Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Manual

Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit Manual is a complete diesel engine control kit designed for versions with a manual transmission. The kit belongs to the Electronic control modules and controllers group, which ensures consistent operation of the powertrain and proper communication with other vehicle systems. This is a solution for users who need a proven, used ECU kit matched to a specific engine and transmission configuration.

Specifications and technical data

• SKU: A6519007500-24
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519007500
• Substitutable numbers: A6519007500, A 651 900 75 00, A0064461540, A 006 446 15 40
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented ECU kit is dedicated to the C200 CDI powertrain in the W204 body, with a 651.913 engine producing 136 HP. As an element from the Electronic control modules and controllers category, it is responsible for precise management of the diesel engine's operation, including fuel dosing, boost parameters, emission control, and cooperation with safety and comfort systems.

The kit configuration is prepared for a manual transmission, which is crucial for proper cooperation with the drivetrain, clutch control logic, and driver assistance systems. Thanks to this solution, it is possible to restore full vehicle functionality after a factory controller failure or after replacing the powertrain.

Compatibility and operating parameters

The kit has been designed to work with a diesel engine, which means adjusting injection maps, cold start strategies, and fuel system pressure management to the specifics of diesel units. Proper ECU software configuration allows for stable operation across the full load range while maintaining factory performance parameters and operating refinement.

In practice, this means that after proper installation and adaptation in the vehicle, the controller ensures:

• consistent operation with the electrical installation and engine sensors,
• proper cooperation with OBD diagnostic systems,
• appropriate response to changes in load and driving conditions,
• maintenance of factory engine protection strategies.

Practical application and benefits of installation

The use of this ECU kit is particularly beneficial in situations where the original controller has been damaged, there are communication problems in the vehicle network, or it is necessary to replace the control set after a major powertrain failure. Choosing a used, original kit allows you to maintain the factory control logic, which is important for engine durability and predictable car behavior.

Compared to universal replacements, a complete ECU kit matched to a specific engine and transmission version minimizes the risk of compatibility issues, communication errors, and improper operation of onboard systems. This is a solution that facilitates the work of workshops specializing in automotive electronics and users expecting the most trouble-free installation possible.

Product condition and installation aspects

The offered kit is in used condition, meaning it comes from vehicle dismantling and has been verified for suitability for further use. Such components are often chosen as an economical alternative to new controllers, while maintaining the original manufacturer's specifications.

Before installation, it is recommended to perform a full vehicle diagnostic and entrust the adaptation and coding of the controller to a specialized service. Correct assignment of the kit to a specific car (including immobilizer and communication network configuration) is crucial for the trouble-free operation of the entire powertrain.

Control system expansion and technical knowledge

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, cooperating modules, or auxiliary controllers, check the available parts in the Mercedes electronic control modules and controllers category.

For users who are considering purchasing a used ECU kit and want to better understand the specifics of automotive electronics, an article describing the selection and operation of such components will be useful – you can find more information in the material Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.