Mercedes W470 Door Lock Latch Mechanism Actuator Rear Right O/S A4707300200

Mercedes W470 Door Lock Latch Mechanism Actuator Rear Right O/S is a precision locking mechanism designed for installation in the rear right section of the vehicle body. It offers stable door closing, proper cooperation with the central locking actuator, and secure retention of the door in the closed position, which translates into safe and predictable vehicle operation. This solution is dedicated to users who expect factory-fit and correct operation of the locking system.

Specifications and technical data

• SKU: A4707300200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4707300200
• Substitutable numbers: A4707300200, A 470 730 02 00
• Location on the vehicle: Rear, Right
• Category: Doors & Door Skins

Purpose and body fitment

The presented lock mechanism has been designed specifically for the rear right side of the body in Mercedes W470 series models. Its placement in the rear passenger-side door area ensures proper cooperation with the pillar structure, hinges, and factory wiring. As a result, the lock maintains the correct operating geometry, which reduces the risk of improper closing, looseness, or incorrect latching.

The component belongs to the Doors and door panels group, which means it is an integral part of the system responsible for the tightness, acoustics, and safety of the side body section. Using the correct lock in this area allows for maintaining factory door operating parameters, including closing force and cooperation with seals.

Construction and function of the lock mechanism

The mechanism combines a latching part and an actuator, responsible for automatic control of door locking and unlocking. The internal system of levers, pawls, and springs works with the handle, rods, and the vehicle's central locking system, ensuring:

• stable latching of the door in the closed position,
• smooth unlocking using the internal or external handle,
• correct response to signals from the remote control or central locking,
• proper door retention while driving, even at higher speeds.

A system configured in this way allows for maintaining consistency with the factory safety and comfort system, without the need for modifications to the installation or door structure.

Benefits of using an original door lock

Using an original lock in a Mercedes W470 brings a number of practical operational benefits. The most important include:

• Factory fitment – proper positioning relative to the striker in the pillar and compatibility with original rods and handles.
• Consistent operation with the central locking – correct locking and unlocking of all doors without delays or jamming.
• Reduction of noise and vibration – stable retention of the door in the closed position reduces rattling and resonance within the body.
• Hassle-free service – the mechanism is well-known in the service network, which facilitates diagnostics and potential adjustments.

The used component allows for an economical repair of the locking system while maintaining a design consistent with the manufacturer's solutions, which is particularly important in vehicles operated intensively or in difficult conditions.

Condition, installation, and service recommendations

The offered lock comes from a Mercedes vehicle and is classified as a used part, which enables cost-effective restoration of the rear right door's functionality. Before installation, it is recommended to perform a standard check of mounting points, rod settings, and cooperation with the pillar striker to ensure smooth closing and even pressure on the seals.

During installation, it is worth paying attention to:

• correct routing of the electrical harness to the actuator,
• adjustment of the lock position relative to the hinges and striker,
• checking the operation of internal and external handles after installation,
• verifying the response to remote control signals and door locking while driving.

Expanding repairs within the Mercedes door area

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 panels, reinforcements, or additional mounting elements, check the available parts in the Mercedes Doors and door panels category.

If you are also interested in the impact of other body and drivetrain components on acoustic comfort and vehicle performance, additional information on solutions used in cars of various brands can be found in the article: Performance exhaust system: used performance manifolds and catalytic converters on the road.