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 2024+ Mercedes-Benz C63 AMG S E Performance with the GCA Performance ECU Tune from German Car Accessories. Specifically developed for the W206 C63 AMG equipped with the 2.0L M139 Turbo Hybrid powertrain, this calibration delivers sharper throttle response, stronger acceleration, and optimized power delivery throughout the entire RPM range.
Designed by German Car Accessories (GCA) under our GCA Performance line, this ECU tune transforms the driving experience by maximizing engine efficiency while maintaining smooth drivability. Whether you're looking for improved daily performance or greater track capability, our software is engineered to provide reliable gains and consistent performance.
Every tune is customized for your vehicle and fuel quality, with support for both Stage 1 (factory downpipes) and Stage 2 (GCA Performance downpipes). Factory ECU data is securely backed up, allowing your vehicle to be returned to stock at any time.
Why Choose GCA Performance ECU Tuning?
- Increased horsepower and torque throughout the powerband
- Sharper throttle response and improved acceleration
- Optimized boost, ignition timing, and fuel mapping
- Stage 1 and Stage 2 tuning available at no additional charge
- Factory speed limiter removal
- Configurable cold start behavior
- Optional adjustable burble tuning
- Reversible software with factory file backup
- 1-Year GCA Warranty
Performance Gains
- Up to 60 HP Increase
- Up to 60 LB-FT Torque Increase
Actual gains may vary depending on fuel quality, vehicle condition, and supporting modifications.
Tuning Specifications
- Fits 2024, 2025, and 2026 Mercedes-Benz C63 AMG S E Performance (W206)
- Compatible with the 2.0L Turbocharged Inline-4 M139 Hybrid Engine
- Octane-specific custom calibration
- Downpipe compatibility with check engine light suppression (off-road use only)
- Enhanced exhaust acoustics with configurable burble settings
- Factory speed governor removal
- Cold start on/off configuration
- 100% reversible ECU calibration
- Available in both Stage 1 and Stage 2
Important: The W206 C63 AMG ECU is factory locked. If you do not purchase an ECU unlock service, you must have the ECU unlocked before tuning can be completed.
Tuning Process
After placing your order:
- We will email detailed tuning instructions.
- The ECU must be removed and shipped to us for unlocking and tuning (if required).
- Your tuned ECU will be returned ready for installation.
Vehicle Fitment
Mercedes-Benz C-Class
- 2024 Mercedes-Benz C63 AMG S E Performance (W206)
- 2025 Mercedes-Benz C63 AMG S E Performance (W206)
- 2026 Mercedes-Benz C63 AMG S E Performance (W206)
