Tailgate Lock Mercedes ML W164 W251 Rear Trunk Latch Mechanism Catch A1647400335

Tailgate Lock Mercedes ML W164 W251 Rear Trunk Latch Mechanism Catch is an original component from the Locks and Latches group, designed for installation in the rear part of the vehicle body. It ensures secure locking of the tailgate, stable operation of the mechanism, and proper integration with the vehicle's electrical system. This is a solution for users who expect a proven design and a precise fit for their Mercedes bodywork.

Specifications and technical data

• SKU: A1647400300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647400300
• Substitutable numbers: A1647400300, A 164 740 03 00, A1647400335, A 164 740 03 35
• Location on the vehicle: Rear
• Category: Exterior Locks & Lock Hardware

Purpose and function of the tailgate lock

The tailgate lock in Mercedes ML W164 and W251 models is responsible for securely closing the rear hatch, keeping it in a stable position, and ensuring proper interaction with the opening mechanism. The component is mounted in the rear body area, where it withstands the loads resulting from frequent opening and closing of the trunk.

A functional lock reduces the risk of the tailgate opening accidentally while driving, eliminates play and unwanted noises, and contributes to the comfort of daily vehicle use. Proper fitment to the Mercedes body structure allows for maintaining the factory operating line of the tailgate and correct seal adhesion.

Construction and fitment for Mercedes

The presented lock belongs to the Locks and Latches group, meaning it is designed to work with the factory tailgate mechanism. The design provides for installation in the rear of the vehicle, maintaining original mounting points and latch operating geometry.

The appropriate shaping of the housing and locking elements ensures correct engagement with the tailgate catch, as well as proper cooperation with the rods or opening actuator. As a result, the lock does not require any modifications to the body structure after installation, which is crucial for the durability and tightness of the rear part of the vehicle.

Benefits of using an original lock

Using an original tailgate lock in a Mercedes ML W164 or W251 allows you to maintain the parameters specified by the vehicle manufacturer. The most important advantages include:

• factory fitment to the rear body section without the need for modifications,
• proper cooperation with the existing opening and locking mechanism,
• stable closing of the tailgate, reduction of play and unwanted noises,
• maintaining the correct position of the tailgate relative to the body.

For the user, this means predictable operation of the trunk mechanism and comfortable handling, especially during daily vehicle use in urban and extra-urban conditions.

Component condition and service application

The offered lock is a used part, making it a cost-effective solution for service repairs. It can be used both as a replacement for a damaged lock and as part of restoring full functionality to the tailgate after bodywork repairs.

In practice, installing such a component allows for quickly restoring proper trunk locking without the need to invest in a new part, while maintaining a design consistent with the solutions used factory-wide in Mercedes vehicles of this generation.

Related components from the Mercedes locks and latches group

If you are planning a comprehensive repair or upgrade of the rear zone in your Mercedes and need other components from the same group, such as door locking mechanisms, catches, or lock cylinders, check the available parts in the Mercedes Locks and Latches category.

To better plan your vehicle service budget and make informed choices when selecting parts, you can also use practical advice on optimizing repair costs – you will find them in the article Economical operation of a Ford – where to look for the biggest savings in mechanical and body repairs, the tips of which are also helpful when planning work on other brands.