RENNtech Intermediate ECU Upgrade | S212 | E 63 (S) AMG | Wagon | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016 mercedes-benz-e-class-wagon--212---2010-2013--e63-amg-biturbo-esr7224727 Rated by Mercedes-Benz: 416 HP

Rated by Mercedes-Benz:      416 HP @ 5

the RENNtech AMG GT R side skirts feature several unique design elements

this is completely normal in carbon fiber manufacturing because of the nature of the material and production process

Please let us know your preference at time of order

RENNtech Intermediate ECU Upgrade | S212 | E 63 (S) AMG | Wagon | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016 mercedes-benz-e-class-wagon--212---2010-2013--e63-amg-biturbo-esr7224727 Rated by Mercedes-Benz: 416 HPIntermediate ECU 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