Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038

Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit is an original electrical system component, designed for precise circuit management and protection of systems in Mercedes vehicles. This used fuse box allows for a technically correct repair or replacement of a damaged module, maintaining the factory power supply and safety logic.

Specifications and technical data

• SKU: A2135403038
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2135403038
• Substitutable numbers: A2135403038, A 213 540 30 38
• Category: Fuses & Fuse Boxes

Purpose and function in the vehicle

The fuse box used in the W205, W213, and C238 series models is responsible for the organized distribution of power to key electrical consumers in the car. Fuse and relay sockets are concentrated in a single module, which facilitates diagnostics, service, and potential equipment upgrades.

A properly selected fuse box ensures:

• stable power supply for individual electrical circuits,
• controlled protection against overloads and short circuits,
• clear circuit division in accordance with Mercedes factory documentation.

Construction and technical advantages

The original Mercedes fuse box is designed as an OEM installation component, ensuring compatibility with the electrical harness, mounting brackets, and the factory fuse layout. The module's construction allows for secure connector seating, which reduces the risk of contact looseness and electronic interference.

Key technical advantages include:

• factory fitment for the W205, W213, and C238 platforms,
• circuit layout designed by the manufacturer,
• the ability to transfer existing fuses and relays from the old box, provided their condition allows it.

Condition and installation aspects

The item is offered in used condition, which allows for an economical repair while maintaining the original Mercedes specification. Before installation, a standard visual inspection of the contacts, sockets, and housing is recommended, as well as comparing the layout with the module currently installed in the vehicle.

When replacing, it is worth paying attention to:

• the structural compatibility of the box with the body mounts,
• correct reconnection of electrical harnesses according to the diagram,
• recreating the fuse layout in accordance with service documentation.

Benefits of using an original fuse box

Using an original fuse box in a Mercedes translates into consistency with the factory installation design and predictable behavior of all electrical systems. This solution is particularly beneficial for professional repairs where compliance with service documentation and ease of subsequent diagnostics are important.

If you are planning a comprehensive repair or upgrade of the electrical system area in your Mercedes and need other components from the same group, such as additional modules, sockets, or power distribution units, check the available parts in the Mercedes fuses and fuse boxes category.

Additional technical support

When working with the electrical system, it is worth following proven service procedures and practical tips regarding the assessment of used component conditions. For more complex powertrain repairs, the following guide may be helpful: How to buy a used car engine and not get scammed – a step-by-step guide, which shows what to look for when selecting key mechanical and electrical components.