Mercedes Sprinter W907 311 CDI 651.958 114HP ECU Kit A6519007103 Key BCM Lock

Mercedes Sprinter W907 311 CDI Key BCM Lock is a complete electronic set designed for the 651.958 114HP powertrain, including the engine control unit, BCM module, ignition switch with key, and lock. This solution is created for precise, factory-standard maintenance of the drivetrain in versions with a diesel engine and manual transmission, allowing for the efficient replacement of damaged electronics without the need for time-consuming programming from scratch.

Specifications and technical data

• SKU: A6519007103-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519007103
• Substitutable numbers: A6519007103, A 651 900 71 03, A6519016002, A 651 901 60 02, A9079005405, A 907 900 54 05, A2479001709, A 247 900 17 09, A0999009401, A 099 900 94 01
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented control kit is dedicated to Mercedes Sprinter W907 311 CDI vehicles with the 651.958 unit, where it is responsible for coordinating engine operation, communicating with the BCM body module, and authorizing ignition via the matched key and lock. Integrating these elements into one set reduces the risk of software incompatibility and immobilizer issues, which is of particular importance in modern electronic systems.

In practice, this means that after proper installation and adaptation to a specific vehicle, the engine control system regains stable operation, and communication between the ECU, BCM, and security system proceeds in a manner consistent with the manufacturer's specifications.

Benefits of using a complete kit

Using a complete ECU kit with key, BCM, and lock in the Sprinter W907 brings a number of practical service and operational benefits:

• consistency of engine and body electronics thanks to matched control modules,
• reduction of issues with the immobilizer and ignition authorization,
• facilitating workshop operations by installing a set instead of selecting individual modules,
• maintaining the performance characteristics of the 311 CDI unit consistent with factory specifications.

For commercial vehicles such as the Sprinter, this directly translates into fleet continuity, predictable engine behavior, and reduced downtime associated with diagnosing incompatible controllers.

Technical characteristics in the context of the drivetrain

The set has been configured for a diesel engine working with a manual transmission, which is crucial when selecting control electronics. The control maps, fuel system logic, and cooperation with auxiliary equipment are adapted to the specifics of the 311 CDI diesel unit and the characteristics of the manual gearbox.

Such matching allows for maintaining proper starting parameters, throttle response, idle smoothness, and predictable vehicle behavior under load, which is important in both urban applications and long-haul transport.

Component condition and service application

The set comes from the secondary market, making it an attractive cost alternative to new modules while maintaining the original design and operating logic. For workshops specializing in the Mercedes brand, this means the ability to restore vehicle efficiency faster, especially in situations where the original controller has suffered electronic damage or communication issues have occurred in the vehicle network.

Replacing the complete ECU kit with BCM, key, and lock is particularly beneficial in cases where repairing a single module is unprofitable or carries a high risk of recurring faults. Using original components from the same model configuration promotes system consistency and facilitates subsequent diagnostics.

Mercedes electronic control modules and controllers

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, body modules, or security systems, check the available parts in the Mercedes electronic control modules and controllers category.

Knowledge support and selection of used modules

When working with used controllers and body modules, it is crucial to understand how the availability of original elements from the secondary market affects repair time and service costs. It is worth familiarizing yourself with practical tips regarding the selection and installation of such components – you will find them in the article Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten workshop stays?, which discusses the real benefits of using used OEM modules in daily workshop work.

Additionally, if you are interested in a broader context of using original used electronic components in premium class vehicles, it is worth reaching for the material Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?, which shows how properly selected modules and equipment elements allow for maintaining the vehicle's character in accordance with the manufacturer's assumptions.