Mercedes CLC CL203 Door Lock Front Right O/S Latch Catch Actuator A2037200635

Mercedes CLC CL203 Door Lock Front Right O/S Latch Catch Actuator is an original component from the Locks and Latches group, designed for the precise operation of the door locking and unlocking mechanism on the passenger side. This used actuator and locking mechanism ensures proper compatibility with the factory central locking system and body electronics, maintaining consistency with the door construction of the CLC CL203 model.

Specifications and technical data

• SKU: rhd-A2037200635
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037200635
• Substitutable numbers: A2037200635, A 203 720 06 35, KD
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and vehicle placement

The presented lock is designed for installation in the front right door, i.e., on the passenger side in left-hand drive vehicles. It is responsible for the mechanical locking of the door, interaction with the exterior and interior handles, and transmitting signals to the central locking system. Thanks to its dedicated placement, it ensures correct latch guidance, stable positioning within the door panel, and proper operation of the entire locking module.

Design and technical function

The mechanism combines a locking part and an integrated actuator, which enables both manual control and operation via remote or central locking. The design provided by the vehicle manufacturer ensures:

• appropriate geometry of the catch and latch tailored to the CLC CL203 door,
• compatibility with factory wiring and the door harness,
• stable load transfer during door closing and opening,
• correct response to signals from the comfort system and central locking.

As a result, the lock maintains the correct position of the door relative to the body, reduces play, and minimizes the risk of improper closing or accidental opening while driving.

Benefits of using an original Mercedes door lock

Using an original lock in the CLC CL203 model allows for maintaining the structural integrity of the door and avoiding problems typical of aftermarket replacements. Key advantages include:

• factory fitment to the shape of the door and pillar,
• proper interaction with the existing central locking and electrical installation,
• preservation of the original operating characteristics of the handles and lock cylinder,
• reduction of the need for installation modifications.

The used component allows for an economical repair while maintaining the original technical specification of the vehicle, which is particularly important in the case of precision locking mechanisms.

Condition, verification, and service application

The offered front right door lock comes from dismantling and is intended for reinstallation on the passenger side. Before installation, a standard service procedure is recommended: checking the mechanism's operation on a workbench, verifying the range of motion of the latch, checking electrical connectors, and correct alignment relative to the catch in the bodywork. This approach facilitates the quick resolution of faults related to:

• lack of central locking response on one door,
• problems with closing or the door bouncing back,
• incorrect locking on the passenger side.

Thanks to the preservation of the original design, the installation proceeds predictably, and the risk of incompatibility with other door components is limited.

Related items 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 elements from the same group, such as locking mechanisms, central locking actuators, or rear door locks, check the available parts in the Mercedes Locks and Latches category.

Technical support and service knowledge

When performing service work on lock systems, central locking, or comfort systems, it is worth using reliable sources of knowledge regarding diagnostics and the selection of original components. A good point of reference when planning repairs using used parts can be the article BMW N47 timing chain – typical failure and repair using original BMW parts, which shows how to consciously approach the regeneration and replacement of components based on the manufacturer's factory solutions.