Mercedes W910 Front Door Lock Actuator Mechanism Front Right O/S A9077200400

Mercedes W910 Front Door Lock Actuator Mechanism Front Right O/S is an original component from the Locks and Latches group, designed for precise locking and unlocking of the driver or passenger door from the outside. This used, factory-original lock ensures proper integration with the vehicle's electrical system and central locking system, maintaining the design specified by the manufacturer. It is a solution for users who expect compatibility with the W910 series bodywork without the need for modifications.

Specifications and technical data

• SKU: RHD-A9077200400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9077200400
• Substitutable numbers: A9077200400, A 907 720 04 00
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and vehicle placement

The presented lock mechanism is dedicated for installation in the front right door of Mercedes W910 series vehicles. The placement on the right side ensures a perfect fit for the specific door geometry, guides, rods, and mounts, which is crucial for the correct operation of the handle, latch, and central locking actuator.

The component has been designed as part of the body security system, responsible for:

• mechanical locking and unlocking of the door,
• transferring movement from the external and internal handle,
• integration with the central locking electrical system,
• stable retention of the door in the closed position while driving.

Technical and functional characteristics

The Mercedes W910 Front Door Lock Actuator Mechanism Front Right O/S belongs to the Locks and Latches group, meaning it is structurally prepared to operate in demanding conditions – with frequent door opening and closing and variable mechanical loads. As an OEM component, it maintains the correct mounting points, geometry for cooperation with the door panel, and appropriate sockets for rods and connectors.

Key functional features include:

• factory fitment for the front right door structure,
• designed for compatibility with the factory central locking system,
• preservation of the manufacturer-specified latch operating characteristics,
• possibility of installation in place of a damaged lock without interfering with the door structure.

Benefits of using an original door lock

Using an original lock mechanism in a Mercedes W910 allows for maintaining the integrity of the vehicle's security system and proper cooperation with the body electronics. The factory design minimizes the risk of issues with door closing, latch play, or incorrect central locking operation. For workshops and users, this means shorter installation time and fewer potential adjustments after replacement.

A used OEM component is particularly beneficial in situations where the priority is to maintain the original vehicle specification while optimizing repair costs. This allows for restoring full functionality to the front right door without compromising the build quality characteristic of the Mercedes brand.

Professional installation and practical application

The Mercedes W910 Front Door Lock Actuator Mechanism Front Right O/S should be installed in accordance with the manufacturer's service procedures, which include proper rod alignment, handle operation checks, and verification of the central locking system after reassembling the door trim. A correctly installed lock ensures stable closing, uniform resistance when opening, and consistent locking during daily use.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other components from the same group, such as cylinders, latches, or additional door mechanisms, check the available parts in the Mercedes Locks and Latches category.

Technical support and part selection

When performing body repairs after collisions or intensive use, it is worth paying attention to the condition of other door elements – hinges, guides, seals, and other locking system components. It is good practice to combine the replacement of the lock mechanism with a check of the door geometry and adjustment of its position relative to the body, which translates into user comfort and cabin sealing.

Additional information on how to consciously select used OEM components for body and chassis repairs can be found in the article Bodywork and chassis – post-accident repairs using dismantled parts, which discusses practical procedures, examples of applications, and the most frequently asked questions related to such repairs.