Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Unlock the full performance potential of your 2015-2022 Mercedes-Benz GLC43 AMG with our GCA Performance ECU Tune, engineered specifically for the X253/C253 platform equipped with the M276 3.0L Twin Turbo V6 engine.
Designed by German Car Accessories (GCA) under our GCA Performance line, this ECU calibration transforms the driving experience by optimizing factory engine parameters for improved power delivery, sharper throttle response, and stronger acceleration.
This isn't just a simple horsepower upgrade — it's a complete performance refinement. Torque delivery becomes more consistent, throttle input feels more immediate, and the entire power band is optimized to provide a more responsive and engaging driving experience.
GCA Performance securely saves your factory ECU data, allowing you to restore your Mercedes-Benz GLC43 AMG back to its original factory settings at any time.
We Stand Behind Our Products
- All GCA Performance products include a 1-Year Warranty
- Factory ECU data securely saved for complete reversibility
Features
- Optimized ECU calibration for improved performance
- Increased horsepower and torque output
- Faster throttle response and stronger acceleration
- Enhanced exhaust acoustics with adjustable burble options
- Factory speed limiter removal
- Octane-specific calibration based on fuel quality
- Cold start behavior customization
- Stage 1 and Stage 2 tuning available
- 100% reversible factory restoration capability
Tuning Specs
- Fits: 2015 2016 2017 2018 2019 2020 2021 2022 W253/X253/C253 Mercedes-Benz GLC43 AMG
- Engine: 3.0L Twin Turbo V6 M276 Engine
- Downpipe Readiness: Check engine light suppression available (for off-road use only)
- Speed Limiter: Removed for unrestricted performance
- Fuel Calibration: Octane-specific tuning available
- Cold Start: Fully configurable (On/Off)
- Reversibility: 100% Reversible, can return to stock at any time
Tuning Gains
- Horsepower Gain: +100 HP
- Torque Gain: +100 TQ
2019-2022 Model Year Information
For 2019-2022 Mercedes-Benz GLC43 AMG models, the vehicle comes equipped with a factory torque and horsepower limiter.
To maximize performance gains, we recommend purchasing a CPC module. Without the CPC module, the vehicle can still achieve approximately:
- Horsepower Gain: +60 HP
- Torque Gain: +60 TQ
Available Stages
- Stage 1: Designed for vehicles with factory downpipes
- Stage 2: Designed for vehicles equipped with GCA Performance downpipes
We will confirm the correct tuning stage after purchase. Stage 2 tuning does not require an additional charge.
Tuning Instructions
- After purchase, tuning instructions will be emailed to you
- The vehicle can be tuned through a cable, which will be provided
Vehicle Fitment
- 2015 Mercedes-Benz GLC43 AMG (X253/C253)
- 2016 Mercedes-Benz GLC43 AMG (X253/C253)
- 2017 Mercedes-Benz GLC43 AMG (X253/C253)
- 2018 Mercedes-Benz GLC43 AMG (X253/C253)
- 2019 Mercedes-Benz GLC43 AMG (X253/C253)
- 2020 Mercedes-Benz GLC43 AMG (X253/C253)
- 2021 Mercedes-Benz GLC43 AMG (X253/C253)
- 2022 Mercedes-Benz GLC43 AMG (X253/C253)
Note: This ECU Tune is designed specifically for the 2015-2022 Mercedes-Benz GLC43 AMG equipped with the M276 3.0L Twin Turbo V6 engine. Professional installation and following the provided tuning instructions are recommended for the best performance results.
