Mercedes W169 W245 A160 B160 CDI OM640.942 82HP Engine ECU A6401500101 Automatic

The Mercedes W169 W245 A160 B160 CDI OM640.942 82HP Engine ECU Automatic is a factory electronic engine control unit designed for A-Class and B-Class models with the OM640 diesel engine and an automatic transmission. As part of the Electronic Control Modules and Controllers group, it is responsible for precise engine operation management, fuel injection, and coordination with the automatic gearbox. This is a solution for users who want to restore the proper functioning of the powertrain while maintaining the original performance characteristics of a Mercedes.

Specifications and technical data

• SKU: A6401500101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6401500101
• Substitutable numbers: A6401500101, 0281015961, 0 281 015 961, KZ
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Intended Use and Compatibility

The presented engine control unit is designed for use in Mercedes A-Class W169 and Mercedes B-Class W245 vehicles, specifically in the A160 CDI and B160 CDI versions with the OM640.942 82 HP engine. The module's design is adapted for cooperation with an automatic transmission, ensuring correct communication with the powertrain, injection system, and other vehicle controllers.

Engine Control Unit Function

The electronic engine control unit in this model is responsible for:

• controlling the fuel injection quantity and timing in the OM640.942 unit,
• managing engine operating parameters under various load conditions,
• cooperating with the automatic transmission in terms of torque data transmission,
• communicating with other modules in the vehicle network (including safety and comfort systems),
• supporting onboard diagnostics through standard service interfaces.

This ensures stable engine operation, proper functioning of the automatic transmission, and maintenance of the factory driving parameters characteristic of the Mercedes brand.

Benefits of Using an Original Module

Using an original engine control unit in A160/B160 CDI models ensures software and hardware consistency throughout the vehicle. In practice, this means:

• correct matching to the vehicle's electrical system and architecture,
• stable cooperation with the automatic transmission without unwanted errors,
• the possibility of performing standard adaptation and coding procedures at a service center,
• maintaining engine performance characteristics in line with the manufacturer's original specifications.

For the user, this translates to consistent powertrain operation, predictable throttle response, and correct interaction with safety and comfort systems.

Condition and Service Application

The module comes from a used vehicle, making it an attractive service solution for owners of older A-Class and B-Class models where a reasonable repair cost while maintaining original specifications is important. This type of control unit is particularly useful in situations where the existing ECU has suffered electronic damage, has been flooded, or there are communication problems within the vehicle network.

Before installation, standard workshop procedures should be followed, such as software adaptation, potential coding for the specific vehicle, and verification of the electrical system. A correctly prepared and configured control unit allows for restoring full powertrain functionality without the need for mechanical engine intervention.

Mercedes Electronic Control Modules – Expansion and Modernization

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other components from the same group, such as engine controllers, comfort modules, or transmission controllers, check the available parts in the Mercedes Electronic Control Modules and Controllers category.

More About the Role of Original Control Units in Modern Cars

Modern cars, regardless of brand, rely heavily on the cooperation of numerous electronic modules. It is worth understanding how manufacturers like Audi and Mercedes design their systems and why using original control units helps preserve the vehicle's character. You can find more on this topic in the article Audi and Pure Emotion. How Used Parts Help Maintain the Brand's DNA?, which effectively illustrates the significance of factory modules in modern designs.