Mercedes Vito W639 Seat Box Front Right O/S Seat Mount Base Bracket A6396601840

Mercedes Vito W639 Seat Box Front Right O/S Seat Mount Base Bracket is an original structural component designed for factory installation of the passenger seat. Its robust construction ensures stable seat positioning, while the precise fit for the Vito W639 body facilitates the service replacement of a damaged or corroded part. It is a practical solution for interior repairs, cabin conversions, or restoring the vehicle to its original factory specifications.

Specifications and technical data

• SKU: A6396601840
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6396601840
• Substitutable numbers: A6396601840, A 639 660 18 40
• Location on the vehicle: Front, Right
• Category: Centre & Overhead Console Parts

Application and vehicle function

The described seat base is designed for installation in the front right seat area of the Mercedes Vito W639 generation. This component serves as a structural "box" under the seat, which:

• ensures the correct position of the seat relative to the floor and center console,
• is responsible for the stable mounting of seat rails and mechanisms,
• helps maintain the correct geometry of the passenger's position in the cabin,
• facilitates service replacement of the seat or its components without interfering with the body structure.

Thanks to its dedicated design for a specific body model, the base works with factory mounting points in the floor and the center console system, which helps maintain interior consistency and proper ergonomics.

Construction and fit for Mercedes Vito W639

The seat base was designed by Mercedes as an original component, which translates into compliance with factory dimensions and mounting hole spacing. In practice, this means:

• no need for floor or console modifications during replacement,
• secure fit with adjacent interior elements,
• preservation of the structural rigidity intended by the manufacturer in the seat mounting area.

Such a fit is particularly important in commercial vehicles, where the passenger seat is often subject to intensive use, and any play or deformation of the base can affect the comfort and durability of the entire seating system.

Characteristics of the used component

The offered seat base comes from the used original parts segment, which allows for combining cost-effectiveness with the preservation of the factory design. This type of component is particularly attractive for:

• post-accident repairs within the cabin,
• mechanical damage or primary corrosion of the base,
• interior adaptations where maintaining original mounting points is required.

If you want to learn more about the specifics of the second-hand parts market and make informed purchasing decisions, it is worth reading the article Used car parts: myths and facts you need to know, which discusses the most common concerns and real benefits of choosing verified used components.

Integration with the console and interior ergonomics

As an element from the Console parts group, this seat base works with the central part of the cabin, influencing:

• correct positioning of the seat relative to the center console and dashboard,
• maintenance of the passenger seating position intended by the manufacturer,
• the ability to properly route installations running in the seat base area.

If you are planning a comprehensive repair or upgrade of the center console area in your Mercedes and need other elements from the same group, such as housings, brackets, or additional holders, check the available parts in the Mercedes console parts category.

Benefits of using an original seat base

Using an original seat base in the Mercedes Vito W639 allows you to maintain the structural and functional consistency of the cabin. Key advantages include:

• Factory fit – compliance with the manufacturer's design reduces the risk of assembly problems and unwanted play.
• Stable seat mounting – proper support of the seat structure affects comfort and passenger safety.
• Practical service solution – replacing the complete base is often faster and more predictable than repairing a damaged structural element in the vehicle.

As a result, the described component is a functional choice for interior repairs and conversions, allowing you to maintain the assembly logic and cabin ergonomics characteristic of the Mercedes brand.