Mercedes W205 Sealing Rail Door Strip Rear Right O/S A2057350465

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W205 Sealing Rail Door Strip Rear Right O/S is a precision body component from the Doors and door panels category, responsible for effective water drainage from the window and protection of the door interior. A properly selected sealing rail limits moisture ingress, reduces the risk of corrosion, and improves the operation of the window lifting mechanism in your Mercedes.

Specifications and technical data

• SKU: A2057350465
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057350465
• Substitutable numbers: A2057350465, A 205 735 04 65
• Location on the vehicle: Rear, Right
• Category: Doors & Door Skins

Purpose and body fitment

The presented sealing rail is designed for installation on the rear right door in W205 series models, ensuring a proper fit to the shape of the window and the door profile. Its placement on the vehicle in the rear passenger-side area allows for maintaining a consistent body line and correct window operation in this specific area.

The original Mercedes origin means maintaining factory dimensional tolerances, proper pressure against the glass, and compatibility with factory door mounts. Thanks to this, the installation proceeds in a predictable manner, without the need for modifications or forcing the component into place.

Technical function of the sealing rail

The sealing rail performs several key operational functions:

• controls water runoff along the window, limiting its ingress into the door interior,
• stabilizes the window in the guide, reducing vibrations while driving,
• creates an additional barrier against contaminants, which promotes a longer service life for the window lifting mechanism,
• influences acoustic comfort by reducing air noise in the window edge area.

A well-chosen sealing rail translates into more predictable window operation, less load on the window motor, and a stable seal in the contact zone between the window and the door panel.

Characteristics of the used component

The offered item comes from disassembly and has a used status, which in practice means it retains its original geometry and factory mounting method while offering an attractive price compared to new parts. This type of component is a particularly beneficial choice for post-accident repairs or restoring full door functionality after mechanical damage to the rail.

Choosing a sealing rail from the secondary market allows for maintaining visual consistency with other body elements while reducing service costs, which is important for comprehensive body and paint work.

Benefits of using an original rail in the Mercedes W205

Using a dedicated sealing rail in the rear right door of the W205 brings measurable operational benefits:

• stable sealing in the window zone, which limits moisture in the door interior and upholstery,
• better protection against corrosion of internal door components,
• preservation of the factory body line and window edge aesthetics,
• proper cooperation with the window lifting mechanism, without additional resistance.

For workshops and individual users, this means faster installation, lower risk of complaints, and predictable behavior of the component in the long term.

Expanding work within the Mercedes door area

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

If you are simultaneously upgrading passenger cabin comfort and considering replacing seats with more ergonomic ones, it is worth checking out the guide on selecting seats from the secondary market – you will find practical tips in the article Interior metamorphosis: how branded seats from disassembly improve comfort and car value.