{"title":"M274 2.0L Turbo — C300 \/ GLC300 \/ E300","description":"\u003cp\u003ePerformance parts for the Mercedes M274 2.0L Turbo — C300, GLC300, E300, SLC300. ECU tuning and bolt-ons.\u003c\/p\u003e","products":[{"product_id":"m274-i4-2-0l-turbo-custom-ecu-tuning","title":"2015-2021 Mercedes C300 ECU Tune GLC300 E300  – M274 2.0 Turbo","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: 1.7;\"\u003e\n\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cp style=\"font-size: 18px; font-weight: bold; color: #cc0000;\"\u003eReduced Backpressure • Faster Turbo Spool • Improved Throttle Response\u003c\/p\u003e\n\n\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003ciframe height=\"400\" style=\"border-radius: 10px; border: 1px solid #ddd; max-width: 720px; width: 100%;\" src=\"https:\/\/www.youtube.com\/embed\/YOUR_VIDEO_ID_HERE\" title=\"M276 Downpipes Sound\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size: 16px; line-height: 1.8; margin-top: 30px; text-align: center;\"\u003e\nThese catless downpipes replace the restrictive factory catalytic converters on M276 engines. By reducing exhaust backpressure, they allow the turbos to spool more efficiently, improving throttle response and mid-range torque while maintaining full compatibility with factory engine management systems.\n\u003c\/p\u003e\n\n\u003c!-- Cross-sell to Tuning --\u003e\n\u003cdiv style=\"background-color: #fef6f0; border: 2px solid #e67e22; border-radius: 8px; padding: 18px; margin-top: 20px; text-align: center;\"\u003e\n\u003ch3 style=\"color: #d35400; margin: 0 0 10px;\"\u003eWant Maximum Performance?\u003c\/h3\u003e\n\u003cstrong\u003ePair these downpipes with our M276 ECU calibration for the best results and to clear any fault codes.\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #2c3e50; margin-top: 30px;\"\u003eKey Technical Benefits\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; color: #555; padding-left: 20px; line-height: 1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Exhaust Backpressure\u003c\/strong\u003e — Allows exhaust gases to exit more freely, improving turbo efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster Turbo Spool\u003c\/strong\u003e — Lower restriction enables quicker turbo response under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Throttle Response\u003c\/strong\u003e — More direct power delivery with less delay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Exhaust Flow\u003c\/strong\u003e — Supports higher boost levels when paired with proper tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Bolt-On Fitment\u003c\/strong\u003e — No modifications required on supported vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #2c3e50; margin-top: 30px;\"\u003eWhy Buy From BenzUnited Parts\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; color: #555; padding-left: 20px; line-height: 1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal OEM-Grade Construction\u003c\/strong\u003e — 304 stainless steel with precision TIG welding and CNC-machined flanges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvery Unit Tested\u003c\/strong\u003e — Fitment and function verified before shipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProper Fitment Information\u003c\/strong\u003e — Clear compatibility listed for each chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-Day Return Policy\u003c\/strong\u003e — Covers defective or incorrectly described parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #2c3e50; margin-top: 30px;\"\u003eCompatibility – M276 Engines\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 16px; color: #555;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f0f0f0; color: #2c3e50;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eChassis\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eC43 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2017–2023\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eW205 \/ C205\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eE43 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2017–2020\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eW213\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSLC43 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2017–2020\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eR172\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGLC43 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2017–2023\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eX253\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cdiv style=\"background-color: #2c3e50; color: white; padding: 20px; border-radius: 8px; text-align: center; margin-top: 30px;\"\u003e\n\u003ch3 style=\"font-size: 20px; margin: 0;\"\u003eReady to Improve Exhaust Flow?\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-top: 10px;\"\u003eThese downpipes are designed for serious builds that need better turbo response and flow.