RENNtech ECU Upgrade | C218 | CLS63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 maserati-levante--2017-present--v6-esr9770991 CLASS C (W 203) 230

CLASS C (W 203) 230 Kompressor 2

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

RENNtech Digital Lowering Module for Rolls Royce

Turbo GT (MY2021+)

Designed in the U

RENNtech ECU Upgrade | C218 | CLS63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 maserati-levante--2017-present--v6-esr9770991 CLASS C (W 203) 230ECU 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