Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Engineered with a performance-first mindset, the German Car Accessories (GCA Performance) ECU Tune enhances the performance, responsiveness, and driving experience of your Mercedes-Benz E63 AMG. Designed to optimize the factory ECU calibration, this tune delivers sharper throttle response, stronger torque delivery, improved acceleration, and a more aggressive powerband.
This is more than a simple horsepower upgrade. GCA Performance ECU tuning transforms the way your Mercedes-AMG responds by optimizing power delivery from the mid-range acceleration all the way through the top-end RPM range. The result is a more responsive, powerful, and engaging driving experience while maintaining factory-level refinement.
GCA Performance securely saves your original factory ECU data, allowing your vehicle to be completely reverted back to stock settings at any time.
Fitment
Compatible with:
- 2017-2023 Mercedes-Benz E63 AMG W213
- 2017-2023 Mercedes-Benz E63S AMG W213
- Engine: 4.0L Twin Turbo V8 M177
Tuning Specifications
- Stage 1 tuning available for vehicles with factory downpipes
- Stage 2 tuning available for vehicles equipped with GCA Performance downpipes
- Stage selection will be confirmed through tuning instructions after purchase
- No additional charge for Stage 2 tuning
- Downpipe readiness with check engine light suppression (for off-road use only)
- Enhanced exhaust acoustics with extended or adjustable burble settings
- Factory speed governor removal for unrestricted performance
- Octane-specific calibration tailored to your fuel quality
- Cold start behavior fully configurable (On/Off)
- 100% reversible tuning with the ability to return to stock settings at any time
Performance Gains
- Horsepower Gain: Up to +100 HP
- Torque Gain: Up to +100 TQ
CPC Module Recommendation
- Mercedes-Benz E63 AMG models from 2019-2023 come equipped from the factory with torque and horsepower limitations.
- GCA Performance recommends purchasing a CPC module to maximize tuning gains.
- Without a CPC module, vehicles can still achieve approximately +60 HP and +60 TQ gains.
Tuning Instructions
- After purchase, GCA Performance will email detailed tuning instructions
- The vehicle can be tuned remotely using a provided tuning cable
Warranty
- All German Car Accessories products include a 1-year warranty.