Mercedes A205 A238 Folding Top Left Right N/O/S Roof Mechanism Arm Hinge Set

The Mercedes A205 / A238 Convertible Roof Mechanism Hinge and Arm Set is an original component of the soft top opening system, designed for both the left and right sides. This set is a precision structural component responsible for the smooth operation, stable support, and correct working geometry of the convertible top cover.

Specifications and technical data

• SKU: A2387701700-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2387701700
• Substitutable numbers: A2387701700, A 238 770 17 00
• Location on the vehicle: Right, Left
• Category: Convertible Tops & Parts

Application and Function in the Convertible Roof System

The roof arm and hinge mechanism in a Mercedes convertible is responsible for the controlled folding and unfolding of the soft top, maintaining the correct position of the cover, and transferring loads during driving. The presented set operates on both the right and left sides of the body, ensuring symmetrical guidance of the roof structure and stability of the entire system.

Thanks to its factory geometry and precise fit for the specific A-Class convertible body platform, this component ensures correct roof movement kinematics, minimizes stress on the fabric and seals, and reduces the risk of jams or misalignment during mechanism operation.

Set Construction and Benefits of Installation

The convertible roof mechanism hinge and arm set is designed as an original Mercedes part, which translates to compatibility with factory mounting points, appropriate rigidity, and predictable performance throughout its entire operating range. Using a dedicated set on both sides of the vehicle maintains structural consistency and reduces the need for additional assembly modifications.

Choosing an original, used part from this group is a cost-effective solution that is also technically safe – you retain the factory roof operating characteristics, avoiding problems typical of ill-fitting aftermarket parts. This is particularly important for complex kinematic systems where manufacturing precision and dimensional accuracy directly impact the durability of the entire system.

Installation Side and Body Fitment

The presented set is intended for installation on both the right and left sides of the vehicle, facilitating comprehensive roof system servicing – whether for a single-sided repair or a more extensive mechanism renovation. Maintaining the correct placement of components on both sides of the body allows for even distribution of forces during roof opening and closing, leading to more predictable and repeatable operation of the entire system.

Thanks to its construction that aligns with the factory design of the convertible body, installation can be performed using original mounting points, without the need to interfere with the body structure or modify the cover guides and mounts.

Condition, Verification, and Operational Safety

This component comes from the used original parts segment, meaning it retains the manufacturer's factory specifications while optimizing repair costs. For critical components like the convertible roof mechanism, using an original design significantly reduces the risk of improper operation, excessive play, or accelerated wear of cooperating parts.

Before installation, a standard inspection of pivot points, operating clearances, and proper interaction with the roof actuators and guides is recommended to ensure safe operation across the full range of the cover's movement.

Repair Extension and Selection of Other Components

If you are planning a comprehensive repair or upgrade of the convertible roof area in your Mercedes and need other parts from the same group, such as guides, brackets, or additional structural elements, check the available parts in the category Convertible Soft Tops and Mercedes Parts.

When planning a larger scope of work on your convertible, it's worth approaching the subject holistically – from the roof mechanics, through seals, to body and interior components. An article explaining how to effectively assemble original used components in one place and avoid problems with cheap aftermarket alternatives is available here: Comprehensive Sourcing: From Engine to Smallest Clip – How to Assemble Used Car Parts in One Place?