Mercedes-Benz AMG 65 6.0L V12 Bi-Turbo

Mercedes-Benz AMG 65 6.0L V12 Bi-Turbo

Regular price$2,695.95
Shipping calculated at checkout.

  • In stock, ready to ship
  • Inventory on the way

Performance ECU software upgrade improves horsepower, torque, and driving characteristics of the M275 6.0L V12 Bi-Turbo Engine by reprogramming various sensor inputs, air/fuel ratios, and boost pressure.                                 

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.)


  • Fits all Mercedes-Benz AMG 65 M265 6.0L V12 Bi-Turbo Vehicles: S-Class / SL-Class / G-Class

    • Stock - 621 HP / 738 TQ

    • Tuned - 741 HP / 888 TQ

  • Fabspeed Motorsport saves your stock/factory ECU settings so that you can revert your vehicle back to stock settings at any time

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