Mercedes W221 Door Bottom Lower Hinge Rear Right O/S Black A2217301237

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W221 Door Bottom Lower Hinge Rear Right O/S Black is a precision component from the Doors and door panels group, designed for the rear right side of the vehicle body. It enables stable operation of the door leaf, ensuring proper guidance, a controlled opening angle, and secure closing. The black color of the hinge allows for aesthetic integration into the door structure without interfering with the vehicle's styling.

Specifications and technical data

• SKU: A2217301237
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217301237
• Substitutable numbers: A2217301237, A 221 730 12 37
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Doors & Door Skins

Purpose and function in the vehicle

The presented hinge is dedicated to installation in the rear right part of the body, in the area where the door attaches to the pillar. It is responsible for:

• maintaining the correct geometry of the door relative to the bodywork,
• smooth opening and closing of the door leaf,
• reducing unwanted play in the mounting area,
• stable load transfer resulting from the weight of the door and its operation.

Thanks to its fitment to the W221 model design, the hinge works with factory mounting points, which facilitates installation and helps maintain the original body line.

Construction, color, and fitment

The black rear right lower door hinge is a structural component operating on the door opening axis. The black coating promotes a discreet appearance in the sill and pillar area, while also facilitating visual inspection for any signs of corrosion or mechanical damage.

The element has been designed as a part from the Doors and door panels group, which means its geometry, mounting hole spacing, and operating angle are adapted to the factory door construction of the given model. Such fitment reduces the need for additional modifications and allows for efficient replacement in workshop conditions.

Performance characteristics and application benefits

Using an original hinge in the rear right part of the body allows for restoring proper door operation after mechanical damage, operational wear, or bodywork interventions. Key benefits include:

• maintaining proper alignment of the door edges with the fender and pillar,
• reducing door leaf sagging and the resulting closing problems,
• limiting stress on the lock and seals, which promotes their durability,
• more predictable door operation in daily use.

The used nature of the part allows for economical repair while maintaining the original hinge construction, which is particularly important for premium class vehicles.

Selection, installation, and service aspects

When selecting a hinge for a specific vehicle, it is worth verifying compatibility with technical documentation and manufacturer markings to ensure a full fit for the rear right side of the body. During installation, it is recommended to:

• check the condition of the mounting surfaces on the pillar and in the door,
• verify operating clearances after initial tightening,
• adjust the door position in the vertical and horizontal planes,
• test multiple opening and closing cycles after completing the work.

This approach allows for a stable door setting, minimizing the risk of subsequent corrections and service complaints.

Door system expansion and technical knowledge

If you are planning a comprehensive repair or modernization of the door area in your Mercedes and need other elements from the same group, such as skins, reinforcements, or additional structural components, check the available parts in the Mercedes Doors and door panels category.

For users interested in deepening their knowledge about selecting used components and the impact of structural elements on vehicle handling, the article Standard vs. sports suspension – differences in construction and is it worth buying used suspension parts? may be useful, as it discusses practical aspects of operation and part selection based on technical parameters.