Mercedes W176 A200 CDI OM651 136HP Engine Module ECU Kit A6519007003 Automatic

Mercedes W176 A200 CDI OM651 136HP Engine Module ECU Kit is a specialized control set designed for the OM651 diesel unit with 136HP, paired with an automatic transmission. This item from the Electronic control modules and controllers category ensures precise engine management, supporting stable operation, appropriate dynamics, and correct communication with other vehicle systems. Thanks to its factory OEM design, it is the right choice for professional repairs or replacing a damaged controller.

Specifications and technical data

• SKU: A6519007003-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519007003
• Substitutable numbers: A6519007003, A 651 900 70 03, A2469055103, A 246 905 51 03, KD
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Application and compatibility

The presented ECU kit is designed for the Mercedes A-Class W176 A200 CDI model with the 136HP OM651 diesel engine, working with an automatic transmission. It is responsible for handling key engine operating parameters, such as fuel dosage, boost pressure, or starting strategy, as well as communication with other controllers in the vehicle network.

Due to the specific nature of engine electronics, it is recommended to verify compatibility by OEM number and interchangeable numbers before installation, as well as to match it according to software version and equipment configuration. Proper selection allows for maintaining full functionality of factory systems and avoiding communication issues on the vehicle bus.

Technical characteristics of the ECU module

The module operates in a diesel engine environment, so its software and hardware are adapted to the specifics of the Diesel engine, including support for the injection system, boost control, and emission reduction systems. Integrated control algorithms are prepared to work with an automatic transmission, which enables correct data exchange regarding load, torque, and gear shifting strategies.

In practice, this means that the controller manages not only the engine operation itself but also the cooperation with the transmission, which affects the smoothness of acceleration, throttle response, and driving comfort in various operating modes. Consistency of ECU calibration with the drivetrain is crucial for maintaining factory performance parameters and fuel consumption.

Professional installation and configuration

As an advanced automotive electronics component, the module requires a professional approach during installation and configuration. In most cases, it is necessary to adapt it to a specific vehicle, including adaptation, potential coding, and synchronization with the immobilizer and other controllers. Installation in a specialized service center equipped with appropriate diagnostic software is recommended.

To better understand the principles of selecting and installing used engine controllers, it is worth using the Global Parts guide – it discusses in detail the issues of compatibility, OEM markings, and installation procedures: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Benefits of using an original ECU module

Using an original control module dedicated to a specific engine and transmission configuration allows for maintaining the factory operating characteristics of the drive. A properly selected controller supports stable cold starts, predictable throttle response, and correct cooperation with safety and comfort systems. In the case of replacing a damaged ECU, this is a solution that allows for restoring full vehicle functionality without the need for interfering with the electrical installation.

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 controllers working with the injection system, check the available parts in the Mercedes electronic control modules and controllers category.