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  • Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure.

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Mercedes-Benz M278 4.7L Bi-Turbo ECU Tune

SKU:
FS.MER.M278.ECU
$1,895.00

Other Details

HP (whp):
+100

TQ (ft/lbs):
+110

WT (lbs):
N/A


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Product Description

Performance ECU software upgrade improves horsepower, torque, and driving characteristics of the M278 5.7L V8 BiTurbo Engine by reprogramming various sensor inputs, air/fuel ratios, and boost pressure.                                 

FEATURES:

  • Fits all Mercedes-Benz 550 M278 5.7L V8 BiTurbo Vehicles: E-Class / S-Class / GL/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.)

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