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"text-align: center; font-size: 14px; color: #888; margin-top: 20px;\"\u003e\nQuestions? Email us at \u003ca href=\"mailto:benzunitedparts@gmail.com?subject=M276%20Downpipes\" style=\"color: #2980b9;\"\u003ebenzunitedparts@gmail.com\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"No \/ No","offer_id":47159244128431,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes","offer_id":47159244357807,"sku":null,"price":1065.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No","offer_id":47159244161199,"sku":null,"price":1399.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes","offer_id":47159244390575,"sku":null,"price":1465.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m274-mercedes-ecu-tuning-glc300-c300-e300.jpg?v=1742985394"},{"product_id":"2015-2023-mercedes-c300-catless-downpipes-m274-2-0l","title":"M274 Catless Downpipe for Mercedes C300 \/ E300 \/ GLC300 (W205 \/ W213 \/ X253) 2015–2021","description":"\u003cdiv style=\"max-width: 1000px; margin: 0 auto; padding: 22px; font-family: ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color: #111; line-height: 1.6;\"\u003e\n\u003c!-- Fitment Badge --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; padding: 14px 16px; border: 1px solid #eaeaea; border-radius: 14px; background: #fafafa; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"font-weight: 800;\"\u003eM274 Catless Downpipe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #444;\"\u003e\n\u003cstrong\u003eC300 \/ E300 \/ GLC300\u003c\/strong\u003e • M274 2.0L Turbo • 2015–2021\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Title --\u003e\n\u003ch2 style=\"margin: 0 0 8px 0; font-size: 22px; letter-spacing: -0.3px;\"\u003e\u003cspan style=\"display: block; font-size: 15px; color: #555; font-weight: 500; margin-top: 4px;\"\u003eOne of the easiest and most effective ways to make real power on the common M274 platform.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 14px 0; color: #333;\"\u003eThe factory catalytic converter on the M274 2.0L turbo is a major restriction right after the turbo. This high-flow catless downpipe removes that bottleneck for noticeably quicker spool, sharper throttle response, stronger mid-range torque, and a more aggressive turbo sound — all while remaining daily-drivable.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; color: #444; background: #f8f8f8; padding: 12px 16px; border-radius: 10px;\"\u003e\u003cstrong\u003ePerfect for the C300 owner who wants big gains without complexity.\u003c\/strong\u003e Most customers see excellent results when paired with a JB4, ECU reflash, diverter valve, and high-flow filter.\u003c\/p\u003e\n\u003c!-- Video --\u003e\n\u003cdiv style=\"background: #333; padding: 15px; border-radius: 10px; margin-bottom: 25px;\"\u003e\n\u003ch3 style=\"color: #ffcc00; text-align: center;\"\u003e🎧 Real Sound \u0026amp; Spool\u003c\/h3\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; margin-top: 15px; border-radius: 10px;\"\u003e\u003ciframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\" title=\"Mercedes M274 Downpipe Sound\" src=\"https:\/\/www.youtube.com\/embed\/j7nIKh4l6pk\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Benefits --\u003e\n\u003ch3 style=\"margin: 18px 0 8px 0; font-size: 16px;\"\u003eWhy C300 Owners Love This Downpipe\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 14px 18px; padding: 0; color: #333;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuicker turbo spool \u0026amp; sharper throttle\u003c\/strong\u003e — huge improvement in response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger mid-range torque\u003c\/strong\u003e — makes the C300 feel much quicker in everyday driving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive turbo sound\u003c\/strong\u003e — noticeable whoosh, spool, and pops \u0026amp; bangs with tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne of the easiest power mods\u003c\/strong\u003e on the M274 platform\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Cross-Sell CTA --\u003e\n\u003cdiv style=\"background: #1e1e1e; color: #e8e8e8; border-left: 4px solid #ffcc00; border-radius: 10px; padding: 16px; margin: 18px 0;\"\u003e\n\u003cdiv style=\"font-weight: 900; font-size: 16px; margin-bottom: 8px;\"\u003eBuild Real Power on Your C300\u003c\/div\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003ePair this downpipe with our JB4 tuner, ECU reflash, diverter valve, and high-flow filter for the easiest and most effective power upgrade on the M274 engine.