Mercedes W203 C209 C215 W220 Trunk Lid Additional Lock Left N/S A2207500384

Mercedes W203 C209 C215 W220 Trunk Lid Additional Lock Left N/S is a precision component from the Locks and Latches group, designed for the trunk locking system in selected Mercedes models. It ensures stable trunk closure and proper interaction with the main lock, which translates into safe vehicle operation and the reduction of unwanted play and vibrations.

Specifications and technical data

• SKU: A2207500384
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2207500384
• Substitutable numbers: A2207500384, A 220 750 03 84
• Location on the vehicle: Left
• Part type: Boot Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the additional trunk lid lock

The presented additional trunk lid lock has been designed specifically for selected Mercedes C-Class and S-Class bodies, where it is responsible for stable locking of the trunk on the left side. As a component working in conjunction with the main lock, it improves the rigidity of the closure, reduces the movement of body panels and seals, and supports the correct alignment of the trunk lid relative to the body. The placement on the left side allows for precise matching to factory mounting points, which facilitates installation and reduces the need for additional adjustments. This solution is particularly important in vehicles where problems with improper closing, rattling, or uneven operation of the locking mechanism have occurred.

Construction and fitment to the Locks and Latches system

The additional trunk lid lock belongs to the Locks and Latches group, making it structurally adapted to work with factory locks, linkages, and guides used in Mercedes vehicles. The geometry of the component, the arrangement of mounting holes, and the shape of the working part of the lock are adapted to the original mounting points in the body and the trunk lid. Such fitment allows for maintaining the factory closing line, and also minimizes the risk of leaks or excessive load on the hinges. In practice, this means that after correct installation, the trunk lid operates smoothly, without excessive resistance, while remaining securely locked during driving.

Benefits of using an original trunk lid lock

Using a dedicated lock in the trunk closing system brings a number of practical operational benefits:

• Improvement of closing stability – reduction of play and rattling of the trunk lid while driving.
• Better fit of the trunk lid to the body line – easier adjustment of gaps and seal contact.
• Cooperation with the factory lock and locking mechanism – without the need for structural modifications.
• Possibility of restoring the proper operation of the system after a collision or wear of the previous component. For users who want to maintain the structural integrity of the vehicle, using a component from the same assembly group is beneficial both in technical and economic terms.

Condition, installation, and service application

The offered lock comes from a used vehicle, which in practice means that it is a part with proven performance in real road conditions. Such components are frequently chosen for post-accident repairs, replacement of worn-out locking mechanisms, or for eliminating problems with the trunk lid not closing properly. Due to its factory-intended use for the left side, installation is based on existing mounting points in the body and the trunk lid. In most cases, the use of standard workshop tools and final adjustment of the lock position relative to the latch is sufficient to achieve smooth, repeatable closing.

Expanding the Locks and Latches system in Mercedes

If you are planning a comprehensive repair or modernization of the trunk area in your Mercedes and need other components from the same group, such as lock mechanisms, additional locks, or trunk strikers, check the available parts in the Mercedes Locks and Latches category. For drivers interested in a broader perspective on the modernization and selection of used components, guide materials regarding structural changes and cost-effective replacements may be useful – you will find them in the article Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – structural changes and VW car parts, which discusses a practical approach to using parts from the secondary market.