Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400150

Mercedes W639 Fuse Box A6395400150 is an original part from the fuses and fuse boxes category, designed for the electrical system of Mercedes W639 series vehicles. This used, factory fuse box ensures consistency with the car's electrical system, maintaining the correct circuit architecture and compatibility with factory wiring harnesses.

Specifications and technical data

• SKU: A6395400150
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6395400150
• Substitutable numbers: A6395400150, A 639 540 01 50, BG
• Color: Black
• Category: Fuses & Fuse Boxes

Purpose and Function in the Vehicle

The fuse box in a Mercedes W639 is responsible for the organized placement and protection of electrical circuits, such as lighting, comfort systems, engine control, or auxiliary equipment. Using an original component from the same model series allows for:

• correct cooperation with the factory electrical system,
• appropriate configuration of fuse and relay sockets,
• stable operating parameters of power and control systems.

Construction and Technical Features

The fuse box housing is made in black, which facilitates integration with the engine bay or mounting space within the vehicle's interior. The manufacturer's design ensures:

• logical arrangement of fuse and relay sockets,
• optimized routing of current paths within the module,
• the possibility of servicing individual fuses without interfering with the wiring harness.

By using an original fuse box, the factory connector geometry is maintained, which simplifies installation and minimizes the risk of errors when connecting wiring harnesses.

Benefits of Using an Original Mercedes Fuse Box

Choosing an original fuse box for a Mercedes W639 translates into a number of practical advantages in the daily operation of the vehicle:

• Full System Compatibility – fits factory wiring harnesses and mounting brackets without the need for modifications.
• Stable Operation of Electrical Systems – proper arrangement and load capacity of current paths reduce the risk of overheating and voltage drops.
• Easier Diagnostics – maintaining the original socket layout facilitates diagnostic work according to Mercedes service documentation.
• Consistency with Other Modules – the fuse box cooperates with other electrical system components as intended by the manufacturer.

Condition, Origin, and Service Application

This component comes from a dismantled Mercedes vehicle and is offered as a used part. Such components are often chosen by professional workshops and discerning users looking for a compromise between repair cost and maintaining factory quality. A used fuse box is particularly suitable in situations where:

• the existing fuse box has suffered mechanical or thermal damage,
• there are power supply issues with specific circuits,
• the component needs to be replaced with one that matches the vehicle's original configuration.

Mercedes Fuses and Fuse Boxes – Selection and Additional Information

If you need other components from the Fuses and Fuse Boxes category dedicated to this brand, check out the Mercedes fuses and fuse boxes available in our store to select a component that fits your specific car version.

You can find more practical information about the benefits of using original, used parts from dismantled vehicles in the article Used Mercedes Parts – Original Parts from Dismantling, which will help you plan repairs consciously and optimally select components for your vehicle.