Control Unit Bracket Mercedes W177 W247 SAM Module Panel Cover A2475402506

The Control Unit Bracket for Mercedes W177 / W247 is a precisely designed mounting element for the SAM module's cover panel within the vehicle's compartment. Featuring factory-level geometry and a perfect fit for the A-Class (W177) and B-Class (W247) body, it ensures a stable, secure, and organized installation of the electronic module, contributing to the reliable operation of the electrical system.

Specifications and technical data

• SKU: rhd-A2475402506
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2475402506
• Substitutable numbers: A2475402506, A 247 540 25 06, A2475455300, A 247 545 53 00
• Category: ECUs & Computer Modules

Purpose and Function in the Vehicle

The presented bracket belongs to the Electronic Control Units and Controllers group, responsible for the mechanical stabilization of the SAM module and its cover panel. Proper mounting of the control unit in its dedicated bracket minimizes vibrations, protects connectors from excessive stress, and helps maintain correct routing of electrical harnesses within the vehicle.

In Mercedes A-Class W177 and B-Class W247 models, such a bracket is particularly crucial in areas where numerous wires and connectors are concentrated. Organized mounting reduces the risk of insulation chafing, loose connections, and undesirable interference with the onboard electronics.

Construction and Fit for Mercedes W177 / W247

The bracket has been developed as an OEM part, meaning its shape, mounting points, and interaction with the SAM module correspond to the factory solutions used by the manufacturer. This ensures:

• correct positioning of the control unit relative to the body and electrical harnesses,
• installation without structural modifications in the vehicle's designated area,
• a stable position for the cover panel, enhancing the module's protection against external factors.

This precise fit is especially important in modern Mercedes vehicles, where the density of the electrical installation is high, and every mounting element impacts serviceability and the long-term reliability of the system.

Benefits of Using an Original Control Unit Bracket

Using the factory control unit bracket to replace a damaged or missing one restores the correct mounting geometry for the SAM module. In practice, this means:

• reduced risk of micro-cracks on circuit boards and connectors due to excessive vibrations,
• improved wire routing and reduced stress on electrical harnesses,
• easier service access to the module and cover panel during diagnostics.

An element from this group, even as a used part, remains a functional solution for a technically correct repair of the electronics mounting system, without the need for makeshift brackets or body modifications.

Condition, Origin, and Practical Application

The offered bracket is a used part from a dismantled vehicle and is classified as an original used Mercedes part. Such components are often preferred by marque-specific workshops as they maintain the vehicle's structural integrity while reducing repair costs compared to new parts. For any work on the SAM module installation in Mercedes W177 and W247, the correct bracket is essential for the control unit to be mounted according to the manufacturer's specifications.

If you are interested in a broader context of using electronic parts from dismantled vehicles, practical tips on diagnosing and repairing control modules can be found in the article: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models.

Expanding the Electronics Mounting System in Mercedes

If you are planning a comprehensive repair or upgrade of the electronic installation area in your Mercedes and require other parts from the same group, such as additional brackets, covers, or mounting panels for control units, check the available parts in the category Mercedes Electronic Control Units and Controllers.

Choosing used mounting and electronic components can also be a conscious ecological decision – read more about the advantages of this approach to car repair in the material: Eco-Friendly Driving: Discover the Benefits of Used Car Parts.