Mercedes W204 Door Lock Rear Left N/S Latch Mechanism Actuator A2047301135

Mercedes W204 Rear Left Door Lock Actuator is a component from the locks and latches category, designed for the rear left door on the W204 body. It enables the proper functioning of the central locking system, ensuring secure locking and unlocking of the door according to the vehicle's electrical system signal. This is a practical solution for users who want to restore full locking functionality to their Mercedes without altering the door's structure.

Specifications and technical data

• SKU: A2047301135
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047301135
• Substitutable numbers: A2047301135, A 204 730 11 35
• Location on the vehicle: Rear, Left
• Category: Exterior Locks & Lock Hardware

Vehicle Application and Placement

The presented door lock is designed for installation in the rear left part of the vehicle, meaning it works with the handle mechanism, rods, and the central locking system on the rear driver's side. Thanks to its precise fit for the W204 door construction, the component maintains the factory mounting geometry, which facilitates installation and reduces the risk of improper door panel alignment.

Its placement on the vehicle is clearly defined, making the lock an ideal replacement for a worn-out mechanical part, damage from a collision, or issues with the central locking actuator.

Lock Actuator Construction and Function

The actuator integrated into the lock is responsible for converting the electrical signal from the comfort module into mechanical movement to lock or unlock the door. The lock assembly integrates the following into one housing:

• a locking mechanism that works with the door latch and the striker on the pillar,
• an electric drive controlled by the central locking system,
• a system of levers and rods that interact with the internal and external door handles.

This design ensures consistent operation of all door opening and closing functions, including remote control, interior buttons, and any security features configured for the vehicle.

Benefits of Using an Original Door Lock

Choosing a lock from the dedicated locks and latches category for the Mercedes W204 allows for operational parameters close to factory specifications. Key advantages include:

• Compatibility with the vehicle's system – the lock works with the factory wiring and central locking control without requiring modifications.
• Proper mechanical fit – the spacing of mounting holes and the housing shape are consistent with the W204 door construction, simplifying installation.
• Seamless operation with handles and rods – the mechanism is designed to work with the original interior door components.

This allows the lock to be used for repairs after actuator failure as well as for replacing the entire set of locks to standardize central locking operation throughout the vehicle.

Condition and Application in Repairs

The component is offered as a used part, making it a sensible choice for routine repairs where maintaining functionality at an optimal cost is a priority. Using an original door lock helps minimize the risk of problems typical of inexpensive aftermarket replacements, such as unreliable locking or unstable actuator performance.

The product is particularly suitable in situations where:

• the door does not respond to the remote control or central locking button signal,
• the lock engages only partially or with a delay,
• there are problems with mechanically opening the door from the inside or outside.

Selecting Locks and Latches for Mercedes

When selecting a door lock for a Mercedes, it is crucial to match it to the specific body model and side of installation. It is worth paying attention to compatibility with the locks and latches category and its intended use for the rear left side of the vehicle. If you have doubts about compatibility, comparing the housing design and mounting points with the currently installed part can be helpful.

If you are looking for other locks and latches dedicated to this brand, check out the Mercedes locks and latches available in our store to find the right part for other doors or different models.

More About Selecting Used Parts

When replacing components such as locks, actuators, or comfort modules, it is beneficial to know the basic principles of selecting used parts, especially concerning the electrical system and safety. If you are interested in the quality of used components and their impact on driving safety, check out the guide The Complete Guide to Selecting and Replacing Used LED and Xenon Headlights, which discusses practical aspects of choosing original OEM parts.