Mercedes-Benz M-Class ML W164 Rear Right O/S Tailgate Trunk Hinge A1647400637

Mercedes-Benz M-Class ML W164 Rear Right O/S Tailgate Trunk Hinge is an original body component from the Doors and door panels group, designed for the right side of the tailgate. It is a practical solution for users who want to restore the proper operation of the tailgate while maintaining the factory geometry and solid construction characteristic of the Mercedes brand.

Specifications and technical data

• SKU: A1647400637
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647400637
• Substitutable numbers: A1647400637, A 164 740 06 37, ASZ
• Location on the vehicle: Rear, Right
• Category: Doors & Door Skins

Purpose and function in the bodywork

The presented hinge is dedicated to the rear right side of the tailgate in Mercedes M-Class W164 generation models. It is responsible for stable guidance of the tailgate, controlling its movement during opening and closing, and maintaining the correct position relative to the bodywork.

Thanks to the original design, the hinge works with factory mounting points, which facilitates installation and reduces the need for additional bodywork modifications.

Construction and fitment for Mercedes M-Class W164

The component has been designed specifically for the W164 body geometry, which translates into:

• proper fitment with the tailgate and body frame,
• adequate connection rigidity in the rear zone,
• maintenance of body lines after tailgate adjustment.

The original origin from the Mercedes group helps maintain the structural integrity of the entire hinge system, which is important for both user comfort and operational durability.

Condition, service application and installation

The product is offered as a used part, which allows for an economical repair of the tailgate while maintaining the original specification. It is a good solution in situations such as:

• mechanical damage to the hinge as a result of a collision or overloading of the tailgate,
• wear of the component manifesting as sagging or uneven operation of the tailgate,
• the need to restore correct geometry after body repairs.

The hinge is intended for installation in factory mounting points, which facilitates workshop work and shortens service time. With proper installation, it is possible to precisely set the gaps between the tailgate and the body.

Benefits of using an original hinge

Using an original tailgate hinge in the Mercedes M-Class W164 allows you to maintain the integrity of the body structure and predictable behavior of the tailgate during daily use. This is especially important in cars used intensively, where the tailgate is frequently opened and closed.

By choosing this component, you gain compatibility with the factory body system and the ability to restore proper tailgate operation without the need to use replacements with uncertain fitment.

Related Mercedes body components

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 tailgate panels, reinforcements, or door frames, check the available parts in the Mercedes Doors and door panels category.

For drivers interested in a broader approach to maintaining the character of premium brands and using original, used components, we recommend the article Audi and emotions in their purest form – how used parts help maintain the brand's DNA, which shows how properly selected elements influence the preservation of the vehicle's factory properties.