{"title":"CLS63 AMG · W219 · M156 (2007–2010)","description":"\u003cp\u003eParts and upgrades that fit the CLS63 AMG (W219 chassis, M156 engine, 2007–2010).\u003c\/p\u003e","products":[{"product_id":"cls63-ecu-tuning","title":"CLS63 ECU Tuning","description":"\u003cp\u003eThe Mercedes CLS63 AMG is a stunning four-door coupe powered by the legendary naturally aspirated M156 6.2L V8. However, despite its aggressive styling and factory pedigree, conservative engine management leaves a significant amount of performance untapped. The MBH Motorsports Performance ECU Tune is a comprehensive software recalibration designed to eliminate these restrictions, dramatically improving throttle response, drivability, and the raw output of your CLS63.\u003c\/p\u003e\n\u003cp\u003eAs a standalone modification, this advanced calibration delivers a highly noticeable increase of \u003cb\u003e+40 horsepower and +40 ft-lbs of torque\u003c\/b\u003e. However, when this tune is paired with MBH Motorsports Long Tube Headers, the M156 engine is allowed to breathe to its absolute limits—unlocking massive synergy and yielding staggering gains of \u003cb\u003e+80 horsepower and +75 ft-lbs of torque\u003c\/b\u003e over stock.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003ePlease note: Exact performance results may vary based on environmental factors, ambient temperature, dyno type, fuel quality, and overall engine age.\u003c\/i\u003e\u003c\/p\u003e\n\u003ch4\u003eRefined Power \u0026amp; Engine Reliability\u003c\/h4\u003e\n\u003cp\u003eOur M156 calibrations are meticulously developed to smooth out power delivery across the entire RPM band. By optimizing fuel mapping and ignition timing, we eliminate factory electronic throttle lag for immediate, crisp acceleration the moment you step on the gas. While aggressively increasing output, all critical OEM engine protection routines, thermal thresholds, and knock sensors remain fully active for total operational safety and long-term powertrain reliability.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStandalone Output Gains:\u003c\/b\u003e Delivers reliable increases of \u003cb\u003e+40 HP and +40 TQ\u003c\/b\u003e on a completely stock vehicle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMaximum Header Synergy:\u003c\/b\u003e Custom-tailored to maximize exhaust scavenging and airflow velocity when paired with MBH Motorsports long tube headers, unlocking \u003cb\u003e+80 HP and +75 TQ\u003c\/b\u003e over stock.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInstant Throttle Response:\u003c\/b\u003e Eliminates factory pedal dead zones for immediate acceleration and sharper driving dynamics.\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 peace of mind.\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-AMG M156 6.2L V8 (Naturally Aspirated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz CLS63 AMG (W219)\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":43346785959971,"sku":"5","price":585.0,"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":"cls63-long-tube-headers","title":"CLS63 Long Tube Headers","description":"\u003cp\u003eThe naturally aspirated 6.2L M156 V8 powering the Mercedes CLS63 AMG is an absolute masterpiece of engineering, but restrictive factory exhaust manifolds choke exhaust velocity and leave massive power trapped in the heads. MBH Motorsports CLS63 AMG Long Tube Headers are engineered from the ground up to eliminate that bottleneck, extracting spent exhaust pulses with unmatched efficiency and unleashing the true capability of the M156 platform.\u003c\/p\u003e\n\u003cp\u003eBuilt on an advanced Tri-Y (4-into-2-into-1) configuration, these headers deliver scavenging performance that standard designs cannot replicate. By utilizing large 2-inch primary runners engineered at a calculated, optimized length, this system satisfies the high-volume exhaust demands of the 6.2L engine without causing velocity drop. The result is broad, unrelenting power and torque across the entire rev range. MBH CLS63 headers have powered some of the fastest M156 builds in the world, supporting setups exceeding \u003cb\u003e600+ wheel horsepower\u003c\/b\u003e.\u003c\/p\u003e\n\u003ch4\u003eHandcrafted American Quality \u0026amp; Zero-Failure \u003c\/h4\u003e\n\u003cp\u003eEvery set of MBH Motorsports headers is proudly hand-fabricated in the USA from premium 16-gauge T-304 American stainless steel to withstand extreme track abuse and aggressive heat cycling. Built to an uncompromising standard, our long tube headers boast an unblemished record: \u003cb\u003eto date, we have never had a single header fail.\u003c\/b\u003e Each set undergoes a rigorous multi-point inspection before leaving our facility, verifying flawless weld penetration, structural consistency, and clean, deburred header ports for smooth internal flow.\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\u003e120+ hp 90+ tq\u003cstrong\u003e \u003c\/strong\u003ewith tuning. Dyno-tested and track-proven on the world’s most powerful CLS63 builds exceeding \u003cb\u003e650 wheel horsepower\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAdvanced Tri-Y Scavenging:\u003c\/b\u003e Maximizes exhaust gas extraction out of the cylinder head ports for broad horsepower and torque gains across the entire RPM curve.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTuned 2-Inch Primaries:\u003c\/b\u003e Sized specifically to match the displacement and flow needs of the M156 6.2L V8 without sacrificing low-end velocity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e16-Gauge T-304 US Stainless Steel:\u003c\/b\u003e Handcrafted in the USA using heavy-duty American stainless steel for ultimate thermal endurance and corrosion resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFlawless Quality Control:\u003c\/b\u003e Meticulously inspected for weld penetration, structural integrity, and smooth internal port transitions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExotic V8 Acoustic Profile:\u003c\/b\u003e Frees up the deep, ferocious, naturally aspirated AMG exhaust crackle while keeping cabin resonance manageable.\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-AMG M156 6.2L V8 Naturally Aspirated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz CLS63 AMG (W219)\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 to be installed on a registered vehicle for use on public roads or highways and may never be installed on a registered or licensed vehicle for use on any public roads and highways.\u003c\/i\u003e\u003c\/p\u003e","brand":"MBH Motorsports","offers":[{"title":"No coating \/ Not included \/ Not included","offer_id":43346789793827,"sku":null,"price":2585.0,"currency_code":"USD","in_stock":true},{"title":"Cerakote headers (+$365) \/ Not included \/ Not included","offer_id":44138498883619,"sku":null,"price":2950.0,"currency_code":"USD","in_stock":true},{"title":"No coating \/ Add (+$977) \/ Not included","offer_id":44195335929891,"sku":null,"price":3562.0,"currency_code":"USD","in_stock":true},{"title":"Cerakote headers (+$365) \/ Add (+$977) \/ Not included","offer_id":44195335962659,"sku":null,"price":3927.0,"currency_code":"USD","in_stock":true},{"title":"No coating \/ Not included \/ Add (+$1,011)","offer_id":44196566466595,"sku":null,"price":3596.0,"currency_code":"USD","in_stock":true},{"title":"No coating \/ Add (+$977) \/ Add (+$1,011)","offer_id":44196566499363,"sku":null,"price":4573.0,"currency_code":"USD","in_stock":true},{"title":"Cerakote headers (+$365) \/ Not included \/ Add (+$1,011)","offer_id":44196566532131,"sku":null,"price":3961.0,"currency_code":"USD","in_stock":true},{"title":"Cerakote headers (+$365) \/ Add (+$977) \/ Add (+$1,011)","offer_id":44196566564899,"sku":null,"price":4938.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/63headers2.jpg?v=1783630720"},{"product_id":"cls63-mid-section-with-xpipe","title":"CLS63 Mid-Section with Xpipe","description":"\u003cp\u003eWhile not strictly required to run MBH Motorsports long tube headers, the MBH Motorsports Stainless Steel Mid-Section with X-Pipe makes mating and installing your headers a clean, straightforward task. Engineered to eliminate restrictive factory mid-pipes, this system replaces choked factory tubing with mandrel-bent 3-inch piping and deletes the unmonitored secondary catalytic converters to maximize exhaust gas velocity and scavenging efficiency.\u003c\/p\u003e\n\u003cp\u003eBy smoothing turbulence and equalizing exhaust pulses across cylinder banks, this mid-section upgrade delivers dyno-proven gains of \u003cb\u003e10–15 wheel horsepower\u003c\/b\u003e while producing a crisper, more aggressive, and tuned exhaust note without harsh rasp.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eHandcrafted USA Quality \u0026amp; Precision Bolt-On Fitment\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eProudly hand-fabricated right here in the USA from heavy-duty, 16-gauge T-304 American stainless steel, this system is built to endure extreme exhaust temperatures and hard track abuse without cracking or warping. Designed for a direct bolt-on connection, it mates seamlessly from the collectors of your MBH Motorsports long tube headers directly to your factory rear resonator, eliminating the need for expensive custom exhaust fabrication.