Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Transform the driving experience of your 2024+ Mercedes CLE450 or CLE53 AMG with the GCA Performance ECU Tune from German Car Accessories. Developed under our GCA Performance line, this precision ECU calibration delivers sharper throttle response, stronger torque, and increased horsepower throughout the entire RPM range for a noticeably more exciting driving experience.
Engineered specifically for the 3.0L turbocharged M256 inline-6 engine, this ECU tune optimizes boost, ignition timing, and fuel mapping to maximize performance while maintaining smooth drivability and reliability. Every original ECU file is securely backed up, allowing you to restore your vehicle to factory settings whenever desired.
Fits
Mercedes-Benz CLE-Class
- 2024 Mercedes CLE450 (A236 Convertible)
- 2025 Mercedes CLE450 (A236 Convertible)
- 2026 Mercedes CLE450 (A236 Convertible)
- 2024 Mercedes CLE450 (C236 Coupe)
- 2025 Mercedes CLE450 (C236 Coupe)
- 2026 Mercedes CLE450 (C236 Coupe)
- 2024 Mercedes-AMG CLE53 (A236 Convertible)
- 2025 Mercedes-AMG CLE53 (A236 Convertible)
- 2026 Mercedes-AMG CLE53 (A236 Convertible)
- 2024 Mercedes-AMG CLE53 (C236 Coupe)
- 2025 Mercedes-AMG CLE53 (C236 Coupe)
- 2026 Mercedes-AMG CLE53 (C236 Coupe)
Engine: 3.0L Turbocharged Inline-6 (M256)
Features
- Developed by GCA Performance
- Up to 75 HP and 100 TQ increase
- Faster throttle response
- Increased horsepower and torque throughout the powerband
- Optimized ignition, boost, and fuel mapping
- Octane-specific ECU calibration
- Factory speed limiter removal
- Adjustable or extended exhaust burble settings
- Configurable cold start function (On/Off)
- Stage 1 (Factory Downpipes) and Stage 2 (GCA Performance Downpipes) tuning available
- Check engine light suppression for off-road downpipe applications
- Factory ECU file securely backed up
- 100% reversible back to stock
- 1-Year Warranty
Performance Gains
- Horsepower Increase: Up to +75 HP
- Torque Increase: Up to +100 TQ
Important Notes
- Mercedes factory torque and horsepower limiters restrict maximum performance. We recommend installing a CPC Module to achieve the full advertised gains. Without a CPC Module, gains of approximately 60 HP and 60 TQ can still be achieved.
- The factory ECU is locked. If you do not purchase the ECU Unlock service, you will need to arrange for your ECU to be unlocked before tuning can be completed.
Tuning Process
- Detailed tuning instructions will be emailed after purchase.
- Your vehicle is tuned using the supplied tuning cable.
- If you purchase the ECU Unlock option, complete unlock instructions will also be provided.
- We will confirm whether your vehicle requires Stage 1 or Stage 2 calibration after your purchase. There is no additional charge for Stage 2 tuning.
Professional Installation
Professional installation is strongly recommended to ensure proper installation, optimal performance, and long-term reliability.
Disclaimer
This product is intended for off-road, racing, competition, or track-use vehicles only. Modifying or disabling emissions-related equipment on pollution-controlled vehicles may violate local, state, or federal regulations. Aftermarket ECU tuning may affect emissions compliance, drivability, factory warranty, insurance coverage, and long-term reliability. The purchaser assumes all responsibility for installation and use of this product.
