Window Strip Mercedes W212 Door Trim Moulding Rear Left N/S Black A2127350165

Visual condition of the part

The product shows signs of use visible in the photos.

Window Strip Mercedes W212 Door Trim Moulding Rear Left N/S Black is an original body component from the Door seals group, designed for installation in the rear left section of the vehicle body. The black finish of the moulding provides an aesthetic transition between the window and the door panel, improving the visual consistency of the car's side profile and limiting the ingress of dirt and moisture around the window area.

Specifications and technical data

• SKU: A2127350165
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2127350165
• Substitutable numbers: A2127350165, A 212 735 01 65, BG
• Location on the vehicle: Rear, Left
• Color: Chrome
• Category: Door Seals

Purpose and function of the component

The moulding is installed in the area of the rear left door window, where it serves a finishing and sealing role. Thanks to its tailored geometry, it works in conjunction with the window guide and perimeter seals, stabilizing the edge of the glass during opening and closing. Precise fitment to the door reduces wind noise and improves acoustic comfort inside the vehicle.

The black surface of the moulding creates a characteristic side line typical of Mercedes models, which is important for both aesthetic and practical reasons – the smooth, durable coating is easy to clean and resistant to typical road grime.

Construction and finish

The moulding features a profile adapted to the shape of the W212 body, with an appropriately formed edge that adheres to the window. The Black color gives the component an elegant, factory-original look that blends well with other body details, such as window frames or door sill trims. The design is intended to work with factory mounting points, which facilitates installation and ensures a stable fit.

This solution allows for maintaining the stylistic consistency of the entire side of the body, especially in vehicles where other window mouldings also feature a black finish. As a result, replacing a single component does not disrupt the overall aesthetics of the vehicle.

Benefits of using the original moulding

• Factory fitment – a component designed specifically for the W212 body, which translates into proper adhesion to the window and door panel.
• Visual consistency – the black moulding maintains a uniform look of the window line, which is important during local body repairs.
• Support for window sealing – a correctly installed moulding works with the door seals, helping to limit the ingress of water and dirt into the area of the window lifting mechanism.
• Easier renovation of the side body section – replacing a worn or damaged moulding allows for restoring aesthetics and functionality without the need to interfere with other door components.

Application in service practice

The component is suitable for post-accident repairs, replacing corroded or mechanically damaged mouldings, as well as for body renovation work when the goal is to restore the factory look of the side window line. Precise shape reproduction facilitates the work of body shop technicians and painters, minimizing the need for additional adjustments.

In the case of visual vehicle upgrades, the moulding can be used to unify the look of all side windows, especially when other elements have already been replaced with black-finished versions.

Selection of other Mercedes body components

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

Additional technical information and tips

When replacing the moulding, it is worth paying attention to the condition of the adjacent seals and window guides – their wear can affect the sealing efficiency and the operation of the lifting mechanism. In the case of interior or steering system upgrades, guide materials such as the article Personalization and ergonomics – when is it worth replacing the steering wheel with a premium model?, which discusses aspects of selecting equipment for comfort and functionality, may also be helpful.