Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module A2049009501

Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module is an advanced component from the Fuses and fuse boxes category, responsible for power distribution and controlling multiple electrical circuits in the rear of the vehicle. The module is designed for installation in the rear body section, where it integrates protection and control functions, ensuring stable operation of the electrical system. It is a practical solution for users who want to restore full functionality to the electrical system in their Mercedes W204 while maintaining the factory system architecture.

Specifications and technical data

• SKU: A2049009501
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049009501
• Substitutable numbers: A2049009501, A 204 900 95 01
• Location on the vehicle: Rear
• Category: Fuses & Fuse Boxes

Function and role of the SAM module in the Mercedes W204

Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module plays a key role in managing power and protecting electrical circuits located in the rear of the vehicle. Among other things, it is responsible for:

• distributing voltage to selected consumers in the rear zone of the car,
• integrating protection functions through appropriately selected fuses,
• coordinating the operation of selected electrical components based on factory control logic.

Thanks to this module, the electrical installation remains consistent with the manufacturer's original design, which promotes system stability and facilitates the diagnosis of potential faults.

Vehicle placement and importance for the installation

The presented element is designed for installation in the rear of the vehicle, which has a direct impact on the handling of circuits located in this area. Such placement allows for:

• shortening the length of wire harnesses routed to the rear of the vehicle,
• organizing electrical connections into a single, more accessible unit,
• maintaining a clear structure of the fuse and relay system in the rear zone.

This solution is particularly beneficial during servicing, as it enables faster localization of circuits responsible for specific functions in the rear part of the body.

Benefits of using an original module in the Fuses and fuse boxes category

Choosing an element from the Fuses and fuse boxes group dedicated to Mercedes allows for maintaining compliance with the vehicle's factory specifications. The main advantages of such a solution include:

• consistency with the car's original electrical architecture,
• maintaining the protection parameters provided by the manufacturer,
• easier integration with the existing installation without the need for harness modifications.

As a result, the module can be used both for standard replacement of a damaged component and for broader service work within the electrical installation of the rear part of the vehicle.

Product characteristics and service application

The offered SAM module is a component sourced from a vehicle, making it an attractive option for users looking for a factory solution within a reasonable budget. This type of component is particularly useful in situations where:

• it is necessary to replace a damaged fuse box in the rear of the car,
• problems arise with the power supply to selected consumers in the rear zone,
• it is important to maintain the original control logic and circuit layout.

Using a module consistent with the factory Mercedes design promotes the maintenance of predictable electrical system behavior and facilitates further service maintenance.

System expansion and related electrical components

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

For users interested in a broader approach to drivetrain servicing and selecting appropriate OEM components, the guide material describing the advantages of using original used parts may be helpful – more information can be found in the article Humming differential? Find out why a used OEM drive axle is a better investment than an uncertain replacement.