Mercedes W205 Door Lock Latch Mechanism Actuator Front Left N/S A0997208501

Mercedes W205 Door Lock Latch Mechanism Actuator Front Left N/S is a precision locking mechanism with a built-in actuator, designed for installation in the front left door of Mercedes C-Class W205 generation vehicles. This is a factory component from the Locks and Latches group, ensuring the proper operation of the central locking system, comfortable opening, and secure locking of the driver's door.

Specifications and technical data

• SKU: RHD-A0997208501
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0997208501
• Substitutable numbers: A0997208501, A 099 720 85 01, A2220063999, A 222 006 39 99
• Location on the vehicle: Front, Left
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock is dedicated for installation in the front – left side of the body, i.e., the driver's door. It is responsible for:

• mechanical locking and unlocking of the door,
• cooperation with the central locking system and remote control,
• proper operation of the exterior and interior door handles,
• stable closing of the door panel when driving at higher speeds.

Thanks to the integrated actuator, the lock ensures consistent operation with the vehicle's body electronics, which is essential for user comfort and passenger safety.

Construction and technical properties

The mechanism combines a mechanical part responsible for locking with an electrical part controlling the actuator's operation. The design is prepared to work with the factory wiring harnesses in the Mercedes W205, which facilitates installation and limits the need for modifications.

Key features include:

• compact housing adapted to the space inside the door,
• mounting points designed for factory mounting holes,
• interface for connection with door handle rods and the opening mechanism,
• electric locking drive compatible with the central locking system.

Such a solution allows maintaining the original functionality of the vehicle, including comfortable opening and closing of the door via remote control and buttons inside the cabin.

Condition, origin, and benefits of use

The item comes from a Mercedes vehicle and is a used part, which allows for an economical repair of the locking system while maintaining factory build quality. The original door lock ensures:

• fitment to the door structure without modifications,
• compliance with factory central locking operating parameters,
• consistency with other components of the locking system in the vehicle.

Using an original mechanism with an actuator reduces the risk of problems with closing, improper locking, or errors in the comfort system.

Support with selection and additional information

Before purchasing, it is worth comparing the configuration of the door and installation in your Mercedes W205 to ensure that the lock will be suitable for the specific equipment version. In case of doubt, it is helpful to verify the part number and placement on the vehicle so that the mechanism fits the front left door without additional modifications.

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

For drivers interested in broader improvement of vehicle parameters, including exhaust system operation and the selection of used components, practical tips contained in the article Performance exhaust system: used manifolds and sports catalytic converters on the road may be useful, which helps in consciously planning further car modifications.