Mercedes W212 Window Strip Door Trim Moulding Rear Right O/S Black A2127350265

Mercedes W212 Window Strip Door Trim Moulding Rear Right O/S Black is a precision-fitted body component, designed specifically for the rear right side of the vehicle. It is responsible for effective water drainage from the window and stable sealing of the window edge, which translates into better protection of the interior against moisture and noise. Thanks to its factory origin from the Mercedes brand, the correct geometry and compatibility with the door structure are maintained.

Specifications and technical data

• SKU: A2127350265
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2127350265
• Substitutable numbers: A2127350265, A 212 735 02 65
• Location on the vehicle: Rear, Right
• Category: Door Seals

Purpose and function of the component

The described window strip is dedicated to the rear right part of the body in W212 series models. Its task is to create a tight yet flexible edge between the glass and the door panel. The properly profiled working rubber limits the ingress of water, dirt, and small debris into the door interior, which supports the durability of the window lifting mechanisms and improves the acoustic comfort of the cabin.

The black color of the strip allows for consistent matching with the factory window frame finish, without interfering with the body styling. This element is particularly important in vehicles operated in variable weather conditions, where proper water drainage from the glass surface has a direct impact on visibility and interior protection.

Construction and body fitment

The strip has been designed as a component from the Door seals group, taking into account the specific geometry of the rear right window in the W212 body. The profile shape and mounting points are adapted to factory holes and guides, which enables installation without structural modifications. The rigid support part ensures stable seating on the door edge, while the flexible wiping part works with the movement of the glass, maintaining constant pressure.

Such a solution reduces the risk of looseness, rattling, or unwanted vibrations while driving. Proper fitment of the strip is also important for protecting the paint in the window frame area – a properly functioning seal minimizes friction and contact of contaminants with the glass and paint surface.

Performance characteristics and installation

The element intended for the rear right side of the vehicle is structurally prepared to work within the typical ranges of window movement in the rear doors. In practice, this means:

• stable guidance of the glass edge during raising and lowering,
• reduction of air drafts in the upper door area,
• better protection of the door interior against water flowing down the glass.

As a part originating from the vehicle, the strip retains the original mounting points, which facilitates service installation. With a properly prepared door edge (cleaned of dirt and old seal residue), the installation proceeds smoothly and allows for restoring the factory sealing parameters in the rear body zone.

Application in service and restoration of Mercedes W212

Replacement of the window strip is recommended in case of leaks, excessive noise in the window area, traces of water on the door upholstery, or visible wear of the working rubber. Using an original component from the Door seals group allows for restoring the correct operation of the window mechanism and reducing the risk of corrosion inside the door.

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as additional edge seals, window strips for other sides, or window frame seals, check the available parts in the Mercedes door seals category.

Compatibility verification by numbers and part selection

When selecting a window strip for a specific W212 body version, it is crucial to check compatibility by part numbers and placement on the vehicle (rear, right side). This allows avoiding installation problems and ensures proper adhesion to the glass and door panel.

If you want to organize the process of selecting body and glass components by manufacturer numbers, it is worth using practical tips on verifying markings. A detailed discussion of this topic can be found in the guide Shopping for parts online without risk – 5 proven ways to verify component compatibility by OEM numbers and paint codes, which describes, among other things, methods for selecting parts for Mercedes cars.