Mercedes W221 Door Lock Latch Mechanism Actuator Front Right O/S A2217208235

Mercedes W221 Front Right Door Lock is a factory locking mechanism designed for installation in the front right door of the body. This component from the Locks and Latches group is responsible for precise locking, unlocking, and cooperation with the door opening system, ensuring safe and predictable operation of the driver's or passenger's door on the exterior side.

Specifications and technical data

• SKU: RHD-A2217208235
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217208235
• Substitutable numbers: A2217208235, A 221 720 82 35
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Vehicle Application and Placement

The presented lock mechanism is dedicated for installation in the front right door of the Mercedes S-Class W221 generation. Its placement on the exterior side of the door means it is responsible for interacting with the handle, rods, and the electrical system controlling the locking.

This precise fit for a specific body position minimizes the risk of installation issues and maintains the factory geometry of the mechanism's operation, which translates to proper door closing and opening during everyday use.

Technical and Functional Characteristics

The front right door lock mechanism for the Mercedes W221 is an integrated construction, combining the mechanical part with elements responsible for controlling the locking. This solution enables:

• stable door locking when closing from the outside and inside,
• cooperation with the vehicle's factory opening and closing system,
• correct response to signals from door handles and rods,
• maintaining the correct position of the door leaf relative to the body when closed.

Thanks to a design consistent with solutions used by the vehicle manufacturer, the lock maintains its proper operating characteristics, which is important for user comfort and the durability of the entire door system.

Benefits of Using an Original Door Lock

Choosing an original door lock for the Mercedes W221 offers a range of practical benefits for everyday vehicle operation:

• Factory Fit – maintaining the correct door position, no need for modifications to mounts or rods.
• Compatibility with Existing System – proper cooperation with other door components, such as handles, guides, and seals.
• Stable Mechanism Operation – predictable locking and unlocking, which reduces the risk of doors not closing properly or opening accidentally.
• Optimal Performance – maintaining operating characteristics consistent with the vehicle manufacturer's specifications.

Item Condition and Service Application

The offered front right door lock is a used part, making it an attractive solution for maintenance repairs and restoring the functionality of the door opening system in the Mercedes W221. This type of part allows for an economical replacement of a damaged mechanism while maintaining the factory construction and mounting geometry.

In practice, the lock is suitable for both typical repairs due to wear and tear, as well as for bodywork and painting jobs where door elements need replacement after a collision or structural intervention.

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

How to Wisely Use Used Parts

When choosing a used door lock for your Mercedes, it is advisable to approach car servicing and operating costs consciously. A practical discussion on how to optimally use second-hand parts and what to look for when buying can be helpful to combine savings with functionality. More information can be found in the article Rising Repair Costs and the Boom in Used Parts – How to Save on Car Servicing?.