Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740

The Mercedes W204 Fuse Box Battery Module is an original part from the fuses and fuse boxes category, designed for the power system in Mercedes vehicles. A used battery module allows for the preservation of the factory electrical system architecture, ensuring stable power distribution and proper circuit protection.

Specifications and technical data

• SKU: A2075400740
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2075400740
• Substitutable numbers: A2075400740, A 207 540 07 40
• Category: Fuses & Fuse Boxes

Purpose and Function in the Vehicle

The fuse box at the battery in Mercedes C-Class W204 models is responsible for distributing power from the battery to key consumers and for protecting circuits against overload. Using an original module helps maintain:

• consistency with the vehicle's factory electrical diagram,
• correct protection values for individual power lines,
• stable operation of comfort and safety systems.

This ensures that the electrical system maintains the parameters intended by the manufacturer, reducing the risk of failures due to incorrect component selection.

Advantages of Using an Original Fuse Box

The offered part comes from the Mercedes line, which means perfect fit for the vehicle's construction and compatibility with factory wiring harnesses. In practice, this translates to:

• secure mounting in the battery compartment without the need for modifications,
• proper arrangement of fuse sockets and connectors,
• easier electrical system diagnostics in accordance with service documentation.

Choosing an original fuse box is particularly important in vehicles equipped with extensive electronics, where the quality of connections and correct protection values directly impact the reliability of the entire system.

Condition, Origin, and Installation Aspects

The part is offered as a used component, which is a cost-effective solution while maintaining the factory construction. The module comes from vehicle dismantling, thus retaining original sockets, mountings, and current paths. Before installation, a standard check of the vehicle's electrical system and verification of compatibility with the service documentation for the specific W204 version are recommended.

Replacing the fuse box at the battery is a typical service operation, performed, among other things, in cases of mechanical damage, signs of overheating, or power supply problems to selected circuits. Using an original module makes the work easier for electricians and diagnosticians, as the connection layout corresponds to factory diagrams.

Selection and Compatibility

To correctly select the Mercedes W204 Fuse Box Battery Module for a specific car, you should refer to the manufacturer's catalog data and the vehicle's technical documentation. The product has a dedicated OEM part number and interchangeable numbers, allowing for precise matching to specific engine and equipment versions within the W204 family.

If you have doubts about compatibility, it is recommended to consult a mechanic or electrician specializing in the Mercedes brand, who will verify the module's suitability for the specific vehicle configuration.

Other Mercedes Fuses and Fuse Boxes

If you are looking for other Mercedes fuses and fuse boxes for your car, check out our dedicated offer: Mercedes fuses and fuse boxes. There you will find a wide selection of electrical system components tailored to various models of this brand.

Things to Know Before Buying Used Parts

When choosing used body and equipment components, it is useful to know the basic principles of assessing their condition and fit. You can find more practical information on consciously using parts from dismantling in the article: replacing body parts with used parts and component quality. This will allow you to better plan vehicle repairs and upgrades, including in the area of the electrical system.