RENNtech ECU+ Upgrade | W166 | GLE63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-glc-class-coupe--253---2016-present--glc-63-amg-esr1091906 Deep scratches and dents will

Deep scratches and dents will void the credit

RENNtech is able to add up to 111 HP and 147 LB-FT to the 5

A CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration

an evolution of its predecessors

up to 402HP

RENNtech ECU+ Upgrade | W166 | GLE63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-glc-class-coupe--253---2016-present--glc-63-amg-esr1091906 Deep scratches and dents willECU+ Upgrade Up to 669HP 734LB FT Gains: +64HP & +108LB FT RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can