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

Left Front Door Lock for Mercedes CLA C117 is an original part from the Locks and Latches group, responsible for precise locking and unlocking of the driver's door. This factory mechanism works with the vehicle's closing system, ensuring proper operation of the handle, actuator, and lock mechanism in the front left door.

Specifications and technical data

• SKU: rhd-A0997202301-1
• 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

Purpose and Technical Function

The presented lock is intended for installation in the front left door area of the Mercedes CLA C117 body. It is responsible for the mechanical and electrical locking of the door leaf, working in conjunction with the central locking system and the vehicle's safety system. The lock's design integrates a latch mechanism with a drive module, allowing for smooth opening and closing of the door both remotely and from inside the cabin.

Its placement on the vehicle is factory-defined as front – left side, which guarantees proper fit with the door geometry, guides, and the striker on the body pillar. This ensures the lock maintains its correct working position, minimizing the risk of play, rattling, or incomplete closing.

Construction and Compatibility with Door System

The door lock for Mercedes CLA C117 utilizes a multi-component latch mechanism designed to withstand the loads resulting from frequent door opening and closing. The housing and internal gears are engineered to work with the factory external door handle, internal door handle, and control rods. The integrated actuator allows for control via the central locking system, and proper rod routing ensures repeatable operation with every opening cycle.

Its original Mercedes origin promotes the maintenance of correct mounting geometry – mounting points, striker position, and sockets for rods and connectors are in line with factory specifications. This allows the lock to be used as a direct replacement for the part originally installed in the driver's side door.

Condition, Service Application, and Benefits of Installation

The part is offered in a used condition, allowing for an economical repair of the door closing system while maintaining the original manufacturer's construction. This type of lock is particularly suitable for situations where there are problems with closing, locking, or unlocking the front left door, and a complete mechanism replacement is necessary.

Choosing an original door lock for the Mercedes CLA C117 allows you to:

• restore the proper operation of the central locking system in the driver's door,
• maintain the factory fit of the door with the body,
• reduce the risk of leaks and improper closing,
• preserve the integrity of the door lock safety system.

Support with Selection and Additional Information

Before installation, it is recommended to compare the lock's construction with the currently installed part in the vehicle, especially regarding its placement on the vehicle and the routing of rods and connectors. If in doubt, it is advisable to consult a mechanic or a specialist in bodywork and door carpentry for Mercedes vehicles.

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

For additional practical tips on the cost-effectiveness of using used parts in vehicle systems, differences between reconditioned and used parts, and compatibility aspects, you can refer to the article Used Gearbox – When is it Worth It and What You Need to Remember, which discusses the broader context of selecting components from the secondary market.