2012 - 2015 Mercedes Benz ML550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning

Performance Flash Tune for Mercedes Benz ML550 W166 with M278 4.7L V8 Bi-Turbo Engine with MED17.7.1/MED17.7.3 ECU.

ML550 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 functional and are not disabled. Gains can vary on vehicle condition and location.  

    • We do not offer cat delete software or tuning for emissions bypass.
    • We do not offer tuning services to the state of California. 

M278 ML550 Tune Vehicle Fitment:

 - 2012 - 2015 Mercedes Benz - ML550 - W166 - M278 Twin Turbo 4.7L V8


Please print out the tuning form below and mail it in with your ECU. If you're doing a remote flash you can email it.

ECU Tuning Stage: M278 Stage 1 Performance Tune
M278 Tune Flash Type: ML550 M278 Remote Flash
In stock
Sale price$625.00

Tax excluded. Shipping calculated at checkout

Mercedes Benz M278 ECU Tuning FAQs

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