Mercedes CLA C117 Door Lock Front Left N/S Actuator Latch Catch A0997202301

The Left Front Door Lock for Mercedes CLA C117 is an original part from the Locks and Latches group, designed for precise operation of the driver's side locking mechanism. This factory actuator with a latch mechanism ensures proper integration with the vehicle's electronics and stable door closure in daily use.

Specifications and technical data

• SKU: rhd-A0997202301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0997202301
• Substitutable numbers: A0997202301, A 099 720 23 01
• Location on the vehicle: Front, Left
• Category: Exterior Locks & Lock Hardware

Intended Use and Vehicle Placement

The presented lock is dedicated for installation in the front left door (driver's side) of the Mercedes CLA C117 model. The design of the actuator and latch mechanism has been engineered for the specific door geometry, allowing for the correct positioning of the lock bolt, proper operation of the door handle, and compatibility with the factory central locking system.

Placement in the front left door means this component is responsible for:

• mechanical locking and unlocking of the door leaf,
• securely holding the door in the closed position while driving,
• correct response to signals from the remote control and central lock.

Construction and Technical Function

The actuator with a latch mechanism in this lock combines a mechanical part with an actuator controlled by the vehicle's electrical system. This enables smooth operation of the central locking system, synchronization with other doors, and proper response to signals from comfort modules. The precise locking construction minimizes play and reduces the risk of doors not closing properly.

As a part of the Locks and Latches group, the door lock is also responsible for interacting with door position sensors (open/closed), which is important for the operation of interior lighting, ignition lock, and safety systems.

Benefits of Using an Original Mercedes Lock

Using the original left front door lock for the Mercedes CLA C117 allows for the preservation of the factory-set parameters of the locking system. Key advantages include:

• precise fit to the door structure and the cover lock,
• correct compatibility with the factory central locking system and comfort electronics,
• stable locking, reducing unwanted vibrations and noise,
• direct installation in place of a worn-out component.

This part is sourced from a vehicle and is offered as a used original component, providing a sensible compromise between quality and repair cost, especially when servicing older CLA C117 models.

Condition and Service Application

The offered door lock is in used condition, meaning it has been previously operated in a vehicle but is suitable for further use after proper installation. This type of part is often chosen for:

• central locking failure on the driver's side,
• problems with door closure or locking,
• mechanical damage to the lock after a collision or attempted break-in.

Replacing the lock with an original part from the same model group helps reduce the risk of compatibility issues and shortens installation time compared to aftermarket alternatives of uncertain origin.

Related Parts from the Mercedes Locks and Latches Group

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

For drivers considering the broader use of used parts as an economical alternative to new components, a guide describing the selection and operation of such parts may be helpful – find more information in the article about used car parts and economical servicing.