Mercedes W176 W212 W246 Door Lock Rear Left N/S Mechanism Actuator A2047303535

Mercedes W176 W212 W246 Door Lock Rear Left N/S Mechanism Actuator is an original locking mechanism component designed for the rear left side of the vehicle body. It ensures proper operation with the door handle, linkages, and electrical wiring, guaranteeing stable locking and secure closing. This is a practical solution for users who want to restore full door functionality without compromising on fitment and build quality.

Specifications and technical data

• SKU: A2047303535-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047303535
• Substitutable numbers: A2047303535, A 204 730 35 35
• Location on the vehicle: Rear, Left
• Category: Exterior Locks & Lock Hardware

Purpose and function of the lock

The presented lock is intended for installation in the rear left part of the vehicle body, allowing for precise fitment to the door structure in Mercedes W176 family models. The component is responsible for the mechanical locking of the door leaf, cooperation with the internal and external handle linkages, and correctly maintaining the door in a closed position while driving.

Thanks to the factory design of the lock, the correct geometry of the latch and striker is maintained, which reduces the risk of play, rattling, or improper closing. This is particularly important in vehicles used on a daily basis, where closing stability affects both acoustic comfort and passenger safety.

Compatibility and fitment for Mercedes

The lock has been designed specifically for Mercedes vehicles, which translates into full compatibility with factory mounting points and the standard door wiring harness. The appropriate shaping of the housing and the arrangement of mounting holes allow for installation without bodywork modifications or adapter adjustments.

The component has an assigned OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific equipment version. Thanks to this, a mechanic or user can quickly check whether a given lock will be the correct replacement for the currently installed subassembly.

Technical characteristics and installation

The lock operates in the rear left zone of the body, integrating with the factory door opening and closing mechanism. The design provides for cooperation with the standard handle, linkages, and – depending on the vehicle version – with the central locking system or comfort access system. This makes it possible to maintain full door functionality after replacing the component.

During installation, it is recommended to:

• check the condition of the door guides and hinges before tightening the lock,
• properly route the linkages and electrical wiring plugs,
• adjust the position of the lock relative to the pillar to achieve an even door line and proper closing.

Such an approach allows for fully utilizing the potential of the part and limiting the need for subsequent corrections.

Condition, origin, and practical application

The offered component comes from the Locks and latches group and is marked as used, which makes it a reasonable choice for maintenance or post-accident repairs. For many users, this is a cost-effective way to restore door efficiency while maintaining the original design and fitment characteristic of factory parts.

A functional rear left lock is important not only for daily comfort but also for the proper operation of safety systems, such as door locking while driving or protection against accidental opening by passengers. In case of planned broader door repairs or modernization of locking mechanisms, it is worth browsing other elements in the Locks and latches category to select a complete solution for a specific vehicle unit.

Why it is worth using an original door lock

Choosing an original lock for a Mercedes W176 allows you to maintain the structural consistency of the entire door system. Factory fitment minimizes the risk of problems with adjustment, leaks, or improper cooperation with the vehicle's electronics. This is especially important in more modern designs, where the lock mechanics are linked to control modules and comfort systems.

If you are planning broader service work on your Mercedes in parallel, it is worth checking out expert materials as well, such as the guide on restoring the efficiency of the OM642 3.0 V6 CDI unit, which shows how properly selected parts affect the durability and refinement of the entire vehicle. Such an approach – combining the right components with reliable technical knowledge – allows you to build long-term vehicle reliability.

Additionally, we encourage you to familiarize yourself with our service knowledge compendium in the blog section, where you will find, among other things, practical tips regarding diagnostics and repair of body components in Mercedes vehicles. This is a helpful supplement when planning the replacement of a door lock and other related components.