Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit A2115459301

Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit is an advanced electrical system component responsible for power distribution and circuit protection in the rear of the vehicle. The module has been designed specifically for the Mercedes E-Class W211 and CLS W219 models, ensuring a precise fit and stable operation of the electrical installation. It is a practical solution for users who want to restore full electrical functionality without compromising on compatibility.

Specifications and technical data

• SKU: A2115459301-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115459301
• Substitutable numbers: A2115459301, A 211 545 93 01
• Location on the vehicle: Rear
• Part type: Fuse Box
• Category: Fuses & Fuse Boxes

Function of the SAM module in the electrical system

The fuse box with the SAM module in these Mercedes models acts as a central power management point in the rear of the vehicle. It is responsible for:

• distributing voltage to individual circuits in the rear zone of the car,
• protecting the installation through appropriately selected fuses,
• cooperating with body and comfort control systems.

Thanks to this component, the electrical system maintains stability, and individual receivers are effectively protected against overloads.

Purpose and placement in the vehicle

The presented module is intended for installation in the rear of the vehicle, in accordance with the factory electrical installation architecture of the Mercedes. Such dedicated vehicle placement facilitates service, diagnostics, and potential replacement without interfering with other body zones.

This solution is particularly important in vehicles equipped with extensive comfort and safety systems, where the correct operation of the fuse box has a direct impact on the reliability of daily operation.

Benefits of using an original module

Using an original fuse box with a SAM module for the Mercedes W211/W219 allows for maintaining consistency with the factory installation. Key advantages include:

• Full compatibility with the electrical harness – connectors and pin layout correspond to the solutions used by the manufacturer.
• Stable operation of electrical systems in the rear of the vehicle.
• Reduced risk of communication errors in the vehicle network.
• Ability to use existing mounting points without modifications.

This approach is particularly beneficial for repairs following flooding, short circuits, or mechanical damage within the installation.

Product characteristics and service application

The offered element comes from the Fuses and fuse boxes category, which means it is designed to work in the demanding environment of a vehicle's electrical system. It works well both for standard replacement of a damaged module and for more extensive electrical system repairs.

The used product is a reasonable choice in situations where the cost-to-functionality ratio matters, while maintaining the original manufacturer's specifications. This allows for effective repair without the need to use replacements of uncertain quality.

System expansion – related elements

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, distribution modules, or fuse socket housings, check the available parts in the Mercedes Fuses and fuse boxes category.

If you are interested in a broader approach to vehicle modification and personalization using proven components, it is worth checking out the guide on selecting used parts for modifications – you can find it in the article The best used parts for tuning your car, which discusses the practical aspects of choosing and installing such components.