Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Unlock the full potential of your 2013-2017 Mercedes-Benz S63 AMG W222/C217 with our GCA Performance ECU Tune. Developed with a performance-first approach, this custom ECU calibration transforms the way your S63 AMG responds, accelerates, and delivers power.
This isn't just a simple power increase - it is a complete improvement in drivability. Throttle response becomes sharper, torque delivery becomes stronger and more consistent, and the entire powerband is optimized to provide a more aggressive and responsive driving experience.
Designed specifically for the legendary 5.5L Twin Turbo V8 M157 engine, GCA Performance tuning refines engine parameters to maximize performance while maintaining reliable operation. From stronger mid-range acceleration to improved top-end power delivery, every part of the RPM range is optimized.
Your factory ECU data is securely saved by GCA Performance, allowing you to return your vehicle to the original stock settings at any time.
We Stand Behind Our Products
- All items from us have a 1-Year Warranty!
Features
- GCA Performance custom ECU calibration
- Increased horsepower and torque output
- Faster throttle response
- Improved acceleration and power delivery
- Optimized RPM powerband
- Octane-specific calibration based on fuel quality
- Adjustable exhaust acoustics and burble settings
- Factory speed limiter removal
- Configurable cold start settings
- 100% reversible tuning process
Tuning Specifications
Fits:
2013, 2014, 2015, 2016, 2017 Mercedes-Benz
Compatible Models:
- S63 AMG Coupe
- S63 AMG Cabriolet
- S63 AMG Sedan
Chassis:
- W222
- C217
Engine:
- 5.5L Twin Turbo V8 M157 Engine
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.
Performance Gains
- Horsepower Gain: Up to +100 HP
- Torque Gain: Up to +100 TQ
Additional Tuning Options
- Downpipe readiness with check engine light suppression (for off-road use only)
- Enhanced exhaust sound with adjustable burble features
- Factory speed governor removal
- Fuel-quality-specific calibration
- Cold start behavior adjustment (On/Off)
Tuning Process
- After purchase, tuning instructions will be emailed to you
- Vehicle tuning is completed through a supplied cable connection
- Original ECU data is securely saved for future restoration
Upgrade your 2013-2017 Mercedes-Benz S63 AMG W222/C217 with the German Car Accessories GCA Performance ECU Tune. Designed for the M157 Twin Turbo V8, this tune delivers increased power, sharper response, and a completely enhanced AMG driving experience.
