Mercedes W169 A160 CDI OM640.942 82HP Engine Unit ECU Kit A6401500434 Automatic

Mercedes W169 A160 CDI OM640.942 82HP Engine Unit ECU Kit Automatic is a complete powertrain control set designed for the diesel version with an automatic transmission. The kit belongs to the Electronic control modules and controllers group, which guarantees component consistency and proper cooperation with the vehicle's electrical system. This is a solution for users who expect stable engine operation and correct communication between all electronic components.

Specifications and technical data

• SKU: A6401500434-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6401500434
• Substitutable numbers: A6401500434, A 640 150 04 34, 0281014539, 0 281 014 539, A1695451908, A 169 545 19 08, A1695452932, A 169 545 29 32
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and compatibility

The presented engine ECU kit is dedicated to Mercedes A-Class W169 generation models in the A160 CDI version with the 82 HP OM640.942 diesel unit. The kit's design is prepared for operation with a diesel powertrain and an automatic transmission, which is crucial for the correct functioning of gear shifting, torque control, and safety systems.

As an item from the Electronic control modules and controllers group, the kit is responsible for coordinating engine operation, communicating with other modules in the vehicle, and handling operational parameters. This makes it possible to maintain the proper performance characteristics of the powertrain, in accordance with the manufacturer's factory specifications.

ECU function in a diesel engine

In a diesel engine, the engine control unit acts as the central unit managing the combustion process. It is responsible for, among other things:

• precise fuel dosing depending on load and engine speed,
• injection system pressure control,
• cooperation with temperature, pressure, and airflow sensors,
• coordination with the automatic transmission regarding torque,
• handling diagnostic functions and recording errors in the controller's memory.

A properly selected engine ECU kit allows for maintaining stable operating parameters, facilitates diagnostics, and reduces the risk of improper powertrain operation after replacing electronic components.

Application in vehicles with an automatic transmission

In vehicles with an automatic transmission, the engine controller must communicate with the transmission module to ensure smooth gear shifts and appropriate response to accelerator pedal input. The kit designed for the automatic version is configured for:

• correct transmission of engine load information to the gearbox,
• torque control during gear shifts,
• maintaining proper dynamics during starting and acceleration,
• integration with driver assistance systems.

As a result, installing a kit dedicated to an automatic transmission minimizes the risk of software conflicts and communication issues between modules.

Benefits of using a complete ECU kit

Using a complete engine ECU kit in a Mercedes W169 A160 CDI brings a number of practical service and operational benefits. The most important include:

• Consistency of electronic components – the modules come from a single vehicle configuration, which facilitates adaptation and limits the need for additional programming.
• Simplified diagnostics – proper communication between the engine controller and other modules allows for faster identification of potential faults.
• Adaptation to the diesel unit – operating parameters are prepared for the specifics of a diesel engine, which promotes stability and predictability of response to load.
• Compatibility with automatic transmission – the kit is designed to work with an automatic gearbox, which is important for driving comfort and powertrain durability.

Professional selection and additional information

To properly select an engine ECU kit for a specific vehicle, it is worth verifying the compatibility of the engine configuration, fuel type, and transmission type with the car's factory data. In case of doubt, it is helpful to compare the parameters recorded in the service documentation or consult a specialized workshop dealing with automotive electronics.

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 controllers, engine management modules, or parameter control systems, check the available parts in the Mercedes electronic control modules and controllers category.

For a better understanding of how original electronic modules affect driving characteristics and vehicle behavior, it is worth reading an article describing the role of factory components in maintaining the brand's properties – this is discussed in detail in the post Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.