Mercedes-Benz CL203 Coupe 1 Front Right O/S Door Lock Latch Mechanism Actuator

Description

Mercedes-Benz CL203 Coupe 1 Front Right O/S Door Lock Latch Mechanism Actuator is a precision latch mechanism with an actuator, designed for installation on the passenger side (O/S) for right-hand drive versions. This component from the Doors and door panels group is responsible for secure locking, unlocking, and proper operation with the central locking system and door handles. This used, original component ensures factory-fit compatibility with the body structure and electrical installation of the given model.

Specifications and technical data

• SKU: rhd-A2037201835-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037201835
• Substitutable numbers: A2037201835, A 203 720 18 35, BG
• Location on the vehicle: Front, Right
• Category: Doors & Door Skins

Purpose and function in the vehicle

The presented lock mechanism is dedicated to the front right door of the CL203 series coupé, where it plays a key role in the daily use of the vehicle. It is responsible for:

• mechanical locking and unlocking of the door leaf,
• cooperation with the central locking system and remote control,
• transmitting status signals regarding the door closure to the vehicle’s electrical system,
• proper operation with the external and internal door handles.

Thanks to its factory design, the lock maintains the correct mounting geometry and attachment points for cables and plugs, which facilitates installation and reduces the risk of improper door operation.

Construction and technical fitment

The latch mechanism integrated with the actuator has been designed specifically for the CL203 coupé body, taking into account the characteristic door profile and electrical wiring routing. The construction includes, among others:

• lock housing with a set of latches and bolts,
• integrated electric drive cooperating with the central locking system,
• mounting points for the internal door structure,
• connection sockets for the vehicle’s wiring harness.

Such a solution ensures consistency with the factory safety and comfort system, and also minimizes the need for modifications during component replacement.

Benefits of using an original door lock

Using an original door lock in a Mercedes CL203 Coupe translates into a number of practical advantages in daily operation:

• Proper cooperation with vehicle electronics – correct operation of the central locking, open door signaling, and comfort functions.
• Factory fitment – matched mounting points and component geometry facilitate installation and reduce the risk of rattles or door play.
• Stable mechanism operation – properly selected gear ratios and latch design ensure secure closing and opening of the door.
• Possibility to maintain the original equipment standard without interfering with the door structure.

Condition, installation, and service application

The offered lock is a used item, which allows for economical repair while maintaining the manufacturer’s original specifications. It is suitable both for typical replacement of a worn or damaged lock and for more extensive bodywork repairs on the right side of the body.

In workshop practice, this mechanism is chosen when symptoms such as locking problems, lack of response to the central locking, incorrect open door indications, or unstable handle operation occur. Using an original component allows for restoring the correct system operation without the need to adapt replacements.

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 panels, reinforcements, or additional structural elements, check the available parts in the Mercedes Doors and door panels category.

For drivers who want to combine vehicle maintenance with a more conscious approach to the environment and operating costs, we recommend the article Eco-driving: discover the benefits of used car parts, which describes the advantages of choosing verified, used components in the automotive industry.