Mercedes-Benz A-Class W169 A150 Engine Control Unit Module A2661536379 Manual

The Mercedes-Benz A-Class W169 A150 Engine Control Unit Module is a factory electronic control module designed for models with a manual transmission. This is a used part from the Electronic Control Units and Controllers group, which allows for professional repair of the engine control system without the need for unknown aftermarket replacements.

Specifications and technical data

• SKU: A2661536379
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2661536379
• Substitutable numbers: A2661536379 5WK90938 A0014460304, A 2661536379, A 0014460304, A 266 153 63 79, A 001 446 03 04, ŁS
• Gearbox type: Manual
• Category: ECUs & Computer Modules

ECU Module Purpose and Function

The presented engine controller is specifically designed for the Mercedes-Benz A-Class W169 A150 model with a manual gearbox. Its function is to precisely manage the engine's operation, including fuel injection, ignition, and interaction with other vehicle electronic systems. By retaining the original manufacturer's architecture, the module ensures compatibility with the factory electrical system and software logic used in this model.

Benefits of Using an Original Control Module

Using an original electronic control module for the Mercedes A-Class W169 A150 allows for engine operating parameters to remain consistent with the manufacturer's specifications. A used OEM part is a solution that combines an attractive price with high quality and perfect fit. In practice, this means:

• correct integration with the vehicle's electrical system without the need for wiring modifications,
• retention of factory engine control strategies,
• reduced risk of communication errors within the vehicle network,
• the possibility of professional repair of the control system without altering the car's structure.

For workshops and individual users, this translates to stable engine operation and easier diagnostics based on standard service procedures.

Compatibility with Manual Transmission

The module is designed to work with a manual transmission, which is crucial when selecting the correct ECU for a specific vehicle configuration. The controller takes into account the engine's operating characteristics in conjunction with a manual gearbox, influencing throttle response, idle speed strategy, and interaction with safety and comfort systems. Proper matching of the transmission type minimizes the risk of software compatibility issues and communication problems with other modules in the vehicle.

Professional Selection and Compatibility

When selecting a controller for the Mercedes A-Class W169 A150, it is essential to pay attention to OEM markings and interchangeable part numbers to ensure full hardware and software compatibility with the specific vehicle version. A used module from this group can be a valuable solution for both routine repairs and replacement of a damaged ECU after an electrical or mechanical failure. In many cases, it is possible to utilize the existing configuration after appropriate programming or adaptation in the vehicle by a specialized service center.

If you want to better understand how to safely choose used engine controllers and other electronic components, it is worth reading the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?

Practical Application in Service

A used engine control module for the Mercedes A-Class W169 A150 is suitable for both professional dealerships and specialized independent workshops. It can be used for:

• repairing vehicles after electrical damage,
• resolving starting issues or unstable engine operation resulting from ECU damage,
• restoring the control system's functionality after unsuccessful electronic modifications.

Thanks to the retention of the original controller design, it is possible to use factory diagnostic procedures and standard service tools used for the Mercedes brand.

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 controllers, engine management modules, or other ECUs, check the available parts in the Mercedes Electronic Control Units and Controllers category.