Mercedes W906 313 CDI OM651.955 Diesel Engine ECU Kit A6519000601 Key Lock

Mercedes W906 313 CDI OM651.955 Diesel Engine ECU Kit Key Lock is a professional solution for diesel-powered vehicles. The set belongs to the Electronic control modules and ECUs group, which ensures the consistency of components responsible for managing the powertrain's operation. It is a practical choice for workshops and users looking for a proven, used set for repairing or replacing the engine control system.

Specifications and technical data

• SKU: A6519000601-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519000601
• Substitutable numbers: A6519000601, A 651 900 06 01, A6519019400, A 651 901 94 00, A9069003901, A 906 900 39 01
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented set is dedicated to Mercedes Sprinter W906 series vehicles in the 313 CDI version with the OM651.955 engine powered by Diesel fuel. The set includes an electronic control unit (ECU) along with immobilizer components – the ignition switch and key – which facilitates maintaining the compatibility of the vehicle's security system with the control system.

The ECU in this model is responsible for precise control of injection, fuel dosing, engine accessory operation, and communication with other modules in the vehicle. Using a complete set from a single car minimizes the risk of software matching issues and immobilizer synchronization problems.

Benefits of using a complete ECU kit with key and ignition switch

Using a ready-made engine control unit set with a key and ignition lock provides a number of practical installation benefits:

• maintaining the consistency of the immobilizer system and the engine control unit,
• reducing the need for key programming and module coding,
• minimizing the risk of communication errors between the ECU and other comfort and security modules,
• speeding up the repair process in workshop conditions.

For commercial vehicles such as the Sprinter W906, this translates directly into shorter downtime and faster vehicle return to service. A used ECU set is also an attractive cost alternative to new components, while maintaining the factory architecture of the control system.

Technical characteristics in the context of a diesel engine

The OM651.955 engine is a modern diesel unit in which the electronic control unit plays a key role in monitoring operating parameters. The controller manages, among other things, injection system pressure, injection timing, auxiliary system operation, and sensor monitoring. A properly selected ECU is essential for maintaining stable engine operation, proper cold starts, and correct response to load.

The set with the key and ignition switch allows for maintaining the integrity of the security system, which is particularly important in fleet and delivery vehicles, where reliability and consistency of electronic performance are paramount.

Professional selection and installation – support for workshops

When selecting an ECU set for a Mercedes Sprinter W906 313 CDI, it is worth paying attention to compatibility with the specific engine version and vehicle configuration. It is recommended to verify the fitment using the VIN number and software parameters to avoid communication issues within the vehicle network.

For specialists and users who want to deepen their knowledge on the selection and installation of used controllers, the Global Parts guide will be useful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. The article discusses, among other things, compatibility issues, selection by VIN/OEM, and practical installation aspects.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as controllers, engine management modules, or other ECU units, check the available parts in the Mercedes electronic control modules and ECUs category.

Why choose a used ECU set?

A used engine control unit set with a key and ignition switch is a reasonable compromise between cost and functionality. It allows for maintaining the vehicle's original electronic architecture while reducing repair-related expenses. In many cases, this is the preferred solution for workshops specializing in the Mercedes brand, especially when repairing fleet and delivery vehicles.

Additional arguments are provided by the analysis of the profitability of different types of parts in the Global Parts guide: Original, replacement, or used – which car parts are the most cost-effective?, where costs, quality, and component fitment are compared across different variants.