Side Door Lock Mercedes W901 Rear Left Sliding Door N/S Latch Mechanism Actuator

Side Door Lock Mercedes W901 Rear Left Sliding Door N/S Latch Mechanism Actuator is a precision component from the Locks and Latches category, designed for the rear left section of the vehicle body. It ensures secure locking of the sliding door, stabilizes its position during driving and parking, and contributes to the daily comfort of operating a Mercedes commercial vehicle.

Specifications and technical data

• SKU: A9017301035
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9017301035
• Substitutable numbers: A9017301035, A 901 730 10 35
• Location on the vehicle: Rear, Left
• Category: Exterior Locks & Lock Hardware

Purpose and technical function

The presented lock is dedicated to the rear left part of the vehicle, where it is responsible for the mechanical locking of the sliding door. The design, adapted to the Mercedes W901 platform, allows for proper interaction with guides, handles, and the opening mechanism, which translates into smooth closing and stable retention of the door in the closed position.

The component has been designed to withstand the loads resulting from frequent opening and closing of doors in commercial vehicles, while maintaining the correct geometry of the catches and mounting points. As a result, the lock helps maintain body tightness and reduces unwanted play and noise while driving.

Benefits of using an original lock

Using a lock dedicated to a specific position on the vehicle allows for maintaining the factory fit of the sliding door. The appropriate geometry of the mechanism translates into:

• proper engagement of the latches with body components,
• stable retention of the door in the closed position,
• reduced risk of accidental opening due to vibrations and load,
• more even wear of guides and hinges.

For vehicles used in goods transport or service operations, this has a direct impact on the safety of the transported cargo and the convenience of the user. Dedicated fitment for Mercedes reduces the need for modifications and shortens installation time.

Characteristics of the used component

The offered lock comes from the group of used parts, which represents a reasonable compromise between cost and functionality. This type of component is particularly attractive for heavily used vehicles, where quick restoration of efficiency while maintaining appropriate build quality is essential.

Choosing a used sliding door lock allows for cost reduction while maintaining compatibility with the factory body structure. This solution is often preferred in workshops specializing in the maintenance of commercial fleets, where installation repeatability and predictable mechanism operation are valued.

Professional installation and fitment

To fully utilize the potential of this component, installation by a person with experience with Mercedes W901 bodies is recommended. Correct adjustment of the lock relative to the sliding door guides and hinges affects:

• smooth operation of the handle and sliding mechanism,
• even closing along the entire height of the door,
• reduction of stress on sheet metal and mounting elements.

After installation, it is worth adjusting the door position and performing a multiple opening and closing test to ensure that the locking occurs repeatedly and without jamming. A correctly selected and installed lock significantly improves the daily comfort of vehicle operation.

Expanding the locking system in your Mercedes

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

More about the cost-effectiveness of used parts

If you want to better evaluate when choosing a used component is economically and technically justified compared to a new part or a replacement, the following article will be helpful: Original, replacement, or used – which car parts are the most cost-effective?. There, you will find a comparison of costs, quality, and tips on selecting components by OEM numbers.