Mercedes-Benz A-Class W168 1 Front Right O/S Door Lock Latch Mechanism Actuator

The Right Front Door Lock for Mercedes-Benz A-Class W168 is a factory-original latch mechanism with an actuator, designed for installation on the passenger side. It offers precise operation of the locking system, ensuring secure door closure and proper integration with the central locking system. This is a practical solution for users who want to restore full door functionality in their Mercedes, utilizing an original design tailored to the W168 body.

Specifications and technical data

• SKU: A1687202035-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1687202035
• Substitutable numbers: A1687202035, A 168 720 20 35, EM
• Location on the vehicle: Front, Right
• Category: Doors & Door Skins

Purpose and Body Fitment

The presented lock mechanism is dedicated to the front right door of the Mercedes-Benz A-Class W168 generation. Its placement in the passenger door area means the component has been designed with the geometry of this part of the body, guides, linkages, and interior trim mountings in mind. As a result, the lock works seamlessly with the factory external and internal door handles, as well as the standard central locking system, maintaining the correct locking and unlocking sequence.

Mechanism Construction and Actuator Function

The mechanism combines a latch part and an actuator responsible for controlling the locking function within a single housing. This assembly:

• transmits motion from the door handle to the lock bolt, ensuring secure door closure,
• interacts with the linkages and levers inside the door,
• enables remote locking and unlocking via the central locking system,
• maintains a stable position of the door leaf relative to the body pillar.

By using the original design, the correct operational characteristics are preserved – from the resistance felt on the door handle, through the moment the latch engages, to the smooth movement of the actuator. This is particularly important for daily use, where consistent performance and the absence of play in the system are crucial.

Benefits of Using an Original Door Lock

Installing a factory-original right front door lock in a Mercedes A-Class W168 ensures compliance with the manufacturer's design. In practice, this means:

• correct fitment with the door panel and pillar,
• proper integration with the factory central locking system,
• preservation of the manufacturer's intended locking geometry,
• reduced risk of issues with door closure or accidental opening while driving.

This component is particularly important for user comfort – the proper functioning of the lock affects the ease of entry, security when parked, and the door's seal during operation. Choosing an original solution helps avoid compromises often associated with aftermarket replacements of uncertain fit.

Characteristics of a Used Part

The offered lock belongs to the Doors and Door Panels group and is a used part, sourced from disassembly. Components of this type retain their factory construction and are a good choice when the original mechanism has suffered mechanical wear, collision damage, or has stopped working with the central locking system. Replacing it with an original lock from the same vehicle generation allows for the restoration of full door functionality without the need for modifications to the wiring or mounting points.

Mercedes Doors and Door Panels – Body Side Repair and Expansion

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and require other parts from the same group, such as panels, reinforcements, or additional mechanisms, check the available parts in the Mercedes Doors and Door Panels category.

Technical Support and Used Part Selection

When selecting used body parts and door hardware, it is advisable to pay attention to the vehicle generation and body version compatibility. Guides on selecting electronics and control modules can also be helpful – many principles for selecting parts based on markings and installation configurations are similar. To deepen your knowledge on safely choosing second-hand components, you can refer to the material: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.

Summary

The Right Front Door Lock for Mercedes-Benz A-Class W168 is a practical solution for drivers who want to restore the proper operation of the passenger door while maintaining the manufacturer's factory standards. The original design of the latch mechanism with an actuator ensures correct integration with the central locking system and comfortable daily use, without the need for modifications to the wiring or door geometry.