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDyno-Proven Power:\u003c\/b\u003e Delivers \u003cb\u003e+10–15 WHP\u003c\/b\u003e over restrictive factory mid-sections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e16-Gauge T-304 US Stainless Steel:\u003c\/b\u003e Handcrafted in the USA using premium American stainless steel for lasting structural integrity and corrosion resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSecondary Cat Delete:\u003c\/b\u003e Removes restrictive, unmonitored factory secondary catalytic converters to significantly reduce backpressure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e3-Inch Mandrel-Bent Tubing:\u003c\/b\u003e Replaces small-diameter OEM piping with smooth, high-flow 3-inch tubing for maximum flow capacity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIntegrated X-Pipe:\u003c\/b\u003e Balances exhaust pulses between cylinder banks for optimized scavenging, improved mid-range torque, and an exotic V8 acoustic tone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDirect Header-to-Resonator Fit:\u003c\/b\u003e Engineered to bolt directly to the back of MBH Motorsports headers and mount cleanly to the OEM resonator.\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":43346789826595,"sku":null,"price":977.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/55_mid_section.jpg?v=1784746422"},{"product_id":"63-mid-section-with-xpipe","title":"63 Mid-section with Xpipe","description":"\u003cp\u003eMaximize performance and simplify the installation of your MBH Motorsports long tube headers with our premium stainless steel mid-section and integrated X-pipe. Designed as a direct bolt-on upgrade for MBH long tube headers, this system eliminates exhaust restriction to unlock your engine's true potential.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features \u0026amp; Benefits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEffortless Fitment:\u003c\/b\u003e Seamlessly bridges the gap between your MBH Motorsports long tube headers and the factory resonator—no custom fabrication required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSuperior Flow:\u003c\/b\u003e Upgrades the restrictive factory mid-section to durable, free-flowing \u003cb\u003e3-inch stainless steel tubing\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSecondary Cat Delete:\u003c\/b\u003e Removes unmonitored secondary catalytic converters to optimize exhaust velocity and sound.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePower:\u003c\/b\u003e Delivers an estimated gain of \u003cb\u003e12+ wheel horsepower\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cb\u003eCompliance Disclaimer:\u003c\/b\u003e \u003ci\u003eFor off-road racing and competition use only. This product may never be installed on a registered or licensed vehicle for use on any public roads or highways.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"MBH Motorsports","offers":[{"title":"Default Title","offer_id":43346790907939,"sku":null,"price":926.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/55_mid_section.jpg?v=1784746422"},{"product_id":"high-flow-cats-set-of-2","title":"High Flow Cats (set of 2)","description":"\u003cp\u003eUpgrade your exhaust system seamlessly with MBH Motorsports 200-cell high-flow cats. Engineered for both performance and convenience, these catalytic converters are designed to bolt directly to the back of compatible MBH Motorsports headers.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDirect-Bolt Installation:\u003c\/b\u003e Mates perfectly with many MBH Motorsports headers for a straightforward fit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIntegrated O2 Extension:\u003c\/b\u003e Features a built-in, long-tube O2 bung extension, saving you the time and hassle of tracking down hard-to-find aftermarket extensions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e⚠️ IMPORTANT COMPLIANCE NOTICE\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOff-Road and Competition Use Only:\u003c\/b\u003e We make no claims regarding emissions compliance. As with all products we sell, these catalytic converters are strictly designated for off-road racing and competition use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStreet Legality:\u003c\/b\u003e This product is not intended for, and may never be installed on, any registered or licensed vehicle for use on public roads or highways.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MBH Motorsports","offers":[{"title":"Default Title","offer_id":43346790973475,"sku":null,"price":1011.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/cats.jpg?v=1784579690"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/collections\/CLS63_W219.jpg?v=1793727264","url":"https:\/\/mbhmotorsports.com\/collections\/w219-m156.oembed","provider":"MBH Motorsports","version":"1.0","type":"link"}