Mercedes SLK R172 Door Window Seal Gasket Rubber Inner Right O/S A1727200424

Mercedes SLK R172 Door Window Seal Gasket Rubber Inner Right O/S is a precise, original body component designed specifically for the driver or passenger side door, depending on the market. Thanks to its perfect fit for this specific model, it ensures stable window operation, reduced cabin noise, and protection against moisture, which directly impacts the comfort of using the SLK roadster.

Specifications and technical data

• SKU: A1727200424
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1727200424
• Substitutable numbers: A1727200424, A 172 720 04 24
• Location on the vehicle: Right
• Category: Window Seals, Gaskets & Trims

Purpose and function in the Mercedes SLK R172

The presented Mercedes SLK R172 Door Window Seal Gasket Rubber Inner Right O/S is a part from the Window seals and moldings category, dedicated to the Mercedes SLK R172 generation body. Mounted on the right side of the vehicle, it works in direct contact with the door window, stabilizing its movement in the guide and preventing water and contaminants from entering the door interior.

The properly selected rubber profile and molding shape allow for:

• reduction of wind noise at higher speeds,
• reduction of window vibrations when driving on uneven surfaces,
• protection of the window lifting mechanism against moisture.

Benefits of using an original window seal

Using the correct seal in a Mercedes SLK R172 is important not only for aesthetic reasons but primarily for functional ones. A properly fitted component:

• ensures proper adhesion of the window to the door frame, which affects cabin tightness,
• reduces the risk of interior window fogging by improving moisture drainage,
• protects the inside of the door against corrosion resulting from prolonged contact with water.

In the case of a roadster, where the door and window line are highly exposed, the right seal helps maintain stable window operation during frequent roof opening and closing, which translates into more predictable window closing and less strain on the lifting mechanism.

Characteristics of the used component

The offered seal is a used component, which in practice means the possibility of an economical repair while maintaining the original geometry and fit to the door. This type of component, sourced from dismantling, often allows for restoring proper window operation in situations where the existing seal is brittle, deformed, or mechanically damaged.

For workshops and individual users, this means:

• lower repair costs compared to a new part,
• preservation of factory fitment with the door frame,
• possibility of quick replacement without the need for modifications.

Selection and installation in the right door area

The seal is intended for installation on the right side of the vehicle, so when selecting, it is worth paying attention to compatibility with the body version and the installation side. A correctly selected component facilitates installation and minimizes the risk of leaks. In practice, the replacement involves removing the old molding, cleaning the door edge, and seating the new seal in the factory-provided mounting points.

Such an approach allows for restoring proper window operation without interfering with the door structure, which is particularly important in premium class cars, where both acoustic comfort and the aesthetics of the side body line matter.

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

For those interested in broader use of dismantled parts in vehicle upgrade projects, including visual and mechanical tuning, an article describing the practical applications of such components may be helpful – you can find it here: cheap visual and mechanical tuning using dismantled parts.