Sealing Rail Mercedes GLC X253 Rear Door Exterior Window Right O/S A2537304601

Sealing Rail Mercedes GLC X253 Rear Door Exterior Window Right O/S is an original body component from the Protective and decorative strips group, designed for installation on the right side of the rear part of the vehicle. It ensures a tight window seal, protects the door edge, and improves the aesthetics of the side body line, maintaining the factory character of the GLC X253 model.

Specifications and technical data

• SKU: A2537304601
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2537304601
• Substitutable numbers: A2537304601, A 253 730 46 01
• Location on the vehicle: Rear, Right
• Category: Body Mouldings & Trims

Purpose and function of the component

The presented sealing rail is dedicated to the rear right door window in the Mercedes GLC X253. It is responsible for:

• sealing the contact point between the window and the door panel from the outside,
• protecting the metal edge against dirt and minor damage,
• stable window guidance during raising and lowering,
• maintaining a consistent stylistic line of the side body section.

Thanks to its fitment to the specific body model, the rail works with the factory window lifting mechanism, reducing the risk of rattling, play, or leaks in the rear passenger-side area.

Construction and body fitment

The rail is designed as an exterior component for the rear right door, with a profile matched to the contours and geometry of the GLC X253 body. The design provides for:

• precise adhesion to the window edge and door panel,
• maintaining proper sealing pressure along the entire length,
• compatibility with factory mounting points in the rear doors.

This solution allows for installation without modifications, while maintaining the original side line and proper window operation in the guides.

Benefits of using an original rail

Using an original sealing rail in the rear right part of the body brings a number of practical benefits:

• Factory fit – the component is designed for the specific door geometry, which reduces the risk of leaks and wind noise.
• Stable window operation – the proper seal profile supports even window guidance in the upper and lower positions.
• Door edge protection – the rail acts as a barrier against minor contaminants and moisture in the critical area where the window meets the panel.
• Consistent appearance of the side body – maintaining the original line and finish characteristic of the Mercedes GLC X253.

This solution is particularly recommended when replacing a damaged or worn rail after a collision, during body and paint repairs, or when eliminating leaks in the rear part of the vehicle.

Installation zone and service application

The component is intended for installation in the rear part of the body on the right side, on the outer edge of the door window. This location makes the rail significant both for acoustic comfort inside the vehicle and for protection against water and dirt in the rear passenger door area.

In workshop practice, this type of rail is often replaced during:

• post-accident repairs of the rear right side of the body,
• door regeneration after corrosion or mechanical damage,
• eliminating leaks and noise in the rear window area.

Expanding the scope of repairs – Mercedes protective and decorative strips

If you are planning a comprehensive repair or upgrade of the side body zone in your Mercedes and need other elements from the same group, such as covers, overlays, or additional strips, check the available parts in the Mercedes protective and decorative strips category.

More about the use of used parts

If you are interested in the broader context of using used components in the automotive industry – both for repairs and modifications – it is worth familiarizing yourself with practical tips regarding the selection and installation of such elements. You can find more on this topic in the article Audi on second-hand parts – tuning and repairs without loss of quality, which shows how to effectively use proven components from the secondary market.