RENNtech ECU+ Upgrade | C253 | GLC 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+ ecu Rated by RENNtech (peak @wheel):

Rated by RENNtech (peak @wheel):              614 whp @ 6

X167 - GLS SUV GLS 580

Up to 320HP and 355 LB-FT

CLASS G (W 463) 300 Turbodiesel SW LONG (HP: 177 | Year: 97 > 01)

2 rocker panel extensions and 2 rear fascia trim pieces

RENNtech ECU+ Upgrade | C253 | GLC 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+ ecu Rated by RENNtech (peak @wheel):The 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.