Mercedes-Benz S-Class W221 Rear Right O/S Door Lock Latch Mechanism A2217306635

Mercedes-Benz S-Class W221 Right Rear Door Lock is an original locking mechanism designed for the right rear side of the body. This component from the Locks and Latches group ensures proper door closing, locking, and unlocking, contributing to safe and stable vehicle use. This used OEM part is a solution for drivers who want to maintain the factory functionality and consistency of their Mercedes' locking system.

Specifications and technical data

• SKU: A2217306635
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217306635
• Substitutable numbers: A2217306635, A 221 730 66 35, KZ
• Location on the vehicle: Rear, Right
• Category: Exterior Locks & Lock Hardware

Purpose and Function of the Lock Mechanism

The presented lock mechanism is dedicated to the right rear side of the body in the Mercedes-Benz S-Class W221 generation. It is responsible for precise door locking, cooperation with the door handle, and the internal and external opening systems. A properly functioning lock in this area of the body is important for both the comfort of rear seat passengers and for safety during driving and when parked.

Construction and Technical Characteristics

The door lock mechanism has been designed by the vehicle manufacturer for a precise fit with the construction of the right rear door. The geometry of the mountings and the routing of rods and levers allow for correct cooperation with the factory door components, such as the handle, lock cylinder, or internal opening mechanism. This ensures the lock maintains the correct sequence of movements during opening and closing, as well as stable locking of the door leaf.

Original manufacturing translates to appropriate body rigidity, correct latch operation, and repeatable performance over a longer service life. The mechanism's design is prepared for operation under typical conditions of a premium car, considering frequent door opening and closing by rear cabin passengers.

Benefits of Using an Original Lock

Using the factory lock mechanism in a Mercedes-Benz S-Class W221 allows for the consistency of the entire vehicle's locking system. The original part ensures:

• proper locking and unlocking of the right rear door,
• compatibility with existing door components,
• stable cooperation with the factory opening system.

For the user, this means a reduced risk of problems with door closing, incorrect handle operation, or insecure locking of the door leaf. Choosing a used, original lock is often a cost-effective solution when the existing mechanism has become worn or mechanically damaged.

Condition, Fitment, and Service Application

The offered lock is a used part, allowing for economical repair of the locking system while maintaining factory specifications. The component is intended for installation in the right rear part of the body, so when planning replacement, it is important to pay attention to its correct placement on the vehicle. In practice, the mechanism can be used for both standard repairs after wear and tear, as well as for bodywork and painting after damage to the side of the body.

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

Support in Part Selection and Service Knowledge

Selecting the correct door lock for a specific body version and side of the vehicle is crucial for the proper functioning of the entire system. If you have doubts about fitment or configuration, it is advisable to consult additional guide materials. For broader repairs, including other body or interior components, information on sourcing original parts from a single location can be helpful – practical tips can be found in the article Comprehensive Sourcing: How to Assemble Used Car Parts in One Place.