Mercedes V251 SAM Body Control Module Rear Unit A1649007000

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes V251 SAM Body Control Module Rear Unit is a specialized component from the Electronic control modules and controllers group, responsible for managing selected body functions in the rear part of the vehicle. The module operates in the rear zone of the car, integrating signals from various components and ensuring stable, predictable operation of electrical systems.

Specifications and technical data

• SKU: A1649007000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1649007000
• Substitutable numbers: A1649007000, A 164 900 70 00
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Function and role of the rear SAM module

The Mercedes V251 SAM Body Control Module Rear Unit acts as a central control hub for selected electrical circuits located at the rear of the vehicle. It is responsible for logical power distribution, monitoring control signals, and communicating with other controllers in the vehicle via the data bus.

Thanks to this solution, the electrical system is organized, and the diagnostics of potential faults become more predictable. The use of a dedicated module in the rear part of the body reduces the length of wiring harnesses and improves the stability of lighting, comfort, and other functions supported in this area.

Compatibility and vehicle integration

The module has been designed with the electrical architecture of the Mercedes V251 in mind, which translates into proper connector fitment, logical software compatibility, and correct cooperation with other controllers. This makes it possible to maintain the consistency of the vehicle configuration and proper communication within the controller network.

In practice, this means that after correct installation and configuration, the module can be integrated into the existing system without the need to interfere with the electrical installation design. This type of solution is particularly important when repairing vehicles equipped with extensive body electronics.

Vehicle placement and installation aspects

The component is intended for installation in the rear part of the vehicle, in accordance with the factory concept of controller placement in the Mercedes V251. Such placement shortens the signal path to the supported receivers and facilitates the servicing of systems located in this zone.

During installation, it is crucial to maintain the correct order of connecting the plugs, check the condition of the harnesses, and perform any necessary adaptation procedures in accordance with the service documentation. Proper seating of the module in the designated place minimizes the risk of vibrations and the influence of adverse external conditions.

Use of a pre-owned module

Choosing a pre-owned Mercedes SAM Body Control Module Rear Unit can be a rational solution for repairing vehicles used on a daily basis. This allows for cost reduction while maintaining the original design and compatibility with the factory electrical architecture.

When selecting such an element, it is important to pay attention to the compatibility of markings, versions, and intended use for a specific vehicle configuration. A properly selected module allows for the restoration of correct operation of electrical systems in the rear part of the body without the need for installation modifications.

Expanding knowledge and selecting other modules

If you are planning a comprehensive repair or upgrade of the body electronics area in your BMW and need other components from the same group, such as comfort controllers, light modules, or multimedia system management units, it is worth checking out the advice in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models, which discusses a practical approach to working with electronic modules.

If you are planning a comprehensive repair or upgrade of the body electronics area in your Mercedes and need other components from the same group, such as comfort controllers, lighting management modules, or units responsible for powering receivers, check out the available parts in the Electronic control modules and controllers Mercedes category.