Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Unit A2115459301

Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Unit is an advanced electrical system component responsible for power distribution and circuit control in the rear of the vehicle. This module, designed for specific Mercedes E-Class W211 and CLS W219 models, allows for professional electrical system repair without compromising safety or functionality. Thanks to its factory OEM design, it ensures a perfect fit for the vehicle's wiring harnesses and connectors.

Specifications and technical data

• SKU: A2115459301-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115459301
• Substitutable numbers: A2115459301, A 211 545 93 01, A 211 545 53 01, A2115455301, A 211 545 86 01, A2115458601
• Location on the vehicle: Rear
• Part type: Fuse
• Category: Fuses & Fuse Boxes

Function of the SAM module in the rear of the vehicle

The rear fuse box with the SAM module is responsible for power distribution and circuit protection in the rear body area. In practice, this means managing many key functions, such as rear lighting, selected comfort features, or additional power consumers located in the trunk.

Its placement in the rear zone of the vehicle helps shorten wiring lengths, reduce voltage drops, and facilitate the diagnosis of potential faults. In this configuration, the SAM module is designed as a central circuit management point, which simplifies maintenance and replacement in the event of damage.

Compatibility and identification parameters

The offered item comes from the Fuses and fuse boxes group and is dedicated to Mercedes vehicles of the W211 and W219 series. By using the original design, the module maintains compatibility with factory wiring, mounting brackets, and the fuse socket layout.

The product has an assigned OEM part number and a set of interchangeable numbers, which facilitates precise verification of compatibility with a specific equipment version. Before purchasing, it is recommended to compare the markings with the existing module in the car or service documentation to ensure full compatibility.

Condition, application, and benefits of installation

The module is offered as a used part, which allows for an economical repair of the electrical system while maintaining the manufacturer's original specifications. In many cases, this is a more advantageous solution than using aftermarket replacements with uncertain electrical parameters.

Replacing the rear fuse box with a SAM module is particularly recommended in situations such as:

• damage following short circuits in the electrical system,
• power supply issues for selected circuits in the rear of the vehicle,
• corrosion or overheating of contacts in the existing module,
• post-accident repair in the rear body area.

A properly selected module helps restore the correct operation of safety features and control systems, which translates into stable electrical system performance and reduces the risk of further failures.

Professional selection and integration with the electrical system

Due to the complexity of electrical systems in modern Mercedes vehicles, the selection of the correct rear fuse box with a SAM module should take into account not only the body series but also the equipment version. In practice, this means it is necessary to check the OEM part number and reference numbers associated with specific vehicle configurations.

The module intended for installation in the rear of the vehicle is integrated into the system via dedicated multi-pin connectors. A correctly selected component allows for a near plug-and-play installation without the need for wiring modifications or interference with the body structure. This solution is particularly valued in workshops specializing in the Mercedes brand, where repeatability and predictability of the repair result are paramount.

System expansion – other elements from the same group

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

Technical support and knowledge about modifications

For extensive electrical system upgrade projects or increasing system load (e.g., additional consumers, accessories, audio systems), it is worth relying on proven solutions and reliable technical knowledge. For users interested in the topic of safely increasing performance and the informed selection of used components, an article describing the practical aspects of purchasing turbochargers and engine modifications may be useful – you can find it here: 2.5 TFSI DAZA – how to safely increase the power of an Audi RS3 by buying used turbochargers.