RENNtech Intermediate ECU Upgrade | W166 | GLE63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2016+ mercedes-benz-e-class-sedan--213---2017-present--e-300-esr7131049 While the carbon fiber splitter

While the carbon fiber splitter is a piece of art on their own

Our rear diffuser is the companion component to the front splitter and functions to decrease drag and increase down force by improving the underbody airflow and its transition to ambient air

Our front splitter was designed with your daily driver in mind and maintains the same approach angle as the OE front fascia so the RENNtech front splitter retains the same clearance for parking stops

The Carbon Fiber Rear Wing for the Mercedes-Benz AMG GT Coupe dramatically improves rear end stability with an aggressive yet highly functional design

+45 HP / +76 LB-FT

RENNtech Intermediate ECU Upgrade | W166 | GLE63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2016+ mercedes-benz-e-class-sedan--213---2017-present--e-300-esr7131049 While the carbon fiber splitterIntermediate ECU Upgrade Up to 638HP 695LB FT Gains: +33HP & +69LB FT RENNtech M157 Biturbo ECU+ Upgrades are TV approved! Our proprietary 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. Our intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town