RENNtech ECU Upgrade | C218 | CLS 550 | 480HP / 605LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014 mercedes-benz-sl-class--231---2017-present--sl63-amg-esr2518058 Larger impeller (inlet) and turbine

Larger impeller (inlet) and turbine (exhaust) cartridge

RENNtech Toe Link Kit for the 219 - CLS CLass

pulling the car to the ground for enhanced down force and stability at speed

AMG GT MY2018+ FaceLift

Stock Axle Shaft Spline Count= 27 splines

RENNtech ECU Upgrade | C218 | CLS 550 | 480HP / 605LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014 mercedes-benz-sl-class--231---2017-present--sl63-amg-esr2518058 Larger impeller (inlet) and turbineECU Upgrade 480HP 605LB FT Gains: +45HP +162TQ 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