Mercedes W177 Saloon Trunk Tailgate Hinge Right O/S Polar White 149 A1777500800

Mercedes W177 Saloon Trunk Tailgate Hinge Right O/S Polar White is an original body component designed for the A-Class sedan, ensuring precise guidance and stable support for the tailgate. Thanks to the factory finish in the Polar White 149 shade, it allows for an aesthetic replacement of a damaged hinge without the need for additional painting of the entire part. This used component from the Trunk lids and rear parts range allows for an economical, yet technically correct repair of the rear body section.

Specifications and technical data

• SKU: A1777500800-POL
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777500800
• Substitutable numbers: A1777500800, A 177 750 08 00, KD
• Location on the vehicle: Right
• Color: Polar White - 149
• Category: Boot & Hatch Lids

Purpose and function of the component

The presented hinge is designed for installation on the right side of the trunk lid in the W177 series saloon (sedan) body. It is responsible for the smooth opening and closing of the tailgate, maintaining it in the correct position, and ensuring proper alignment relative to the body. A correctly selected hinge reduces stress on the bodywork, minimizes the risk of the lid becoming misaligned, and supports even load distribution during actuator operation.

Color and visual matching

The factory color Polar White - 149 allows for consistent matching with the original Mercedes paint palette, which is particularly important for post-accident repairs and spot replacements. Using a component in the correct shade:

• reduces the need for full painting of the tailgate,
• facilitates maintaining a uniform color line of the body,
• speeds up the assembly and final finishing process.

Installation characteristics

The Mercedes W177 Saloon Trunk Tailgate Hinge Right O/S Polar White has been designed as a structural element that works with the factory mounting points on the body and the tailgate. The appropriate arm geometry and the arrangement of mounting holes allow for precise adjustment of the gaps between the tailgate and the fenders and bumper. Proper hinge adjustment:

• ensures the tailgate closes correctly without excessive force,
• minimizes the risk of edges rubbing against adjacent elements,
• allows for maintaining factory lines and body fitment.

Benefits of using an original used component

Choosing an original, used hinge from the Trunk lids and rear parts group is a solution that combines cost control with maintaining a structure consistent with the manufacturer's design. Such a component:

• maintains the factory rigidity of the connection between the tailgate and the body,
• is matched to the opening and closing system used in the W177,
• allows for repairs in accordance with Mercedes service technology.

Thanks to this, it is possible to effectively restore the functionality of the tailgate after a collision, corrosion, or mechanical wear, without the need to use replacements with uncertain geometry.

Application in the body repair process

The right trunk tailgate hinge will prove useful both in professional body and paint shops and in workshops specializing in post-accident repairs of premium cars. It is suitable for:

• replacing a damaged hinge after an impact to the rear of the vehicle,
• straightening and adjusting the tailgate after bodywork repairs,
• comprehensive renovation of the rear body zone in a Mercedes W177.

Using components consistent with the manufacturer's design facilitates adjustment, shortens fitting time, and allows for a predictable final result.

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

If you are interested in a broader approach to vehicle customization and want to combine body repairs with improving cabin ergonomics, it is worth checking out the guide on interior modifications – you will find practical tips in the article Car interior tuning with Global Parts.