Mercedes W221 Rear Left N/S Seat Belt Beige A2218601185

Mercedes W221 rear left seatbelt in black is an original part from the seatbelts and parts category, designed for installation on the rear left side of the vehicle. The product comes from dismantling, making it a functional and economical solution for owners of Mercedes S-Class W221 generation who want to restore the full functionality of the passenger safety system.

Specifications and technical data

• SKU: A2218601185-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218601185
• Substitutable numbers: A2218601185, A 221 860 11 85
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Seat Belts & Parts

Intended Use and Fitment for Mercedes W221

The presented Mercedes W221 rear left seatbelt has been specifically designed for the body structure of this S-Class generation. Its placement on the rear left side of the vehicle ensures proper belt guidance, correct operation of the retractor mechanism, and compatibility with the factory mounting points in the body.

Original Mercedes origin means that the geometry of the mountings, belt length, and locking mechanism characteristics are in line with the manufacturer's original specifications. This ensures the belt works seamlessly with the vehicle's standard seats, upholstery, and passive safety systems.

Technical and Functional Characteristics

The rear left seatbelt is a crucial component for the protection of the passenger in that position. Its construction includes:

• Retractor Mechanism – responsible for smooth belt extension and retraction, and its locking during sudden acceleration or braking.
• Safety Belt Webbing – with appropriate width and fiber structure, designed to withstand loads during a collision.
• Factory Mounting Points – ensuring a stable connection to the body structure and maintaining the load path intended by the manufacturer.

The black color facilitates integration with most W221 interior configurations, especially in vehicles with dark upholstery. This ensures the component does not disrupt the cabin's stylistic coherence and allows for an aesthetically pleasing restoration of the original appearance.

Practical Application and Benefits of Installation

Installing an original rear left seatbelt in a Mercedes W221 is particularly important in cases of:

• Post-Accident Repairs – when the factory belt activated during a collision or was mechanically damaged.
• Wear and Tear Damage – belt fraying, locking or retraction issues that affect user safety.
• Restoring Full Interior Functionality – e.g., after removing upholstery elements or upgrading seats.

Using a used, original part allows for maintaining the factory operating parameters of the safety system while reducing costs compared to a new part from an authorized dealer.

Why Choose a Used Original Mercedes Seatbelt

Choosing an original seatbelt from dismantling is a sensible compromise between quality and service cost. The component originates from a Mercedes vehicle, meaning factory design and material standards are maintained. Used OEM components are often preferred by workshops specializing in the brand because they:

• ensure proper fitment to the body and seat structure,
• maintain predictable performance of the passive safety system,
• reduce repair time due to direct installation without modifications.

If you want to better understand why original parts from dismantling are a cost-effective solution for premium car owners, it's worth reading the article used parts for Mercedes – original parts from dismantling, which discusses this topic in more detail.

Other Mercedes Seatbelts and Parts

If you also need other components from the Mercedes seatbelts and parts category for your car, check out our dedicated offer: Mercedes seatbelts and parts. There you will find a wide selection of original parts from dismantling, which will allow you to comprehensively supplement or restore the safety system in your vehicle.