Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.

Unlock the hidden performance potential of your 2024+ Mercedes-Benz CLE200 or CLE300 with the GCA Performance ECU Tune. Designed with a performance-first approach, this custom ECU calibration enhances throttle response, acceleration, and overall driving dynamics while optimizing the factory 2.0L turbocharged engine.

Developed by German Car Accessories (GCA) under our GCA Performance lineup, this ECU tune improves torque delivery, sharpens throttle input, and refines the entire powerband for a more responsive and engaging driving experience. Whether driving daily or enjoying spirited performance, your CLE-Class will deliver stronger acceleration and improved drivability.

GCA Performance securely saves your factory ECU data, allowing you to restore your vehicle back to the original factory calibration whenever needed.

We Stand Behind Our Products

• All GCA Performance products include a 1-Year Warranty.

Fitment

Fits:

• 2024 Mercedes-Benz CLE200
• 2025 Mercedes-Benz CLE200
• 2026 Mercedes-Benz CLE200
• 2024 Mercedes-Benz CLE300
• 2025 Mercedes-Benz CLE300
• 2026 Mercedes-Benz CLE300

Chassis:

• A236 Convertible
• C236 Coupe

Engine:

• 2.0L Turbocharged M254 Engine

Key Features

• GCA Performance custom ECU calibration
• Increased horsepower and torque output
• Improved throttle response and acceleration
• Optimized torque delivery throughout the RPM range
• Enhanced engine responsiveness
• Adjustable exhaust acoustics with extended burble settings
• Factory speed limiter removal
• Octane-specific calibration based on fuel quality
• Adjustable cold start behavior (On/Off)
• Fully reversible ECU programming
• Stage 1 and Stage 2 tuning support

Tuning Specifications

• Engine: 2.0L Turbocharged M254
• Horsepower Gain: +60 HP
• Torque Gain: +60 TQ

Available Tuning Options:

Stage 1

• Designed for vehicles with factory downpipes

Stage 2

• Designed for vehicles equipped with GCA Performance downpipes

Stage 2 calibration is available at no additional charge. Final tuning requirements will be confirmed after purchase.

ECU Unlock Information

• The factory ECU on the Mercedes-Benz CLE200/CLE300 comes locked.
• If an ECU unlock is not purchased, the customer must arrange ECU unlocking before tuning can be completed.

Tuning Instructions

• After purchase, tuning instructions will be emailed to you.
• ECU removal and shipment to GCA Performance will be required for calibration.
• Professional installation is always recommended.

Important Disclaimer

Removing, disabling, or modifying emissions-related equipment on pollution-controlled vehicles may be illegal. This product is intended only for racing, competition, track, hobby, or off-road use.

Installation and usage of aftermarket software may affect drivability, reliability, emissions compliance, insurance coverage, and factory warranty. All installation and usage risks are the responsibility of the end user and installer.