Mercedes C218 W204 W212 Door Lock Front Left N/S Mechanism Actuator A0997200735

Mercedes C218 W204 W212 Door Lock Front Left N/S Mechanism Actuator is an original mechanism with an actuator designed for installation in the front left door of selected Mercedes models. This component belongs to the Doors and door panels group and ensures proper, safe operation of the locking system and compatibility with the vehicle's factory electronics. The used OEM component is a solution technically matched to the body structure, allowing for efficient replacement of a damaged lock.

Specifications and technical data

• SKU: RHD-A2047203735-7
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047203735
• Substitutable numbers: A2047203735, A 204 720 37 35, A0997200735, A 099 720 07 35
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and function of the door lock

The presented lock mechanism with an actuator is designed for installation in the front left door, where it is responsible for precise locking, unlocking, and interaction with the central locking system, as well as the exterior and interior door handles. The design, tailored to the Mercedes C218, W204, and W212 body platforms, ensures proper positioning relative to the door panel, window guides, and seals.

The mechanism combines a mechanical part and an electrical part (actuator), which allows the lock to be controlled via the remote, interior button, and key. As a result, the system maintains consistency with the vehicle's factory comfort and safety systems.

Construction and technical features

The door lock belongs to the Doors and door panels group, meaning it has been designed for proper interaction with the door wing structure, hinges, and body panel elements. The mechanism housing is adapted for installation in factory mounting points, which facilitates service and reduces the time required for replacement.

The internal system of latches and levers works with an electric actuator, which is responsible for automatic locking. Thanks to this, the lock maintains appropriate rigidity after the door is closed, minimizes play, and ensures stable closing of the wing, which is important for both acoustic comfort and body sealing.

Benefits of using the original mechanism

Choosing an original door lock for a Mercedes allows you to maintain the factory operating parameters of the locking system. Precise fitment for the specific model reduces the risk of closing problems, central locking malfunctions, or incorrect interaction with comfort electronics.

• Compatibility with factory electrical harnesses and control units.
• Proper fitment with the door structure and exterior panel.
• Stable operation of the locking mechanism in daily use.
• Possibility of direct replacement of a damaged lock without modifications.

The used OEM component is a cost-effective solution that is also technically matched to the vehicle, which is particularly important in the case of advanced comfort systems used in Mercedes vehicles.

Condition, installation, and service application

The offered lock is a used component intended for service installation in the front left door. It is suitable both for typical replacement of a damaged mechanism and for broader bodywork and paint repairs within the door area, where it is necessary to transfer equipment from another wing.

Due to its factory origin, installation takes place at standard mounting points, using original screws and clips. This allows for maintaining the correct alignment of the lock relative to the body pillar and ensures proper door closing after adjustment is completed.

Expanding repairs within the Mercedes door area

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as locks, hinges, or complete wings, check the available parts in the Mercedes Doors and door panels category.

In the case of broader service work on the body or systems interacting with the vehicle's electronics, it is also worth expanding your knowledge about the impact of individual components on the durability of the power unit and operating comfort. Useful information can be found in the article Engine cooling system – overheating, repair, and used radiators, which discusses the relationships between the condition of components and engine lifespan in popular models, including Mercedes.