Mercedes SLK R171 Door Lock Front Right O/S Latch Mechanism Actuator A1717202635

Mercedes SLK R171 Door Lock Front Right O/S Latch Mechanism Actuator is a precision locking mechanism designed for installation on the passenger side of the R171 body. This component from the Locks and latches group is responsible for securely closing the door, working in conjunction with the central locking actuator, and ensuring the proper operation of both the exterior and interior door handles.

Specifications and technical data

• SKU: rhd-A1717202635
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1717202635
• Substitutable numbers: A1717202635, A 171 720 26 35
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock is dedicated to the front right door of the Mercedes SLK R171 generation model. Its position in the front-right zone means that the mechanism works with the passenger door structure, ensuring proper locking, unlocking, and interaction with the vehicle's electrical system.

The component performs several key functions:

• mechanical locking of the door leaf to the body frame,
• transferring movement from handles and rods to the latch mechanism,
• working with the central locking actuator,
• ensuring a stable door position while driving.

Construction and technical characteristics

The mechanism combines a mechanical part with an integrated actuator, which allows the lock to be controlled both manually and via the central locking system or remote control. The design is matched to the geometry of the Mercedes SLK R171 door, ensuring that the correct positioning of catches, rods, and connectors is maintained.

As a component from the Locks and latches group, the lock has been designed for resistance to operational loads typical of a sports roadster door – frequent opening, closing, and operation in varying weather conditions.

Condition, fitment, and installation

The product is in used condition, which in practice means it comes from disassembly and may show signs of normal wear while maintaining the functionality required for further use. For proper selection, it is recommended to compare the lock design and the placement of connectors and mounts with the component currently installed in the vehicle.

During installation, it is worth paying attention to:

• proper seating of the lock in the door panel,
• correct connection of the electrical harness to the actuator,
• adjustment of the position relative to the pillar to ensure smooth closing,
• checking the operation of the handles and central locking after installation.

Why use an original Mercedes door lock

Using a dedicated lock for the Mercedes SLK R171 on the front right side allows for maintaining factory door fitment, proper locking geometry, and compatibility with the vehicle's electronics. A properly selected mechanism reduces the risk of problems with closing, hinge play, or improper operation of the central locking system.

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 locking mechanisms, actuators, or lock cylinders, check the available parts in the Mercedes Locks and latches category.

Practical service and maintenance tips

When replacing the lock, it is worth checking the condition of the door seals, window guides, and hinges – wear on these elements can affect the operation of the locking mechanism. After installation, it is recommended to check the operation of the lock several times using the key, remote control, and the interior central locking button to ensure that the actuator is working correctly with the vehicle's installation.

For drivers interested in a broader look at the operation of vehicle components, including those working with electronics and control systems, the guide on selecting and diagnosing drivetrain components may be helpful: Transmission: manual, automatic, or DSG – common faults and a guide to buying a used gearbox.