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SKU: FS.MER.M278.ECU
Performance ECU software upgrade improves horsepower, torque, and driving characteristics of the M278 4.7L V8 BiTurbo Engine by reprogramming various sensor inputs, air/fuel ratios, and boost pressure.
FEATURES:
Fits all Mercedes-Benz 550 M278 4.7L V8 BiTurbo Vehicles: E-Class / S-Class / CL-Class / CLS-Class / SL-Class / M-Class / GLE-Class / GL-Class / GLS-Class
Stock - Varies by Model
Tuned - +100 HP / +110 TQ
Fabspeed Motorsport saves your stock/factory ECU settings so that you can revert your vehicle back to stock settings at any time
