2013 - 2015 Mercedes Benz GL450 GL550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning M278 Tune Flash Type:GL450 GL550 M278 Bench Flash 7000rpm rev limiter (can be

7000rpm rev limiter (can be changed upon request to your specs)

2010-2013 BMW E70 X5M DME Cloning

"Incorrect exhaust fluid"

Send us your DME for modifications

This tune is for 2007-2008 Mercedes Benz GL320 3

2013 - 2015 Mercedes Benz GL450 GL550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning M278 Tune Flash Type:GL450 GL550 M278 Bench Flash 7000rpm rev limiter (can bePerformance Flash Tune for Mercedes Benz GL450 GL550 X166 with M278 4. 7L V8 Bi Turbo Engine with MED17. 7. 1 MED17. 7. 3 ECU. GL450 GL550 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