Mercedes W203 C200 Kompressor M271.940 163HP Engine ECU A2711534691 Automatic

Mercedes W203 C200 Kompressor M271.940 163HP Engine ECU is a specialized electronic control module designed for the supercharged petrol engine in the C-Class model. This advanced controller, dedicated to working with an automatic transmission, is responsible for precise engine management, ensuring stable power characteristics and proper communication with other vehicle systems. It is a solution for users looking for a proven component with factory performance characteristics, enabling the restoration of full powertrain functionality.

Specifications and technical data

• SKU: A2711534691
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2711534691
• Substitutable numbers: A2711534691, A 271 153 46 91, A0014466902, A 001 446 69 02, 5WK90548
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the controller

The presented engine ECU is designed to support the supercharged petrol powertrain in the W203 generation C-Class. As an element of the Electronic control modules and ECUs group, it is responsible for key processes such as fuel injection control, ignition management, and cooperation with safety and comfort systems. Using a dedicated controller allows for maintaining proper engine operating parameters, reducing the risk of communication errors in the vehicle network, and facilitating diagnostics using factory service tools.

Compatibility with the petrol engine and automatic transmission

The ECU is configured to work with an engine powered by petrol, which is crucial for injection maps, ignition strategies, and supercharger system operation. At the same time, the module is adapted to work with an automatic transmission, allowing it to correctly exchange data with the transmission control module, supporting smooth gear shifts and stable drive operation in various driving modes. Such matching reduces the risk of incompatibility and facilitates the adaptation process after installation.

Application in service practice

This engine ECU is particularly useful in situations where the existing controller has suffered electronic damage, there are communication problems in the vehicle network, or persistent errors related to engine operation occur. Replacing it with a properly selected module allows you to:

• restore correct starting and stable operation of the supercharged engine,
• maintain proper cooperation with the automatic transmission,
• maintain compliance with the vehicle's factory electronic architecture,
• facilitate further diagnostics and potential programming in a specialized service center.

For workshops and private users, this means the possibility of effective repair without the need for costly replacement of entire mechanical components, while maintaining high repeatability of operating parameters.

Product characteristics and benefits of choosing it

The offered module belongs to the group of OEM electronic controllers, which translates into a proper fit for the electrical installation and the vehicle's network architecture. Thanks to this, installation in place of the factory ECU does not require interference with the wiring harness, and the adaptation process can be carried out in accordance with the service procedures provided for this model. The user gains a component with parameters close to factory ones, which allows for maintaining the original operating characteristics of the engine and transmission.

The product is offered as a used item, which is a cost-effective solution while maintaining the functionality necessary for the proper operation of the powertrain. It is a practical option for drivers who want to restore vehicle efficiency while keeping the repair budget reasonable.

Electronic system expansion and service knowledge

In the case of modern premium vehicles such as Mercedes, proper handling of controllers requires knowledge of electronic architecture and programming procedures. If you want to better understand how similar modules work in other brands and how to safely use dismantled parts, it is worth checking out expert material. Practical tips on working with control modules and multimedia systems can be found in the article on servicing iDrive systems and electronic modules in BMW using used parts, which helps to organize the approach to diagnostics and the selection of electronics in high-end vehicles.

If you are planning a comprehensive repair or upgrade of the engine and transmission control area in your Mercedes and need other elements from the same group, such as additional controllers, powertrain management modules, or engine control units, check the available parts in the Mercedes Electronic control modules and ECUs category.