Mercedes-Benz A-Class W168 2 Front Right O/S Door Lock Latch Mechanism Actuator

The Right Front Door Lock for Mercedes-Benz A-Class W168 is an original locking mechanism with an actuator, designed for factory installation in the right front door of this model. This component, from the Doors and Door Panels category, ensures proper closing, opening, and cooperation with the central locking system, restoring full functionality to the driver's or passenger's outer door.

Specifications and technical data

• SKU: rhd-A1687202035-2
• 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

Intended Use and Fitment for Mercedes-Benz A-Class W168

The presented right front door lock for Mercedes-Benz A-Class W168 has been specifically designed for installation in the front right part of the body. It is responsible for precise door leaf locking, cooperation with the external and internal door handles, and integration with the factory central locking system.

Thanks to its design, which aligns with the manufacturer's solutions, the mechanism maintains the correct geometry for rods and levers, reducing the risk of jamming, play, and leaks within the door. This is particularly important for vehicles used daily, where the consistent operation of the lock contributes to user comfort and cabin safety.

Mechanism Construction and Actuator Function

The mechanism combines the locking part with an electric drive in a single housing, forming a complete assembly responsible for:

• mechanical locking and unlocking of the door leaf,
• transferring motion from the handles and rods to the lock latches,
• controlling the bolt position via an integrated actuator, which works with the central locking system.

This design reduces the number of separate components in the door, simplifies diagnostics, and facilitates replacement in case of failure. Using an original solution allows for maintaining proper operating parameters, including response time to signals from the remote control or the lock cylinder.

Benefits of Using an Original Door Lock

Using the factory mechanism in the Mercedes-Benz A-Class W168 offers a range of practical benefits:

• Proper Fit with Door Construction – mounting holes, attachment points, and housing shape are matched to the original door panel, facilitating installation and eliminating the need for modifications.
• Stable Central Locking Operation – the integrated actuator works with the factory electrical system, ensuring predictable performance when locking and unlocking the vehicle.
• Reduced Noise and Vibrations – a correctly fitted mechanism minimizes clunks and play within the door, contributing to acoustic comfort inside the cabin.
• User Safety – a functional lock makes unauthorized door opening more difficult and minimizes the risk of accidental opening while driving.

Characteristics of a Used Component

The offered door lock is a used component, sourced from disassembly, which allows for maintaining the original manufacturer's specifications while optimizing repair costs. Such components are often chosen for servicing older generations of Mercedes-Benz vehicles, where structural compatibility and predictable long-term performance are crucial.

Before installation, a standard inspection of the door's systems is recommended (wiring harness, rod condition, hinge adjustment) to fully utilize the mechanism's capabilities and avoid secondary faults resulting from other system components.

Mercedes Doors and Door Panels – Selecting Other Components

If your repair requires replacing other components from the Doors and Door Panels category for your Mercedes, check out the Mercedes doors and door panels available in our store to select compatible body and door hardware elements.

When planning more extensive service work, it is also worth familiarizing yourself with the guide on selecting used suspension components and the impact of their construction on vehicle handling – a detailed discussion can be found in the article “Stock vs. Sport Suspension – Construction Differences and Whether It's Worth Buying Used Suspension Parts?”, which helps in making informed purchasing decisions when restoring older cars.