Mercedes W639 Rear Sliding Doors Trim Left N/S Stop Bumper A6397330008

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W639 Rear Sliding Doors Trim Left N/S Stop Bumper is an original body component designed for the rear left sliding door area in W639 series models. As part of the Trims, decorative strips and decorations group, it is responsible for precise guidance and control of the door's range of motion, contributing to daily operational comfort. This used component allows for an economical yet technically correct repair of the factory sliding door system in your Mercedes.

Specifications and technical data

• SKU: A6397330008
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6397330008
• Substitutable numbers: A6397330008, A 639 733 00 08
• Location on the vehicle: Rear, Left
• Category: Trim

Purpose and function of the stop bumper

The presented stop bumper has been specifically designed for installation in the rear left part of the body, within the sliding door mechanism. Its function is to:

• stabilize the door movement in the guide rail,
• limit the extreme positions of the door leaf,
• protect bodywork and trim elements from excessive stress.

Thanks to the proper selection and installation of this element, the smoothness of the door operation and correct fitment with the body are maintained, which translates into convenient vehicle usage in daily conditions.

Construction and body fitment

The stop bumper works with the factory guide and mounting system characteristic of the W639 series, ensuring proper positioning of the door leaf relative to the body. The component's construction is adapted to:

• the geometry of the rear left part of the body,
• loads resulting from the weight of the sliding door,
• operation in variable service conditions (frequent opening and closing).

As an original part from the Mercedes brand, it guarantees proper fitment with factory mounting points, without the need for modifications or forced fitting.

Condition, origin, and benefits of choosing a used part

The stop bumper comes from the secondary market and is offered as a used component, which allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. Choosing this solution means:

• savings compared to new components while maintaining the factory design,
• maintaining compliance with the sliding door system intended by the manufacturer,
• reducing waste through the reuse of functional parts.

For many Mercedes W639 series users, this is a reasonable compromise between service costs and keeping the vehicle in a configuration close to the factory state.

Selection and vehicle compatibility

To correctly select the stop bumper for a specific vehicle, it is worth verifying compatibility with manufacturer markings, such as the OEM part number and available interchangeable numbers. Additionally, it is helpful to check:

• placement on the vehicle – in this case, rear, left side,
• vehicle model series (W639),
• type of sliding door system used.

This approach minimizes the risk of purchasing an incorrect part and speeds up the installation process in a workshop or during a DIY replacement.

Mercedes trims, decorative strips and decorations – expansion and service

If you are planning a comprehensive repair or upgrade of the side body area in your Mercedes and need other elements from the same group, such as covers, guide rails, or decorative door finishes, check the available parts in the Mercedes trims, decorative strips and decorations category.

Why it is worth choosing original used parts

For Mercedes-class vehicles, using original, even used, body and interior components often ensures a better fit than aftermarket replacements with uncertain specifications. Similar conclusions apply not only to this brand – you can read more about the advantages of such solutions in the article Used parts for BMW – is it worth it? Key benefits for fans of the brand, which discusses, among other things, the economic and ecological aspects of reusing parts.

Summary

Mercedes W639 Rear Sliding Doors Trim Left N/S Stop Bumper is a practical solution for users who want to restore the proper operation of sliding doors while maintaining the vehicle's original design. A properly selected and installed element supports daily comfort, protects the body from overloads, and allows the door system's functionality to be maintained at a level consistent with the manufacturer's standards.