Mercedes W177 Rear Trunk Tailgate Hinge Left N/S Mountain Grey 787 A1777403500

Description

Mercedes W177 Rear Trunk Tailgate Hinge Left N/S Mountain Grey 787 in Mineral Grau Metallic B39 is an original body component from the Trunk lids and rear parts group, designed for installation on the left side of the vehicle’s rear section. It is a practical solution for users who need a proven, used body component that ensures the proper operation of the trunk lid and stable guidance of the tailgate.

Specifications and technical data

• SKU: A1777403500-MG
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777403500
• Substitutable numbers: A1777403500, A 177 740 35 00
• Location on the vehicle: Rear, Left
• Color: Mineral Grau Metallic – B39
• Category: Boot & Hatch Lids

Purpose and function of the component

The presented hinge is dedicated to the rear left side of the body in the Mercedes W177 class model, where it is responsible for the precise guidance and support of the trunk lid. Its construction is designed to handle the loads resulting from opening and closing the lid, maintaining the correct mounting geometry and gaps between body elements.

Thanks to its factory origin, the hinge works with the original mounting points, which facilitates installation and reduces the need for additional modifications. This is particularly important for post-accident repairs and when replacing worn or damaged tailgate suspension components.

Color and paint matching

The element is finished in Mineral Grau Metallic – B39, which allows for better visual matching in vehicles painted in the same shade. In many cases, this enables installation without the need for full repainting, limiting the scope of work to potential minor corrections or polishing, depending on the aesthetic requirements of the specific vehicle.

The metallic paint coating ensures consistency with the factory Mercedes color palette, which is important for maintaining a uniform appearance of the rear body section, especially in vehicles after body and paint repairs.

Installation characteristics

The hinge is intended for installation in the rear zone of the vehicle on the left side, which clearly defines its position in the body layout. This minimizes the risk of errors when selecting parts and speeds up the repair process. The original geometry of the mounts promotes maintaining the correct alignment of the lid relative to the fenders, bumper, and other rear body elements.

The used nature of the component makes it a cost-effective solution while maintaining proper mechanical functionality. It is a good choice both for standard maintenance replacement and for rebuilding the vehicle after damage to the rear section.

Use in repairs and upgrades

This trunk lid hinge will prove useful in:

• post-accident repairs of the rear body section,
• replacing worn or loose tailgate suspension elements,
• renovation projects where maintaining the original Mercedes construction is important,
• restoring the proper closing and guidance of the trunk lid.

By maintaining the factory design specifications, the component allows for the proper operation of the opening and closing mechanism, which translates into the comfort of daily vehicle use.

If you are planning a comprehensive repair or upgrade of the rear body zone in your Mercedes and need other elements from the same group, such as hinges, mounts, or complete trunk lids, check the available parts in the Mercedes Trunk lids and rear parts category.

Why choose a used OEM component

Choosing an original, used trunk lid hinge is a reasonable compromise between cost and quality. The OEM component ensures:

• compliance with the factory body construction,
• proper fit to the lid and mounting points,
• preservation of the lid’s operating geometry as intended by the manufacturer,
• consistency with other elements of the trunk lid suspension system.

Such a solution is particularly beneficial for vehicles where the priority is to maintain the original technical specification and the correct operation of body mechanisms.

If you are considering a broader repair or tuning project using aftermarket components and want to avoid common mistakes when selecting parts, it is worth reading the guide Buying used car parts • Most common mistakes when choosing parts for tuning, which will help you better plan the entire vehicle modernization process.