Mercedes X253 Seal Rail Trim Outer Rear Right O/S Door Window A2537350425

Mercedes X253 Seal Rail Trim Outer Rear Right O/S Door Window is an original body component from the Door seals group, designed for installation in the rear right section of the vehicle. The precisely shaped sealing trim supports window tightness, reduces wind noise, and improves acoustic comfort inside the cabin. This is a practical solution for users who want to restore the factory fit and aesthetics of the side body area in their Mercedes.

Specifications and technical data

• SKU: A2537350425
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2537350425
• Substitutable numbers: A2537350425, A 253 735 04 25
• Location on the vehicle: Rear, Right
• Category: Door Seals

Purpose and function of the window seal trim

The described window seal trim is dedicated to installation in the area of the rear right side window. Its task is to seal the contact point between the glass and the body frame and to stabilize the edge of the window during the operation of the lifting and lowering mechanism. Thanks to its appropriate profile, the component helps to limit the ingress of water, dust, and air gusts into the door interior and the cabin.

A properly selected seal in this area contributes to:

• noise reduction when driving at higher speeds,
• protection against moisture inside the door,
• stable window guidance in the tracks,
• maintaining a consistent visual line of the side body section.

Benefits of using an original Mercedes seal

Using an original window seal trim in a Mercedes GLC X253 allows for maintaining factory fitment and predictable window behavior during operation. The component has been designed specifically for the rear right part of the body, which minimizes the risk of leaks and problems with window closing.

Key advantages include:

• dedicated fit for a specific installation location – no need for modifications or profile adjustments,
• preservation of factory window guidance geometry – less strain on the lifting mechanism,
• consistent appearance with other side body trim elements,
• the ability to restore original acoustic comfort after replacing a worn or damaged seal.

Installation characteristics of the rear right seal

The seal is designed for installation in the rear right body zone, which facilitates the identification of the correct installation location during service work. The component's design is adapted to the factory mounting points in the door and window frame, making the installation process orderly and predictable.

When replacing, it is worth paying attention to:

• cleaning the contact surface of old seal residues and dirt,
• correct positioning of the profile along the entire length of the window edge,
• checking the window operation after installation – smoothness of movement and tightness when closed.

Condition and use in vehicle service

The offered window seal trim comes from a used vehicle, making it an attractive solution for users looking for original components on a reasonable budget. Such components are often chosen for accident repairs, replacing corroded or deformed trims, and eliminating leaks around the rear side window.

In workshop practice, using an original, used seal allows you to:

• maintain compliance with the vehicle's factory specifications,
• reduce the time required to fit the component,
• maintain visual consistency with other seals in the vehicle.

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 sealing strips, surrounds, or additional window profiles, check the available parts in the Mercedes door seals category.

For drivers who are simultaneously servicing the thermal comfort systems in their car and want to better plan the selection of components, a guide on air conditioning and heating may be helpful – you can find it in the article Air conditioning and heating – part selection and maintenance for year-round comfort.