Mercedes X253 Rear Upper Window Left N/S Outside Trim Bar Strip Rail A2537353500

The Left Rear Upper Window Trim for Mercedes X253 is a precisely fitted body component responsible for the aesthetic finishing of the window edge and the stable guidance of the seal. The original design, intended for the rear left side, ensures proper alignment with the body and other assembly components. This allows you to maintain the factory body line and reduce the risk of unwanted vibrations and noises around the window.

Specifications and technical data

• SKU: A2537353500
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2537353500
• Substitutable numbers: A2537353500, A 253 735 35 00
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and Function of the Component

The described outer upper rear window trim is dedicated to the Mercedes X253 body and is mounted on the left side at the rear of the vehicle. Its functions include:

• Stable guidance and support for the window seal in the upper area of the rear window,
• Protection of the sheet metal edge against external factors,
• Complementing the styling line of the side and rear of the body.

Thanks to its proper profile, the trim works in conjunction with the window and seal, helping to limit the ingress of water and dirt around the window edge. Precise fit for the specific body model facilitates installation and maintains a cohesive look for the entire side of the vehicle.

Construction and Body Fitment

This trim belongs to the group of body elements referred to as Window Seals and Trim, meaning it works with both the window and the seal. Its profiled construction is prepared for installation at factory mounting points, without the need for body modifications.

Its placement on the rear left side of the vehicle means the component operates in an area exposed to variable weather conditions and road dirt. Using an original trim helps maintain proper seal pressure and reduces the risk of air noise at higher speeds. This is particularly important in premium vehicles where acoustic comfort and visual body coherence are significant.

Benefits of Using an Original Trim

Using a dedicated outer rear window trim for the Mercedes X253 offers a range of practical benefits:

• Maintaining the factory appearance of the side and rear of the body,
• Better fit to the window and seal compared to universal aftermarket parts,
• Reduced risk of leaks around the upper edge of the window,
• Easier installation due to preparation for original mounting points.

This type of component is particularly recommended when replacing a window, performing post-accident repairs, or renovating the side of the body, when the existing trim is damaged, deformed, or shows signs of wear. Selecting a component that matches the body construction helps avoid fitment issues and speeds up service work.

Mounting Area and Service Application

The trim is designed for installation in the rear left part of the vehicle, in direct proximity to the window. This location requires maintaining the correct geometry of the element to avoid stressing the glass and seal. In workshop practice, this type of part is used:

• When replacing or reinstalling the rear window,
• After bodywork and paint repairs in the area of the pillar and the upper window edge,
• During the elimination of leaks and noise in the rear window area.

A properly selected trim helps restore the original functional parameters of the body, which is important for both driving comfort and long-term protection of the sheet metal edge against corrosion.

Condition and Performance Characteristics

The offered item is in used condition, meaning it comes from a dismantled vehicle and has been previously used. Such components are often chosen for repairs where maintaining original geometry and body compatibility is crucial, while optimizing costs. A used body trim can be a sensible compromise between quality and budget, especially for older vehicle models.

If you are planning a comprehensive repair or upgrade of the window area in your Mercedes and need other parts from the same group, such as guide rails, perimeter seals, or additional finishing profiles, check the available parts in the Mercedes Window Seals and Trim category.