Door Lock Mercedes W176 A-Class Front Right O/S Latch Mechanism Actuator

The Mercedes W176 A‑Class Front Right Door Lock is an original latch mechanism with an actuator, designed for installation in the front right door. This component belongs to the Doors and Door Panels category and ensures proper locking and unlocking of the door, working in conjunction with the vehicle's factory electrical system. It's a practical solution for users seeking a proven, factory-original component instead of low-quality aftermarket alternatives.

Specifications and technical data

• SKU: rhd-A1667200635-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667200635
• Substitutable numbers: A1667200635, A 166 720 06 35
• Location on the vehicle: Front, Right
• Category: Doors & Door Skins

Purpose and Function of the Front Right Door Lock

The Door Lock Mercedes W176 A‑Class Front Right O/S Latch Mechanism Actuator is a complete electric door lock mechanism assembly responsible for securely closing and locking the front right door. Its placement on the vehicle is the front passenger side, which is important when selecting parts for a specific body and steering wheel configuration.

The mechanism works with the central locking system and remote control, performing the following functions:

• mechanical locking of the door in the closed position,
• electric unlocking upon signal from the comfort module,
• stable holding of the door in the closed position while driving.

Mechanism Construction and Body Integration

The front right door lock for the W176 A‑Class is an OEM construction, specifically designed for the door geometry of this model. It includes a latch assembly, a gearbox working with the actuator, and mounting points matched to the factory mounting holes in the door panel.

This ensures:

• compatibility with factory linkages and cables for the exterior and interior handles,
• operation with original wiring harnesses without the need for modifications,
• maintenance of the correct door position relative to the pillar, reducing stress and noise.

Benefits of Using an Original Mercedes Door Lock

Choosing an original door lock for the Mercedes A‑Class W176 maintains consistency with the factory body construction. Precise fit with the door panel translates to proper closing, no play, and reduced unwanted noises during driving. Using the correct mechanism on the front right side eliminates the risk of door geometry issues and hinge operation problems.

A used OEM part offers a sensible compromise between cost and quality – you retain the original construction while avoiding common problems with cheap aftermarket parts, such as:

• incorrect positioning of the lock bolt relative to the striker on the pillar,
• irregular actuator operation,
• accelerated wear with frequent door opening and closing.

Selection, Installation, and Compatibility

The lock is designed for installation in the front right door of the Mercedes A‑Class W176 generation. When selecting parts, it's important to check compatibility with the vehicle's body and equipment to ensure proper cooperation with the central locking system and comfort electronics. Vehicle placement: front – right side is crucial, as left and right locks have different designs.

During installation, it is recommended to:

• check the condition of the door wiring harness and electrical connectors,
• inspect the alignment of the striker on the pillar,
• test the operation of the central locking system and handles after reassembling the interior trim.

Other Mercedes Doors and Door Panels

If you are also looking for 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 find complete body solutions tailored to your model.

For drivers interested in a broader perspective on automotive design evolution and the impact of part selection on vehicle operation, we recommend the article Legend of the Hot Hatch: Evolution of the VW Golf GTI from Mk1 to Mk8 – Design Changes and VW Car Parts, which discusses practical aspects of using used components and modernizing popular models.