Door Lock Mercedes W204 W212 Front Right O/S Latch Catch Actuator A0997200635

Door Lock Mercedes W204 W212 Front Right O/S Latch Catch Actuator is a factory-original locking mechanism designed for installation on the front passenger side. It offers precise integration with the factory central locking system, ensuring secure closing, proper handle operation, and correct response to signals from the remote control and electrical system. This is a practical solution for users who want to restore full door functionality while maintaining original manufacturer specifications.

Specifications and technical data

• SKU: RHD-A0997200635-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0997200635
• Substitutable numbers: A0997200635, A 099 720 06 35
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function of the door lock

The presented lock is the component responsible for the mechanical locking and unlocking of the front right door in Mercedes C-Class (W204) and E-Class (W212) vehicles. It works in conjunction with the exterior handle, interior handle, linkages, and electrical system, transmitting signals to control modules and responding to commands from the remote and interior cabin buttons.

The vehicle placement defined as front – right side means that the part is dedicated to the passenger door in left-hand drive versions, which facilitates the selection of the correct component when repairing the locking system.

Construction and integration with the central locking system

The lock belongs to the Locks and Latches category, responsible for the safety and comfort of daily vehicle operation. Its design integrates the mechanical part with the actuator and position sensors, enabling:

• proper cooperation with the central locking and alarm system,
• door status monitoring (open / closed) by the vehicle's electronics,
• stable locking during driving and while parked.

Thanks to the preservation of factory mounting geometry and linkage attachment points, the lock allows for trouble-free installation in place of the original part, without the need for bodywork modifications or interference with the door structure.

Benefits of using an original Mercedes lock

Using an original lock in a Mercedes W204 / W212 allows you to maintain the consistency of the entire vehicle locking system. Key advantages include:

• Compatibility with the factory installation – correct cooperation with the wiring harness, comfort modules, and alarm system.
• Proper fitment with door panels and handles – no issues with closing, resistance when opening, or incorrect latch operation.
• Replication of original operating characteristics – predictable central locking performance, driving locks, and comfort functions.

This solution is particularly beneficial for post-collision repairs, replacing a damaged mechanism, or restoring full door functionality after an actuator failure.

Part condition and installation aspects

The offered lock is a used part, which allows for reduced service costs while maintaining the original technical specifications. Such components are frequently chosen by workshops and individual users who are looking for a reasonable compromise between price and quality.

Before installation, standard service procedures are recommended: checking the mechanism for smooth operation, inspecting electrical connectors, and correctly adjusting the linkages and handles. A properly selected lock for a specific body version and model year allows for efficient installation and quick restoration of full door functionality.

How to choose the right lock and where to look for similar parts

To ensure that the part is properly matched, it is worth verifying compatibility with the manufacturer's markings and the placement on the vehicle. If necessary, you can seek the help of a mechanic or compare the design with the lock currently installed in the door.

If you are planning a comprehensive repair of the locking system in your Mercedes and also need other elements from this group, check out the available products in the locks and latches for your car category. For those looking for broader information on vehicle operation and repairs, we have also prepared practical guide materials – it is worth taking a look at the article on economical servicing with used OEM parts to better plan your repair budget.