Mercedes Vito W639 Fuel Filler Flap Cover Trim Obsidian Black - 197 A6397540034

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes Vito W639 Fuel Filler Flap Cover Trim Obsidian Black is an original body component from the Fuel filler flaps and accessories group, designed for the Mercedes Vito W639 generation models. The part in Obsidian Black Metallic - 197 allows for an aesthetic and technically correct replacement of a damaged fuel filler flap, while maintaining the vehicle's factory appearance.

Specifications and technical data

• SKU: A6397500304-OB
• 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: Obsidian Black Metallic - 197
• Category: Fuel Flaps & Components

Purpose and function of the component

The described fuel filler flap cover has been designed specifically for the Mercedes Vito W639 body, ensuring proper protection of the fuel filler against contaminants and weather conditions. As a body component from the Fuel filler flaps and accessories group, it is responsible for:

• protecting the fuel filler from water, mud, and road salt,
• maintaining a consistent side body line,
• proper closing of the area around the fuel cap.

Color and visual fit

The Obsidian Black Metallic - 197 color is a popular metallic finish used in Mercedes models, allowing for consistency with the vehicle's original paint. As a result, replacing the fuel filler flap does not require additional painting, provided the car has the same paint code, which significantly reduces repair time and service costs.

The original Mercedes origin ensures a proper fit with the bodywork – the lines, bending radii, and mounting method are in accordance with factory specifications, which facilitates installation and minimizes the risk of leaks or improper closing.

Technical characteristics and installation

The fuel filler flap cover is a component structurally matched to the factory hinge and opening mechanism in the Mercedes Vito W639. In practice, this means:

• the possibility of installation in place of a damaged flap without structural modifications,
• maintaining the original opening and closing geometry,
• compatibility with the factory fuel filler protection system.

The product comes from disassembly, which in the case of body components allows for obtaining a part with a factory fit at a more favorable price than a new replacement, while maintaining the manufacturer's original specifications.

Practical application and benefits of replacement

Replacing the fuel filler flap in a Mercedes Vito W639 is recommended in situations where the existing element is mechanically damaged, corroded, or does not close properly. Using this cover allows you to:

• restore proper protection of the fuel filler system,
• reduce the risk of contaminants entering the fuel cap area,
• maintain the aesthetics of the side body section in line with the factory standard.

For workshops and fleet users, this is a technically predictable solution – the original geometry and paint color facilitate quick matching and reduce vehicle downtime.

Related components and technical knowledge

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

To better understand the impact of the fuel filler condition and its surroundings on the operation of the entire fuel system, it is worth checking out our guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where diagnostics, component selection by OEM numbers, and fuel system operating principles are discussed.