2011 - 2014 Mercedes Benz CL63 AMG - M157 V8 Bi-turbo 5.5 - Performance ECU Tuning M157 Tune Flash Type:W216 CL63 AMG M157 Bench Flash The issue is even after

The issue is even after your repair the DEF / SCR system

Stock: 190 HP / 325 TQ

H Performance ECU tuning software for BMW F10 550i / BMW F10 550iX

Stage 1 ECU tune: 330hp 550tq

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2011 - 2014 Mercedes Benz CL63 AMG - M157 V8 Bi-turbo 5.5 - Performance ECU Tuning M157 Tune Flash Type:W216 CL63 AMG M157 Bench Flash The issue is even afterPerformance Flash Tune for Mercedes Benz CL63 AMG C216 with M157 5. 5L V8 Bi Turbo Engine with MED17. 7. 1 MED17. 7. 3 ECU. CL63 AMG Performance Flash Tune Stage 1 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 emissions