RENNtech Intermediate ECU Upgrade | S212 | E 63 AMG | Wagon | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 mercedes-benz-c-class--204-sedan---2008-2014--c-320-cdi-esr4861286 Rated by RENNtech (peak @wheel):

Rated by RENNtech (peak @wheel):              325 whp @ 5

695LB-FT @ 3

The ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability

Gains: +7HP & +28LB-FT

Our down pipes mate perfectly with the stock CL Class exhaust system and include all necessary mounting hardware and clamps

RENNtech Intermediate ECU Upgrade | S212 | E 63 AMG | Wagon | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 mercedes-benz-c-class--204-sedan---2008-2014--c-320-cdi-esr4861286 Rated by RENNtech (peak @wheel):Intermediate ECU Upgrade Up to 638 HP 695 TQ Gains: +88HP +151TQ RENNtech M157 Biturbo ECU Upgrades are TV approved! Our intermediate level ECU upgrade for the Mercedes M157 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