Mercedes W906 316CDI OM651.955 165HP Engine ECU Kit A6519002600 Keys Lock Manual

Mercedes W906 316CDI OM651.955 165HP Engine ECU Kit is a precisely selected, used set from the Electronic control modules and ECUs group, designed for diesel vehicles. The set is configured for a specific drivetrain setup, which facilitates restoring full functionality to the powertrain after an electronics failure.

Specifications and technical data

• SKU: A6519002600-4
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519002600
• Substitutable numbers: A6519002600, A 651 900 26 00, A6519012200, A 651 901 22 00, A9069008700, A 906 900 87 00
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and technical configuration

The presented ECU set has been prepared for the Mercedes Sprinter W906 model in the 316 CDI version with the 165 HP OM651.955 diesel engine. The set is matched to vehicles equipped with a manual transmission, which is crucial for the correct interaction between the ECU and the drivetrain and safety systems.

Combining the engine control unit with a properly matched key set and lock allows for maintaining the consistency of the immobilizer system and vehicle electronics, reducing the risk of issues with start authorization and communication between modules.

Benefits of using a complete ECU kit

Using a complete engine control unit set with keys and lock in a Mercedes Sprinter W906 316 CDI brings a number of practical benefits:

• consistency of the drivetrain electronics and vehicle security systems,
• reduced need for programming the immobilizer from scratch,
• better compatibility with the factory configuration of the OM651.955 unit,
• matched to the characteristics of the 165 HP diesel engine,
• compatibility with the manual transmission in the given model variant.

For workshops and fleet users, this means a faster repair process, a lower risk of software incompatibility, and more stable operation of the engine control system in daily use.

Application in service practice

The ECU set with keys and lock is particularly useful in situations where the original controller has been damaged, there are communication problems in the vehicle network, or failed programming attempts have occurred. Replacing it with a set from the same family of power units facilitates restoring correct operation of:

• the diesel engine injection system,
• systems monitoring the operation of the OM651.955 unit,
• functions related to starting and securing the vehicle.

Such a solution is particularly beneficial for intensively used vehicles, where a quick return to service while maintaining correct engine and transmission operating parameters is essential.

Characteristics of the used ECU module

The offered set comes from the secondary market, which allows for a favorable cost-to-functionality ratio while maintaining the original manufacturer's specifications. A used controller with a set of keys and lock is an attractive alternative to new components, especially in the case of older Sprinter W906 units, where matching the specific engine and transmission version is key.

To maximize the potential of such a solution, it is worth verifying the vehicle configuration compatibility before installation and consulting the installation process with an experienced automotive electrician, which will translate into stable operation of the entire system.

Expert support and selection of used electronics

If you want to better understand how to safely select and install used engine controllers and other electronic modules, the Global Parts guide will be useful – Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. You will find tips there regarding selection by OEM numbers, hardware and software compatibility, and practical examples from workshops.

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 controllers, engine management modules, or related electronic systems, check out the available parts in the Electronic control modules and ECUs Mercedes category.