Mercedes W206 Door Window Seal Trim Strip Channel Front Left N/S A2067256300

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W206 Door Window Seal Trim Strip Channel Front Left N/S is a precision body component from the Window seals and trim strips category, specifically designed for installation in the front left door. It is responsible for stable window guidance within the channel, reducing wind noise, and protecting the interior of the door from moisture. Thanks to its factory-fit design, it serves as a practical solution for repairs and renovations of the side body area in the W206 generation Mercedes C-Class.

Specifications and technical data

• SKU: A2067256300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2067256300
• Substitutable numbers: A2067256300, A 206 725 63 00
• Location on the vehicle: Front, Left
• Category: Window Seals, Gaskets & Trims

Purpose and function in the vehicle

The presented trim strip/seal is intended for installation in the front left door of the vehicle, where it acts as a guide channel for the window. The properly profiled cross-section ensures correct positioning of the glass within the door frame, which translates into smooth operation of the window lifting and lowering mechanism.

This component is crucial for:

• limiting window vibration and play while driving,
• reducing cabin noise originating from the door area,
• sealing the space between the glass and the door frame,
• protecting the door interior from excessive water and dirt ingress.

Benefits of using an original guide seal

Using an original window guide seal in a Mercedes W206 allows for maintaining the factory performance parameters of the window mechanism. The precise fit of the shape and material flexibility to the door structure translates into:

• stable window guidance throughout the entire range of motion, without jamming or skipping,
• more uniform pressure of the glass against the frame, which supports acoustic sealing,
• reduced risk of premature wear of the window regulator mechanism,
• maintaining a consistent visual line of the window edge and door.

For the user, this means higher driving comfort, lower noise levels, and more predictable operation of the window controls on the driver's side or front passenger side, depending on the body version.

Installation characteristics and service application

The front left door window guide seal for the Mercedes W206 has been designed as a component dedicated to a specific model and side of the vehicle. As a result, installation is straightforward, maintaining factory mounting and routing points. In practice, this means:

• easier fitment to the shape of the door frame without the need for modifications,
• correct positioning in the corners and curves of the frame,
• suitability for use in accident repairs and when replacing worn seals,
• consistency with other door trim elements in the Mercedes.

This type of component is particularly useful for eliminating issues such as increased noise from the window area, difficulties with closing the window, or leaks appearing in the upper part of the door.

Condition and practical service application

The offered window guide seal is a removed part intended for reinstallation in a vehicle. This type of solution is often chosen by professional workshops and informed users who are looking for factory-fitted components on a reasonable budget. Compared to aftermarket replacements with a universal profile, the original element from this group allows for better restoration of the original functional properties of the door.

If you are planning a comprehensive repair or upgrade of the window area in your Mercedes and need other elements from the same group, such as additional guide seals, trim strips, or window frame seals, check the available parts in the Mercedes Window seals and trim strips category.

Additional technical support

When working on the body and driving comfort, it is also worth paying attention to the condition of the suspension, which has a direct impact on the transmission of vibrations to the body and the door area. If you want to better understand how to optimally approach repairs in this area while controlling service costs, check out our guide: Suspension knocking? Discover a clever way to restore factory handling precision without spending a fortune at the service center.