{"title":"CLS550 \/ CLS500 · W218 · M278 (2012–2018)","description":"\u003cp\u003eParts and upgrades that fit the CLS550 \/ CLS500 (W218 chassis, M278 engine, 2012–2018).\u003c\/p\u003e","products":[{"product_id":"cls550-m278-magnum-filter","title":"CLS550 M278 Magnum Filter","description":"\u003ch2\u003eDry air filters for your CLS550\u003c\/h2\u003e\u003cp\u003eUpgrade your Mercedes-Benz CLS550 with the M278 engine with aFe Magnum Flow dry air filters. Whether your car is close to stock or already modified, these filters offer an oil-free option for your intake setup.\u003c\/p\u003e\u003ch3\u003eNo filter oil. No oily mess.\u003c\/h3\u003e\u003cp\u003eGet ready for your next drive without the extra step or mess of oiling your air filters. The dry-filter design requires no filter oil.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor the Mercedes-Benz CLS550 with the M278 engine\u003c\/li\u003e\n\u003cli\u003eaFe Magnum Flow dry air filters\u003c\/li\u003e\n\u003cli\u003eNo filter oil required\u003c\/li\u003e\n\u003cli\u003eA standalone upgrade or addition to a modified setup\u003c\/li\u003e\n\u003cli\u003eWashable and reusable: allow filters to dry fully before reuse\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"aFe","offers":[{"title":"Default Title","offer_id":43346787860515,"sku":null,"price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/63_AMG_magnum_filters.jpg?v=1793898819"},{"product_id":"cls550-biturbo-downpipes","title":"CLS550 Biturbo Downpipes","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe Mercedes CLS550 Biturbo is a potent luxury vehicle, but its M278 engine is severely restricted by factory exhaust components. MBH Motorsports CLS550 Biturbo Downpipes are arguably the highest-quality downpipes available on the market for this platform. Designed to be the ultimate key to unlocking the hidden power in your vehicle, these downpipes replace choked factory piping with smooth, high-flowing 3-inch tubing.\u003c\/p\u003e\n\u003cp\u003eWhen paired with proper ECU tuning, the performance transformation is staggering. On the dyno, the MBH downpipes and ECU tune combination delivers an incredible gain of 174 horsepower and 217 ft-lbs of torque over the stock baseline. \u003c\/p\u003e\n\u003ch4\u003eHandcrafted USA Quality \u0026amp; Under 1-Hour Install\u003c\/h4\u003e\n\u003cp\u003eProudly handcrafted right here in the USA, these downpipes are fabricated from 100% 16-gauge T-304 American stainless steel and are truly built to last. Our premium stainless steel provides such exceptional thermal density and heat resistance that aftermarket heat shield wrapping is entirely unnecessary.\u003c\/p\u003e\n\u003cp\u003eFurthermore, this direct bolt-on system is engineered for maximum convenience and can be fully installed in under an hour. The complete kit includes all the necessary high-quality hardware and heavy-duty clamps to ensure a seamless, frustration-free fit on both All-Wheel Drive (4MATIC) and Rear-Wheel Drive (RWD) drivetrains.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMassive Power Gains:\u003c\/b\u003e Unlocks a dyno-proven 174 horsepower gain and 217 torque gain when paired with an ECU tune\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUnder 1-Hour Install:\u003c\/b\u003e Precision-engineered for a quick, direct bolt-on installation in under 60 minutes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNo Heat Wrapping Needed:\u003c\/b\u003e Constructed from premium USA 16-gauge 304 stainless steel with superior thermal management, eliminating the need for heat shields or exhaust wraps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Flow 3-Inch Tubing:\u003c\/b\u003e Replaces restrictive OEM pipes with smooth 3-inch mandrel bends for maximum exhaust velocity and rapid turbo spool.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUniversal Drivetrain Fitment:\u003c\/b\u003e Perfectly fits both All-Wheel Drive (4MATIC) and Rear-Wheel Drive (RWD) CLS550 models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes all required high-quality hardware and heavy-duty clamps to get the job done right.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine:\u003c\/b\u003e Mercedes-Benz M278 4.6L V8 Biturbo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz CLS550 (W218 Biturbo - AWD \u0026amp; RWD)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eDisclaimer: For off-road racing and competition use only. This product is not intended or legal for installation on registered, licensed vehicles operated on public roads or highways.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MBH Motorsports","offers":[{"title":"Default Title","offer_id":43346789629987,"sku":null,"price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/E550_downpippe_dark2.jpg?v=1790102252"},{"product_id":"cls550-biturbo-ecu-tuning","title":"CLS550 Biturbo ECU Tuning","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eUnlock the hidden performance within your luxury four-door coupe with the MBH Motorsports Performance ECU Tune. Whether you are looking for sharper responsiveness or seeking to extract the absolute maximum output from the M278 twin-turbo V8 platform, our software recalibration transforms your Mercedes CLS 550 into an AMG-rivaling powerhouse.\u003c\/p\u003e\n\u003cp\u003eEngineered and refined through extensive dyno development and data logging, MBH ECU calibrations precisely optimize boost profiles, ignition timing, and air-fuel ratios. While providing an aggressive performance boost on an otherwise stock car, this tune is specifically calibrated to take full advantage of the reduced backpressure from an MBH Motorsports downpipe system—delivering staggering gains of up to \u003cb\u003e+108 horsepower and +218 ft-lbs of torque\u003c\/b\u003e. \u003ci\u003ePlease note: Exact performance results may vary based on dyno type, ambient temperature, fuel quality, and more.\u003c\/i\u003e\u003c\/p\u003e\n\u003ch4\u003eRefined Dyno-Proven Calibration\u003c\/h4\u003e\n\u003cp\u003eThis is not a generic, off-the-shelf flash. Every calibration is designed to smooth out power delivery, virtually eliminate electronic throttle lag, and produce an aggressive mid-range punch that pulls hard all the way to redline. Despite the massive increase in output, the CLS 550 retains its signature factory refinement, smooth shifting characteristics, and sophisticated cruising manners. All factory engine protection routines, thermal thresholds, and knock sensors remain fully active for total operational safety.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMassive Output Gains:\u003c\/b\u003e Delivers increases of up to \u003cb\u003e+108 HP and +218 TQ \u003c\/b\u003ewith MBH Downpipes over factory numbers. \u003ci\u003e(Results may vary based on dyno, temperature, fuel, and more).\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDyno Tested:\u003c\/b\u003e Extensively developed through hours of dyno cell calibration and high-load data logging for seamless power delivery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDownpipe Synergy:\u003c\/b\u003e Custom-tailored to maximize airflow velocity and exhaust scavenging when paired with MBH Motorsports downpipes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInstant Boost Response:\u003c\/b\u003e Eliminates factory throttle dead zones and lag for immediate, aggressive acceleration off the line.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFactory Safety Buffers Preserved:\u003c\/b\u003e Retains all OEM ECU failsafes, thermal limiters, and knock monitoring parameters for complete powertrain reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTop Speed Limiter Removal:\u003c\/b\u003e Deactivates factory speed governors for unrestricted top-end capability on closed courses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine:\u003c\/b\u003e Mercedes-Benz M278 4.6L V8 Biturbo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz CLS 550 (W218)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eDisclaimer: For off-road racing and competition use only. This product is not intended or legal for installation on registered, licensed vehicles operated on public roads or highways.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e  \u003c\/strong\u003e                   \u003c\/p\u003e","brand":"MBH Motorsports","offers":[{"title":"Send in your ECU","offer_id":43346789662755,"sku":null,"price":985.0,"currency_code":"USD","in_stock":true},{"title":"Remote flash device (+$199)","offer_id":44195196043299,"sku":null,"price":1184.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/ECU_new.jpg?v=1784570476"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/collections\/CLS_550_W218_site_image.jpg?v=1785256407","url":"https:\/\/mbhmotorsports.com\/collections\/w218-m278.oembed","provider":"MBH Motorsports","version":"1.0","type":"link"}