RENNtech ECU Upgrade | C218 | CLS63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 maserati-levante--2017-present--v6-esr9770991 RENNtech Power Module | CLE

RENNtech Power Module  | CLE 53 AMG | 3

The NEW Porsche  V3

C207 - E 550 Coupé FaceLift 2014+ – M278 | 4

Turbo GT (MY2021+)

All of our designs are unique and fully developed in-house by our skilled engineers and designers

RENNtech ECU Upgrade | C218 | CLS63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 maserati-levante--2017-present--v6-esr9770991 RENNtech Power Module | CLEECU Upgrade Up to 638HP 695TQ 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 or for areas