Mercedes C219 Rear SAM Module Fuse Box Relay Control Unit A2115458601

Mercedes C219 Rear SAM Module Fuse Box Relay Control Unit is an advanced electrical system component responsible for managing circuits and protecting the installation in the rear part of the vehicle. Thanks to its factory design intended for Mercedes cars, the module ensures consistency with the original electrical architecture and stable operation of components. It is a practical solution for users looking for a proven control unit integrated with a fuse box.

Specifications and technical data

• SKU: A2115458601-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115458601
• Substitutable numbers: A2115458601, A 211 545 86 01, 5DK008047, 5DK 008 047, A 211 545 93 01, A2115459301
• Location on the vehicle: Rear
• Part type: Fuse Box
• Category: Fuses & Fuse Boxes

Purpose and function in the vehicle

The rear SAM module acts as a central power distribution and control point in the rear of the body. It is responsible for the logical separation of circuits, control of selected electrical functions, and their protection with appropriately selected fuses. Its location in the rear area of the vehicle allows for shorter wiring harnesses, reduced voltage drops, and facilitates the diagnosis of potential faults. As an element from the Fuses and fuse boxes group, the module combines the function of a control unit and a fuse box in one housing, which simplifies the installation architecture and reduces the number of connections that could be a potential source of problems.

Benefits of using the original module

Using an original solution dedicated to the C219 body allows for maintaining compliance with the vehicle's factory configuration. Thanks to this:

• correct communication with other control units in the vehicle network is maintained,
• the fuse layout remains consistent with service documentation,
• diagnostics using standard service tools are easier,
• the risk of problems resulting from improper electrical matching is minimized. Such a solution is particularly beneficial for repairs after installation damage, equipment upgrades, or restoring full functionality of electrical systems in the vehicle.

Installation and operational characteristics

The rear SAM module is structurally prepared for installation in the location provided by the manufacturer in the rear part of the car. Integrating the control unit with the fuse box limits the number of separate components, which translates into a more organized layout and easier service access. The arrangement of fuse sockets and connectors is adapted to factory wiring harnesses, which facilitates connection and reduces the possibility of errors during installation. The product comes from a Mercedes vehicle and is intended for reuse, which allows for economical repair while maintaining the original technical specification. It is a practical solution for workshops specializing in the brand and users who care about the consistency of the components used.

Application in the rear vehicle electrical system

The module operates in an environment exposed to temperature changes and humidity, which is why its housing and connectors are designed for stable operation in the rear compartment. Proper arrangement of current paths and protections allows for safe powering of multiple receivers simultaneously, while maintaining a clear circuit structure. Replacing the module with a functional unit is often a key step in resolving power or control issues in the rear part of the body.

System expansion – related components

If you are planning a comprehensive repair or upgrade of the electrical installation area in the rear of your Mercedes and need other elements from the same group, such as additional boxes, fuse inserts, or distribution modules, check the available parts in the Mercedes Fuses and fuse boxes category. To better understand the manufacturer's approach to electronics design and installation architecture across different generations, it is worth reading an article describing the development of solutions in this brand: Evolution of the Mercedes S-Class: from W140 to W222 – innovations and Mercedes parts.