Description
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Unlock the full potential of your 2023+ Mercedes-Benz C43 AMG with the GCA Performance ECU Tune from German Car Accessories. Designed specifically for the W206 C43 AMG platform, this calibration upgrade transforms your vehicle's performance by optimizing power delivery, throttle response, and overall drivability.
Engineered with a performance-first approach, GCA Performance ECU tuning enhances the entire powerband for stronger acceleration, improved torque delivery, and sharper engine response. From everyday driving to spirited performance runs, your C43 AMG gains a more aggressive and responsive driving experience.
GCA Performance securely saves your factory ECU data, allowing your vehicle to be returned to the original factory settings at any time. Stage 1 tuning is available with factory downpipes, while Stage 2 tuning is available when paired with GCA Performance downpipes for maximum performance potential.
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All items from us include a 1-Year Warranty!
Fitment
Fits:
2024 2025 2026 W206 Mercedes-Benz C43 AMG Sedan
Engine:
2.0L Turbocharged 4-Cylinder M139 Engine
Key Features
- Increased horsepower and torque output
- Improved throttle response and acceleration
- Optimized torque delivery throughout the RPM range
- Enhanced exhaust acoustics with adjustable burble options
- Factory speed limiter removal
- Octane-specific calibration based on fuel quality
- Cold start behavior customization (On/Off)
- Downpipe readiness with check engine light suppression (for off-road use only)
- Fully reversible ECU calibration
- Stage 1 and Stage 2 tuning options available
Performance Gains
- Horsepower Gain: +75 HP
- Torque Gain: +100 TQ
The factory C43 AMG includes torque and horsepower limitations. A CPC module is recommended to maximize performance gains. Without a CPC module, gains of approximately +40 HP and +40 TQ can still be achieved.
For vehicles with ECU lock protection, an ECU unlock may be required before tuning can be completed.
Tuning Instructions
- After purchase, tuning instructions will be emailed to you
- Vehicle tuning is completed through a provided cable
- ECU unlock instructions will be provided if purchased
- Stage selection will be confirmed after purchase based on your vehicle setup
