Mercedes W204 Rear Door Inside Sealing Rail Left Window A2047354565

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 Rear Door Inside Sealing Rail Left Window is a precisely fitted body component responsible for effectively draining water and debris from the window surface. As part of the Claddings, decorative strips, and trims group, it improves both window protection and the aesthetics of the vehicle's side profile. It is a practical solution for users who want to keep the rear window in better condition and reduce the risk of moisture entering the door interior.

Specifications and technical data

• SKU: A2047354565
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047354565
• Substitutable numbers: A2047354565, A 204 735 45 65
• Location on the vehicle: Rear, Left
• Category: Trim

Purpose and function of the sealing rail

The described rail is designed for the rear left door in Mercedes W204 family models. Its task is to mechanically wipe water, mud, and fine debris from the window surface as it is raised and lowered. This reduces the formation of scratches on the glass and lowers the risk of corrosion inside the door caused by excessive moisture.

This component works with the window lifting mechanism, creating an additional protective barrier between the glass and the door interior. Proper fitment of the rail's shape and length is essential for sealing and the correct operation of the window in the guides.

Benefits of using an original rail for the Mercedes W204

Using a rail dedicated to a specific body model ensures:

• better adhesion to the window edge and door panel,
• stable window operation without excessive play,
• reduction of wind noise in the rear cabin area,
• a more visually consistent look for the side body line.

For the Mercedes W204, the correct rear left door sealing rail helps maintain the factory finish standard and keeps vehicle comfort at an appropriate level. This is particularly important during daily use, frequent window operation, and exposure of the car to rain, snow, and road salt.

Installation and operational characteristics

The rail is designed for installation in a specific body location, which facilitates its correct seating on the door edge. The appropriate working profile ensures proper pressure against the glass, and thus more effective water removal during window movement. When replacing, it is recommended to thoroughly clean the door edge and check the condition of the guides to fully utilize the potential of the newly installed component.

As a part from the Claddings, decorative strips, and trims category, the rail also influences the visual perception of the vehicle – an even line at the window and the absence of gaps in the rubber or plastic improve the overall appearance of the side body section.

Product condition and service application

The offered sealing rail is a used component, making it a reasonable choice for vehicle maintenance when functionality and fitment for a specific model are the priority. This type of part is suitable both for standard repairs following mechanical damage and for the gradual restoration of side body zones when the existing rail shows signs of wear.

If you are planning a comprehensive repair or upgrade of the side door area in your Mercedes and need other components from the same group, such as covers, overlays, or additional strips, check the available parts in the Mercedes Claddings, decorative strips, and trims category.

Additional technical and operational information

During body and door service work, it is also worth paying attention to the general condition of the vehicle, including the engine cooling system, which has a direct impact on the durability of the powertrain. More practical information on this topic can be found in the article Engine cooling system – overheating, repair, and used radiators, where the impact of proper cooling on the operation of various models, including Mercedes cars, is discussed.