Door Lock Mercedes W204 W212 Front Left N/S Mechanism Actuator A2047203735

Door Lock Mercedes W204 W212 Front Left N/S Mechanism Actuator is a factory-original mechanism with an actuator designed for installation in the front left door of Mercedes C-Class and E-Class vehicles. This component belongs to the Doors and door panels category and ensures the proper operation of the central locking system, secure latching, and reliable closing of the door leaf.

Specifications and technical data

• SKU: rhd-A2047203735-3
• 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 in the vehicle

The presented lock is dedicated for installation in the front – left side of the body, where it is responsible for the mechanical and electrical operation of opening and closing the driver's or passenger's door on that side, depending on the body version. The integrated mechanism with an actuator works with the central locking system, remote control, and internal buttons, ensuring consistent operation of the entire cabin access security system.

The appropriate design of the lock guarantees proper bolt guidance, stable positioning of the door in the frame, and correct interaction with handles and linkages. This maintains door tightness, acoustic comfort, and proper closing without excessive force.

Benefits of using the original mechanism

Using an original door lock in a Mercedes translates into a number of practical advantages:

• precise fit for the front left door structure in W204 and W212 models,
• proper cooperation with the factory electrical installation and central locking control,
• preservation of factory safety parameters and user comfort,
• stable operation of bolts and repeatable closing of the door leaf.

Thanks to this, replacing a damaged element with an original mechanism allows for restoring the full functionality of the locking system without the need for installation modifications or interference with the electrical harness. This solution is particularly beneficial for users expecting consistency with the vehicle's factory specification.

Installation characteristics

The lock is structurally prepared for operation in the front left door, which facilitates installation in place of the factory element. Appropriate mounting points and provided connections for linkages and the electrical harness allow for installation in the standard body configuration, without additional adaptations. Such a solution shortens service time and reduces the risk of installation errors.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and check the condition of cooperating door elements, such as handles, guides, or seals. This allows for achieving stable and repeatable operation of the entire door assembly after the repair is completed.

Condition and service application

The element comes from the group of used parts, which makes it an attractive solution for workshops and users looking for technically sound components at a reasonable price. A properly selected door lock enables effective repair of the locking system in a Mercedes W204 or W212, while maintaining the high quality of workmanship characteristic of this brand.

In service practice, such a component works well both for typical repairs after a central locking failure and for bodywork and paint jobs after collisions, when it is necessary to replace the entire door assembly along with the equipment.

Related Mercedes body elements

If you are planning a comprehensive repair or modernization of the door area in your Mercedes and need other elements from the same group, such as panels, reinforcements, or complete door leaves, check the available parts in the Doors and door panels Mercedes category.

For users interested in a broader approach to economical vehicle servicing, including the choice of used OEM elements as a way to reduce repair costs, an article describing the practical aspects of using second-hand parts may be helpful – you can find it here: Smart Skoda servicing – why second-hand parts are the best choice for your wallet.