Mercedes S203 Estate Door Window Trim Strip Moulding Rear Left N/S A2036902380

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes S203 Estate Door Window Trim Strip Moulding Rear Left N/S is an original body component designed for installation on the rear left side of the vehicle. As part of the Window seals and trim strips group, it is responsible for the aesthetic finishing of the window edge and stable guidance of the seal, which translates into noise reduction and better protection against external factors. It is a practical solution for users who want to restore the factory look of the side body area in their Mercedes estate.

Specifications and technical data

• SKU: A2036902380
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2036902380
• Substitutable numbers: A2036902380, A 203 690 23 80
• Location on the vehicle: Rear, Left
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Purpose and fitment

The trim strip has been designed specifically for the Mercedes C-Class S203 estate version, intended for the rear left side of the body. It is responsible for the correct seating and guidance of the door window seal, as well as for even, stable adhesion to the edge of the sheet metal and glass. Thanks to its factory geometry, the component works well with original windows and other trim strips in this area.

Function in the window sealing system

The window trim strip performs several important operational functions:

• stabilizes the window seal in the rear left door,
• limits the ingress of water and contaminants into the door interior,
• helps reduce wind noise around the window at higher speeds,
• ensures an even finishing line between the window and the door panel.

This improves acoustic comfort inside the cabin, and the window lifting mechanisms are less exposed to accelerated wear caused by dirt and moisture.

Characteristics of the original Mercedes component

As a component originating from a Mercedes vehicle, the trim strip maintains factory dimensions, shape, and mounting method. This facilitates installation in place of a worn or damaged component without the need for modifications. The original design ensures:

• a consistent look with other trim strips and seals on the side of the body,
• proper adhesion to the window and door edge,
• compatibility with factory mounting points in the rear doors.

This solution is particularly beneficial for post-accident repairs or restoring the vehicle to a state close to factory condition after years of operation.

Condition and practical application

The item comes from dismantling, which allows for maintaining the manufacturer's original specification while reducing repair costs. This type of trim strip will work well both when replacing a damaged profile after a collision and when eliminating leaks or excessive noise around the rear window on the driver's side. Replacing the trim strip is a typical service procedure in the event of mechanical wear, deformation, or problems with window guidance.

Complementary Mercedes body components

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

Support in choosing used parts

When selecting components from dismantling, it is worth paying attention to structural compatibility and the way a given subassembly works in the vehicle's system. If you are interested in a broader context of using used components in the car's technical systems, an article describing the principles of safe selection of subassemblies from the secondary market, such as injection pumps or fuel rails, may be helpful – you can find it here: Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?.