{"title":"Mercedes M272 \u0026 M273 — Runner Flap Repair, Induction \u0026 ECU Tuning","description":"\u003cp\u003eParts for the Mercedes \u003cstrong\u003eM272 3.5L V6\u003c\/strong\u003e and \u003cstrong\u003eM273 5.5L V8\u003c\/strong\u003e — two engines that share the same well-known intake manifold weak point.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#fff8e1;border-left:4px solid #f0b429;border-radius:8px;padding:16px;margin:18px 0;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cstrong\u003eThrowing P2004, P2005 or P2006?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eThat's the intake manifold runner flap actuator — a small plastic linkage that fails on both the M272 and M273, causing rough idle, lost low-end power and a check engine light. If your flaps still move freely, the \u003cstrong\u003eair flap adjuster repair kit\u003c\/strong\u003e below is the cheaper and more sensible fix.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eAlso here: custom ECU tuning for both platforms, high-flow drop-in air filters from K\u0026amp;N and aFe, X-pipes, and long-tube headers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eM272 models:\u003c\/strong\u003e C230 · C280 · C300 · C350 · CLK350 · E350 · GLK350 · SLK350\u003cbr\u003e\n\u003cstrong\u003eM273 models:\u003c\/strong\u003e E550 · CLS550 · S550 · SL550 · CL550 · CLK550\u003c\/p\u003e","products":[{"product_id":"mercedes-throttle-body-a2731410325","title":"2731410325 OEM Mercedes Throttle Body Actuator – E550 CLS550 S550","description":"\u003cdiv style=\"max-width: 920px; margin: 0 auto; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; line-height: 1.75; color: #222; padding: 20px 15px;\"\u003e\n\u003cp style=\"font-size: 16.5px; color: #333; margin-bottom: 28px;\"\u003eRestore smooth throttle response and eliminate limp mode with this genuine Mercedes-Benz throttle body actuator for M273 V8 engines. Direct plug-and-play replacement for part #2731410325.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 800; margin: 32px 0 14px;\"\u003eWhat This Fixes\u003c\/h2\u003e\n\u003cul style=\"padding-left: 22px; margin-bottom: 28px; line-height: 1.8;\"\u003e\n\u003cli\u003eLimp mode or sudden loss of 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, P2135, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 800; margin: 32px 0 14px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"padding-left: 22px; margin-bottom: 28px; line-height: 1.8;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Mercedes-Benz OEM part\u003c\/strong\u003e (#2731410325)\u003c\/li\u003e\n\u003cli\u003eFully tested and verified working before shipping\u003c\/li\u003e\n\u003cli\u003eDirect plug-and-play installation — no coding required 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: 800; margin: 32px 0 14px;\"\u003eVehicle Compatibility – M273 V8\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 16px 0px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f8f8f8;\"\u003e\n\u003cth style=\"padding: 12px 10px; border: 1px solid #ddd; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 12px 10px; border: 1px solid #ddd; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 12px 10px; 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 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eE550 \/ CLS550\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2007–2011\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e5.5L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eS550 \/ CL550\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2007–2011\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e5.5L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eML550 \/ GL550\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2008–2012\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e5.5L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eG550\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2010–2014\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e5.5L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eGL450\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2007–2012\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e4.7L M273 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background: #f8f9fa; border: 1px solid #eee; border-radius: 10px; padding: 20px; margin: 32px 0;\"\u003e\n\u003ch2 style=\"font-size: 19px; font-weight: bold; margin: 0 0 12px;\"\u003eWhy Buy From BenzUnited Parts\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; margin: 0; line-height: 1.8;\"\u003e\n\u003cli\u003eReal OEM Mercedes parts only — never aftermarket\u003c\/li\u003e\n\u003cli\u003eEvery unit is fully tested and verified working before shipping\u003c\/li\u003e\n\u003cli\u003eFast USA shipping with tracking\u003c\/li\u003e\n\u003cli\u003e30-day return policy if the part is defective or not as described\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Final CTA --\u003e\n\u003cdiv style=\"text-align: center; margin: 40px 0 10px;\"\u003e\n\u003cp style=\"font-size: 18px; font-weight: 600; margin-bottom: 8px;\"\u003eRestore smooth throttle response with this OEM part.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; color: #555;\"\u003eTested and ready to install.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":43034818609327,"sku":"2731410325","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m273-throttle-body-e550-cls550-used.jpg?v=1781171316"},{"product_id":"clk550-e550-cls550-sl550-mid-length-performance-headers-m273-v8-na","title":"Mid-length Headers for Mercedes E550 CLK550 CLS550 SL550 M273 V8 NA","description":"\u003cp\u003eTransform your Mercedes-Benz M273 V8 with our \u003cstrong\u003ehigh-flow mid-length performance headers\u003c\/strong\u003e. Engineered to cut backpressure and maximize airflow, they unlock more horsepower and torque and a deeper, more aggressive exhaust note — a dyno-proven \u003cstrong\u003e+38 hp and +39 lb-ft\u003c\/strong\u003e. Fits the naturally aspirated M273 V8 in the E550, CLS550, SL550, CLK550, S550, and CL550.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-flow design:\u003c\/strong\u003e reduced exhaust restriction for maximum gains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDyno-proven power:\u003c\/strong\u003e +38 hp and +39 lb-ft of torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced exhaust tone:\u003c\/strong\u003e deeper, throatier sound under throttle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized piping:\u003c\/strong\u003e wide diameter balancing top-end power and torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal fitment:\u003c\/strong\u003e works with both LHD and RHD models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-inch outlet pipe:\u003c\/strong\u003e large outlet for maximum flow and easy exhaust connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\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\u003eSL550\u003c\/td\u003e\n\u003ctd\u003eM273 V8\u003c\/td\u003e\n\u003ctd\u003e2007–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCLS550\u003c\/td\u003e\n\u003ctd\u003eM273 V8\u003c\/td\u003e\n\u003ctd\u003e2007–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCLK550\u003c\/td\u003e\n\u003ctd\u003eM273 V8\u003c\/td\u003e\n\u003ctd\u003e2007–2009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE550\u003c\/td\u003e\n\u003ctd\u003eM273 V8\u003c\/td\u003e\n\u003ctd\u003e2006–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS550\u003c\/td\u003e\n\u003ctd\u003eM273 V8\u003c\/td\u003e\n\u003ctd\u003e2007–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCL550\u003c\/td\u003e\n\u003ctd\u003eM273 V8\u003c\/td\u003e\n\u003ctd\u003e2007–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eChoose Your Option\u003c\/h3\u003e\n\u003cp\u003eUse the option selector above:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeaders only:\u003c\/strong\u003e the mid-length headers with mid-pipes, ready to install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeaders + OEM gaskets \u0026amp; studs (+$180):\u003c\/strong\u003e we include fresh OEM exhaust gaskets and studs so you're not chasing down hardware separately mid-install. If you're doing this job once and doing it right, add the gasket set — reusing old gaskets on a header swap is a common source of leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch3\u003eComplete the Build\u003c\/h3\u003e\n\u003cp\u003eHeaders are the single biggest breathing upgrade on the naturally aspirated M273 — but the factory ECU doesn't know they're there. A \u003cstrong\u003ecustom M273 tune adjusts timing and fueling to the improved exhaust flow\u003c\/strong\u003e, squeezing out the rest of the power the headers make possible and sharpening throttle response. Headers deliver on their own; headers plus a tune deliver the full number.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/benzunitedparts.com\/products\/m273-v8-5-5l-custom-ecu-tuning-e550-clk550-cls550-sl550\"\u003eAdd a custom M273 ECU tune →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBuilding a full M273 setup? Send us your VIN and goals and we'll map the smartest order.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy from BenzUnited\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrusted by performance tuners and Mercedes enthusiasts.\u003c\/li\u003e\n\u003cli\u003eFast shipping, responsive support, and fitment help.\u003c\/li\u003e\n\u003cli\u003eRare and high-performance Mercedes parts sourced with precision.\u003c\/li\u003e\n\u003c\/ul\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 specialists:\u003c\/strong\u003e we focus exclusively on Mercedes platforms — you're working with people who know the M273 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=M273%20Headers%20Fitment%20Help\"\u003eConfirm fitment or ask a question →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eFor off-road and racing use only. Not legal for highway use in emissions-restricted states. Professional installation with welding is required. Ships within 1–2 business days, packaged securely.\u003c\/em\u003e\u003c\/p\u003e","brand":"BenzUnited Parts","offers":[{"title":"No","offer_id":47103936168111,"sku":"HDR-M273-NOGASKET","price":949.0,"currency_code":"USD","in_stock":true},{"title":"Yes","offer_id":47103936200879,"sku":"HDR-M273-WITHGASKET","price":1129.0,"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":"mercedes-m272-ecu-tuning-c300-e350-c350-clk350-c230","title":"Mercedes M272 ECU Tuning – C300 E350 C350 CLK350 C230 Performance Reflash","description":"\u003cdiv style=\"font-family: Arial, sans-serif; background-color: #f5f5f5; padding: 25px; color: #1a1a1a; max-width: 900px; margin: auto; line-height: 1.65;\"\u003e\n\u003cp style=\"text-align: center; font-size: 19px; font-weight: bold; color: #1a1a1a;\"\u003eDrawing from the same calibration expertise that has unlocked world-record power on the planet’s most extreme hypercar engines, we deliver a bespoke reflash for your Mercedes M272 3.0L or 3.5L V6.\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-size: 16px; color: #444; max-width: 740px; margin: 20px auto;\"\u003eThis is not a generic map. Every file is developed specifically for your build, fuel, and driving preferences — transforming the smooth, reliable M272 into a sharper, more responsive engine while preserving the refinement Mercedes owners expect.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/mercedes-e350-track-day-m272-tuned-performance.jpg?v=1784798119\" alt=\"Mercedes E350 testing ECU tune on track\"\u003e\u003c\/div\u003e\n\u003chr style=\"margin: 30px 0; border-color: #ddd;\"\u003e\n\u003ch2 style=\"color: #333; text-align: center;\"\u003e📈 Measured Performance Gains\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #fff; border: 1px solid #ddd; border-radius: 8px; padding: 25px; text-align: center; margin: 20px auto; max-width: 650px;\"\u003e\n\u003cp style=\"font-size: 21px; margin: 0 0 10px 0;\"\u003e\u003cstrong\u003eUp to +32 HP and +27 lb-ft\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; color: #555; margin: 0;\"\u003e(Gains vary with fuel octane and supporting modifications. Optimized for 91 \/ 93 octane.)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul style=\"font-size: 17px; color: #222; padding-left: 25px; line-height: 1.85;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom throttle mapping\u003c\/strong\u003e — calibrated precisely to your taste: refined daily comfort or immediate, sport-oriented sharpness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger mid-range punch\u003c\/strong\u003e with linear, predictable power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional exhaust burbles\u003c\/strong\u003e — subtle, moderate, or off — adjusted to your preference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-map capability\u003c\/strong\u003e — up to 3 fuel-specific maps (91\/93 octane) for flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetained factory safety protocols\u003c\/strong\u003e — knock, thermal, and emissions protections remain fully active\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-size: 15px; color: #444; margin-top: 25px;\"\u003eProven over thousands of real-world miles on our own tuned E350 — including sustained highway efficiency and stable high-speed testing. This calibration philosophy mirrors the meticulous approach I take when developing maps for engines that must deliver both extreme output and absolute reliability.\u003c\/p\u003e\n\u003chr style=\"margin: 30px 0; border-color: #ddd;\"\u003e\n\u003ch2 style=\"color: #333;\"\u003e🚚 How It Works\u003c\/h2\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #ddd; border-radius: 8px; padding: 20px; margin: 20px 0;\"\u003e\n\u003cp\u003e\u003cstrong\u003eService Only (Bench Flash) – $700\u003c\/strong\u003e\u003cbr\u003eShip your ECU to us. We personally read, calibrate, and bench-flash it with your chosen settings: custom throttle, optional burbles, and up to 3 fuel maps. Returned ready to install. Ideal for owners seeking the most direct, uncompromising result.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 30px 0; border-color: #ddd;\"\u003e\n\u003ch2 style=\"color: #333;\"\u003e🚘 Compatible Models (M272 V6)\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 25px; justify-content: center;\"\u003e\n\u003cul style=\"flex: 1; min-width: 220px; font-size: 16px; line-height: 1.75;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eC230\u003c\/strong\u003e – 2006–2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC280\u003c\/strong\u003e – 2006–2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC300\u003c\/strong\u003e – 2008–2014\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC350\u003c\/strong\u003e – 2006–2014\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLK350\u003c\/strong\u003e – 2006–2009\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"flex: 1; min-width: 220px; font-size: 16px; line-height: 1.75;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eE350\u003c\/strong\u003e – 2006–2016\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eML350\u003c\/strong\u003e – 2006–2015\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR350\u003c\/strong\u003e – 2006–2013\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSLK280 \/ SLK300 \/ SLK350\u003c\/strong\u003e – 2005–2011\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 30px 0; border-color: #ddd;\"\u003e\n\u003ch2 style=\"color: #333;\"\u003e💬 From Owners I’ve Tuned\u003c\/h2\u003e\n\u003cblockquote style=\"border-left: 5px solid #990000; padding-left: 20px; font-style: italic; color: #333; margin: 20px 0;\"\u003e“This isn’t a generic flash. It feels like the car was built specifically for how I drive — responsive when I want it, smooth and refined when I don’t.”\u003c\/blockquote\u003e\n\u003cblockquote style=\"border-left: 5px solid #990000; padding-left: 20px; font-style: italic; color: #333; margin: 20px 0;\"\u003e“Never expected my E350 to feel this alive. The mid-range is noticeably stronger, and the calibration quality is evident in every drive. Worth every penny.”\u003c\/blockquote\u003e\n\u003chr style=\"margin: 30px 0; border-color: #ddd;\"\u003e\n\u003cp style=\"text-align: center; font-size: 17px; font-weight: bold; color: #1a1a1a; margin: 35px 0 15px 0;\"\u003eFor Mercedes owners who demand both elevated performance and uncompromising refinement, this is tuning executed at the highest level.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp style=\"text-align: center; font-size: 15px; color: #666;\"\u003eQuestions about your specific vehicle or build? \u003ca href=\"\/pages\/contact\" style=\"color: #990000;\"\u003eContact us directly\u003c\/a\u003e — We review every inquiry personally.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45838201749679,"sku":"BU-M272-TUNE","price":700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/M272-Engine-Performance-ECU-Tuning.webp?v=1784797826"},{"product_id":"mercedes-m272-m273-intake-manifold-air-flap-adjuster-repair-kit","title":"Mercedes M272 \u0026 M273 Intake Manifold Air Flap Adjuster Repair Kit – Fixes P2004 P2005 P2006","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333;\"\u003e\n\u003ch2 style=\"margin-bottom: 10px;\"\u003eMercedes M272 Intake Manifold Flap Adjuster Repair Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 2721402401\u003cbr\u003eEngine Code: \u003cstrong\u003eM272\u003c\/strong\u003e (V6)\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003e💡 Save Thousands on Dealer Repairs\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eM272 Intake Manifold Flap Adjuster Repair Kit\u003c\/strong\u003e restores smooth engine performance without replacing the entire manifold. Common symptoms like \u003cstrong\u003erough idle, loss of power, or check engine codes P2004, P2005, P2006\u003c\/strong\u003e can be resolved quickly and affordably.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003e✅ Why This Kit is the Smart Choice\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e Designed exclusively for Mercedes M272 V6 engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Resistant to heat, wear, and constant movement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eError Code Fix:\u003c\/strong\u003e Eliminates intake flap adjuster CEL issues (P2004, P2005, P2006)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective:\u003c\/strong\u003e Avoids replacing a $1,500+ intake manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY-Friendly:\u003c\/strong\u003e Simple installation without full intake removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003e📦 Compatible Mercedes Models (M272 V6)\u003c\/h3\u003e\n\u003ctable border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 10px; background-color: #f2f2f2;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; background-color: #f2f2f2;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 10px; background-color: #f2f2f2;\"\u003eChassis\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eC230 \/ C280 \/ C300 \/ C350\u003c\/td\u003e\n\u003ctd\u003e2006–2012\u003c\/td\u003e\n\u003ctd\u003eW203 \/ W204\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eE350\u003c\/td\u003e\n\u003ctd\u003e2006–2010\u003c\/td\u003e\n\u003ctd\u003eW211 \/ W212\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eCLK350\u003c\/td\u003e\n\u003ctd\u003e2006–2009\u003c\/td\u003e\n\u003ctd\u003eC209\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eGLK350\u003c\/td\u003e\n\u003ctd\u003e2010–2012\u003c\/td\u003e\n\u003ctd\u003eX204\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eML350 \/ ML450\u003c\/td\u003e\n\u003ctd\u003e2010–2011\u003c\/td\u003e\n\u003ctd\u003eW164\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eR350\u003c\/td\u003e\n\u003ctd\u003e2006–2011\u003c\/td\u003e\n\u003ctd\u003eW251\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSLK280 \/ SLK300 \/ SLK350\u003c\/td\u003e\n\u003ctd\u003e2005–2011\u003c\/td\u003e\n\u003ctd\u003eR171\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSprinter 2500 (Gas)\u003c\/td\u003e\n\u003ctd\u003e2007–2008\u003c\/td\u003e\n\u003ctd\u003e906\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eFreightliner Sprinter 2500\u003c\/td\u003e\n\u003ctd\u003e2007–2008\u003c\/td\u003e\n\u003ctd\u003e906\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🔧 Kit Details\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2721402401\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Mercedes M272 V6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New \/ OEM-Equivalent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e Failed intake manifold flap adjuster mechanism\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"color: red; font-weight: bold; margin-top: 15px;\"\u003e🔥 In Stock — Order Now and Fix Your Intake the Smart Way\u003c\/p\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003eStop the check engine light. Restore smooth idle and acceleration. Skip the dealer markup — fix it yourself with this proven repair kit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"margin-top: 25px; text-align: center;\"\u003e\u003ca href=\"https:\/\/benzunitedparts.com\/collections\/performance-upgrades-mercedes-e550-clk550-cls550-s550-5-5l-v8\" 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 ⚡ Explore M272 Performance Collection\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45750275997871,"sku":"2721402401","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/intake-flap-repair-kit-full-layout-2721402401.webp?v=1754118980"},{"product_id":"2-25-x-pipe-for-mercedes-na-replacement-for-secondary-cats","title":"M273 5.5L V8 X-Pipe • E550 • CLS550 • SL550 • S550 • CL550 (2006–2011)","description":"\u003cdiv style=\"max-width: 900px; margin: auto; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; padding: 20px; line-height: 1.7; color: #222;\"\u003e\n\u003cp style=\"text-align: center; font-size: 18px; color: #1e40af; font-weight: 600;\"\u003eM273 5.5L V8 X-Pipe • E550 • CLS550 • SL550 • S550 • CL550 (2006–2011)\u003c\/p\u003e\n\u003cp style=\"text-align: center; background: #eff6ff; padding: 14px; border-radius: 10px; font-weight: 600;\"\u003e2.25\" Dual High-Flow X-Pipe • Perfect for M273 Performance Upgrades\u003c\/p\u003e\n\u003cp\u003eShift your M273 5.5L V8 power band higher and feel stronger torque at the top end. This high-flow X-pipe is engineered specifically for M273 performance builds — reducing rasp, balancing exhaust pulses, and delivering noticeably more torque and power at higher RPMs when paired with headers or tuning.\u003c\/p\u003e\n\u003ch2 style=\"margin: 26px 0 12px;\"\u003eWhy M273 Owners Choose This X-Pipe\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eForward-placed X-merge creates a clear power band shift with stronger pull at higher RPMs on M273 engines\u003c\/li\u003e\n\u003cli\u003eDual 2.25\" I.D. optimized for M273 naturally aspirated and supercharged builds\u003c\/li\u003e\n\u003cli\u003e409 stainless construction — weld-friendly and heat-cycle tough\u003c\/li\u003e\n\u003cli\u003eMore usable torque and extended power at higher RPMs on tuned M273 5.5L V8s\u003c\/li\u003e\n\u003cli\u003ePerfect complement to M273 ECU tunes, headers, and intake upgrades for peak top-end performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"margin: 26px 0 12px;\"\u003eM273 Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #1e40af; color: white;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\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;\"\u003eE550 • CLS550 • SL550\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;\"\u003eS550 • CL550\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 • R350 • ML550\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2006–2011\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: 30px;\"\u003eNeed help with your build? Message us your vehicle — we’ll recommend the perfect setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45808945037487,"sku":"BU-M273-XPIPE-225","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"}],"url":"https:\/\/benzunitedparts.com\/collections\/m272-m273-flap-repair-induction-tuning.oembed","provider":"BenzUnited Parts","version":"1.0","type":"link"}