C63, E63, CLS63, CL63, ML63, GL63, GLE63, G63, S63 AMG M157 ECU Tune
The M157 RaceIQ ECU tune enhances performance by improving throttle response and providing instant power gains, compatible with various Mercedes-Benz models.
- The description claims dyno-tested performance improvements.
- The description claims gains of +120hp and +180ft/lbs tq on stock engines.