{"product_id":"m156-throttle-body-upgrade-kit-c63-e63-cls63-s63-amg","title":"M156 Throttle Body Upgrade Kit – Dual 82mm Throttle Bodies, Billet Adapter Plate \u0026 Velocity Stacks | C63 E63 CLS63 S63 AMG","description":"\u003cdiv style=\"max-width: 800px; margin: 0 auto; font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif; line-height: 1.7; color: #222;\"\u003e\n\u003cp\u003eThe M156 Throttle Body Upgrade Kit is the complete 82 mm throttle body conversion for the Mercedes-AMG 6.2L V8 in one order: two genuine Mercedes-Benz 82 mm electronic throttle bodies, the CNC-machined billet adapter plate that mounts them in place of the factory 74 mm units, and a pair of velocity stacks with hardware. It fits the 2008–2014 C63 AMG sedan, 2015 C63 AMG coupe, 2007–2010 E63 AMG, 2007–2010 CLS63 AMG and 2008–2010 S63 AMG. The larger bores reduce inlet restriction; an ECU calibration is required to use the extra airflow.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; margin: 32px 0 12px;\"\u003eWhat's in the Kit\u003c\/h2\u003e\n\u003cul style=\"margin: 0 0 24px 20px; padding: 0; list-style: none;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e• \u003cstrong\u003e82 mm throttle bodies (2)\u003c\/strong\u003e — genuine Mercedes-Benz electronic throttle bodies\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e• \u003cstrong\u003eBillet adapter plate (1)\u003c\/strong\u003e — CNC-machined aluminum, converts the factory 74 mm throttle body bolt pattern to 82 mm\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e• \u003cstrong\u003eVelocity stacks (2)\u003c\/strong\u003e — trumpet-shaped inlets, with mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; margin: 32px 0 12px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"margin: 0 0 24px 20px; padding: 0; list-style: none;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e• \u003cstrong\u003eThrottle bore:\u003c\/strong\u003e 82 mm, up from the factory 74 mm\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e• \u003cstrong\u003eThrottle bodies:\u003c\/strong\u003e genuine Mercedes-Benz electronic units, not aftermarket replicas\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e• \u003cstrong\u003eAdapter plate:\u003c\/strong\u003e CNC-machined billet aluminum; keeps the factory throttle motor alignment and intake manifold geometry\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e• \u003cstrong\u003eVelocity stacks:\u003c\/strong\u003e smooth the airflow into the throttle bodies and reduce turbulence\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e• \u003cstrong\u003eInstallation:\u003c\/strong\u003e bolt-on; ECU calibration required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; margin: 32px 0 12px;\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f8f8f8;\"\u003e\n\u003cth style=\"padding: 12px 10px; text-align: left; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 12px 10px; text-align: left; border: 1px solid #ddd;\"\u003eBody Style\u003c\/th\u003e\n\u003cth style=\"padding: 12px 10px; text-align: left; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003cth style=\"padding: 12px 10px; text-align: left; border: 1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 12px 10px; text-align: left; border: 1px solid #ddd;\"\u003eChassis\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;\"\u003eC63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eSedan\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eM156 6.2L V8\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2008–2014\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eW204\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eC63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eCoupe\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eM156 6.2L V8\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2015\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eC204\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eE63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eSedan\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eM156 6.2L V8\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2007–2009\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eW211\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eE63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eSedan\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eM156 6.2L V8\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2010\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eW212\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eCLS63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e4-Door Coupe\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eM156 6.2L V8\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2007–2010\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eC219 \/ W219\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eS63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eSedan\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eM156 6.2L V8\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003e2008–2010\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 10px; border: 1px solid #ddd;\"\u003eW221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e US-market models.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; margin: 32px 0 12px;\"\u003eWarranty, Returns \u0026amp; Shipping\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 90-day limited warranty on the throttle bodies; 1-year limited warranty on the velocity stacks and the adapter plate against manufacturing defects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReturns:\u003c\/strong\u003e 30-day returns from delivery. Change-of-mind returns must be unused, uninstalled and in the original packaging; buyer pays return shipping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Free ground shipping with tracking via UPS, FedEx or USPS. Ships within 2–3 business days.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; margin: 32px 0 12px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eDo I need a tune with the M156 82 mm throttle bodies?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The 82 mm throttle bodies need an ECU calibration to use the extra airflow and to keep throttle behavior correct. A tune is not included in the kit.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eAre the throttle bodies genuine Mercedes-Benz?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. Both are new, genuine Mercedes-Benz electronic throttle bodies, not aftermarket replicas.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs the install bolt-on?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The billet adapter plate converts the factory 74 mm throttle body bolt pattern to 82 mm and keeps the factory throttle motor alignment and intake manifold geometry. The velocity stacks mount with the included hardware. After installation, the ECU needs to be calibrated.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I buy the pieces separately?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The throttle bodies, the adapter plate and the velocity stacks are each sold on their own, and all three are listed under Pairs well with on this page.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":50880844300463,"sku":"BU-M156-TB-KIT-82MM","price":1595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/image_1_1ca17660-bbc7-4dba-9d56-3b2ed74adc44.jpg?v=1794512020","url":"https:\/\/benzunitedparts.com\/products\/m156-throttle-body-upgrade-kit-c63-e63-cls63-s63-amg","provider":"BenzUnited Parts","version":"1.0","type":"link"}