Mercedes W205 Window Rail Seal Rear Left N/S Sealing Strip Trim A2057300324

The Mercedes W205 Rear Left Window Seal Strip is a precisely fitted body part from the Doors and Door Panels group, designed for the rear left window in W205 series models. This black sealing strip ensures a watertight window guide, reduces wind noise, and supports the proper functioning of the window regulator.

Specifications and technical data

• SKU: A2057300324
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057300324
• Substitutable numbers: A2057300324, A 205 730 03 24
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Doors & Door Skins

Part Purpose and Function

The rear left window seal strip is responsible for the stable guidance of the window within the door frame and for maintaining proper sealing between the window and the door panel. A correctly selected part in this area:

• prevents water and dirt from entering the door interior,
• reduces cabin noise at higher speeds,
• supports the smooth operation of the window raising and lowering mechanism,
• prevents accelerated wear of the window and guides.

Thanks to its dedicated placement on the rear left side of the vehicle, the strip is structurally adapted to the door geometry of the Mercedes W205, ensuring secure mounting and proper adhesion to the window edge.

Color and Body Integration

The black color of the strip allows for a seamless integration with the factory seals and window frames of the Mercedes C-Class W205. This neutral, dark hue:

• harmonizes with most paintwork and body trim configurations,
• conceals minor dirt typical for the lower window edge area,
• enhances the vehicle's side profile without introducing additional contrasts.

This finish helps maintain the aesthetic appeal of the vehicle's side after replacing the part, without the need for additional visual modifications.

Mounting Characteristics

As a part from the Doors and Door Panels group, the strip is designed for specific mounting points and the shape of the rear left door in the Mercedes W205. In practice, this means:

• a dedicated profile matched to the window edge and door frame,
• provision for mounting points consistent with factory locations on the body,
• possibility of installation as a replacement for the factory seal without altering the door structure.

This solution facilitates servicing and reduces the time required to restore full functionality to the rear left window after damage or wear of the previous seal.

Condition and Service Application

This part is offered as a used component, allowing for an economical repair of the rear window area while maintaining the original geometry and fit characteristic of the Mercedes brand. This type of part is particularly suitable for situations where:

• the existing seal is mechanically damaged or deformed,
• there are leaks around the rear left window,
• undesirable noises occur near the rear doors while driving.

If you are planning a comprehensive repair or upgrade of the door area on your Mercedes and require other parts from the same group, such as panels, reinforcements, or additional strips, check the available parts in the Mercedes Doors and Door Panels category.

For drivers interested in a broader approach to road safety and visibility, a helpful guide might be useful – find more information in the article See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights.