RENNtech ECU Upgrade | C216 | CL 550 | 500HP / 625 LB-FT | 4.7L V8 BiTurbo | M278 | MY2011-2014 mercedes-benz-sl-class--231---2012-2016--sl63-amg-esr3199425 C 32 AMG (W203) Stock

C 32 AMG (W203) Stock Performance:

Note: Mercedes M176 engine performance when measured on the dyno obtains higher power numbers than rated from factory

The intakes’ smooth flowing design sends more air into your turbos ensuring that your engine gets the volume and airflow that it needs

KW Suspensions

RENNtech Stainless Steel Sound and Performance Pipes for 211 - E 63 AMG

RENNtech ECU Upgrade | C216 | CL 550 | 500HP / 625 LB-FT | 4.7L V8 BiTurbo | M278 | MY2011-2014 mercedes-benz-sl-class--231---2012-2016--sl63-amg-esr3199425 C 32 AMG (W203) StockECU Upgrade 500HP 625LB FT Gains: +52HP +87LB FT Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or