Mercedes R171 SLK350 272.963 272HP Engine Module ECU Kit A2721533779 2 Keys Lock

Mercedes R171 SLK350 272.963 272HP Engine Module ECU Kit is an advanced electronic set designed for the 272.963 petrol engine with 272 HP and an automatic transmission. This solution allows for a cohesive replacement of key powertrain control components, ensuring component compatibility and stable operation of the drivetrain.

Specifications and technical data

• SKU: A2721533779-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2721533779
• Substitutable numbers: A2721533779, A 272 153 37 79, A0024467340, A 002 446 73 40, 0261209064, 0 261 209 064, A2115452308, A 211 545 23 08, A0375456132, A 037 545 61 32
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Application and purpose of the kit

The presented kit includes an electronic engine control module along with related components, such as the ECU module, two keys, and a lock. As a result, it forms a coherent package for the Mercedes SLK R171 generation vehicle with a 272.963 petrol engine and automatic transmission, which facilitates matching it to the specific car configuration.

The set is particularly useful in situations where the controller has been damaged, there are issues with the immobilizer, or it is necessary to replace the entire control set due to communication errors in the vehicle's network. Using a single, matched set minimizes the risk of incompatibility between modules.

Benefits of using a complete ECU module

The set from this Electronic control modules and controllers group provides a number of practical advantages in daily vehicle operation:

• consistency of engine control and immobilizer components,
• easier configuration when installing in a vehicle with an automatic transmission,
• reduced need for programming many separate elements,
• the ability to restore proper operation of the power unit after an electronics failure.

Thanks to this, a mechanic or automotive electrician can focus on the correct installation and adaptation of the kit, rather than on time-consuming selection of individual modules.

Technical characteristics and compatibility

The ECU kit has been designed to work with a petrol engine and an automatic transmission, which is crucial for the proper functioning of features such as gear shifting, torque control, or managing engine operation under load. Using the appropriate type of controller for a given drivetrain configuration reduces the risk of errors, limp mode, and communication problems between modules.

The product comes from the Mercedes brand, which means maintaining factory control logic, compatibility with the electrical installation, and the vehicle's network architecture. This is especially important in models where many comfort and safety functions are linked to the operation of the engine controller.

Condition, verification, and selection of a used controller

The offered set is a secondary market item, which allows for an economical restoration of vehicle efficiency while maintaining an appropriate level of quality. Before installation, it is recommended that the workshop verifies the coding compatibility and performs diagnostics regarding communication with other modules in the car.

If you want to better understand when choosing a used engine controller and other electronic modules is justified, it is worth reading the guide: Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find practical tips there regarding the selection and safe installation of secondary market electronics.

Expanding electronics upgrades in Mercedes

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

To shorten the car's downtime in the workshop and better plan a larger scope of work on electronics, you can also use the practical tips described in the article: how a wide assortment in one warehouse actually shortens your car's downtime at the mechanic. This makes it easier to plan the full scope of module replacement in one go.