Mercedes W203 C200 CDI OM646.962 122HP ECU Kit 2 Keys Lock A6461506679 Automatic

Mercedes W203 C200 CDI OM646.962 122HP ECU Kit 2 Keys Lock is a practical solution for workshops and users who need a proven engine control package for a diesel unit with an automatic transmission. The set includes an electronic control module from the Electronic control modules and controllers group along with immobilizer components, which facilitates the restoration of full vehicle functionality after a failure or engine replacement.

Specifications and technical data

• SKU: A6461506679-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6461506679
• Substitutable numbers: A6461506679, A 646 150 66 79, 0281012228, 0 281 012 228, A2095451908, A 209 545 19 08
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Application and compatibility

The presented ECU kit is designed for the Mercedes W203 C200 CDI model with an OM646.962 series diesel engine with 122HP, equipped with an automatic transmission. This selection of components allows for maintaining compliance with the vehicle's factory electrical architecture, including the injection system, starting system, and anti-theft protections.

The presence of two keys and a lock in one package significantly facilitates the adaptation process in the car, reducing the need for additional programming and minimizing the risk of conflicts with the existing immobilizer.

Kit construction and controller function

The set includes an electronic engine controller responsible for managing the operation of the diesel unit, including fuel dosing, boost pressure control, accessory operation, and cooperation with the automatic transmission. The lock and two keys are an integral part of the security system, ensuring consistency between the engine electronics and the starting system.

A kit configured in this way is particularly useful for:

• replacing a damaged engine controller in a C200 CDI,
• swapping a powertrain unit within the same generation,
• solving problems with the immobilizer and lack of communication with the ECU.

Benefits of using a used ECU kit

Choosing a used controller kit with keys and a lock allows for significantly reducing repair costs compared to purchasing new elements, while maintaining the original manufacturer's specifications. Service cost savings go hand in hand with the ability to quickly restore vehicle efficiency, without the need for time-consuming programming from scratch.

If you want to better understand how to safely use used electronic modules and engine controllers, as well as how to optimize repair budgets, it is worth reading the guide: how to save on car service by choosing used parts. You will find practical tips there regarding the selection of components from dismantling.

Professional approach to automotive electronics

Electronics in modern Mercedes C-Class vehicles require precise component matching, which is why the complete ECU kit with keys and lock is a convenient solution for professional services and advanced users. Consistency of elements in one package reduces the risk of communication problems between modules and speeds up the installation process.

If you are interested in a broader context of the work of control modules, multimedia systems, and engine controllers in premium class cars, you can use expert material dedicated to BMW electronics: how to take care of iDrive systems and electronic modules using parts from dismantling. Although it concerns a different brand, it well illustrates the principles of operation of advanced controllers and their impact on driving comfort.

Repair expansion within control modules

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other elements from the same group, such as engine controllers, comfort modules, or other ECU units, check the available parts in the Electronic control modules and controllers Mercedes category.

Thanks to this, you can select related electronic modules in one place, which facilitates consistent servicing of the entire control system in your vehicle.