Mercedes W176 A200 CDI OM651.930 136HP Engine ECU Kit A6519009702 2 Keys Lock

Mercedes W176 A200 CDI OM651.930 136HP Engine ECU Kit is a solution designed for users who expect seamless, factory-standard integration of electronics with the powertrain. This item from the Electronic control modules and ECUs category has been prepared for the diesel engine and manual transmission configuration, ensuring a precise match to the engine's operating parameters. Thanks to the inclusion of keys and a lock, it facilitates maintaining the integrity of the immobilizer system and provides comfortable vehicle operation.

Specifications and technical data

• SKU: A6519009702-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519009702
• Substitutable numbers: A6519009702, A 651 900 97 02, A6519011102, A 651 901 11 02, A2469054602, A 246 905 46 02, A0999004101, A 099 900 41 01
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented engine control unit kit is dedicated to the Mercedes W176 A200 CDI model with the OM651.930 diesel engine producing 136 HP, paired with a manual transmission. The ECU is responsible for precise engine management, including fuel injection, combustion parameter control, and monitoring of key sensors and actuators. Using the correct module in combination with the matched lock and keys allows for maintaining the consistency of the security system and reduces the risk of vehicle starting issues.

Benefits of using an original control module

The ECU kit with lock and two keys is a practical service solution, especially in the event of engine electronics failure or immobilizer problems. In one package, you receive:

• an electronic engine control module matched to the diesel unit,
• a lock compatible with the vehicle's security system,
• two keys ensuring convenience in daily use.

Such a combination of components facilitates the adaptation process in the vehicle and can shorten the time required to restore full powertrain efficiency. The consistency of electronics and mechanics in one kit promotes stable engine operation and proper communication with other modules in the car.

Technical characteristics in the context of the powertrain

The kit has been developed with the diesel engine in mind, meaning the control algorithms are adapted to the specifics of the diesel injection system, boost pressure, and exhaust emission control. Cooperation with a manual transmission translates into appropriate torque control maps and load response, which is important for the smoothness of acceleration and the engine's refinement. Dedicated control software helps maintain engine operating parameters at a level close to factory specifications, while maintaining proper communication with other vehicle systems.

Application in service practice

This used ECU kit with lock and two keys will prove useful both when replacing a damaged controller and in situations where comprehensive intervention in the vehicle's security system is required. After proper installation and configuration in the vehicle, it can contribute to:

• stable engine starting and correct idle operation,
• proper response to load changes during manual gear shifting,
• maintaining the functionality of the immobilizer and ignition lock system.

For workshops specializing in the Mercedes brand, such a kit provides a convenient base for further configuration, and for the end user, it means the possibility of restoring vehicle efficiency while maintaining electronic consistency.

Related categories and technical materials

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 systems cooperating with the ECU, check out the available parts in the Mercedes electronic control modules and ECUs category.

For a better understanding of how original electronic modules affect the character and handling of a car, it is worth reading an article describing the role of factory components in maintaining the DNA of the Audi brand – you can find it here: Audi and pure emotion – how original modules and controllers affect the car's character. If you are interested in a broader context of using used parts in modifications and vehicle improvements, the following guide may also be helpful: The best used parts for tuning your car.