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

Left Front Door Lock for Mercedes W169 is an original latch mechanism with an actuator, designed for installation in the front left door of vehicles in this series. The component comes from the Doors and Door Panels category and is a functional solution for users looking for a proven, factory-original lock with an electric drive. Thanks to its construction, tailored to a specific position on the body, it ensures proper cooperation with the electrical system and the locking mechanism.

Specifications and technical data

• SKU: rhd-A1697202735-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697202735
• Substitutable numbers: A1697202735, A 169 720 27 35, KD
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and Vehicle Placement

The presented lock is designed to operate in the front – left side of the body, which guarantees a proper fit with the driver's door structure in compact Mercedes models of the W169 series. The integrated latch mechanism works with the handle, rods, and electrical system, responsible for:

• mechanical locking and unlocking of the door,
• transmitting signals to the central locking system,
• cooperation with the electric actuator responsible for automatic closing.

Mechanism Construction and Actuator Function

The door lock combines a latch mechanism and an electric actuator within a single housing. This design allows for precise control of the bolt position and stable operation under typical vehicle operating conditions. The use of a factory Mercedes solution promotes:

• proper cooperation with the factory comfort module,
• maintaining adequate door closing force,
• reduction of play and unwanted noises during driving.

Thanks to the integration of the actuator with the lock, installation is limited to connecting the factory connectors and correctly setting the rods, without the need for additional wiring modifications.

Benefits of Using an Original Mercedes Door Lock

Using an original lock with an actuator in the front left door offers a range of practical benefits in daily operation:

• Factory Fitment – construction prepared specifically for the front left door of the Mercedes W169, with no issues regarding mounting geometry.
• Stable Central Locking Operation – correct locking and unlocking of all doors, without delays or jamming.
• Vehicle Electronics Compatibility – compatibility with original control units and electrical systems, which reduces the risk of system errors.
• User Safety – a properly functioning lock minimizes the risk of accidental door opening while driving.

Item Condition and Service Application

The offered Left Front Door Lock for Mercedes W169 is a used part that can be utilized as a replacement part in case of central locking failure or for repairs after collisions involving doors and door panels. Replacing the complete mechanism with the actuator is often a faster and more predictable solution than repairing individual components within the old lock.

Lock Selection and Additional Materials

When selecting a lock for a specific vehicle, it is advisable to pay attention to compatibility with the body version and equipment, as well as the technical parameters visible in the specifications section. If necessary, you can compare the housing design and electrical connectors with the currently installed part, which helps confirm compatibility.

If you are looking for other Mercedes Doors and Door Panels, check out our dedicated offer: Mercedes Doors and Door Panels.

For drivers interested in a broader perspective on purchasing used drivetrain components and associated parts, we recommend the guide: Second-hand Differentials – A Practical Guide to Used Drivetrain Components.