Mercedes SLK R172 Roof Drive Hydraulic Cylinder Left Right N/O/S A1728000072

Mercedes SLK R172 Roof Drive Hydraulic Cylinder Left Right N/O/S is a specialized component of the soft top opening and closing system in this series of convertibles. It is responsible for the precise movement of the rear part of the roof structure, ensuring smooth folding and unfolding. This solution is intended for users who want to restore the full functionality of the roof in their SLK by using an original Mercedes brand component in used condition.

Specifications and technical data

• SKU: A1728000072-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728000072
• Substitutable numbers: A1728000072, A 172 800 00 72
• Location on the vehicle: Right, Left
• Category: Convertible Tops & Parts

Purpose and function of the roof cylinder

The offered cylinder operates in the rear part of the soft top mechanism, supporting both the right and left sides, depending on the vehicle configuration. It is the element responsible for the controlled movement of the roof structure, which is crucial for the tightness, safety, and comfort of the convertible. Using a dedicated solution for the SLK R172 series allows for maintaining the correct operating geometry of the entire system.

Compatibility with the soft top system

The cylinder has been designed to work with the factory roof control system in the Mercedes SLK R172, allowing it to integrate with the vehicle's existing hydraulic and mechanical installation. The placement on the vehicle covers the right and left side of the rear roof section, which allows it to be used in various repair configurations – both when replacing a single element and during more extensive work on the roof system.

Benefits of using an original component

Choosing an original roof cylinder for the Mercedes SLK R172 allows you to maintain the operating parameters specified by the vehicle manufacturer. Proper dimensional and structural fit translates into:

• stable operation of the roof folding and unfolding mechanism,
• reduced risk of leaks and improper closing,
• consistency with the factory control and safety system.

Thanks to this, the cylinder is a functional service solution for users who expect predictable roof system performance after repair.

Application in the Convertible soft tops and parts category

The element belongs to the Convertible soft tops and parts group, i.e., components responsible for the operation, guidance, and support of the roof structure in convertible vehicles. Replacing the cylinder is particularly important in situations where problems arise with fully opening or closing the roof, uneven operation of one of the sides, or error messages from the control system.

If you are planning a comprehensive repair or upgrade of the roof area in your Mercedes and need other elements from the same group, such as guides, seals, or additional support mechanisms, check the available parts in the Mercedes convertible soft tops and parts category.

Used condition and service aspects

The offered roof cylinder is in used condition, which is a reasonable compromise between repair costs and maintaining the original vehicle specification. Such components are frequently chosen by professional workshops specializing in convertible maintenance, where both technical fit and repair economics are important. Before installation, standard verification of the roof system is recommended, including checking other mechanical and hydraulic elements to ensure the even operation of the entire system.

More about choosing used parts

If you are considering a broader vehicle upgrade using aftermarket components and want to better understand how to safely select original parts in used condition, it is worth reading the guide: The best used car parts – a guide to the most frequently chosen original parts for popular car makes and models. This will make it easier for you to assess when using a used roof cylinder will be the optimal service solution for your Mercedes SLK R172.