\u003c\/p\u003e\n\u003ca style=\"display: inline-block; background: #ffcc00; color: #000; padding: 12px 24px; border-radius: 8px; font-weight: bold; text-decoration: none;\" href=\"\/products\/jb4-tuner-m274-c300\"\u003eShop JB4 Tuner + Supporting Mods →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- Compatibility --\u003e\n\u003cdiv style=\"background: #fff; padding: 20px; border-radius: 10px; margin-top: 25px; border: 1px solid #ddd;\"\u003e\n\u003ch2 style=\"text-align: center; color: #1a1a1a;\"\u003e⚙️ Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #eee;\"\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;\"\u003eC300\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eW205 \/ C205 \/ A205\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2015–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eE300\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eW213\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2017–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eGLC300\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eX253\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center; font-size: 13px; color: #666; margin-top: 12px;\"\u003eFWD \u0026amp; 4Matic models supported. Professional installation recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Important Notice --\u003e\n\u003cdiv style=\"background: #ffeded; border: 1px solid #f5c2c7; border-radius: 14px; padding: 16px; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 6px; color: #cc0000; font-size: 18px;\"\u003eImportant Use Notice\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #7a1c1c;\"\u003eThis product is intended for off-road or competition use only. It may trigger a check engine light without proper tuning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #666; text-align: center; margin-top: 20px;\"\u003eShips from USA • Secure checkout • Fitment guaranteed\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45772834439343,"sku":null,"price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/mercedes-c300-m274-downpipe-exhaust-sound-tuning.jpg?v=1770484996"},{"product_id":"dv-t9358-diverter-valve-for-select-mercedes","title":"Mercedes M274 C300 \/ E300 \/ GLC300 Diverter Valve Upgrade | GFB DV+ T9358","description":"\u003cp\u003eThe \u003cstrong\u003eGFB DV+ T9358\u003c\/strong\u003e is a direct-fit diverter valve upgrade for \u003cstrong\u003eMercedes M274 engines (C300, E300, GLC300)\u003c\/strong\u003e. It replaces the failure-prone factory internals with a billet aluminum body and brass piston while retaining the OEM solenoid for factory ECU control — giving you sharper throttle response, faster boost recovery, and consistent boost pressure. Ideal for daily-driven or lightly tuned vehicles. Part number T9358.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSharper throttle response\u003c\/li\u003e\n\u003cli\u003eImproved boost recovery between shifts\u003c\/li\u003e\n\u003cli\u003eEliminates common factory boost leaks\u003c\/li\u003e\n\u003cli\u003eOEM solenoid retained\u003c\/li\u003e\n\u003cli\u003eBillet aluminum \u0026amp; brass piston construction\u003c\/li\u003e\n\u003cli\u003eNo tuning or resistors required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment Compatibility (U.S. Market)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eC300 (M274)\u003c\/td\u003e\n\u003ctd\u003e2015–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE300 (M274)\u003c\/td\u003e\n\u003ctd\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLC300 (M274)\u003c\/td\u003e\n\u003ctd\u003e2016–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAlways verify engine code and factory diverter configuration before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Upgrade the Factory M274 Diverter Valve?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFactory valves use plastic internals that can leak under sustained boost.\u003c\/li\u003e\n\u003cli\u003eDV+ replaces only the weak components — no spacers or adapters.\u003c\/li\u003e\n\u003cli\u003ePilot-actuated design responds progressively to boost pressure.\u003c\/li\u003e\n\u003cli\u003eHelps reduce turbo flutter and compressor surge under lift.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnlike spacer-style solutions, the DV+ improves sealing and response while preserving factory drivability and ECU logic.\u003c\/p\u003e\n\n\u003ch3\u003eWhat You'll Notice on the Road\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMore immediate throttle response\u003c\/li\u003e\n\u003cli\u003eSmoother, more consistent acceleration\u003c\/li\u003e\n\u003cli\u003eMore stable boost on stock or Stage 1 tunes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e T9358\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Platform:\u003c\/strong\u003e Mercedes M274\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Billet aluminum body, brass piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall:\u003c\/strong\u003e Direct replacement for the factory diverter assembly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46396324020399,"sku":null,"price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/gfb-dv-plus-t9358-mercedes-m274-diverter-valve.jpg?v=1765762868"},{"product_id":"w205-c300-stage-2-bundle-catless-downpipes-custom-ecu-tune","title":"C300 E300 GLC300 M274 Catless Downpipe + Stage 2 Tune Bundle | W205 W213 X253","description":"\u003cdiv style=\"font-family: inherit; line-height: 1.6; color: #2c2c2c; max-width: 100%; margin: 0 auto; padding: 20px 12px; letter-spacing: normal;\"\u003e\n\u003c!