Mercedes W205 Rear Door Molding Window Seal Right O/S A2057303601

The Mercedes W205 Rear Right Door Window Seal Strip is a precisely fitted component from the Doors and Door Panels group, designed for the rear right body area. It ensures a tight seal for the window and stable sealing of the door edges, contributing to acoustic comfort and protecting the interior from external elements. This is a solution for users expecting factory-fitment and predictable installation.

Specifications and technical data

• SKU: A2057303601
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057303601
• Substitutable numbers: A2057303601, A 205 730 36 01
• Location on the vehicle: Rear, Right
• Category: Doors & Door Skins

Purpose and Function of the Window Seal Strip

The described window seal strip has been specifically designed for the rear right part of the body in Mercedes W205 models. Its function is to guide the window in its track and seal the contact between the glass and the door frame, thereby limiting the ingress of water, dust, and noise into the cabin. Thanks to its proper profile, the element works in conjunction with the window lifting mechanism, ensuring smooth movement without unnecessary resistance or vibrations.

Its placement in the Rear, Right area makes the strip crucial for maintaining the integrity of the vehicle's side profile and for the correct closing of the rear passenger door. A properly selected seal minimizes the risk of rattling, leaks, and unwanted noises during driving.

Construction, Fitment, and Installation

The door window strip has been manufactured as a dedicated element for the specific door geometry of the Mercedes, ensuring precise fit to the frame and factory-like window guidance. The seal's profile is shaped to work with the glass edge and the door panel's contours, without the need for additional adjustments or cutting.

This solution allows for installation in place of the original strip, utilizing existing mounting points. In practice, this means that once the element is correctly seated, the window should move in its track without sticking, and the line of contact with the bodywork will remain visually and functionally consistent.

Condition of the Part and Benefits of Using a Used Part

The offered window seal strip is a used part, allowing for a reasonable cost while maintaining original geometry and compatibility. A component of this type, if its elasticity and structure are preserved, still provides effective sealing and proper window guidance.

Using an original part from the aftermarket is particularly beneficial where maintaining the factory door fit, reducing road noise and wind noise, and ensuring the correct pressure of the window against the peripheral seals are important.

Application in the Doors and Door Panels System

As a component from the Doors and Door Panels category, this window seal strip works with the door panel, frame, window lifting mechanism, and other peripheral seals. Replacing a worn or deformed strip is recommended in situations where:

• Increased wind noise occurs at higher speeds,
• Traces of water or moisture are present around the rear right window,
• There are difficulties with smooth lowering or raising of the window,
• There are play or deformations on the guide edge.

Selecting a part dedicated to a specific Mercedes model reduces the risk of problems with door closing, improper window seating, and accelerated wear of the lifting mechanism.

How to Correctly Select and Verify Compatibility

To ensure the window seal strip will work correctly with your car, pay attention to the manufacturer's markings, its placement on the vehicle, and compatibility with the body version. Verifying this information helps avoid installation problems and ensures the part will operate within the manufacturer's intended parameters.

If you wish to deepen your knowledge on selecting aftermarket parts and avoid purchasing mistakes, consult the expert advice described in the article: professional selection of used car parts. You will find practical tips there on checking compatibility and OEM markings.

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