Mercedes Vito W639 Sealing Gasket Rear Right O/S Quarter Window Glass Seal

Mercedes Vito W639 Sealing Gasket Rear Right O/S Quarter Window Glass Seal is a precisely profiled component from the Door seals category, designed to maintain airtightness and acoustic comfort in the Mercedes Vito W639 bodywork. The black color of the seal allows for an aesthetic match to the factory finish, and the construction dedicated to a specific mounting location facilitates correct installation and reduces the risk of leaks.

Specifications and technical data

• SKU: A6396712720
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6396712720
• Substitutable numbers: A6396712720, A 639 671 27 20
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Door Seals

Purpose and body fitment

The presented seal is intended for installation in the rear area of the body on the right side, within the quarter window. Thanks to this component, it is possible to restore the proper tightness of the window area, which has a direct impact on:

• limiting the ingress of water and moisture into the interior,
• reducing wind noise while driving,
• stable seating of the glass in the body frame.

The dedicated placement on the vehicle ensures that the seal works with the factory body geometry, without the need for modifications or forced fitting.

Technical and construction characteristics

The seal is made in black, which is the standard for most Mercedes Vito W639 body configurations and allows for a consistent, visually neutral appearance. The working profile is adapted to the shape of the window frame, which promotes even pressure around the entire perimeter and stable performance over a long period of operation.

As an item from the Door seals category, the part is responsible for separating the vehicle interior from external factors in the side window area, working in conjunction with the door structure and side paneling. The appropriately selected hardness of the rubber compound promotes the maintenance of flexibility during temperature changes and proper adhesion to the glass and bodywork.

Condition of the item and service application

The product is offered as a used part, which makes it an attractive service solution for maintenance repairs or after mechanical damage in the area of the side window. This type of component is particularly useful when:

• the original seal has become worn, brittle, or deformed,
• there are leaks manifesting as wind noise or water ingress,
• replacement is necessary after removing the glass during other body and paint repairs.

Using an original seal intended for a specific body model allows for reducing the risk of fitment problems typical of universal replacements and facilitates the maintenance of the vehicle's proper performance parameters.

Benefits of installation in the Mercedes Vito W639

Replacing the window seal in the Mercedes Vito W639 affects not only driving comfort but also the protection of interior elements against moisture. A correctly selected and installed component:

• improves the acoustic insulation of the passenger cabin,
• reduces the risk of corrosion around the edges of the glass and frame,
• supports the maintenance of a stable position of the glass relative to the body.

For users who pay attention to the functionality and durability of service solutions, the use of a dedicated seal is a way to maintain the proper operational standard of a Mercedes brand vehicle.

Expansion of service work in the door area

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as perimeter seals, frame seals, or guide seals, check the available parts in the Mercedes door seals category.