2012 - 2018 Mercedes Benz CLS63 AMG - M157 V8 Bi-turbo 5.5 - Performance ECU Tuning S63TU 2011– 2013 E70 X5 xDrive50i

2011– 2013 E70 X5 xDrive50i

and coding

fuel maps and more

Supported ECU Types

in which case you just have to top off your def fluid tanks

2012 - 2018 Mercedes Benz CLS63 AMG - M157 V8 Bi-turbo 5.5 - Performance ECU Tuning S63TU 2011– 2013 E70 X5 xDrive50iPerformance M157 ECU tune for the Mercedes Benz CLS63 AMG W218 with M157 5. 5L V8 Bi Turbo Engine with MED17. 7. 1 MED17. 7. 3 ECU. Stage 1 M157 CLS63 AMG Performance Tune gains: 122WHP @ 4000RPM 193WTQ @ 2700RPM 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