-- Vivid, benefit-first hook – short for mobile --\u003e\n\u003cp style=\"font-size: 18px; font-weight: 600; color: #111; margin: 0 0 24px; text-align: center;\"\u003eSick of your C300\/E300\/GLC300 feeling underpowered?\u003cbr\u003eGet instant throttle snap, massive mid-range torque, and turbo whoosh + pops — all reliable, CEL-free.\u003cbr\u003eStage 2+ bundle: Up to \u003cspan style=\"color: #0ea5e9;\"\u003e320 HP \/ 340 TQ\u003c\/span\u003e on pump gas.\u003c\/p\u003e\n\u003c!-- Quick value teaser – high contrast, compact --\u003e\n\u003cdiv style=\"background: #f8f9fa; border-radius: 10px; padding: 16px; margin-bottom: 28px; text-align: center; border: 1px solid #e0e0e0;\"\u003e\n\u003ch3 style=\"margin: 0 0 8px; font-size: 18px; color: #0ea5e9;\"\u003eBest Bang for the Buck\u003c\/h3\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eBolt-on + remote custom tune = huge gains, no shop time. Proven on real M274 cars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Bundle includes – pills with more padding for tap targets --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch2 style=\"font-size: 20px; margin: 0 0 16px; color: #0ea5e9; text-align: center;\"\u003eWhat's in the Bundle\u003c\/h2\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;\"\u003e\n\u003cli style=\"background: #ffffff; padding: 10px 18px; border-radius: 999px; border: 1px solid #0ea5e9; box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 14px;\"\u003eCatless downpipe (T304 SS, bolt-on)\u003c\/li\u003e\n\u003cli style=\"background: #ffffff; padding: 10px 18px; border-radius: 999px; border: 1px solid #0ea5e9; box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 14px;\"\u003eCustom remote ECU tune (no CEL, 91\/93 maps)\u003c\/li\u003e\n\u003cli style=\"background: #ffffff; padding: 10px 18px; border-radius: 999px; border: 1px solid #0ea5e9; box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 14px;\"\u003eOBD2-to-USB flashing cable\u003c\/li\u003e\n\u003cli style=\"background: #ffffff; padding: 10px 18px; border-radius: 999px; border: 1px solid #0ea5e9; box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 14px;\"\u003eGuides + lifetime support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Gains – punchy, benefit-led bullets --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch2 style=\"font-size: 20px; margin: 0 0 16px; color: #0ea5e9; text-align: center;\"\u003eWhat You'll Feel\u003c\/h2\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;\"\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003eUp to \u003cstrong\u003e320 HP \/ 340 TQ\u003c\/strong\u003e crank\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003e+45–80 hp \/ +60–100 lb-ft gains\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003eLightning throttle + fast spool ⚡\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003eThroatier exhaust, low drone\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003ePops \u0026amp; bangs on overrun (opt.)\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003eHome flash in 30–60 min\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment table – simplified for mobile (scrolls horizontally if needed, but fits most phones) --\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003ch2 style=\"font-size: 20px; margin: 0 0 16px; color: #0ea5e9; text-align: center;\"\u003eFitment\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; border-radius: 10px; border: 1px solid #e0e0e0;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 320px; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 12px; 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-top: 1px solid #e0e0e0;\"\u003eC300 (W205)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-top: 1px solid #e0e0e0;\"\u003e2015–2021\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-top: 1px solid #e0e0e0;\"\u003eM274 2.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px;\"\u003eE300 (W213)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e2016–2021\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eM274 2.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px;\"\u003eGLC300 \/ 4MATIC (X253)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e2016–2022\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eM274 2.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #666; text-align: center; margin: 12px 0 0;\"\u003eU.S.-spec M274 only. Confirm engine code \u0026amp; exhaust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Strong CTA + disclaimers --\u003e\n\u003cdiv style=\"text-align: center; margin: 32px 0 20px;\"\u003e\n\u003cp style=\"font-size: 13px; color: #555; font-style: italic; margin: 0;\"\u003ePro install \u0026amp; dyno check advised. Gains vary. Off-road\/race use only in strict emissions areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46694164103343,"sku":null,"price":1795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m274-stage-2-bundle-c300-e300-glc300-catless-downpipe-ecu-tune-k_n-filter-dv-plus.jpg?v=1774210160"}],"url":"https:\/\/benzunitedparts.com\/collections\/m274-2-0l-turbo-c300-glc300-e300.oembed","provider":"BenzUnited Parts","version":"1.0","type":"link"}