Mercedes Vito W639 Rear Seat Rail Floor Mounting Holder Bracket A6399502000

Mercedes Vito W639 Rear Seat Rail Floor Mounting Holder Bracket is a precision component from the Seats and benches category, designed for the rear interior of the vehicle. The rail serves as a structural guide base for the seat, ensuring stable mounting, repeatable positioning, and safe operation of the sliding mechanism. The black color facilitates aesthetic integration with the factory interior finish of the Mercedes.

Specifications and technical data

• SKU: A6399502000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6399502000
• Substitutable numbers: A6399502000, A 639 950 20 00, BG
• Location on the vehicle: Rear
• Color: Black
• Category: Seats and Sofas

Purpose and function in the seating system

The rear seat rail in the Mercedes W639 model is responsible for guiding and supporting the seat structure in the rear part of the vehicle. The component operates along the longitudinal axis, enabling correct seat positioning relative to the floor and maintaining stability while driving. Thanks to its fitment for the specific body platform, the proper mounting geometry is maintained, which translates into passenger comfort and the correct operation of adjustment mechanisms.

Its placement in the rear cabin zone ensures that the rail works with factory mounting points in the floor, and its design is adapted to the loads generated by passengers and the dynamic forces acting on the seat. This solution allows for maintaining the consistency of the entire seating system without the need to interfere with the body structure.

Performance parameters and interior fitment

The black color of the rail promotes discreet installation and blends well with typical upholstery configurations used in the Mercedes W639. The neutral finish facilitates integration with original plastic and metal elements in the rear cabin, which is important for both repairs and interior modifications.

The component belongs to the Seats and benches group, making it structurally prepared for use with factory seat frames, guides, and mounting points. The properly selected geometry of the rail helps reduce play in the seat mounting and supports even load distribution on the floor structure.

Application in repairs and interior tuning

The rear seat rail in the Mercedes W639 is suitable for both standard replacement of a damaged part and more advanced work related to seating system reconfiguration. Using the original design allows for maintaining compliance with factory mounting points, which facilitates installation and reduces the risk of improper fitment.

For those planning to improve ergonomics or change the configuration of the rear cabin, using a dedicated rail is essential from the perspective of safety and the durability of the entire system. A used component allows these goals to be achieved economically while maintaining the correct structural parameters.

Condition, origin, and environmental aspect

The product comes from the Mercedes brand and is a used item, which means it was previously operated in a vehicle but is still suitable for further use after proper installation. Choosing such a solution allows for reducing repair costs and aligns with the approach of reusing functional components instead of opting for new replacements.

If you want to better plan your cabin modernization using components from the seating group, it is worth checking out practical tips regarding the selection of seats and control elements – you will find them in the article Car interior tuning with Global Parts, which discusses the use of used seats and steering wheels in improving interior comfort and functionality.

Expanding work within the seating system

If you are planning a comprehensive repair or modernization of the seating zone in your Mercedes and need other elements from the same group, such as frames, guides, or complete seats, check out the available parts in the Mercedes Seats and benches category.

Choosing used components from this group allows you to maintain the structural consistency of the interior while simultaneously reducing waste and service costs. For those interested in the broader context of reusing automotive parts, additional information is provided in the entry dedicated to the circular economy, available at the link Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.