Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301

Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM is an advanced electrical system component responsible for managing power circuits and electrical protection in the rear of the vehicle. As part of the Fuses and fuse boxes group, it works with the vehicle's body electrical system, ensuring organized power distribution and control of individual electrical consumers. This is a practical solution for users looking for an original control unit for professional repair of the electrical system in a Mercedes E-Class W211.

Specifications and technical data

• SKU: A2115455301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115455301
• Substitutable numbers: A2115455301, A 211 545 53 01
• Location on the vehicle: Rear
• Category: Fuses & Fuse Boxes

Function and role of the SAM module in the Mercedes W211

The SAM control module in this Mercedes model acts as a central management point for many electrical circuits in the rear of the vehicle. It is responsible for logical power control, integration with the body wiring, and cooperation with comfort and safety systems. Thanks to this, the electrical system operates in an organized manner, and individual circuits are properly protected.

Its location in the rear zone of the vehicle helps shorten wire harness lengths and reduces losses and potential points of failure. Using a dedicated control unit allows for consistency with the factory electrical architecture of the Mercedes, which is particularly important during diagnostics and subsequent service maintenance.

Purpose and compatibility with the electrical system

The presented module has been designed specifically for the Mercedes W211 platform, which means it is compatible with the factory installation, connectors, and control logic. The original design facilitates installation in the location provided by the manufacturer, without the need for harness modifications or additional adapters. This solution is particularly beneficial for workshops that want to maintain compliance with service documentation and diagnostic procedures.

By using an original control unit from the Fuses and fuse boxes group, you can restore the proper operation of power circuits in the rear of the vehicle, which is important for lighting, comfort elements, and selected auxiliary systems, among others. Proper module fitment reduces the risk of communication errors in the vehicle network and facilitates cooperation with factory software.

Vehicle placement and installation aspects

The module is intended for installation in the rear of the vehicle, in accordance with the factory design of the Mercedes W211 installation. This placement promotes clear harness routing and easier identification of circuits during diagnostics. Access to the module is provided for in service procedures, which facilitates its replacement in workshop conditions.

During installation, it is recommended to maintain the vehicle manufacturer's standards, including proper seating of connectors, checking the condition of the harnesses, and verifying the correct operation of the circuits after installation. A properly installed control unit allows for stable operation of the electrical system and reduces the risk of unwanted power interruptions.

Product characteristics and practical application

The offered module is an original Mercedes brand component, which translates into compliance with the vehicle's factory specifications and predictable behavior in the electrical system. The product comes from the used parts segment, making it an economical solution while maintaining proper technical fitment. This is a favorable option for users and workshops that want to reduce repair costs without sacrificing the original system architecture.

In practice, the SAM control module will work well both for a typical replacement of a damaged element and for more extensive work related to restoring the efficiency of the electrical installation in the rear of the Mercedes W211. Using an original component facilitates subsequent computer diagnostics and the interpretation of any error messages.

Support with selection and additional information

If you are planning a comprehensive repair or upgrade of the power and electrical protection area in your Mercedes and need other elements from the same group, such as fuse sockets, power distribution modules, or additional fuse boxes, check the available parts in the Fuses and fuse boxes Mercedes category.

For users interested in a broader approach to using recycled parts in vehicle systems, including those responsible for safety and comfort, an article describing the practical aspects of selecting used components may be helpful – you can find it here: Brake calipers under the microscope – how to reduce repair costs by choosing proven recycled parts.