Mercedes W176 Door Lock Latch Mechanism Actuator Front Right O/S A1667200635

Mercedes W176 Door Lock Latch Mechanism Actuator Front Right O/S is a factory-original locking mechanism designed for installation on the passenger side of the front door. It offers precise actuator operation, stable locking, and reliable integration with the factory electrical system, which translates into trouble-free central locking operation and daily driving comfort. This is the solution for users who are looking for an original component from the Locks and Latches category instead of random aftermarket replacements.

Specifications and technical data

• SKU: RHD-A1667200635-5
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667200635
• Substitutable numbers: A1667200635, A 166 720 06 35
• Location on the vehicle: Front, Right
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock mechanism is dedicated to the front right door in Mercedes W176 models, a compact series where the locking system works in conjunction with the vehicle's comfort and security systems. Its placement in the front passenger-side area ensures proper cooperation with the exterior and interior door handles, rods, and the wiring harness. As an item from the Locks and Latches category, the lock is responsible for:

• mechanical locking and unlocking of the door,
• transferring drive from the central locking actuator,
• cooperation with door position sensors in comfort and safety systems.

Construction and performance parameters

The mechanism combines a mechanical part with an integrated actuator, allowing for efficient control via remote, interior button, or key. The design provided by the vehicle manufacturer ensures:

• proper fit to the door panel and factory mounting points,
• correct routing of the exterior and interior handle rods,
• compatibility with the original Mercedes electrical harness. Thanks to this, the installation process is straightforward, without the need for modifications or custom mounts, and the lock itself maintains its factory performance characteristics.

Benefits of using an original door lock

Using an original door lock in a Mercedes W176 allows you to maintain the integrity of the entire locking system. In practice, this means:

• stable central locking operation and no typical issues with doors failing to close or opening spontaneously,
• proper cooperation with the vehicle's electronics, including comfort functions,
• preservation of the factory level of soundproofing and door component fitment. A used, original part from dismantling is often a reasonable compromise between cost and quality – especially in the case of such critical components as locking mechanisms.

Condition, fitment, and service application

The offered lock comes from a Mercedes vehicle and is classified as a used part, which in practice means it has already been verified for its suitability for further use. Due to its factory design, it is suitable as:

• a replacement for a lock damaged after a collision or due to wear and tear,
• a component restoring full central locking functionality after an actuator failure,
• a service part for comprehensive passenger-side door repairs. Before installation, it is recommended to perform a standard inspection of the door installation (wiring routing, condition of handles and rods) to fully utilize the capabilities of the offered mechanism.

Repair expansion – Mercedes Locks and Latches

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other components from the same group, such as rear lock mechanisms, trunk latches, or central locking actuators, check out the available parts in the Mercedes Locks and Latches category.

Additional information about used parts

When selecting original parts from dismantling, it is worth paying attention to their origin and compatibility with the specific vehicle equipment version. In case of doubts regarding the cost-effectiveness of using used components in other brands, an article describing the practical aspects of servicing cars using factory parts from dismantling may be helpful – you can find more on this topic in the material Reliability and dynamics in Seat models – how to reduce repair costs by choosing factory parts from dismantling?.