Mercedes S124 Window Rail Door Guide Seal Gasket Rear Right O/S A1247350825

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes S124 Window Rail Door Guide Seal Gasket Rear Right O/S is an original body component from the Door seals group, designed for installation in the rear right section of the vehicle. Its precisely matched geometry and factory design ensure proper door edge guidance and stable adhesion to the body, which translates into reduced noise and better protection against external factors. This is a practical solution for users who want to maintain the stylistic and functional consistency of the side body area in their Mercedes.

Specifications and technical data

• SKU: A1247350825
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1247350825
• Substitutable numbers: A1247350825, A 124 735 08 25
• Location on the vehicle: Rear, Right
• Category: Door Seals

Purpose and vehicle placement

The rail is dedicated to installation in the rear right door area, meaning it operates at the critical contact point between the door panel and the side bodywork. Placement on the vehicle in the Rear, Right zone allows for the precise restoration of the factory body line and ensures the door operates correctly during opening and closing.

Such a fit is important for both sealing and aesthetics – a properly selected rail reduces the risk of play, rattling, or unwanted vibrations while driving.

Technical function and installation benefits

As an element from the Door seals group, the rail performs several important technical functions:

• it stabilizes the door edge relative to the side bodywork,
• it supports the maintenance of a seal within the rear right body zone,
• it helps limit the ingress of moisture and contaminants into the interior,
• it reduces unwanted wind noise around the door at higher speeds.

Thanks to the preservation of the original mounting geometry, the rail allows for the restoration of proper door operation after bodywork repairs or the replacement of side body components. This is particularly important in vehicles where the consistency of factory design solutions is maintained.

Product characteristics and fitment for Mercedes

The rail has been designed with the specific door construction of the S124 series models in mind, which translates into a proper fit with the body lines and side contours. Using an original Mercedes solution allows for compatibility with factory mounting points and avoids problems typical of universal-profile aftermarket replacements.

The product is offered in a used condition, making it a reasonable choice for maintenance repairs or restoring vehicle functionality after mechanical damage, where technical performance and compliance with the car's design are the priority.

Application in body and door zone repairs

Installation of this rail is particularly recommended in situations where:

• the original rail has been damaged or deformed due to collision or corrosion,
• there are leaks in the rear right door area,
• after body and paint repairs, it is necessary to restore the factory sealing system,
• unwanted door noises related to play on the door edge occur.

Using an original component helps reduce the time required for fitting and adjustment, and also makes it easier to maintain the visual consistency of the entire side area of the vehicle.

Expanding Mercedes door zone upgrades

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as additional rails, sealing profiles, or edge finishing elements, check out the available parts in the Mercedes door seals category.

Technical support and vehicle configuration development

For more advanced upgrade projects, covering not only the door area but also driver ergonomics, it is worth checking out tips on selecting premium equipment. Practical advice on replacing control elements with higher-standard versions can be found in the article "Personalization and ergonomics – when is it worth upgrading your steering wheel to a premium model?", which discusses, among other things, Sport, M-Package, or AMG configurations.