Mercedes-AMG 5.5L Bi-Turbo V8 Performance ECU Tune

Mercedes-AMG M157 5.5L Bi-Turbo V8 Performance ECU Tune by Overland Xtreme

Product Details

Unlock the full potential of your Mercedes-AMG M157 engine with the Overland Xtreme M157 Performance ECU Tune, delivering massive gains in horsepower, torque, and throttle response.

Designed for the Mercedes-AMG 5.5L Bi-Turbo V8, our performance calibration optimizes boost pressure, ignition timing, fueling, and throttle mapping to deliver exceptional performance on 91-octane premium pump gas while maintaining smooth everyday drivability.

Performance Gains

Stage 1 – Stock Hardware

• +170 HP

• +250 LB-FT Torque

• No hardware modifications required

Stage 2 – Race Downpipe Required

• +190 HP

• +280 LB-FT Torque

• Optimized for upgraded exhaust configurations

Actual performance gains may vary depending on fuel quality, vehicle condition, and supporting modifications.

Bluetooth ECU Tuning Module – Tune From Your Smartphone

With the Overland Xtreme Bluetooth Tuning Module, upgrading your Mercedes-AMG has never been easier.

Our Bluetooth-enabled tuning module allows you to flash your ECU directly through your smartphone without removing or shipping your ECU.

How It Works:

1. Plug In: Connect the Overland Xtreme Bluetooth Tuning Module to your vehicle's OBD-II port.

2. Connect: Pair the module with your smartphone using the compatible tuning app.

3. Flash: Follow the instructions to install your Overland Xtreme Stage 1 or Stage 2 performance tune.

4. Drive: Enjoy the increased horsepower, torque, and improved throttle response.

Bluetooth Tuning Benefits:

• Convenient smartphone-based ECU flashing

• No ECU removal or shipping required on supported vehicles

• Flash your performance tune from home

• Ability to return to the factory calibration when supported

• Easy access to future calibration updates

Some ECU versions may require an initial unlock or additional programming. Contact Overland Xtreme to confirm compatibility.

Experience the Overland Xtreme Difference

Our M157 ECU performance tune delivers:

• Faster Turbo Spool: Reduced lag and quicker boost response

• Massive Torque Gains: Stronger acceleration throughout the RPM range

• Sharper Throttle Response: More immediate power delivery

• Increased Horsepower: Stronger mid-range and top-end performance

• Smooth Drivability: Refined power delivery for everyday driving

Vehicle Compatibility

Compatible with Mercedes-AMG vehicles equipped with the M157 5.5L Bi-Turbo V8, including:

• E63 AMG / E63 S (W212)

• CLS63 AMG / CLS63 S (C218)

• S63 AMG (W221 / W222 / C217)

• G63 AMG (W463)

• SL63 AMG (R231)

• ML63 AMG

• GLE63 AMG / GLE63 S

• GL63 / GLS63 AMG

Compatibility varies by model year and ECU software version.