Fuse Box Cover Mercedes W203 W209 Battery Terminal Housing Trim Cap A2035451003

Fuse Box Cover Mercedes W203 W209 Battery Terminal Housing Trim Cap is an original electrical system component, designed specifically for C-Class and CLK models. The cover provides stable protection for the fuse box against dust, moisture, and mechanical damage, which translates into the safe operation of the vehicle's electrical systems. It is a practical solution for users who want to maintain factory order and aesthetics of the fuse compartment in their Mercedes.

Specifications and technical data

• SKU: A2035451003
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2035451003
• Substitutable numbers: A2035451003, A 203 545 10 03
• Category: Fuses & Fuse Boxes

Purpose and function of the cover

The fuse box cover in Mercedes W203 and W209 models plays a key role in protecting a critical area of the electrical system. It secures modules and fuses against contamination, accidental spills, and unauthorized access, which reduces the risk of short circuits and failures. Thanks to its precise fit to the original box, the component maintains the proper positioning of parts and facilitates system maintenance.

Construction and fit for Mercedes W203 / W209

The offered cover has been designed in accordance with Mercedes factory standards, which guarantees compatibility with dedicated mounting points on the body. The design provides for proper edge guidance and snap locks, ensuring that the component remains stable after installation and does not generate unwanted play. Such a solution helps maintain tightness and improves the durability of the entire fuse box zone.

Benefits of using the original cover

Using the original fuse box cover in a Mercedes W203 or W209 allows you to maintain the structural integrity of the vehicle and reduce the risk of electrical problems resulting from improper component protection. The most important advantages include:

• Factory fit to the geometry of the fuse box and surrounding elements.
• Protection against dust, moisture, and small contaminants in the mounting compartment.
• Stable mounting, which facilitates diagnostics and service access to fuses.
• Maintaining an orderly appearance of the electrical zone in accordance with the manufacturer's standard.

Practical service application

The cover is suitable both for replacing a damaged part and for restoring the completeness of the electrical system after previous repairs. This is particularly important in vehicles operated in variable weather conditions, where the lack of proper shielding can accelerate contact corrosion and cause unstable operation of electrical consumers. Choosing an original component helps reduce the risk of unplanned vehicle downtime and additional diagnostic costs.

If you are planning a comprehensive repair or upgrade of the electrical zone in your Mercedes and need other elements from the same group, such as housings, sockets, or additional modules, check the available parts in the Mercedes Fuses and Fuse Boxes category.

Additional technical support

When working with electrical installations and fuse box cover elements, it is worth exercising special caution so as not to damage wires or connectors. For users who are planning broader service work on the vehicle and want to better prepare for assessing the condition of components, a practical guide available in the article How to buy a used car engine and not get scammed – a step-by-step guide may be helpful, where issues such as verifying technical condition and avoiding common mistakes when purchasing used components are discussed.