-width: 900px; margin: 0 auto; padding: 20px;\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv style=\"background: #111; border-radius: 12px; padding: 16px 18px; margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0; text-align: center; color: #ffcc00; font-size: 14px;\"\u003eWashable \u0026amp; reusable • Pro 5R oiled cotton media • OEM-style fit\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT YOU GET --\u003e\n\u003cdiv style=\"border: 1px solid #e5e7eb; border-radius: 12px; padding: 14px; margin-bottom: 16px;\"\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\u003e\n\u003cstrong\u003e2 ×\u003c\/strong\u003e aFe Power Magnum FLOW Pro 5R air filters (Pair)\u003c\/li\u003e\n\u003cli\u003ePart Number: \u003cstrong\u003e30-10189\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- BENEFITS --\u003e\n\u003cdiv style=\"display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px;\"\u003e\n\u003cdiv style=\"flex: 1 1 240px; background: #111; color: #fff; border-radius: 12px; padding: 14px; border: 1px solid #2a2a2a;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #ffcc00; margin-bottom: 6px;\"\u003ePro 5R Oiled Cotton Media\u003c\/div\u003e\n\u003cdiv style=\"color: #d1d5db; font-size: 14px;\"\u003eFive-layer oiled cotton gauze media designed for maximum airflow while maintaining effective filtration.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; background: #111; color: #fff; border-radius: 12px; padding: 14px; border: 1px solid #2a2a2a;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #ffcc00; margin-bottom: 6px;\"\u003eHigh-Flow Performance\u003c\/div\u003e\n\u003cdiv style=\"color: #d1d5db; font-size: 14px;\"\u003eImproved airflow potential for sharper throttle response and more efficient engine breathing, while retaining factory drivability.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; background: #111; color: #fff; border-radius: 12px; padding: 14px; border: 1px solid #2a2a2a;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #ffcc00; margin-bottom: 6px;\"\u003eWashable \u0026amp; Reusable\u003c\/div\u003e\n\u003cdiv style=\"color: #d1d5db; font-size: 14px;\"\u003eClean, re-oil, and reuse for long-term value compared to disposable paper filters.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- COMPATIBILITY --\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 16px; margin-bottom: 18px;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px; font-size: 16px;\"\u003eCompatibility (Mercedes M273 V8)\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 10px; color: #4b5563; font-size: 14px;\"\u003eDesigned for select Mercedes-Benz models equipped with the \u003cstrong\u003eM273 5.5L V8\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; color: #111; font-size: 14px;\"\u003e\n\u003cli\u003eE550\u003c\/li\u003e\n\u003cli\u003eCLK550\u003c\/li\u003e\n\u003cli\u003eCLS550\u003c\/li\u003e\n\u003cli\u003eCL550\u003c\/li\u003e\n\u003cli\u003eS550\u003c\/li\u003e\n\u003cli\u003eR550\u003c\/li\u003e\n\u003cli\u003eSL550\u003c\/li\u003e\n\u003cli\u003eGL550\u003c\/li\u003e\n\u003cli\u003eML550\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 13px; color: #6b7280;\"\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e Please confirm your engine (M273) and compare your existing filter shape or part numbers before ordering. If you’re unsure, message us with your year, model, trim, or VIN and we’ll help confirm fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46551881318575,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/afe-pro-5r-air-filter-mercedes-m273-v8-30-10189.webp?v=1770722563"}],"url":"https:\/\/benzunitedparts.com\/collections\/m273-performance-parts-upgrades-for-mercedes-benz-e550-cls550-s550-sl550-cl550.oembed","provider":"BenzUnited Parts","version":"1.0","type":"link"}