Mercedes Vito W639 Fuel Filler Flap Cover Trim Carbon Black - 040 A6397500304

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes Vito W639 Fuel Filler Flap Cover Trim Carbon Black is an original body component from the Fuel filler covers and accessories group, designed for the Vito W639 generation models. Finished in the Carbon Black - 040 shade, this flap allows for an aesthetically pleasing and technically correct replacement of a damaged part, maintaining a consistent look for the side of the vehicle body.

Specifications and technical data

• SKU: A6397500304-CBL
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6397500304
• Substitutable numbers: A6397500304, A 639 750 03 04, A6397540034, A 639 754 00 34
• Color: Carbon Black - 040
• Category: Fuel Flaps & Components

Purpose and function of the fuel filler flap

The presented fuel filler flap has been designed specifically for the Mercedes Vito W639 body, ensuring a proper fit to the fender line and correct operation with the fuel filler opening and closing mechanism. The component is responsible for protecting the fuel cap and filler neck from dirt, moisture, and mechanical damage, which is important for both the durability of the fuel system and operational safety.

The Carbon Black - 040 color allows for consistency with the factory body paint in this shade, which reduces the need for additional paint work or allows it to be simplified. As a result, replacing a damaged flap is quick, and the visual effect remains consistent with the manufacturer's original design.

Construction, fitment, and installation

The fuel filler flap belongs to a group of body components that must be precisely matched to a specific vehicle model. Its original Mercedes origin ensures the maintenance of the correct geometry, mounting points, and compatibility with the hinge and opening mechanism used in the Vito W639. Thanks to this, the installation process is straightforward, without the need for modifications or edge adjustments.

The item is offered as used, which in practice means it comes from disassembly and may show signs of wear typical of second-hand parts. For many users, this is a beneficial solution that allows for maintaining original build quality while optimizing body repair costs.

Benefits of using the original Carbon Black - 040 flap

Using an original fuel filler flap in the dedicated color offers several practical benefits:

• maintaining the factory appearance of the side body section without visible differences in shape and fitment,
• reducing the risk of problems with closing or opening the fuel filler,
• easier color matching thanks to the Carbon Black - 040 shade designation,
• the possibility of economical repair using a used part.

For workshops and individual users, this means predictable installation and an aesthetic final result, without the need to experiment with replacements of uncertain fitment.

Fuel filler area and proper vehicle operation

A functional and sealed fuel filler area is important not only for visual reasons but also for operation. A well-fitted flap limits the ingress of dirt and moisture around the cap and filler neck, which helps maintain the proper operation of the fuel system. If you want to better understand the relationship between the condition of external components and the health of the entire fuel system, it is worth checking out our guide – it is discussed in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Mercedes fuel filler covers and accessories – expansion and modernization

If you are planning a comprehensive repair or modernization of the fuel filler area in your Mercedes and need other components from the same group, such as additional covers, mounts, or complementary accessories, check out the available parts in the Mercedes fuel filler covers and accessories category.

Summary

Mercedes Vito W639 Fuel Filler Flap Cover Trim Carbon Black is a practical solution for users who want to restore the proper appearance and functionality of the fuel filler area after damage or corrosion of the original part. Its original Mercedes origin, dedication to a specific Vito generation, and precisely defined body color provide a solid foundation for a technically correct repair, without unnecessary compromises in terms of fitment and aesthetics.