Description
Visual condition of the part
The product shows signs of use visible in the photos.
Control Unit Bracket Mercedes W177 W247 SAM Module Panel Cover is a precisely engineered mounting component that stabilizes the electrical module in the vehicle’s compartment and protects it from unwanted stress. Thanks to its factory-spec geometry and fitment for the Mercedes compact platform, this Control Unit Bracket Mercedes W177 W247 SAM Module Panel Cover allows for the proper installation of electronics without interfering with the body structure. As part of the Electronic control modules and controllers group, it supports the trouble-free operation of the electrical system and facilitates maintenance.
Specifications and technical data
- SKU: rhd-A2475402506-1
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2475402506
- Substitutable numbers: A2475402506, A 247 540 25 06, KD
- Category: ECUs & Computer Modules
Purpose and function of the SAM control unit bracket
The presented bracket is a mounting component designed for installing the SAM module in Mercedes compact class models, such as the W177 (A-Class) and W247 (B-Class/CLA/GLA on the same platform), in accordance with the manufacturer’s factory design. Its purpose is to:
- provide stable support for the control module in the designated body area,
- maintain the correct positioning of electrical connectors and harnesses,
- reduce vibrations transmitted to the electronics while driving,
- facilitate the removal and reinstallation of the controller during diagnostics or replacement.
A properly selected bracket minimizes the risk of mechanical damage to the SAM module, which directly impacts the reliability of the vehicle’s electrical systems.
Construction and fitment to the electrical system
The bracket was developed as a factory component for the Mercedes brand, maintaining the correct geometry of mounting points and cover panel routing. This means:
- compatibility with original mounting points in the body,
- correct positioning of the SAM module relative to harnesses and connectors,
- preservation of the mounting clearances specified by the manufacturer,
- consistency with the factory layout of covers and panels in that area of the vehicle.
As a result, the installation is orderly, and the control module remains protected against excessive mechanical loads and harness twisting.
Condition of the component and service application
The offered bracket comes from a used vehicle, making it a cost-effective solution while maintaining the original manufacturer’s specifications. This type of component is particularly useful in situations where:
- the bracket was mechanically damaged during a collision or body repair,
- it is necessary to replace a deformed support that no longer provides stable mounting,
- a conversion or upgrade of the electrical system within the SAM module area is being carried out.
Using an original bracket allows you to maintain structural integrity and avoid makeshift mounting solutions that could affect the durability of the electronics.
Support in electronics selection and installation
When working on control modules, it is worth paying attention to the compatibility of mounting elements, part numbers, and hardware/software versions. To better plan the replacement or upgrade of electronics in your Mercedes, you can use our guide on used controllers and sensors – detailed information on selection by VIN/OEM, HW/SW compatibility, and practical aspects of installation can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.
Expanding work within Mercedes control modules
If you are planning a comprehensive repair or upgrade of the control electronics area in your Mercedes and need other components from the same group, such as additional modules, controllers, or cover panels, check out the available parts in the Electronic control modules and controllers Mercedes category.





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