Mercedes Vito W639 Cross Member Rear Seat Reinforcement Bar Mounting A6396100917

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes Vito W639 Cross Member Rear Seat Reinforcement Bar Mounting is an original structural component designed for the rear part of the cabin, responsible for the stable mounting of passenger seats. Thanks to its factory-fit for the Vito W639 body, it ensures predictable body behavior under load and proper transfer of forces from the seats to the vehicle structure. The Brilliant Silver Metallic color allows for visual consistency with other interior and body elements, facilitating an aesthetic finish of the passenger compartment.

Specifications and technical data

• SKU: A6396100917
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6396100917
• Substitutable numbers: A6396100917, A 639 610 09 17, BG
• Location on the vehicle: Rear
• Color: Brilliant Silver Metallic - 9744
• Category: Doors & Door Skins

Purpose and function of the component

The rear seat reinforcement bar mounting in the Mercedes Vito W639 plays a key role in the seat mounting area in the rear of the vehicle. It is a load-bearing element that:

• ensures rigid and repeatable positioning of the seats relative to the floor and body,
• transfers loads from passengers as well as dynamic forces acting during driving and braking,
• stabilizes the structure of the rear cabin zone, limiting unwanted deflection and vibration.

By using the original mounting, the factory geometry of the attachments is maintained, which is important both for passenger comfort and for proper interaction with factory seat belt anchor points and seat rails.

Placement in the vehicle and integration with the body

The element is designed for installation in the rear part of the vehicle, in the area intended for passenger seats. The design of the mounting is adapted to the architecture of the Vito W639 floor, which enables:

• precise fitment with factory mounting points in the rear cabin zone,
• correct alignment of the seats relative to the vehicle axis and sill lines,
• maintenance of compatibility with original seat rails and mounts.

Such fitment reduces the need for additional modifications and allows for compliance with factory service documentation and manufacturer assembly procedures.

Surface finish and Brilliant Silver Metallic color

The mounting is finished in the Brilliant Silver Metallic - 9744 shade, characteristic of many structural and trim elements of Mercedes. This color:

• facilitates integration with other components in the passenger and cargo area,
• promotes a consistent, orderly appearance of the rear interior,
• allows for aesthetic matching in the case of special conversions or interior modifications.

The metallic finish is practical for daily use – it effectively masks minor dirt and typical signs of wear, which is especially important in commercial and fleet vehicles.

Product characteristics and service application

As an element from the Doors and door panels group, the rear seat reinforcement bar mounting is a structural part related to bodywork and chassis construction. In service practice, it is primarily used in situations of:

• post-accident repairs of the rear body section, where deformation of the seat mounting zone has occurred,
• mechanical damage or corrosion in the area of factory seat mounting points,
• interior conversion (e.g., changing seat configuration) while maintaining original Mercedes structural solutions.

The original origin from the Mercedes brand promotes compliance with technical documentation and safety parameters intended for the Vito W639 model.

Condition, selection, and benefits of using an original part

The product is offered in used condition, which allows for economical repair or reconstruction of the rear seat mounting zone while maintaining factory structural specifications. Choosing an original mounting instead of a replacement translates into:

• certainty of fitment for the specific Vito W639 generation without the need for modifications,
• maintenance of the stiffness and body performance characteristics intended by the manufacturer,
• easier verification of compliance with service documentation and assembly diagrams.

Before installation, it is recommended to perform a standard inspection of the surface condition, mounting points, and preparation for further anti-corrosion protection in accordance with workshop procedures.

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

For users interested in further improving driver ergonomics and interior personalization, additional information on selecting advanced cabin equipment solutions is provided in the article Personalization and ergonomics – when is it worth replacing the steering wheel with a premium model?, which discusses, among other things, sport and premium steering wheel versions.