Description
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Unlock the true performance potential of your 2015-2023 Mercedes-Benz C63 AMG or C63 S AMG with the GCA Performance ECU Tune from German Car Accessories. Designed specifically for the W205 platform and the powerful 4.0L Twin Turbo V8 M177 engine, this performance calibration transforms your AMG's throttle response, power delivery, and overall driving experience.
Engineered with a performance-first approach, GCA Performance ECU tuning optimizes every part of the powerband to deliver stronger acceleration, improved torque delivery, and sharper throttle response. From aggressive mid-range pulls to high-RPM performance, your C63 AMG is recalibrated to perform with the responsiveness and intensity expected from an AMG V8.
Your factory ECU data is securely saved, allowing you to return your vehicle back to the original factory calibration at any time. With customizable options including cold start adjustments, enhanced exhaust acoustics, speed limiter removal, and fuel-specific tuning, this upgrade is designed for enthusiasts who want maximum performance while maintaining everyday drivability.
Both Stage 1 (factory downpipes) and Stage 2 (GCA Performance downpipes) calibrations are available at no additional cost, ensuring your tune matches your vehicle setup.
Features
- Developed under the GCA Performance tuning line
- Optimized horsepower and torque output
- Sharper throttle response and improved acceleration
- Stronger torque delivery throughout the RPM range
- Enhanced exhaust sound characteristics
- Adjustable burble settings
- Factory ECU backup and full reversibility
- Stage 1 and Stage 2 tuning included
- One-Year Warranty included
Tuning Specifications
- Fits:
2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Mercedes-Benz W205 C63 AMG & C63 S AMG – 4.0L Twin Turbo V8 M177 Engine - Downpipe readiness with check engine light suppression (for off-road use only)
- Enhanced exhaust acoustics with extended or adjustable burble
- Factory speed governor removal
- Octane-specific calibration based on fuel quality
- Fully adjustable cold start behavior (On/Off)
- 100% reversible factory restoration capability
- Stage 1 (Factory Downpipes) and Stage 2 (GCA Performance Downpipes) tuning available
Performance Gains
- Horsepower Increase: Up to 100 HP
- Torque Increase: Up to 100 lb-ft
2019-2023 Model Note
For 2019-2023 C63 AMG and C63 S AMG models, Mercedes includes factory torque and horsepower limitations through the CPC module. To maximize tuning potential, we recommend adding a CPC module.
- Without CPC Module: Up to 60 HP and 60 lb-ft torque gains
- With CPC Module: Full tuning potential available
Actual gains may vary depending on vehicle condition, fuel quality, and supporting modifications.
Tuning Process
- Tuning instructions are emailed after purchase
- Vehicle tuning is completed through a supplied cable
- No ECU removal required
- Simple at-home flashing process with guided instructions
Transform your 2015-2023 Mercedes-Benz C63 AMG or C63 S AMG W205 with the GCA Performance ECU Tune. Delivering up to 100 additional horsepower and torque, optimized throttle response, customizable performance features, and full reversibility, this software upgrade unlocks the true capability of the M177 Twin Turbo V8.