ESS M156 6.2L AMG Twin Screw Supercharger (Tuner Kit)

 There’s nothing quite like the Mercedes Benz W204 C63 AMG. Fitted with the monstrous M156 6.2L V8, the C63 rocketed past its competition, making it the fastest production 4-door car at its debut. At ESS, we think there’s some...

ESS M156 6.2L AMG Twin Screw Supercharger System

 There’s nothing quite like the Mercedes Benz W204 C63 AMG. Fitted with the monstrous M156 6.2L V8, the C63 rocketed past its competition, making it the fastest production 4-door car at its debut. At ESS, we think there’s some...

ESS C63 ECU software

ESS M156 C63 base performance ECU software. All emissions systems remain active with this software.   +32-34whp Removed top speed governor  

ESS C63 Performance Package ECU software

ESS M156 P31/Black Series performance ECU software.   +12-14whp and ~20ft/lbs Removed top speed governor All emissions control systems are active in this software.