{"title":"SLK55 AMG · R171 · M113 (2005–2010)","description":"\u003cp\u003eParts and upgrades that fit the SLK55 AMG (R171 chassis, M113 engine, 2005–2010).\u003c\/p\u003e","products":[{"product_id":"slk55-amg-ecu-tuning","title":"SLK55 AMG ECU Tuning","description":"\u003cp\u003eThe naturally aspirated R171 SLK55 AMG is a legendary lightweight powerhouse, but its factory engine management leaves untapped performance on the table. The MBH Motorsports Performance ECU Tune is a comprehensive software recalibration engineered to extract maximum efficiency and output from your M113 5.4L V8. By meticulously optimizing fuel mapping, ignition timing, and throttle dynamics, this tune delivers a highly responsive, aggressive driving experience while maintaining flawless refinement for your compact roadster.\u003c\/p\u003e\n\u003cp\u003eAs a standalone upgrade, the MBH ECU tune adds an impressive \u003cb\u003e+18 horsepower and +12 ft-lbs of torque\u003c\/b\u003e. However, when paired with MBH Motorsports Long Tube Headers, this calibration unlocks massive synergy, allowing your SLK55 AMG to breathe to its absolute limits and yield staggering gains of \u003cb\u003e50 to 60 wheel horsepower\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 calibrations are not generic, off-the-shelf flashes. Every tune is designed to smooth out power delivery and eliminate factory electronic throttle lag for immediate acceleration off the line. While aggressively increasing output, all critical OEM engine protection routines, thermal thresholds, and knock sensors remain fully active for total operational safety and peace of mind.\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+18 HP and +12 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\u003e50-60 WHP\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, crisp acceleration.\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 M113 5.4L V8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz SLK55 AMG (R171)\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":43346788876323,"sku":null,"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":"slk55-m113-long-tube-headers","title":"SLK55 M113 Long Tube Headers","description":"\u003cp\u003eThe naturally aspirated M113 5.4L V8 is a fantastic power plant, and when paired with the lightweight chassis of the SLK55 AMG, it creates a true driver's car. However, the restrictive factory exhaust manifolds severely choke the engine's output. MBH Motorsports SLK55 AMG Long Tube Headers are the ultimate foundational upgrade for extracting maximum performance from this platform. As a standalone modification with zero other changes required, these headers unleash an incredible \u003cb\u003e30 to 40 wheel horsepower\u003c\/b\u003e. In a chassis as compact and light as the SLK55, this massive increase in power dramatically transforms the power-to-weight ratio, delivering acceleration you can instantly feel and utilize on the track.\u003c\/p\u003e\n\u003ch4\u003eLifetime Guarantee \u0026amp; Premium Materials\u003c\/h4\u003e\n\u003cp\u003eWe engineer our headers to outlast the vehicle itself, and we back that up with a lifetime guarantee. Proudly handcrafted in the USA, this system is fabricated from heavy-duty 16-gauge T-304 American stainless steel. To ensure a perfect, leak-free seal against the engine block under extreme thermal stress, we utilize ultra-durable T-321 stainless steel flanges. If you are looking to start adding serious power to your SLK55 AMG, there is no better starting point on the market.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMassive Standalone Power:\u003c\/b\u003e Generates an impressive \u003cb\u003e+30 to +40 wheel horsepower\u003c\/b\u003e over stock with no other modifications required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTransformative Performance:\u003c\/b\u003e Drastically improves the power-to-weight ratio of the lightweight SLK55 chassis for highly noticeable acceleration gains.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUSA 16-Gauge T-304 Stainless Steel:\u003c\/b\u003e Proudly hand-fabricated in the USA for exceptional thermal endurance and maximum exhaust flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eT-321 Stainless Steel Flanges:\u003c\/b\u003e Features heavy-duty T-321 flanges to prevent warping and guarantee a perfect seal against the cylinder head.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLifetime Guarantee:\u003c\/b\u003e Engineered without compromise and fully guaranteed to last a lifetime of high-performance driving.\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 M113 5.4L V8 (Naturally Aspirated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz SLK55 AMG (R171)\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","offer_id":43346788909091,"sku":null,"price":2025.0,"currency_code":"USD","in_stock":true},{"title":"Cerakote (+$365) \/ Not included","offer_id":44138498588707,"sku":null,"price":2390.0,"currency_code":"USD","in_stock":true},{"title":"No coating \/ Add (+$1,011)","offer_id":44196616306723,"sku":null,"price":3036.0,"currency_code":"USD","in_stock":true},{"title":"Cerakote (+$365) \/ Add (+$1,011)","offer_id":44196616339491,"sku":null,"price":3401.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/SLK55_Headers_M113.jpg?v=1792518020"},{"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\/slk55_collection.jpg?v=1792519864","url":"https:\/\/mbhmotorsports.com\/collections\/r171-m155.oembed","provider":"MBH Motorsports","version":"1.0","type":"link"}