Mercedes-Benz CL203 Front Left Door N/S Lock Latch Mechanism Actuator

Mercedes-Benz CL203 Front Left Door N/S Lock Latch Mechanism Actuator is a precision latch mechanism with a built-in actuator, designed for installation in the front left door of the CL203 series coupé body. It offers stable operation of the locking system, ensuring secure locking and unlocking of the door, as well as proper compatibility with the vehicle's factory electrical installation. Thanks to its design, which complies with the manufacturer's standards, it represents a functional service solution in the Doors and door panels category.

Specifications and technical data

• SKU: rhd-A2037200735-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037200735
• Substitutable numbers: A2037200735, A 203 720 07 35, BG
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The presented lock mechanism is designed to operate in the front left door, in the area responsible for the safety of access to the driver's cabin. The placement in the vehicle is clearly defined as front – left side, which facilitates the selection of the correct component during repair or replacement of a damaged lock.

This solution is particularly useful for problems with closing, locking, or unlocking the door, as well as for malfunctions of the central locking actuator in coupé models from the CL203 family.

Mechanism construction and function

The mechanism combines in one housing the mechanical part responsible for locking with the electrically controlled drive part. The lock works with the external and internal handle, transferring movement to the locking elements and responding to signals from the central locking system.

• stable guidance of the door bolt,
• integrated actuator drive responsible for automatic locking,
• adapted for compatibility with the vehicle's factory electrical harness,
• design matched to the geometry of the CL203 body door.

Thanks to this configuration, the lock ensures repeatable, predictable operation of the opening and closing system, which translates into vehicle usage comfort in daily operation.

Service application and installation benefits

This Mercedes-Benz CL203 Front Left Door N/S Lock Latch Mechanism Actuator will work as a replacement part in case of wear of the factory mechanism, collision damage, or problems with the central locking operation. Choosing an original solution from this group allows you to maintain:

• proper fit with the door structure,
• correct cooperation with factory rods and handles,
• compliance with the electrical parameters of the vehicle's installation,
• consistency of operation with other elements of the locking system.

The used nature of the part enables economical repair while maintaining the original design specification, which is an attractive solution for users who care about rational service costs.

Condition and fitment verification

The item comes from dismantling and is offered as a used part, which allows for a favorable combination of price and preservation of the original design. Before installation, it is recommended to compare the construction of the lock with the currently installed element and verify compatibility with the specific version of the CL203 body to ensure proper operation after installation.

To facilitate identification, the manufacturer has provided a dedicated part number and associated interchangeable numbers, which can be read in the technical specification section and compared with the vehicle's service documentation.

Repair expansion in the door area

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 additional mounts, check the available parts in the Mercedes Doors and door panels category.

For drivers considering wider use of parts from dismantling in other vehicles, useful information on the advantages and principles of selecting components can be found in the article: Used parts for BMW – is it worth it? Key benefits for brand fans.