Mercedes Vito W639 Window Frame Rear Right O/S Sliding Door Trim A6397371271

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes Vito W639 Window Frame Rear Right O/S Sliding Door Trim is a precision-engineered body component from the Doors and door panels category, designed for installation in the rear right section of the vehicle. The black frame ensures a consistent look for the side body area and provides stable window seating, which translates into driving comfort and vehicle aesthetics. This used component allows for an economical yet professional repair without the need for expensive replacements.

Specifications and technical data

• SKU: A6397371271
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6397371271
• Substitutable numbers: A6397371271, A 639 737 12 71, BG
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Doors & Door Skins

Purpose and function of the window frame

The rear right window frame is responsible for the stable guidance and support of the window within the door, as well as for proper sealing of the contact area between the glass and the door structure. Its placement in the rear right part of the vehicle makes this element significant for both passenger comfort and protecting the interior from external factors.

The black color of the frame allows for maintaining a uniform stylistic line of the body, which is particularly important during post-accident repairs or when replacing individual components within the side bodywork. Thanks to its fitment for the specific generation of the Mercedes W639 family, the frame works seamlessly with factory seals and the window lifting mechanism.

Benefits of using an original frame

Using an original window frame in the rear right door section ensures:

• proper fitment with the door structure and glass,
• stable window guidance during opening and closing,
• maintenance of the correct door edge geometry,
• aesthetic finishing of the side body section.

The used component allows for reduced repair costs while maintaining factory geometry and compatibility with other door components. This is a practical solution when replacing a damaged or corroded frame, especially when you prioritize technically correct installation and predictable component performance during operation.

Color and body fitment

The black window frame blends well with both light and dark body paints, requiring no additional visual modifications. This facilitates quick replacement in a body shop or during DIY repairs, without the need to interfere with other door components.

Its placement in the rear right part of the vehicle means the frame works with the rear side window and seals in that area. A correctly selected component reduces the risk of leaks, rattling, or unwanted play in the window guidance.

Application in body repairs

The rear right window frame is particularly useful in situations involving mechanical door damage, window edge deformation, or wear of window guide components. Replacing just the frame often helps avoid the costly replacement of the entire door, restoring the proper operation of the window mechanism and the aesthetics of the vehicle's side.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as skins, reinforcements, or additional profiles, check out the available parts in the Mercedes Doors and door panels category.

Additional technical support

When working on suspension, body geometry, and overall structural rigidity, it is worth paying attention to the condition of components responsible for wheel guidance and vibration damping. If you want to better understand how the wear of chassis components affects driving comfort and noises coming from the undercarriage, check out the article Suspension knocking? Discover a clever way to restore factory handling precision without spending a fortune at the service center.