Mercedes W169 Door Lock Front Left N/S Latch Mechanism Actuator A1697202735

Left front door lock for Mercedes W169 is a factory-original latch mechanism with an actuator, designed for installation in the left front door of vehicles in this series. This component, from the Doors and Door Panels category, ensures proper locking, cooperation with the central locking system, and secure door closure. Thanks to its design conforming to the manufacturer's standards, it offers a functional service solution for Mercedes owners.

Specifications and technical data

• SKU: rhd-A1697202735-4
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697202735
• Substitutable numbers: A1697202735, A 169 720 27 35
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and Function of the Mercedes W169 Door Lock

The presented left front door lock mechanism has been specifically designed for the Mercedes W169 body, taking into account door geometry and the factory locking system. Its placement on the vehicle is the front left side, which guarantees a proper fit for the driver's door construction in versions with the steering wheel on the appropriate side.

The component performs several key tasks in the door system:

• realizes mechanical locking and unlocking of the door,
• cooperates with the central locking actuator,
• ensures stable holding of the door in the closed position while driving,
• transmits movement from the external and internal door handles to the latch mechanism.

Construction and Integration with the Door System

The left front door lock for the Mercedes W169 is a complete latch-actuator module, adapted for installation in the factory mounting points within the door panel. The design anticipates cooperation with:

• cables or rods for internal and external door handles,
• the electrical system controlling the central locking,
• the vehicle's factory safety system.

By maintaining the original geometry and mounting points, installation proceeds in an organized manner, without the need for bodywork modifications or additional component adaptations.

Benefits of Using an Original Door Lock

Using a lock dedicated to the Mercedes W169 for the left front door allows for maintaining the consistency of the entire door system. The most significant advantages include:

• Full compatibility with the factory central locking system – proper cooperation with the vehicle's electronics and remote control.
• Precise fit with the door – maintaining the correct position of the door leaf relative to the body when closed.
• Stable operation of the latch mechanism – reduction of play and unwanted noises during driving.
• User safety – correct locking reduces the risk of accidental door opening.

Condition, Service Application, and Installation

The offered left front door lock for the Mercedes W169 is a used part, making it a practical choice for operational repairs and restoring the functionality of the door system after mechanical damage. It is particularly suitable in situations where:

• the original lock has stopped responding to central locking signals,
• the door does not close properly or unlocks by itself,
• mechanical damage has occurred after a collision or intervention in the door panel.

By retaining the factory construction, it is possible to use the installation procedure in accordance with Mercedes service documentation, which facilitates workshop work and reduces vehicle downtime.

Expanding the Offer and Technical Knowledge

If you need other body parts such as locks, hinges, or complete door modules for this brand, check the available parts in the Mercedes Doors and Door Panels category.

If you are interested in a broader context of vehicle modernization and want to better understand how the selection of appropriate components affects the car's performance and character, it is worth reading the tuning guide How to Increase Engine Power: A Practical Guide to Engine Tuning with Used Parts, which discusses a practical approach to using used components in modifications.