RENNtech ECU+ Upgrade | C253 | GLC 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+ mercedes-benz-a-class--177---2019-present--a-45-amg-esr8335683 0L I6 Turbo -engine gains

0L I6 Turbo -engine gains up to +48 HP and +54LB-FT

What exactly is pre-preg carbon fiber

45 AMG (MY2013+ | M133 | 2

Rated by Mercedes-Benz:      577 HP @ 5

RENNtech ECU+ Upgrade | C253 | GLC 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+ mercedes-benz-a-class--177---2019-present--a-45-amg-esr8335683 0L I6 Turbo -engine gainsThe RENNtech ECU Plus Upgrade brings the GLC 43 AMG SUV up to 416 HP and 460 LB FT Gains: +41 HP and +62 LB 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.