2014 - 2017 Mercedes Benz S550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning M278 Tune Flash Type:S550 M278 Remote Flash - BMW Z3 M52tu MS42

- BMW Z3 M52tu MS42 EWS Delete

What Does the W221 EDC17 ECU Cloning Service Include

What Does the W211 EDC16 ECU Cloning Service Include

(VT13) : DME / MSV70

We have 2 methods of having this E39 M54 MS43 Immobilizer Removal installed (Flash Type Selection)

2014 - 2017 Mercedes Benz S550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning M278 Tune Flash Type:S550 M278 Remote Flash - BMW Z3 M52tu MS42Performance 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