Mercedes W906 310 CDI OM651.955 95HP Engine Unit ECU Kit A6519000700 Key Lock

Mercedes W906 310 CDI OM651.955 95HP Engine Unit ECU Kit is a complete set from the Electronic control modules and controllers group, designed for vehicles with a diesel engine and manual transmission. The set includes the engine control unit along with the ignition lock and key, which facilitates the matching of immobilizer components and speeds up the process of starting the vehicle after an electronic system repair.

Specifications and technical data

• SKU: A6519000700-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519000700
• Substitutable numbers: A6519000700, A 651 900 07 00, A6519010600, A 651 901 06 00, A0375456132, A 037 545 61 32, A9069004100, A 906 900 41 00
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented set is dedicated to Mercedes W906 310 series vehicles with the OM651.955 unit, where it acts as the central engine control unit. The ECU is responsible for precise fuel injection management, monitoring diesel engine operating parameters, and communicating with other electronic modules of the vehicle. The included ignition lock and key allow for the cohesive operation of the security system, which is particularly important when replacing the controller in modern electronic systems.

Compatibility with diesel engine and manual transmission

The set has been configured for use with a Diesel engine, meaning the control maps are adapted to the characteristics of the compression-ignition unit, including injection pressure, turbocharger operation, and emission control systems. At the same time, the module is prepared for operation with a manual transmission, ensuring that the control logic accounts for the specifics of manual gear shifting, providing stable engine performance across the entire RPM range.

Application in diagnostics and Mercedes electronics repairs

The ECU kit with the lock and key is particularly useful in situations where the original controller has been damaged or there are issues with the immobilizer. Using a set from a single vehicle facilitates the adaptation process and can reduce the need for deep programming intervention. This type of solution is often chosen by workshops specializing in automotive electronics, as it allows for the efficient restoration of full vehicle functionality while maintaining compliance with the factory system architecture.

Benefits of choosing a used control module

Choosing a used ECU set with a lock and key is a reasonable compromise between repair costs and maintaining the vehicle's original specifications. Modules from dismantling, when properly verified, allow for economical repair without sacrificing factory design solutions. Additionally, the use of aftermarket components aligns with the idea of reusing parts and reducing waste in the automotive industry.

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

More about the operation of electronic modules

When replacing engine controllers, comfort modules, or multimedia systems, it is worth knowing the best practices regarding diagnostics, coding, and adaptation of used components. In the context of premium vehicle electronics, a guide describing work with iDrive systems and controllers in other high-end brands may be helpful – detailed tips can be found in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?.

Additionally, if you are interested in the impact of using used modules on the environment and service budget, it is worth reading the material on the circular economy in the automotive industry – more information can be found in the article Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.