Mercedes S204 Estate Rear SAM Control Module Unit Fuse Box A2049060805

Mercedes S204 Estate Fuse Box SAM Module Rear is an original part from the Fuses and Fuse Boxes group, designed for installation in the rear of the body. The module ensures stable power distribution and control of electrical circuits in the S204 estate, supporting the proper functioning of the vehicle's systems and electronics. Thanks to its factory design, it is perfectly matched to Mercedes' electrical architecture, facilitating service and diagnostics.

Specifications and technical data

• SKU: A2049060805
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049060805
• Substitutable numbers: A2049060805, A 204 906 08 05
• Location on the vehicle: Rear
• Part type: Fuse Box
• Category: Fuses & Fuse Boxes

Purpose and Function of the Rear SAM Module

The SAM module described is part of the rear fuse box in the S204 estate body, responsible for managing selected electrical circuits in the rear of the vehicle. As a component dedicated to a specific Mercedes platform, it interacts with the vehicle's electrical system in a predictable manner, consistent with the manufacturer's specifications.

Its placement in the rear area facilitates organized wiring harness routing and also simplifies service access for electrical fault diagnostics. Proper structural fit minimizes the risk of looseness, wiring harness strain, and electrical contact issues.

Benefits of Using an Original Fuse Box

Using an original SAM module in the S204 estate translates into a number of practical advantages in daily operation:

• maintaining the factory logic of protection and power distribution in the rear of the vehicle,
• consistency with the existing electrical system and control unit architecture,
• easier diagnostics using factory service procedures,
• reduced risk of compatibility issues compared to aftermarket alternatives.

For users and workshops, this means more predictable behavior of the electrical system and the ability to efficiently restore full vehicle functionality after a previous module failure.

Characteristics of a Used Part

The presented module is from a dismantled vehicle, allowing for economical repair while retaining a component of factory origin. A used OEM part is an attractive alternative to new parts, especially for complex electrical modules where the cost of a new component is high.

This solution is often preferred by workshops specializing in the Mercedes brand, which prioritize maintaining the vehicle's original electrical architecture while optimizing service costs.

Professional Application in Mercedes Service

The rear SAM module for the S204 estate is particularly recommended for:

• workshops specializing in diagnostics and repair of Mercedes electrical systems,
• specialized estate body services, where correct management of rear vehicle circuits is crucial,
• users seeking a factory solution instead of universal aftermarket parts.

Dedicated vehicle placement (rear) simplifies part selection during repairs – it minimizes the risk of confusion between modules with different installation purposes and ensures compliance with Mercedes service documentation.

Expanding the Fuse System in a Mercedes

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

To better plan your repair budget and make informed decisions about when it's worth opting for used OEM components, consult the guide: Rising Repair Costs vs. the Boom in Used Parts – How to Save on Car Servicing?.