Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740

The Fuse Box – Battery Terminal Control Module for Mercedes W204 is a specialized component of the power supply system, responsible for controlling and distributing current directly at the battery. This battery terminal control module, integrated with the fuse box, ensures stable operation of the electrical system and protects the vehicle's critical circuits. The product comes from the original Mercedes solutions line, which translates to predictable performance within the factory installation.

Specifications and technical data

• SKU: rhd-A2075400740-1
• 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 Mercedes W204

The presented component is a fuse box located at the battery designed for Mercedes C-Class W204 models, serving as the battery terminal control module. It is responsible for:

• safe distribution of power to the vehicle's main circuits,
• protecting the installation from overload and short circuits,
• stable connection of the battery to the rest of the electrical system.

By integrating the functions of a fuse box with a terminal control module, this solution reduces voltage drops and facilitates diagnostics of potential power supply issues.

Construction and Technical Advantages

As a component from the Fuses and Fuse Boxes category, the module is designed to operate in the demanding environment of the engine bay. Its construction ensures:

• compact connection of the power point with circuit protection,
• easy service access to high-current fuses,
• factory fit for the electrical harnesses in the Mercedes W204.

The original system architecture allows for maintaining the parameters intended by the vehicle manufacturer, which is particularly important under high electrical loads (starter, starting system, main power buses).

Condition, Origin, and Fitment

The offered module is a used part, sourced from disassembly, allowing for an economical replacement while maintaining the original Mercedes specification. This type of solution is particularly beneficial when:

• the existing battery fuse box has suffered mechanical or thermal damage,
• there are problems with the power supply to the main circuits,
• the battery terminal control module needs to be replaced without altering the entire installation.

Thanks to its factory design, installation is close to plug-and-play – after correct selection for a specific W204 version, existing mounting points and connectors can be utilized.

Operational Safety and Part Selection

For components responsible for the vehicle's power supply, maintaining compliance with the original specification is crucial. Before purchasing, it is advisable to verify:

• the module's compatibility with the generation and engine version of the Mercedes W204,
• the type of battery fuse box used in the currently installed system,
• the condition of the connectors and sockets in the vehicle's installation.

Selecting an original battery terminal control module minimizes the risk of starting problems, voltage drops, and failures of protected circuits. If you have doubts about compatibility, it is recommended to consult an automotive electrician or a service specializing in the Mercedes brand.

Related Products and Additional Materials

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 power and protection components tailored to various models of this brand.

When selecting used vehicle system components, including power and protection elements, a guide on safely purchasing parts from the secondary market may also be helpful: how to safely select used brake system components and related parts. This is a practical checklist that facilitates technical condition assessment and informed part selection.