Mercedes W221 Rear Door Lock Latch Mechanism Right O/S Assembly A2217306235

Mercedes W221 Rear Door Lock Latch Mechanism Right O/S Assembly is an original component from the Locks and latches category, designed for installation in the rear right section of the vehicle body. It ensures precise door locking operation, stable closing, and proper integration with factory safety and comfort systems in Mercedes vehicles.

Specifications and technical data

• SKU: A2217306235-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217306235
• Substitutable numbers: A2217306235, A 221 730 62 35
• Location on the vehicle: Rear, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function of the mechanism

The presented lock mechanism is responsible for the controlled opening, closing, and locking of the rear right door in the Mercedes W221 body. The component works with the factory handle system, linkages, and control wiring, ensuring the correct sequence of locking and unlocking the doors during daily vehicle operation.

Its placement in the rear right door area means the component has a direct impact on the comfort of rear-seat passengers as well as the sealing and safety of the side of the vehicle body.

Construction and fitment for Mercedes W221

The lock mechanism has been designed specifically for the door geometry of the Mercedes W221, which translates into proper positioning relative to the pillar, hinges, and seals. The appropriate arrangement of mounting points facilitates installation in place of the factory component, without the need for structural modifications.

The original origin from the Mercedes group means maintaining compliance with factory tolerances, which is essential for proper cooperation with the central locking system, comfort systems, and vehicle security features.

Condition of the component and practical aspects

The mechanism comes from the used parts segment, which allows for an economical replacement of a damaged lock while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for repairs of vehicles used intensively, where both functionality and rational service costs are important.

Using an original lock in good technical condition helps reduce the risk of problems with door closing, improper locking, or errors in the central locking system, which often appear with components of uncertain origin.

Benefits of using an original lock

• Better fitment to the door and pillar structure in the Mercedes W221.
• Stable operation of the locking and opening system in the rear right part of the vehicle.
• Consistency with factory comfort and safety systems.
• Reasonable repair cost due to the use of a used part with original specifications.

Comprehensive service for the lock zone in Mercedes

If you are planning a comprehensive repair or upgrade of the door and lock zone in your Mercedes and need other components from the same group, such as cylinders, latches, or additional door mechanisms, check the available parts in the Mercedes locks and latches category.

More information on choosing used parts

If you want to better understand how to consciously select used components for popular car models and what to look for when purchasing, check out our guide: The best used car parts – a guide to the most frequently chosen original parts.