Mercedes R170 Door Lock Latch Mechanism Actuator Right O/S A1707200435

Mercedes R170 Door Lock Latch Mechanism Actuator Right O/S is a precision locking mechanism designed for installation on the passenger side. This component is responsible for securely locking and unlocking the door, working in conjunction with the door handle and central locking system to ensure safe and predictable operation of the locking system in your Mercedes.

Specifications and technical data

• SKU: rhd-A1707200235
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: rhd-A1707200235
• Substitutable numbers: A1707200335, A 170 720 03 35
• Location on the vehicle: Right
• Category: Exterior Locks & Lock Hardware

Purpose and function of the right-side door lock

The presented lock mechanism is dedicated to the right side of the vehicle body, meaning its geometry, mounting points, and method of interaction with the rods and handle are optimized specifically for this position. As a result, the lock works correctly with the factory opening mechanism, cylinder, and any central control system, maintaining the proper sequence of locking and unlocking.

As a component from the Locks and latches group, this mechanism is responsible for:

• mechanically locking the door in the closed position,
• transferring movement from the external and internal handles to the lock pawls,
• working with the actuator or central locking system,
• maintaining a stable door position while driving.

Construction and technical characteristics

The right-side door lock mechanism in the Mercedes R170 is based on a system of pawls, levers, and rods that must operate with appropriate precision to ensure smooth opening and closing. The design provides for compatibility with factory door mounts, which facilitates installation and allows for maintaining the original line of operation for the handle and cylinder.

The internal mechanical system is designed to reduce operating play and ensure repeatable locking, which translates into stable door closing without the need for excessive slamming. The applied design solutions are typical for original Mercedes components, which promotes compatibility with the vehicle's factory installation.

Condition, fitment, and installation

The offered lock comes from a used vehicle, which allows for maintaining consistency with the factory solutions used in the given model. This type of component is particularly useful when replacing a damaged lock that causes problems with closing, locking, or interacting with the central locking system.

Selecting the correct lock for a specific Mercedes unit is facilitated by the presence of the OEM part number and interchangeable numbers in the technical specification – this allows for precise verification of compatibility with your car. Installation involves removing the door trim, disconnecting the rods and connectors, and then installing the mechanism in the factory mounting points, which allows for maintaining the original functionality of the system.

Benefits of using an original Mercedes door lock

Using an original mechanism from the Locks and latches group in the Mercedes R170 allows for maintaining the structural integrity of the door and the predictable operation of the locking system. In practice, this means:

• proper locking and unlocking of the passenger-side door,
• maintaining compatibility with the factory central locking system,
• reducing the risk of the door not closing properly or opening accidentally while driving,
• easier diagnostics of potential future faults.

For the user, this translates into convenience of door operation and maintaining the proper level of passive safety resulting from a correctly functioning locking system.

Expansion of the locking system and additional information

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

If you are simultaneously working on improving the engine performance and exhaust flow in your car, practical tips regarding the selection of used exhaust system components may be useful – more information can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road.