Mercedes SLK R172 Roadster Side Window Rear Right Strut Support A1726390243

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes SLK R172 Roadster Side Window Rear Right Strut Support is a precision structural component from the Holders, mounts and mounting parts group, designed specifically for the rear right body section. It is responsible for the stable guidance of the side window and proper load distribution in the roadster's roof area, which translates into user comfort and the correct operation of the window mechanism.

Specifications and technical data

• SKU: A1726390243
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1726390243
• Substitutable numbers: A1726390243, A 172 639 02 43
• Location on the vehicle: Rear, Right
• Category: Mounts, Brackets & Hardware

Purpose and function of the component

The rear right side window strut support in the Mercedes SLK R172 Roadster operates in the rear part of the body on the passenger side. Its task is to maintain the correct window guidance geometry, stabilize the glass pane during raising and lowering, and support the structure in the area of the window mechanism. Thanks to this, the window moves smoothly, without excessive play or unwanted vibrations.

The component belongs to the Holders, mounts and mounting parts group, which means it works with other mounting components within the rear body section. A correctly selected and installed support reduces the risk of window misalignment, leaks, and accelerated wear of guides and seals.

Benefits of using the original strut support

Using a dedicated strut support in the Mercedes SLK R172 Roadster ensures:

• proper fit to the rear right side of the vehicle without the need for modifications,
• stable guidance of the side window throughout its full range of operation,
• preservation of the correct body geometry in the window area,
• reduction of noise and vibrations transmitted by the window while driving.

A component from this structural group is particularly important in roadsters, where the precision of window and roof fitment has a direct impact on acoustic comfort and the durability of folding mechanisms and seals.

Assembly and operational characteristics

The rear right side window strut support is designed to operate in the rear zone of the vehicle, on the passenger side, which facilitates clear identification of the mounting location. As a structural element from the mounting group, it works with the factory body connection points and the window mechanism, creating a coherent load-bearing system.

A solution of this type allows for:

• maintaining a repeatable window position relative to the seals,
• reducing the loads acting on the lifting mechanism,
• more even distribution of forces in the structure of the side body section.

Thanks to this, the window system in the Mercedes SLK R172 Roadster maintains stable operating parameters even after a long period of use.

Part selection and vehicle compatibility

To correctly select the rear right side window strut support for a specific Mercedes SLK R172 Roadster, it is worth verifying compatibility with the manufacturer's markings and the location in the vehicle. The product belongs to the Mercedes brand and is a component intended for the rear right side, which minimizes the risk of errors during ordering and installation.

If you are planning a comprehensive repair or upgrade of the rear body section in your Mercedes and need other elements from the same group, such as additional mounts, brackets, or mounting holders, check the available parts in the Holders, mounts and mounting parts Mercedes category.

Why consider a used mounting component

Choosing a used side window strut support is a solution that allows you to combine cost control with maintaining the proper functionality of the window system. A component of this type, sourced from dismantling, retains its factory geometry and mounting method, which is crucial for proper cooperation with the window mechanism and body structure.

If you want to better understand how to optimally use the second-hand parts market and how to approach the selection of used components in an informed way, the guide on our blog may be helpful: Smart servicing of Skoda – why second-hand parts are the best choice for your wallet. Although the description concerns a different brand, it presents universal principles that you can also apply when maintaining your Mercedes.