Mercedes-Benz A-Class W169 Front Right O/S Door Lock Latch Mechanism Actuator

Description

Mercedes-Benz A-Class W169 Front Right O/S Door Lock Latch Mechanism Actuator is a precise latch mechanism with an actuator, designed for installation on the passenger side in the front door. This component comes from the Doors and door panels group and has been engineered to ensure secure locking, smooth integration with the central locking system, and stable performance during daily operation.

Specifications and technical data

• SKU: rhd-A1697203635-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697203635
• Substitutable numbers: A1697203635, A 169 720 36 35, KZ
• 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 Mercedes-Benz A-Class W169 model. It is responsible for the mechanical locking of the door leaf, interaction with the exterior and interior handles, and transmitting movement from the central locking actuator. A properly functioning lock in this location is crucial for passenger safety, vehicle interior security, and the correct operation of the entire car’s locking system.

Thanks to the integrated actuator, the lock responds to signals from the remote control and the electrical system, allowing for convenient opening and closing of the door without the need to use a key in the mechanical lock. The design is adapted to the specific geometry of the A-Class W169 door, which allows for stable mounting and proper cooperation with other door components.

Construction and technical advantages

The front right door lock mechanism in the A-Class W169 is based on a system of gears, levers, and latches that transfer movement from the handle and actuator to the locking tongue. The applied design solutions ensure:

• secure holding of the door leaf in the closed position, without play or unwanted vibrations,
• smooth transition between open, closed, and locked positions,
• consistent cooperation with the factory Mercedes-Benz central locking system.

The mechanism housing is adapted to work in the door cavity, where temperature and humidity fluctuations occur. The lock has been designed as a wear part that, with proper installation and use, provides long-term, repeatable performance.

Benefits of using an original Mercedes component

Choosing a door lock sourced from a Mercedes vehicle means maintaining the factory performance parameters of the locking system. The original geometry of the mounts and levers translates into:

• precise fit to the A-Class W169 door structure,
• correct operation of handles and linkages without the need for modifications,
• consistency with the electrical installation and central locking control.

The element from this group is particularly important in situations where there are problems with the door not closing properly, no response to the remote control, or unstable locking. Using the correct lock allows you to restore the system’s proper operation and reduce the risk of further faults within the door area.

Condition and preparation for installation

The offered front right door lock is a used component, which in practice means it has been removed from a vehicle and shows signs of normal wear while retaining the functionality required for further use. This type of part is a good solution for users who want to restore the efficiency of the locking system at reasonable service costs while maintaining the vehicle’s original specifications.

Before installation, it is recommended to perform a standard check of the door installation (wiring routing, condition of handles, linkages, and seals) so that the newly installed lock can operate in proper mechanical and electrical conditions. A correctly performed replacement allows for the quick elimination of problems with opening or locking the passenger-side door.

Fitment, identification, and additional materials

Due to the specific door construction in the A-Class W169, it is important to match the lock to the correct side and mounting position. The presented component is intended for installation on the front right side, which should be taken into account when planning repairs or replacement. In case of doubt, it is worth comparing the shape of the housing and the arrangement of the mounts with the currently installed lock.

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as door skins, reinforcements, or complete doors, check the available parts in the Mercedes Doors and door panels category.

For users considering a wider range of modifications or replacing body parts from the secondary market, a guide describing common pitfalls when purchasing dismantled components may be helpful – you can find it in the article Buying used car parts – the most common mistakes when choosing tuning parts.