Mercedes GL X166 Window Rail Sealing Strip Trim Rear Left N/S A1667300324

Mercedes GL X166 Window Rail Sealing Strip Trim Rear Left N/S is an original body component from the Window seals and trims category, designed for the rear left side of the vehicle. The black color of the trim ensures a consistent aesthetic with the factory finish, while the precise geometry provides proper guidance and pressure for the window seal or glazing. This is a practical solution for users looking to restore the correct sealing and stability of the side bodywork in their Mercedes GL X166.

Specifications and technical data

• SKU: A1667300324
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667300324
• Substitutable numbers: A1667300324, A 166 730 03 24
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Window Seals, Gaskets & Trims

Purpose and function of the component

The presented window rail sealing strip operates in the rear left area of the body, where it is responsible for stable guidance of the seal and its even pressure against the surface of the glass or frame. As a result, it limits the ingress of water, dust, and noise into the cabin, and supports the proper operation of mechanisms related to opening and closing the window or side flap.

The component has been designed specifically for the GL X166 body type, which means it maintains the correct geometry, mounting points, and profile shape. Factory fitment facilitates installation and helps avoid issues with leaks that often occur when using universal aftermarket alternatives.

Construction, color, and fitment

The trim is finished in black, which is consistent with the typical factory finish for this model. This color scheme allows for an aesthetic integration of the component into the side line of the body, without the need for additional painting or visual modifications. The black profile effectively masks any operational dirt and maintains a neutral appearance when paired with various body paint colors.

The placement on the vehicle is clearly defined as the rear left side, which minimizes the risk of error when selecting the part. In practice, this means the trim is prepared to work with the factory mounting points in this specific body area, without the need for modifications or forced adjustments.

Benefits of using an original trim

Using an original window rail sealing strip in a Mercedes GL X166 provides a number of practical benefits:

• maintaining the proper seal of the rear left side of the body,
• stable guidance of the seal and reduction of its excessive wear,
• preservation of the factory line and fitment of side components,
• reduction of the risk of wind noise at higher speeds,
• easier installation thanks to a design consistent with the original project.

This solution is particularly recommended for post-accident repairs, replacing corroded or damaged body components, and for comprehensive restoration of the vehicle's side area, where maintaining factory sealing and acoustic parameters is essential.

Characteristics of the used product

The offered trim comes from the used parts segment, which allows for an economical repair while maintaining the manufacturer's original specifications. Such components are frequently chosen by workshops and individual users who are looking for a reasonable compromise between repair costs and fitment quality. Original origin promotes the preservation of proper geometry and compatibility with other side body components.

Before installation, it is recommended to perform a standard inspection of the working surfaces and mounting points, as well as to compare the shape with the removed element. This approach facilitates quick service work and limits the risk of needing to re-adjust the seal.

Selection and expansion of the repair scope

When selecting a trim for a specific Mercedes GL X166, it is worth paying attention to compatibility with the body version and the side of installation. Manufacturer markings and technical parameters assigned to the product, such as brand, placement on the vehicle, or color, can be helpful in identifying the correct component in catalogs and service systems.

If you are planning a comprehensive repair or modernization of the window and side glazing area in your Mercedes and need other elements from the same group, such as guides, additional trims, or sealing profiles, check the available parts in the Mercedes window seals and trims category.

For users interested in a broader approach to drivetrain modernization and adjusting driving characteristics to personal preferences, the following guide article describing the selection of gear ratios and drive axle components may be helpful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style.