R2 | Performance Package | C205 - C63 /S AMG | 709 HP / 638 LB-FT | 4.0L V8 BiTurbo | M177 mercedes-benz-amg-gt--190---2015-2022--amg-gt-black-series-esr5041102 Rated by RENNtech: 575 HP

Rated by RENNtech:               575 HP @ 6

TCU upgrade delivers faster acceleration by matching the power output of our ECU and Turbo upgrades

471 LB-FT @ 3

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

- Improved airflow and cooling

R2 | Performance Package | C205 - C63 /S AMG | 709 HP / 638 LB-FT | 4.0L V8 BiTurbo | M177 mercedes-benz-amg-gt--190---2015-2022--amg-gt-black-series-esr5041102 Rated by RENNtech: 575 HPR1 Pkg includes: ECU Upgrade, Sport Muffler, BOV Adapter, High Flow Air Filter, Fuel System Upgrade, Stage I Turbocharger Upgrade. Gains: Up to +164 HP +88LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible