Mercedes S211 ML W164 Rear Door Trunk Lid Tailgate Lock Catch A1647400500

Mercedes S211 ML W164 Rear Door Trunk Lid Tailgate Lock 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 trunk lid, stable operation with the factory opening mechanism, and proper closing of the tailgate in Mercedes vehicles. This is a practical solution for users who want to restore the correct operation of the rear lock after a failure or wear of the factory component.

Specifications and technical data

• SKU: A2117400235
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2117400235
• Substitutable numbers: A2117400235, A 211 740 02 35, A1647400500, A 164 740 05 00
• Location on the vehicle: Rear
• Category: Exterior Locks & Lock Hardware

Purpose and function of the trunk lock

The presented lock operates in the rear part of the vehicle, responsible for securely locking the trunk lid. The component works with the factory opening mechanism, actuators, and body wiring, which allows for maintaining the correct closing geometry and reduces the risk of play or the lid not closing properly.

A properly selected trunk lock helps maintain the tightness of the rear body section, which is important for protecting the trunk interior from moisture and for the stable operation of seals and upholstery elements.

Construction and vehicle fitment

As an element from the Locks and Latches group, the trunk lock is structurally prepared for installation in the factory mounting points in the rear of the body. The mechanical system of the lock has been designed to work with the original handle, rods, and any electric drive, which facilitates installation and limits the need for additional modifications.

Proper fitment to the Mercedes body allows for maintaining the correct position of the lid relative to the bumper and fenders, which translates into even gaps and correct operation of the seals. Thanks to this, after replacement, you can restore the factory comfort of using the rear part of the vehicle.

Condition, application, and benefits of installation

The item is offered as a used part, which is a cost-effective solution while maintaining the original construction and fitment for the specific Mercedes platform. Replacing a worn or damaged lock with a functional unit allows you to eliminate problems with the lid not closing, opening on its own, or insecure locking.

The main benefits of using this trunk lock include:

• restoring the correct locking of the tailgate,
• increasing the security of transported cargo,
• reducing noise and vibrations coming from the rear of the body,
• maintaining consistency with the vehicle's factory locking system.

Installation and maintenance tips

When installing the trunk lock, it is recommended to check the condition of the hinges, bumpers, and adjust the position of the lid to fully utilize the capabilities of the newly installed component. Proper adjustment of the locking mechanism affects the closing comfort, eliminates the need for excessive pressing of the lid, and ensures stable operation of the entire system.

To maintain a longer service life, it is worth periodically checking the lubrication status of the mechanism and the cleanliness of the catch area, which reduces operational wear and the risk of jamming.

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 locking mechanisms, catches, or lid actuators, check the available parts in the Mercedes Locks and Latches category.

To better plan the purchase of a used trunk lock and other components, it is worth reading the guide on choosing second-hand parts: Used parts – Your guide to the best offers in the automotive store.