Mercedes R171 Front Lock Cylinder Latch Handle Barrel Right O/S A1718900867

Mercedes R171 Front Lock Cylinder Latch Handle Barrel Right O/S is an original component from the Locks and Latches group, designed for installation in the front passenger side area. It enables the proper operation of the door locking and unlocking mechanism, ensuring a stable connection between the handle and the central locking system. This is a practical service solution for users who want to restore the full functionality of the factory door opening system in their Mercedes.

Specifications and technical data

• SKU: RHD-A1718900867
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1718900867
• Substitutable numbers: A1718900867, A 171 890 08 67
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function of the component

The described handle lock is dedicated to installation in the front, right part of the bodywork, where it is responsible for interacting with the external door handle. Its task is to transfer movement from the handle to the locking mechanism, which translates into smooth opening and closing of the passenger side door.

This component is particularly important in vehicles experiencing issues with incomplete door opening, lack of response when pulling the handle, or unstable operation of the lock mechanism. Replacing it with an original handle lock allows for the restoration of the system's factory operating parameters.

Construction and body fitment

As a part from the Locks and Latches group, the handle lock is structurally matched to the geometry of the front right door in the R171 body. The body shape, mounting points, and the method of connection with the rods and handle are prepared for the factory solutions used by the manufacturer.

Such fitment facilitates service installation – the component can be seated in the place of the factory handle lock without the need for bodywork modifications or interference with the door structure. As a result, the structural integrity of the bodywork and proper cooperation with other locking system components are maintained.

Benefits of using an original handle lock

Using an original handle lock in a Mercedes R171 brings a number of practical operational benefits:

• Stable mechanism operation – correct transfer of movement from the handle to the door lock, without delays or jamming.
• Proper fitment with the door – matched mounting points and geometry consistent with the factory design.
• Compatibility with the existing system – cooperation with the factory door lock and central locking system.
• OEM-compliant service solution – the ability to restore original functionality without modifying the installation.

Operational characteristics and installation

The component is intended for installation in the front area on the right side of the vehicle, which is important when planning service work and selecting parts. Proper placement on the vehicle makes it easier for the mechanic to identify the component and reduces repair time.

As a used part, the handle lock is a reasonable choice for users who want to combine original fitment with a cost-effective repair. With proper installation, it is possible to achieve repeatable, predictable operation of the door opening mechanism, consistent with the manufacturer's specifications.

Integration with other door lock components

The front right handle lock works with other components of the door locking system – the door lock, rods, external handle, and any additional control elements. A correctly selected and installed component allows for maintaining the consistency of the entire system's operation, which translates into the comfort of daily vehicle use.

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

For drivers who are simultaneously servicing comfort systems, including cabin heating and cooling, a guide on the selection and maintenance of air conditioning and heating components may be helpful – you can find it in the article Air conditioning and heating – part selection and maintenance for year-round comfort.