Mercedes W176 Rear Right Door O/S Window Rail Guide Seal Gasket A1767350125

Mercedes W176 Rear Right Door O/S Window Rail Guide Seal Gasket is an original body component from the Door seals group, designed for the rear right side of the vehicle. The precisely fitted guide profile ensures stable window operation and limits the ingress of water and contaminants into the door interior. It is a practical solution for users who value factory-fit quality and predictable window regulator performance.

Specifications and technical data

• SKU: A1767350125
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1767350125
• Substitutable numbers: A1767350125, A 176 735 01 25
• Location on the vehicle: Rear, Right
• Category: Door Seals

Purpose and function of the window rail guide seal

The presented guide seal has been designed specifically for the Mercedes W176 body and is installed in the rear right door. Its task is to guide the window along the correct trajectory, stabilize the glass pane during regulator operation, and reduce play that could cause noise or vibrations while driving.

Thanks to its properly shaped cross-section and fit to the door frame, this component supports the tightness of the window circuit, which translates into better acoustic insulation of the cabin and protection of the door interior against moisture. A properly selected guide seal also helps to relieve the window regulator mechanism, which promotes its longer, stable operation.

Benefits of using an original Mercedes seal

Using an original guide seal in a Mercedes W176 provides a number of practical benefits:

• factory fit to the geometry of the rear right door,
• stable window guidance throughout its entire range of motion,
• reduction of rattles, knocks, and window play while driving,
• support for window circuit tightness and improved acoustic comfort,
• maintenance of structural consistency of the body in accordance with the manufacturer's specifications.

For the user, this means more predictable window mechanism operation and a lower risk of premature wear of moving parts in the door. In the case of post-accident repairs or replacement of worn components, choosing an original guide seal allows you to maintain performance parameters close to factory standards.

Installation characteristics and fitment

The seal is intended for installation in the rear right door area, which facilitates clear identification of the installation location. The design of the component is adapted to the factory mounting points in the Mercedes W176 door, so that after proper seating, it is possible to achieve uniform window pressure along the entire length of the guide.

Before installation, it is recommended to check the condition of the door frame and the window regulator mechanism so that the new seal can work in a stable environment. Replacing this component is particularly advisable in situations where there are symptoms such as increased noise in the window area, noticeable play, difficulty closing, or signs of leaks in the lower part of the door.

Component condition and practical application

The offered window rail guide seal is a used part, which in practice means it comes from disassembly and may show signs of previous use, while maintaining the functionality required for further service. This type of solution is often chosen for economical repairs when the priority is to maintain the original design on a reasonable budget.

If you have any doubts about choosing the right seal for a specific body version or model year, it is worth using the OEM number or interchangeable numbers assigned to this reference. This helps to avoid ordering errors and speeds up the installation process, as the part fits the intended location immediately.

Selection by OEM number and purchase support

To verify the compatibility of the seal with a specific Mercedes vehicle even more precisely, you can use the OEM part number and reference numbers assigned to this model. If necessary, it will also be helpful to compare the shape and length of the guide with the component currently installed in the vehicle.

If you want to organize the process of selecting components by VIN and manufacturer markings, use the practical tips contained in the article Guide: how to choose the right car part by VIN and OEM number, where you will find a step-by-step procedure and a list of questions helpful when contacting the seller.

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 additional perimeter seals, guides, or window frame sealing elements, check the available parts in the Mercedes door seals category.