Mercedes W176 W246 Boot Trunk Tailgate Lock Latch Mechanism A0997400200

Mercedes W176 W246 Boot Trunk Tailgate Lock Latch Mechanism is an original part from the Locks and latches category, designed for the rear body section of Mercedes vehicles. This used component ensures a factory fit, proper integration with the vehicle's electrical system, and stable closing of the tailgate, which translates into safe and comfortable vehicle operation.

Specifications and technical data

• SKU: A0997400200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0997400200
• Substitutable numbers: A0997400200, A 099 740 02 00
• Location on the vehicle: Rear
• Category: Exterior Locks & Lock Hardware

Purpose and function of the tailgate lock

The presented lock latch is responsible for the mechanical locking of the tailgate in W176 and W246 series models. The component is mounted in the rear body area and works with the opening mechanism and the body's electrical system, ensuring secure closing and keeping the tailgate in the locked position while driving.

Thanks to a design that complies with Mercedes factory standards, the lock maintains the correct mounting geometry, which facilitates installation and allows for precise adjustment of the tailgate position relative to the body. This is particularly important during post-accident repairs or when replacing worn-out locking system components.

Benefits of using an original lock

Using an original lock from the Locks and latches category to replace a worn or damaged component allows you to maintain the factory level of safety and comfort. The mechanism is designed to work with factory hinges, actuators, and tailgate seals, which minimizes the risk of leaks, play, or improper closing.

The main advantages of this solution include:

• factory fit for the tailgate structure in Mercedes W176 and W246 vehicles,
• stable locking of the tailgate while driving,
• maintenance of proper operation of the opening and closing mechanism,
• easier adjustment after installation due to compatibility with original mounting points.

Installation and operational characteristics

The offered lock is intended for installation in the rear part of the vehicle, in the tailgate area. The design of the component allows it to be installed in place of the factory lock without the need for body modifications, which shortens repair time and reduces the risk of installation errors.

The used nature of the component makes it a cost-effective solution while maintaining the original technical specifications. Selecting the correct lock for a specific body model helps restore proper tailgate closing, eliminating issues with incomplete closing, accidental opening, or excessive vibrations in the rear of the vehicle.

Application in service and body repairs

The tailgate lock latch is used both in standard maintenance repairs and in bodywork after collisions. Replacing this element is recommended in the event of mechanical damage, excessive wear of the mechanism, or problems with keeping the tailgate in the closed position.

Choosing an original lock for a specific body series allows for consistency with other elements of the locking system, which is important for the durability of the entire system and the comfort of daily vehicle use.

If you are planning a comprehensive repair or upgrade of the rear body section of your Mercedes and need other parts from the same group, such as locking mechanisms, strikers, or tailgate actuators, check out the available parts in the Mercedes Locks and latches category.

For a broader perspective on the development of design solutions in vehicles of this brand, including the evolution of body parts and accessories, it is worth reading the article Evolution of the Mercedes S-Class: from W140 to W222 – innovations, model differences, and Mercedes auto parts over the years, which discusses changes in the construction and servicing of Mercedes cars across successive generations.