2012 - 2017 Mercedes Benz E550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning EWS DELETE For 2013+ models

For 2013+ models

BMW Siemens MS43 Fitment Information of Vehicles Supported for BMW Z3 M54 EWS Removal:

You will then be able to connect the cable to your obd2 port and laptop

AMG S and Performance models may have smaller gains due to high HP output from factory

Equipped with the M177 4

2012 - 2017 Mercedes Benz E550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning EWS DELETE For 2013+ modelsPerformance Flash Tune for Mercedes Benz E550 W212 with M278 4. 7L V8 Bi Turbo Engine with MED17. 7. 1 MED17. 7. 3 ECU. E550 M278 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