Mercedes W204 C180 271.952 156HP Engine Control Unit ECU A2711504879 Manual

Engine Control Unit Mercedes W204 C180 Kompressor 271.952 156HP is a specialized electronic control module designed for a supercharged gasoline engine, compatible with an automatic transmission. This component from the Electronic Control Modules and Units group is responsible for precise engine management, ensuring stable parameters, correct communication with other vehicle systems, and proper performance.

Specifications and technical data

• SKU: A2711504879-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2711504879
• Substitutable numbers: A2711504879, A 271 150 48 79, A2710101747, A 271 010 17 47, 5WK90721
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and Function of the Engine Control Unit

The presented ECU is designed to work with the C180 Kompressor gasoline engine in the W204 body, in the 156 HP version. It is responsible for controlling fuel injection, ignition, the mechanical supercharger, and coordinating communication with the automatic transmission, safety systems, and the vehicle's diagnostic system.

Thanks to its factory architecture, the control unit maintains consistency with the original electrical system, which promotes stable engine operation, correct throttle response, and proper cooperation with onboard systems.

Benefits of Using an Original Mercedes ECU

Using an original control module in a Mercedes W204 C180 Kompressor allows you to maintain the factory operating characteristics of the engine and automatic transmission. A properly selected ECU:

• supports correct combustion parameters in the gasoline engine,
• ensures compatibility with factory diagnostic systems,
• reduces the risk of communication errors in the CAN network,
• facilitates subsequent calibration and potential software updates.

For the user, this means predictable vehicle behavior, improved engine smoothness, and easier servicing.

Technical Characteristics and Compatibility

The control unit is designed for a gasoline engine working with an automatic transmission, which is crucial when selecting the correct ECU module. Proper matching in terms of engine version, fuel type, and transmission type minimizes the risk of starting problems, transmission errors, and incorrect readings from onboard systems.

The module has dedicated part numbers and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. When selecting, it is advisable to refer to OEM data and reference numbers to ensure full hardware and software compatibility.

Condition, Verification, and Practical Application

The offered control unit comes from the secondary market, allowing for an economical repair of the engine control system while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial for electronic failures resulting from voltage surges, water damage, or installation errors.

Before installation, it is recommended to:

• verify the compatibility of part numbers and interchangeable numbers with your vehicle,
• check the requirements for potential immobilizer programming or adaptation,
• perform post-installation diagnostics to confirm correct communication with all modules.

This approach increases the chances of a successful and durable repair of the engine control system in a Mercedes W204 C180 Kompressor.

Technical Support and Additional Information

To better understand the specifics of used control modules, selection by OEM numbers, and safe installation principles, it is worth consulting a guide dedicated to automotive electronics. Detailed discussion of issues related to used ECUs and sensors can be found in the article Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as control modules, engine control units, or transmission control units, check the available parts in the Mercedes Electronic Control Modules and Units category.