Mercedes W221 Seat Belt Rear Centre Middle Seatbelt Buckle Black A2218600585

The Mercedes W221 Rear Center Seat Belt Buckle is an original safety system component designed for installation in the central rear seat position. Its black color ensures an aesthetic match with the factory interior, and its construction, compliant with manufacturer standards, guarantees proper cooperation with the seat belt.

Specifications and technical data

• SKU: A2218600585-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218600585
• Substitutable numbers: A2218600585, A 221 860 05 85
• Location on the vehicle: Rear
• Color: Black
• Category: Seat Belts & Parts

Application and Function in the Mercedes W221

The center seat belt buckle is responsible for securely fastening the belt in the rear center seat, which is crucial for passenger safety. This component works in conjunction with the factory seat belt, allowing for correct tensioning and locking of the webbing according to Mercedes' design specifications.

Its rear placement makes this component particularly important in situations where the rear seat is frequently used, such as in family cars or vehicles used for passenger transport. A properly functioning buckle directly impacts the effectiveness of the seat belt system during sudden braking or collisions.

Construction, Color, and Interior Integration

The presented seat belt buckle is finished in black, facilitating integration with the typical upholstery and plastic elements of the Mercedes S-Class W221 interior. This neutral color minimizes the visibility of wear and tear and helps maintain a cohesive, understated look for the rear seat.

The component is designed as part of the seat belt system and integrates with the factory body mountings. This allows for the preservation of the original belt routing geometry and the correct anchoring point, which is significant for the distribution of forces acting on the passenger's body.

Condition, Origin, and Benefits of Using a Used Part

The offered seat belt buckle is a genuine Mercedes part in used condition. In practice, this means it retains its factory construction, is compatible with the vehicle's safety system, and is tailored to the specific W221 generation. A used part offers an attractive cost-effective alternative to a new component while maintaining the original manufacturer's specifications.

For users considering the choice between new, aftermarket, and used parts, the following article discussing the cost-effectiveness of each option may be helpful: Original, Aftermarket, or Used Car Parts – What to Choose for Cost and Quality.

Safety, Diagnostics, and Operation

A functional seat belt buckle is one of the key passive safety elements of a vehicle. In case of any issues with fastening, looseness, or releasing the belt, it is recommended to replace the component immediately with a functional equivalent. Installation should be performed adhering to the torque specifications and procedures recommended by the vehicle manufacturer.

In the context of general diagnostics for systems responsible for vehicle control and handling, it is worth familiarizing yourself with the following guide: Steering System and Power Steering – How it Works and What Fails. Although it concerns a different system, it effectively illustrates the approach to assessing the condition of key automotive components.

Other Seat Belts and Parts for Mercedes

If you are looking for other items in the category of seat belts and Mercedes parts, check out the available products in our catalog: Mercedes Seat Belts and Parts. This will allow you to easily select compatible components for your model, maintaining the integrity of the safety system throughout the vehicle.