Mercedes-Benz S W221 Front Left N/S Door Bottom Lower Hinge Obsidian Black 197

Lower front left door hinge for Mercedes-Benz S W221 in Obsidian Black Metallic 197 is an original body part from the Doors and door panels group, designed for precise installation on the driver's side. This is a practical solution for users who want to restore the correct door opening geometry and maintain color consistency with the factory body paint.

Specifications and technical data

• SKU: A2217201137-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217201137
• Substitutable numbers: A2217201137, A 221 720 11 37, EM
• Location on the vehicle: Front, Left
• Color: Obsidian Black Metallic - 197
• Category: Doors & Door Skins

Vehicle Purpose and Placement

The presented hinge is dedicated for installation in the front left door of the S-Class sedan, generation W221. Its placement at the lower part of the door on the driver's side ensures stable guidance of the door leaf, proper support during opening, and controlled range of motion relative to the body pillar.

This component is responsible for:

• maintaining the correct door position relative to the body,
• limiting excessive play and door sagging,
• smooth opening and closing within the original design axis.

Color and Paint Matching

The hinge is factory finished in the shade Obsidian Black Metallic – 197, which facilitates matching with a body of the same color without the need for additional painting of the entire component. The metallic paint finish is consistent with the factory color palette used in S-Class W221 models, allowing for a cohesive, aesthetic appearance of the door area after repair.

In case of accident repairs or door geometry correction, using an original hinge in the appropriate color limits the scope of bodywork and painting and helps maintain a uniform paint coating structure.

Construction Characteristics

The lower door hinge belongs to the group of load-bearing elements within Doors and door panels, transferring loads resulting from the door leaf's weight and frequency of use. The hinge's construction is adapted to the specific characteristics of the S-Class W221 body, taking into account:

• mounting geometry to the pillar and door skin,
• appropriate range of motion in horizontal and vertical planes,
• maintaining rigidity during multiple opening and closing cycles.

As an original part, the hinge ensures proper fit with factory mounting points, which facilitates setting the gaps between the door and the fender and sill, and reduces the risk of leaks or edge rubbing.

Condition and Service Application

The product comes from the used parts segment, allowing for economical repair of the door area while maintaining the original manufacturer's specifications. This type of component is particularly useful for:

• repairs after side collisions,
• correcting sagging doors,
• body renovation in intensively used vehicles.

Using an original hinge from disassembly allows for maintaining the factory door operation characteristics, without the need to adapt aftermarket parts with different geometry or material hardness.

Integration with Other Body Elements

The lower hinge works in conjunction with the upper door hinge, lock, door check, and door skin, forming a complete system responsible for comfortable and predictable operation of the driver's door. A correctly selected and installed component influences:

• precise door closing without excessive force,
• stable guidance of the door leaf when fully open,
• reduced load on the lock and seals.

This solution is particularly important in premium vehicles where a high level of door mechanism operation and durability during daily use is expected.

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

For drivers interested in optimizing service costs and using proven used parts for other repairs, an article describing the evolution of powertrains and the impact of component selection on the operating budget may be helpful – find more information in the material Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs.