Door Lock Mercedes W204 W212 Front Left N/S Mechanism Actuator A2047202535

Left Front Door Lock for Mercedes W204 / W212 is an original mechanism from the Locks and Latches category, designed for installation in the front left door of the vehicle. This component integrates the function of mechanical locking with an actuator, ensuring secure closing and stable cooperation with the factory central locking system in Mercedes executive cars.

Specifications and technical data

• SKU: rhd-A2047202535-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047202535
• Substitutable numbers: A2047202535, A 204 720 25 35
• Location on the vehicle: Front, Left
• Category: Exterior Locks & Lock Hardware

Vehicle Application and Function

The presented lock is dedicated for installation in the front left door, where it is responsible for precise locking of the door leaf and cooperation with the external and internal door handles. The integrated actuator enables automatic opening and closing as part of the central locking system, which translates to user convenience and seamless integration with the vehicle's body electronics.

The original design for the Mercedes brand ensures proper positioning relative to guides, hinges, and seals, which reduces the risk of play, rattling, or incomplete door closure. Thanks to this, the lock maintains a stable connection between the door leaf and the body, which is important for both acoustic comfort and driving safety.

Mechanism Construction and Technical Advantages

The mechanism combines a mechanical part responsible for locking with a drive part, i.e., an actuator, within a single housing. This configuration minimizes the number of connections and wires, and thus potential failure points. The implemented design solutions are adapted to the loads typical for daily operation – frequent opening and closing of doors, operation in varying temperatures, and in conditions of increased humidity.

As an original Mercedes part, the lock maintains full compatibility with factory settings of comfort modules and body control units. Appropriate internal lever ratios and matching mounting points facilitate installation and allow for the use of existing cable and handle rod routings.

Condition, Fitment, and Service Application

The offered lock is a used component, which in practice means it comes from a dismantled vehicle and has been verified for its suitability for further use. This type of part is particularly useful in situations where the vehicle exhibits symptoms such as problems with door locking, no response to remote signals, occasional handle jamming, or the need for multiple attempts to close the door.

Replacing the lock with an original equivalent allows for the restoration of correct operation of the door opening and closing system without the need for intervention in the wiring harness or changes to factory control unit settings. This is a service solution that reduces repair time and minimizes the risk of incompatibility with the vehicle's electronics.

Benefits of Using an Original Lock

• Perfect fit for the construction of the front left door in Mercedes W204 / W212 models.
• Seamless cooperation with the factory central locking system and comfort module.
• Stable locking of the door leaf, contributing to acoustic comfort and safety.
• Reduced need for installation modifications due to the preservation of original mounting points.
• A cost-effective service solution for failures of the locking mechanism or actuator in the driver's door.

Related Parts and Additional Information

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

For drivers interested in a broader understanding of the construction and diagnostics of components related to vehicle operation, including elements cooperating with the steering column and comfort systems, an article describing operating principles and common faults may be helpful – you can find it here: Steering System and Power Steering – How it Works and What Fails?.