Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Unlock the full performance potential of your 2012-2015 Mercedes-Benz ML350 or ML400 with the German Car Accessories Performance ECU Tune. Developed by German Car Accessories (GCA) under our GCA Performance line, this precision ECU calibration is specifically engineered for the 3.0L Twin Turbo M276 V6, delivering noticeable gains in horsepower, torque, throttle response, and overall drivability.
Engineered with a performance-first mindset, this ECU tune transforms the way your Mercedes SUV responds on the road. Turbo spool is quicker, throttle response becomes more immediate, and power delivery is significantly stronger throughout the RPM range. Whether you're commuting, towing, or enjoying spirited driving, your ML-Class will accelerate with greater confidence while maintaining smooth and refined operation.
Every GCA Performance ECU Tune is custom-calibrated to your vehicle and fuel quality, ensuring maximum performance without sacrificing reliability. Both Stage 1 and Stage 2 calibrations are available. Stage 1 is designed for vehicles equipped with factory downpipes, while Stage 2 is optimized for vehicles fitted with GCA Performance Downpipes. There is no additional cost for Stage 2 tuning.
Additional tuning features include factory speed limiter removal, configurable cold start operation, adjustable exhaust burble settings, and check engine light suppression for compatible off-road downpipe applications. Before tuning begins, your original ECU software is securely backed up, allowing your vehicle to be restored to factory calibration whenever desired.
After purchase, German Car Accessories provides the required programming cable and detailed flashing instructions, allowing you to tune your vehicle safely and conveniently from home.
Every GCA Performance ECU Tune is backed by a 1-Year Warranty.
Fitment
Fits:
- 2012-2015 Mercedes-Benz ML350
- 2012-2015 Mercedes-Benz ML400
- W166 / C292 Chassis
- 3.0L Twin Turbo V6 M276 Engine
Performance Gains
- Up to 60 HP Increase
- Up to 60 lb-ft Torque Increase
Features
- Designed by German Car Accessories (GCA)
- GCA Performance ECU Calibration
- Stage 1 Tuning Available
- Stage 2 Tuning Available (GCA Performance Downpipes)
- No Additional Charge for Stage 2 Calibration
- Faster Throttle Response
- Improved Turbo Response
- Increased Horsepower and Torque
- Optimized Powerband Performance
- Octane-Specific ECU Calibration
- Factory Speed Limiter Removal
- Adjustable or Extended Exhaust Burble
- Configurable Cold Start Function (On/Off)
- Downpipe Check Engine Light Suppression (Off-Road Use Only)
- Factory ECU File Securely Backed Up
- 100% Reversible to Factory Software
- Programming Cable Included
- Detailed Installation Instructions Provided After Purchase
- Backed by a 1-Year Warranty
Specifications
- Brand: German Car Accessories
- Product: Performance ECU Tune
- Vehicle: Mercedes-Benz ML350 / ML400
- Chassis: W166 / C292
- Engine: 3.0L Twin Turbo V6 M276
- Tuning Stages: Stage 1 / Stage 2
- Installation Method: ECU Flash via Included Programming Cable
