RENNtech Intermediate ECU Upgrade | C217 | S 63 AMG | Coupe | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2017 mercedes-benz-e-class-sedan--212---2010-2013--e-550-biturbo-esr8609550 The rear spoiler offers a

The rear spoiler offers a smooth transition of airflow over the trunk lid of the vehicle to ambient air and produces greater down force across the rear of the vehicle at speed

630 sec 108

ECU+ Upgrade | 540HP / 705LB-FT | Gains: +92HP / +167LB-FT

Maserati Levante Modena (M161) 2017+

0L BiTurbo V12 Engine) Modified Performance:

RENNtech Intermediate ECU Upgrade | C217 | S 63 AMG | Coupe | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2017 mercedes-benz-e-class-sedan--212---2010-2013--e-550-biturbo-esr8609550 The rear spoiler offers aIntermediate ECU Upgrade Up to 638HP 695LB FT Gains: +33HP & +25LB 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