Mercedes Vito Viano W639 Fuel Filler Flap Cover Trim Atlantis Blue - 373

Visual condition of the part

The product shows signs of use visible in the photos. Mercedes Vito Viano W639 Fuel Filler Flap Cover Trim Atlantis Blue - 373 is an original body component from the Fuel filler flaps and accessories group, designed for Mercedes Vito and Viano models of the W639 generation. The factory Atlantis Blue - 373 color allows for a seamless match to the vehicle's paintwork without the need for additional painting, provided the color code matches.

Specifications and technical data

• SKU: A6397500304-ATB1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6397500304
• Substitutable numbers: A6397500304, A 639 750 03 04
• Part type: Fuel Door
• Color: Atlantis Blue - 373
• Category: Fuel Flaps & Components

Purpose and function of the fuel filler flap

The presented fuel filler flap is designed specifically for the Mercedes Vito and Viano W639 body, ensuring proper coverage of the fuel filler neck and an aesthetic finish for the side of the vehicle. This component is responsible for protecting the filler neck from dirt, moisture, and mechanical damage, while also contributing to the visual consistency of the body lines. Thanks to its factory origin, the flap maintains the correct geometry, which facilitates installation at the original mounting points and ensures proper operation with the opening mechanism and the central locking system (if present in the vehicle's specific configuration).

Atlantis Blue - 373 color and visual fit

The Atlantis Blue - 373 color is a distinctive, elegant shade of blue used as a factory standard on Mercedes Vito and Viano W639 models. Using a flap in the same paint code allows for:

• maintaining a uniform paint surface across the entire side of the vehicle,
• avoiding tonal differences typical of unpainted aftermarket replacements,
• reducing the costs of additional painting when the color matches the bodywork. For body shops and users who care about the appearance of their car, this is a practical solution for post-accident repairs or replacing a damaged flap.

Technical characteristics and installation

As an item from the Fuel filler flaps and accessories category, the flap is structurally adapted to operate in an area exposed to variable weather conditions and frequent opening and closing. The properly selected base material and factory paint coating ensure dimensional stability and resistance to typical operational loads. The product is intended for installation in place of the original flap, using the factory mounting points on the body. In practice, this means it can be used for both bodywork repairs and the replacement of a mechanically damaged component, without the need for any vehicle structural modifications.

Used condition and economic benefits

The fuel filler flap is offered in used condition, which represents a favorable compromise between purchase cost and maintaining the original manufacturer's quality. For many users and repair shops, this is an effective solution for maintenance and post-accident repairs, especially in fleet or heavily used vehicles. The original origin of the component promotes proper fitment with the bodywork, which is important both for the sealing of the fuel filler area and for the aesthetics of the side of the body.

Technical support and additional information

When selecting components related to the refueling area, it is worth ensuring proper maintenance of the entire fuel system. Detailed information on diagnostics, operation, and regeneration of components such as injectors, pumps, or the fuel tank can be found in the article: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. If you are considering a choice between new and used parts, it may be helpful to compare the costs and durability described in the post: New or used? A comparison of costs and quality of car parts. If you are planning a comprehensive repair or upgrade of the fuel filler area in your Mercedes and need other items from the same group, such as additional flaps, covers, or mounting accessories, check out the available parts in the Mercedes fuel filler flaps and accessories category.