Mercedes-Benz Engine ECU A2729002700 OEM Genuine

The Mercedes-Benz Engine Control Unit A2729002700 is an OEM Genuine engine management module designed for selected Mercedes-Benz vehicles. The ECU is responsible for controlling critical engine functions including fuel injection, ignition timing, turbocharger management, emissions systems and communication with other vehicle control modules.

If your original ECU has failed due to electrical damage, internal component failure or water ingress, replacing it with this OEM Genuine control unit helps restore factory engine performance, drivability and reliability.

Key Features

• OEM Genuine Mercedes-Benz Engine Control Unit.
• Mercedes Part Number: A2729002700.
• Direct replacement for the original ECU.
• Controls engine management and fuel injection systems.
• OEM-quality electronics for dependable operation.
• Designed for long service life and reliable performance.
• Factory connectors for seamless installation.
• Manufactured to original Mercedes-Benz specifications.

Benefits

• Restores factory engine management functionality.
• Supports smooth engine operation and drivability.
• Optimises fuel injection and ignition timing.
• Helps resolve ECU-related engine faults.
• Maintains OEM reliability and performance.
• Suitable for replacing damaged or faulty engine control modules.

Vehicle Compatibility

• Mercedes-Benz CLA350 – selected models.
• Mercedes-Benz GLE400 – selected models.

Please verify compatibility using your VIN number and existing ECU part number before purchasing. ECU specifications can vary depending on engine type, transmission, emissions standard and production date.

Common Symptoms of a Faulty ECU

• Engine fails to start.
• Check Engine Light illuminated.
• Poor engine performance or reduced power.
• Intermittent engine stalling.
• Fuel injection or ignition faults.
• Diagnostic communication errors.
• Limp mode activation.
• Multiple engine management fault codes.

Installation Information

• Professional installation is highly recommended.
• Programming, coding or immobiliser adaptation may be required.
• Diagnostic equipment may be necessary during installation.
• Disconnect the battery before replacing electronic control modules.
• Always confirm part number compatibility before ordering.

Why Choose an OEM Genuine Mercedes-Benz ECU?

OEM Genuine Mercedes-Benz control units are engineered to deliver precise engine management, maximum reliability and full compatibility with your vehicle's electronic systems. Replacing a faulty ECU with an OEM Genuine unit helps restore factory performance, fuel efficiency and long-term reliability while ensuring seamless integration with other onboard control modules.