M157 RaceIQ ECU tune. Compatible with most all cars with the M157 engine: C63, E63, CLS63, CL63, ML63, GL63, GLE63, G63, S63 AMG
- Dyno tested
- Better throttle response
- Customized to your vehicle modifications
- Instant power gains
- Top speed governor removed
- Optimized timing and fueling maps
- Flash tune within the comfort of your own garage via the OBDII diagnostic port of your vehicle using My Genius handheld programmer
- Gains +120hp & +180ft/lbs tq on stock engine