{"title":"S550 \/ S500 · W222 · M278 (2014–2017)","description":"\u003cp\u003eParts and upgrades that fit the S550 \/ S500 (W222 chassis, M278 engine, 2014–2017).\u003c\/p\u003e","products":[{"product_id":"s550-m278-magnum-filter","title":"S550 M278 Magnum Filter","description":"\u003ch2\u003eDry air filters for your S550\u003c\/h2\u003e\u003cp\u003eUpgrade your Mercedes-Benz S550 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 S550 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":43346787991587,"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":"s550-biturbo-ecu-tune","title":"S550 Biturbo ECU Tune","description":"\u003cp\u003eUnlock the hidden performance within your luxury sedan 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 S550 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, dyno-proven gains of \u003cb\u003e+108 horsepower and +138 ft-lbs of torque\u003c\/b\u003e.\u003c\/p\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003ch5\u003e\u003cstrong\u003eRefined Dyno-Proven Calibration\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\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 S550 retains its signature factory refinement, smooth shifting characteristics, and whisper-quiet cruising manners. All factory engine protection routines, thermal thresholds, and knock sensors remain fully active for total operational safety.\u003c\/p\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003ch5\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMassive Output Gains:\u003c\/b\u003e Delivers dyno-proven increases of up to \u003cb\u003e+108 HP and +138 TQ\u003c\/b\u003e over factory numbers.\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\u003e\u003c\/h4\u003e\n\u003ch5\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\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 S550 Sedan \u0026amp; Coupe (W221 \/ W222 \/ C217)\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","brand":"MBH Motorsports","offers":[{"title":"Send in your ECU","offer_id":43346789924899,"sku":null,"price":985.0,"currency_code":"USD","in_stock":true},{"title":"Remote flash device (+$199)","offer_id":44195196076067,"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"},{"product_id":"s550-w222-biturbo-downpipes","title":"S550 W222 Biturbo Downpipes","description":"\u003cp\u003eThe Mercedes S550 sits at the pinnacle of luxury performance, blending effortless refinement with twin-turbo V8 muscle. At MBH Motorsports, we engineered our S550 downpipe system to eliminate factory exhaust restrictions and elevate your luxury sedan directly into AMG territory.\u003c\/p\u003e\n\u003cp\u003eWhen paired with ECU software calibration, this downpipe upgrade delivers dyno-proven gains of \u003cb\u003eup to +80 wheel horsepower\u003c\/b\u003e, significantly sharpening throttle response and unleashing aggressive acceleration across the entire rev range.\u003c\/p\u003e\n\u003ch4\u003eHandcrafted American Quality \u0026amp; Quick Installation\u003c\/h4\u003e\n\u003cp\u003eEvery set is fabricated right here in the USA using heavy-duty, 16-gauge T-304 American stainless steel. Built to withstand extreme heat cycles without cracking or warping, this system is precision-engineered for an exact OEM fit. The streamlined bolt-on design allows for a hassle-free install that takes less than an hour to complete.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAMG-Level Output:\u003c\/b\u003e Delivers gains of up to \u003cb\u003e+80 WHP\u003c\/b\u003e when paired with performance ECU tuning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eQuick 1-Hour Installation:\u003c\/b\u003e Direct bolt-on design engineered to install in less than an hour using factory mounting points.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePremium US Stainless Steel:\u003c\/b\u003e Handcrafted in the USA from heavy 16-gauge T-304 American stainless steel for lasting durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOptimized Turbo Spool:\u003c\/b\u003e Significantly reduces backpressure off the turbos for immediate boost onset and smoother power delivery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRefined V8 Tone:\u003c\/b\u003e Unlocks a deeper, authoritative exhaust note under throttle while maintaining factory cabin quietness at cruising speeds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\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 S550 W222\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","brand":"MBH Motorsports","offers":[{"title":"Default Title","offer_id":43346790023203,"sku":null,"price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/S550_downpipes_Dark.jpg?v=1790618781"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/collections\/s550_w222_site_Image.jpg?v=1785255751","url":"https:\/\/mbhmotorsports.com\/collections\/w222-m278.oembed","provider":"MBH Motorsports","version":"1.0","type":"link"}