2014 - 2017 Mercedes Benz S550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning M278 Tune Flash Type:S550 M278 Remote 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)

Get Expert ECU Cloning for Your Mercedes-Benz W216

2007 - Mercedes Benz - W164 ML320 CDI OM642 Diesel

- BMW Z3 M52tu MS42 EWS Delete

(VT13) : DME / MSV70

2014 - 2017 Mercedes Benz S550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning M278 Tune Flash Type:S550 M278 Remote Flash you will have to sendPerformance Flash Tune for Mercedes Benz S550 C217 with M278 4. 7L V8 Bi Turbo Engine with MED17. 7. 1 MED17. 7. 3 ECU M278 S550 Stage 1 Performance Tune gains: 76WHP @ 3500RPM 118WTQ @ 3500RPM Performance tuning modifies torque limiter maps, boost levels, fuel maps, ignition timing advance maps and more. All to help safely increase HP TQ, while keeping good drive ability and factory fail safes limp protection in place. Factory emissions remain