WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.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
NOTE: This is not a physical/shipped product. This upgrade requires you to send us your ECU for re-programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out.
SHIPPING DETAILS: Shipping costs for sending an ECU to Fabspeed is the responsibility of the purchaser. The ECU will be tuned within 24-48 hours of receiving it and Fabspeed will then ship back the ECU using whatever method it was shipped in with. (For example: If you send in your ECU via Ground shipping, we will ship it back via Ground. If you ship it via Overnight, we will ship it back via Overnight.)
Electrical/Electronic parts are non-returnable.
- PDP tag:
- Free Shipping*
