Mercedes R171 Hard Top Hinge Cover Panel Flap Left N/S 112009702

Mercedes R171 Left Rear Hinge Cover is a precise body component from the Convertible Roofs, Cars and Parts group, designed to protect and aesthetically finish the rear left hinge of the roof mechanism. This used, original cover ensures proper hinge operation, protects it from dirt, and enhances the visual cohesion of the roof area.

Specifications and technical data

• SKU: A1717901935
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1717901935
• Substitutable numbers: A1717901935, A 171 790 19 35, 112009702, 1 120 097 02
• Location on the vehicle: Left
• Category: Hardtops, Roof Panels & Parts

Purpose and Technical Function

The hinge cover in R171 models is responsible for shielding the moving parts of the roof mechanism in the rear left section of the vehicle. A correctly selected component:

• stabilizes the operating area of the convertible roof hinge,
• limits the ingress of dirt and moisture to moving parts,
• improves the visual finish of the rear body section.

Thanks to its dedicated placement on the left side of the vehicle, the cover maintains the correct geometry relative to other roof mechanism components, which contributes to the proper functioning of the entire system.

Compatibility and Fitment

This part is designed as an original component for Mercedes vehicles, ensuring factory fitment to the convertible roof structure. Proper placement on the left side of the vehicle minimizes the risk of installation issues and eliminates the need for modifications.

Manufacturer markings, including the OEM part number and interchangeable numbers, allow for unambiguous identification of the cover and verification of its compatibility with the specific body configuration. This is particularly important when servicing the roof mechanism, where dimensional tolerances and component shapes directly impact the system's operational smoothness.

Characteristics of a Used Part

The hinge cover is offered as a used part, representing a sensible compromise between cost and maintaining the original manufacturer's specifications. In practice, this means:

• retention of factory geometry and mounting points,
• no need for adaptation or fitting of aftermarket alternatives,
• economical repair of the roof mechanism while preserving the original design.

For many Mercedes convertible owners, choosing a used OEM part is a way to maintain the vehicle's technical consistency at a controlled service cost.

Application in Convertible Roof Service

Replacing the hinge cover is recommended when the existing part has cracked, deformed, or been damaged during roof mechanism operation. A correctly fitted cover:

• reduces the risk of jams and collisions between moving roof parts,
• helps maintain proper routing of wiring harnesses and auxiliary elements in the hinge area,
• supports the aesthetic appearance of the rear body section when the roof is lowered or raised.

By using an original component, roof service can be performed predictably, in accordance with the manufacturer's design intentions.

Related Parts and Technical Knowledge

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 covers, guides, or additional panels, check the available parts in the category Mercedes Convertible Roofs, Cars and Parts.

When planning body and roof repairs, it is also worth considering cost optimization for service in other areas of the vehicle. In the context of powertrains and repair economics, an article comparing popular Volkswagen engines might be helpful – Volkswagen 1.9 TDI vs 1.4 TSI – Evolution of VW Engines and Repair Costs, which shows how to consciously select used components during servicing.

If you are considering whether a used part or an aftermarket replacement is a better choice for body and roof mechanism components, you will find practical tips in the guide 5 Reasons Why a Used OEM Part is a Better Choice Than an Aftermarket Replacement, which will help you make a decision for further service work.