2018+ C253/X253 GLC63 AMG Mercedes - M177 V8 BiTurbo Performance Tuning Flash Type:Bench Flash you will have to send

you will have to send in the original and replacement ECU (make sure part numbers match or are compatible)

DUDMD Tuning E38 M60B40 Performance Tuning DME chip is for:

Designed for the N55

0261203473

2 - EDC17C76

2018+ C253/X253 GLC63 AMG Mercedes - M177 V8 BiTurbo Performance Tuning Flash Type:Bench Flash you will have to sendM177 Performance ECU tune is for 4. 0 AMG M177 Engine Mercedes Benz V8 Bi Turbo X253 C253 GLC63 AMG Models. Stage 1 tune: +96WHP @ 5800RPM +106WTQ @ 3000RPM wide range at the wheels, as dyno tested on the C63 AMG test car. Results can vary based on year and model. Crank HP: Stock: 469HP 479TQ Stage 1: 580HP 600TQ GLC63 AMG M177 ECU Tune Improvements: Throttle Response Boost Increase Torque Management Improvement HP and Torque Increase Speed Limiter