Mercedes A207 Convertible Folding Top Roof Hydraulic Cylinder Set A2078000072

The Mercedes W207 Cabrio Convertible Top Actuator Set is an original component for the opening and closing system of the W207 series convertible top, designed for installation on both the right and left sides of the vehicle. The set ensures the proper functioning of the convertible top mechanism, stable structural guidance, and secure closure. This solution is for users who expect consistent operation of the entire roof system while maintaining factory specifications.

Specifications and technical data

• SKU: A2078000072-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2078000072
• Substitutable numbers: A2078000072, A 207 800 00 72
• Location on the vehicle: Right, Left
• Category: Tappets & Lifters

Purpose and Function in the Roof System

The presented actuator set is responsible for the controlled folding and unfolding of the roof in the W207 Cabrio model, working in conjunction with other hydraulic and mechanical components. Properly selected actuators limit structural overload, stabilize the movement of the roof cover, and support precise positioning of the roof relative to the body.

Installation on both sides of the vehicle allows for even force distribution, which translates to smooth operation of the entire mechanism and reduces the risk of misalignment or jamming during the opening and closing cycle.

Benefits of Using an Original Set

Using a complete actuator set dedicated to the W207 Cabrio ensures:

• maintenance of the roof's factory motion kinematics,
• better cooperation with the existing hydraulic system and control unit,
• consistent operating parameters on the right and left sides of the vehicle,
• reduced risk of leaks and improper closure.

For users who wish to maintain their vehicle in a configuration close to the factory original, choosing an original solution is particularly beneficial in terms of durability and predictable performance.

Condition, Installation, and Technical Aspects

The set is a used part intended for reinstallation in the vehicle, in the structurally designated locations on both the right and left sides. These types of components require precise seating in the mounting points, as well as proper bleeding and connection to the existing system. Therefore, installation by a workshop experienced with convertible tops is recommended.

When planning repairs, it is advisable to pay attention to compatibility with other roof system components and compliance with the parameters specified by the vehicle manufacturer. This allows for the restoration of correct mechanism operation without the need for bodywork modifications.

Why Choose Original Components

Components from the same model line are designed to work with the vehicle's factory electronics, hydraulics, and mechanics. In practice, this means better fit, predictable behavior across the full range of roof operation, and a lower risk of operational issues compared to randomly chosen aftermarket parts.

If you are also considering other repairs within the vehicle's technical systems and want to better understand the advantages of using used OEM parts, you might find our blog article helpful: EGR – How it Works and When to Choose a Used OEM Valve. There you will find a more detailed discussion on the approach to regenerating and replacing components based on original parts.

If you are planning a comprehensive repair or upgrade of mechanical systems in your car and are looking for other parts in this category, please visit our Valve Lifters{data-blogs=category} category to select compatible parts that meet the manufacturer's specifications.