RENNtech ECU Upgrade | W212 | E 63 S AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016 carbon-fiber With the first use

With the first use

GLE 43 AMG SUV (W166 | M276 | 3

S 600 (W220) Stock Performance:

Step up your game with the RENNtech High Performance Hood Carbon Fiber Hood – where cutting-edge engineering meets jaw-dropping aesthetics

The RENNtech upgraded M278 now produces up to 540 HP and 705 LB-FT at crank

RENNtech ECU Upgrade | W212 | E 63 S AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016 carbon-fiber With the first useECU Upgrade Up to 638HP 695LB FT Gains: +33HP & +49LB FT RENNtech M157 Biturbo ECU Upgrades are TV approved! Our intermediate level ECU upgrade for the Mercedes M157 Biturbo 4 MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components