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 2011-2017 Mercedes-Benz E500/E550 W212/C207 with our GCA Performance ECU Tune. Engineered with a performance-first approach, this custom ECU calibration transforms the way your Mercedes responds, accelerates, and delivers power.
More than just a horsepower upgrade, GCA Performance tuning enhances the complete driving experience. Throttle response becomes sharper, torque delivery becomes stronger and more consistent, and the entire powerband is optimized for improved acceleration and drivability.
Designed specifically for the 4.7L V8 Twin Turbo M278 engine, this tune optimizes engine parameters based on your vehicle setup and fuel quality. From stronger mid-range acceleration to improved top-end performance, every aspect of the engine response is refined for maximum performance.
Your factory ECU data is securely saved, allowing you to return your vehicle to its original factory settings at any time.
We Stand Behind Our Products
- All items from us have a 1-Year Warranty!
Features
- GCA Performance custom ECU calibration
- Improved horsepower and torque output
- Sharper throttle response
- Stronger and more consistent torque delivery
- Optimized powerband performance
- Octane-specific calibration based on fuel quality
- Factory speed limiter removal
- Adjustable exhaust burble settings
- Configurable cold start behavior
- 100% reversible tuning process
Tuning Specifications
Fits:
2011, 2012, 2013, 2014, 2015, 2016, 2017 Mercedes-Benz
Compatible Models:
- E500
- E550
Chassis:
- W212 Sedan
- C207 Coupe
Engine:
- 4.7L V8 Twin Turbo M278 Engine
Drive Options:
- RWD
- 4MATIC
Available Tuning Stages
Stage 1 Tune
- Designed for vehicles with factory downpipes
Stage 2 Tune
- Designed for vehicles equipped with GCA Performance Downpipes
After purchase, tuning instructions will confirm which stage is required for your vehicle setup. Stage 2 tuning is included at no additional cost when applicable.
Performance Gains
- Horsepower Gain: Up to +120 HP
- Torque Gain: Up to +150 TQ
Additional Tuning Options
- Downpipe readiness with check engine light suppression (for off-road use only)
- Enhanced exhaust acoustics with extended or adjustable burble
- Factory speed governor removal
- Custom fuel calibration
- Cold start activation/deactivation
Tuning Process
- After purchase, tuning instructions will be emailed to you
- Vehicle tuning is completed through a supplied cable connection
- Factory ECU settings remain saved for easy restoration
Upgrade your 2011-2017 Mercedes-Benz E500/E550 W212/C207 with the German Car Accessories GCA Performance ECU Tune. Designed for the M278 Twin Turbo V8, this calibration delivers increased horsepower, stronger torque, sharper response, and a completely transformed AMG-inspired driving experience.