Mercedes C216 W221 Door Lock Cylinder Front Right O/S A2217600277

Mercedes C216 W221 front right door lock cylinder is an original locking mechanism component designed for installation in the driver's or passenger's right-side door of vehicles in this series. Its factory design ensures precise interaction with the key and consistency with the vehicle's original body locking system. This is a practical solution for replacing a damaged or worn lock cylinder in the front door.

Specifications and technical data

• SKU: RHD-A2218907267-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218907267
• Substitutable numbers: A2218907267, A 221 890 72 67, A2217600277, A 221 760 02 77
• Location on the vehicle: Front, Right
• Category: Door Handles

Intended Use and Function of the Component

The presented door lock cylinder is dedicated to C216 and W221 body types and operates in the front right door area. Its function is to mechanically transfer the movement of the key to the internal locking mechanism, allowing for manual opening and closing of the vehicle independently of the central locking or keyless entry system. The design, adapted to the specific mounting position on the vehicle, ensures proper alignment of the cylinder and correct interaction with the exterior door handle.

Construction and Body Fitment

The lock cylinder is designed to work with the factory door handle, allowing for the preservation of original operating ergonomics. The geometry of the housing and the arrangement of mounting tabs are adapted to the construction of the front right door. This ensures stable seating in the door panel and consistent mechanism operation after correct installation. Using an original solution minimizes the risk of play, jamming, and incorrect key positioning.

Application in the Door Handles Category

This component belongs to the Door Handles group, which includes parts responsible for operating the opening and closing of doors from the user's perspective. The lock cylinder acts as a link between the key and the locking mechanism, complementing the exterior door handle and providing the ability to open the vehicle in an emergency if there are issues with the electronics. Replacing a worn cylinder with a functional part restores proper lock operation without needing to interfere with the entire door structure.

Usage Characteristics and Installation

As a used part, this cylinder comes from a dismantled vehicle and is intended for reinstallation on the front right side. This type of component is most often chosen when the lock cylinder has suffered mechanical damage, seized up, or has problems with key rotation. Using an original part ensures consistency with the factory security system and avoids issues with door geometry compatibility.

When planning installation, pay attention to:

• correct alignment of the cylinder with respect to the exterior door handle,
• checking the operation of the locking mechanism after each installation phase,
• verifying the smoothness of key rotation after the component is secured in the door.

Technical Support and Parts Selection

For correct selection of the lock cylinder for a specific body version and year, it is advisable to use manufacturer markings and vehicle data such as the VIN. This allows verification of compatibility with the specific door configuration and avoids installation problems. In case of doubts regarding compatibility or the replacement procedure, specialized guides and service documentation may be helpful.

If you are planning a comprehensive repair or upgrade of the cabin access area in your Mercedes and need other parts from the same group, such as exterior handles, cylinders, or locking mechanisms, check the available parts in the Mercedes Door Handles category.

Additional information on the safe selection and installation of used components, including modules and sensors, is provided in the Global Parts guide – details can be found in the article Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?, which discusses the practical aspects of working with aftermarket parts.