Mercedes SLK R172 Convertible Folding Top Hydraulic Cylinder Right Left N/O/S

Mercedes SLK R172 Convertible Folding Top Hydraulic Cylinder Right Left N/O/S is an original component of the soft top opening and closing system, designed for installation in the rear part of the vehicle body. Thanks to its precise construction and fitment for the specific SLK R172 generation, it ensures stable operation of the folding roof mechanism and proper synchronization of the roof panel and arm movement.

Specifications and technical data

• SKU: A1727930120-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728000072
• Substitutable numbers: A1728000072, A 172 800 00 72
• Location on the vehicle: Rear
• Category: Convertible Tops & Parts

Application and function in the folding roof system

The presented cylinder is a component of the hydraulic system responsible for the controlled movement of the folding roof in the Mercedes SLK R172 model. It operates in the rear area of the vehicle, where it is responsible for transferring force from the hydraulic system to the roof mechanism, enabling smooth folding and unfolding of the structure. The use of a dedicated cylinder allows for maintaining proper roof operating geometry, reducing stress on the hinges, and minimizing the risk of jamming during the opening or closing cycle.

Compatibility and fitment for Mercedes SLK R172

The cylinder has been designed specifically for the folding roof system in the Mercedes SLK R172 generation, which means full compatibility with the factory hydraulic system and body structure. The original Mercedes origin translates into compliance with operating pressure parameters, piston stroke, and the operating characteristics of the entire system. As a result, this component can be used both as a replacement for a damaged cylinder on the right or left side, and as part of a broader roof system renovation.

Technical and installation characteristics

The hydraulic folding roof cylinder operates in the rear part of the vehicle, where it is exposed to variable mechanical loads and temperature fluctuations. The design provided by the manufacturer takes these conditions into account, ensuring appropriate body rigidity, system tightness, and resistance to typical operational loads. The component is prepared for installation in place of the factory cylinder, which facilitates service and helps reduce vehicle downtime.

In practice, this means that by following the proper procedure for bleeding and filling the hydraulic system, you can restore efficient operation of the folding roof mechanism without the need for system modifications. The used OEM component is a good choice when you want to maintain the vehicle's original specifications while optimizing repair costs.

Condition, origin, and benefits of choosing a used part

The offered cylinder comes from dismantling and is classified as a used part, which allows for combining an attractive cost with the preservation of the factory design. Unlike universal replacements, the original component from the same model line ensures compliance with the factory settings of the roof system and predictable behavior during operation. This is particularly important in the case of precise mechanisms, such as convertible soft tops and parts related to hydraulics.

Before installation, a standard system check is recommended – verifying the tightness of the lines, the level and quality of the hydraulic fluid, and the correct setting of the limit switches. Such an approach allows you to fully utilize the potential of the offered cylinder and reduce the risk of needing further service intervention in the near future.

How to select the correct cylinder by OEM number

Selecting the appropriate roof cylinder for a specific Mercedes SLK R172 should be based on the OEM number and vehicle data. In practice, the safest method is to compare the markings from the dismantled element with the information in the specification and verify compatibility by VIN number. To facilitate this process, it is worth using the practical tips contained in the article Guide: how to select the right car part by VIN and OEM number, where the method of checking compatibility and a list of questions worth asking the seller are described step by step.

Expanding the roof system repair in Mercedes SLK

If you are planning a comprehensive repair or modernization of the folding roof area in your Mercedes and need other elements from the same group, such as additional cylinders, guides, or roof frame elements, check the available parts in the category Convertible soft tops and parts Mercedes.