Mercedes X253 Window Frame Rear Door Left N/S Cover Trim Seal Black A2537370300

Mercedes X253 Window Frame Rear Door Left N/S Cover Trim Seal is a precisely fitted body component from the Doors and door panels category, designed for installation on the rear left side of the vehicle. The black window frame seal ensures a tight fit of the glass within the door, stabilizes its position, and reduces the ingress of noise and contaminants into the cabin. Its original Mercedes origin guarantees proper geometry and compatibility with the X253 model's door structure.

Specifications and technical data

• SKU: A2537370300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2537370300
• Substitutable numbers: A2537370300, A 253 737 03 00
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Doors & Door Skins

Purpose and function in the bodywork

The rear left door window frame seal is responsible for the proper guidance and support of the glass, as well as maintaining a seal between the glass and the door structure. This component operates in a critical area of the bodywork, subject to variable mechanical loads, vibrations, and environmental factors.

Thanks to its proper profile and fit to the shape of the X253 door, the seal helps to reduce:

• air drafts at higher speeds,
• water and moisture ingress near the upholstery,
• excessive glass vibration while driving.

Compatibility with Mercedes X253

The component in question was designed specifically for the rear door structure on the left side of the X253 body, which translates into a proper fit with the door frame and other window system components. The black color of the seal is consistent with the factory finish of the window edges and seals in this model, ensuring a uniform appearance of the side body line after installation.

The original window frame seal works in conjunction with the factory window lifting mechanism and other door seals, which facilitates installation and reduces the risk of leaks after replacing the part.

Performance characteristics and installation

As a used part, this seal is a cost-effective solution for accident repairs, replacing corroded or deformed door frames, or eliminating leaks around the window. The preserved geometry of the profile allows for reuse in the vehicle while maintaining the factory standard of fitment.

A properly selected rear left window frame seal:

• facilitates the correct positioning of the glass in the guides,
• reduces the risk of rattling and squeaking in the door area,
• supports the acoustic insulation of the passenger cabin.

The importance of original used parts

Using original Mercedes body components is important not only for operational comfort but also for the future value of the vehicle. In the case of repairs involving doors and windows, choosing factory-used parts allows for maintaining the structural and visual consistency of the car, which is essential for professional restoration or preparing the vehicle for sale. If you want to better understand the impact of such service decisions on the market value of a car, see the article Original used parts vs. resale price – how not to lose money?.

Expanding repairs in the Mercedes door area

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as panels, reinforcements, or additional covers, check out the available parts in the Mercedes Doors and door panels category.