Description
Visual condition of the part
The product shows signs of use visible in the photos.
Mercedes R172 Seatbelt Retractor Front Right O/S Seat Belt Black is an original factory-fitted component designed for the front passenger side (O/S). This used sub-assembly ensures the proper safety function for passengers while allowing for a cost-effective repair of the passive safety system. Thanks to its precise fit to the body structure, installation is predictable and straightforward, with no need for mounting modifications.
Specifications and technical data
- SKU: A1728603085
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A1728603085
- Substitutable numbers: A1728603085, A 172 860 30 85
- Location on the vehicle: Front, Right
- Color: Black
- Category: Car Stereos & Head Units
Purpose and technical function
The offered seatbelt retractor is a component designed for the front right side of the vehicle. The integrated retractor mechanism is responsible for the controlled tensioning and release of the seatbelt webbing, as well as locking it during sudden changes in speed or direction. The black seatbelt webbing blends harmoniously into typical Mercedes interior configurations, making it easy to maintain a consistent cabin aesthetic.
Construction and vehicle fitment
The component has been designed as part of the safety system for a specific body generation, taking into account the geometry of the pillar, seat, and mounting points. Proper webbing guidance and the operating angle of the retractor reduce the risk of the belt twisting and improve daily comfort. The black color of the webbing is standard in many equipment configurations, which facilitates visual matching with the upholstery and other interior elements.
Condition, verification, and service application
The item comes from dismantling and is offered as a used part, which allows for reduced repair costs while maintaining the manufacturer’s original specifications. This type of retractor is suitable for replacing a damaged seatbelt after a collision, a failure of the retractor mechanism, or in situations where the existing element shows excessive wear. Proper selection of the component for the specific body version and equipment is crucial for maintaining the full functionality of the safety system.
Interior integration and user comfort
The Mercedes R172 Seatbelt Retractor Front Right O/S Seat Belt Black allows for a consistent, understated cockpit look without color contrasts. The proper operating characteristics of the mechanism contribute to the comfort of daily buckling and unbuckling, as well as stable belt guidance while driving. Original Mercedes branding ensures proper fitment with plastic covers, guides, and factory mounts.
Mercedes head units – multimedia zone expansion
If you are planning a comprehensive repair or upgrade of the multimedia zone in your Mercedes and need other elements from the same group, such as head units, control panels, or audio control modules, check out the available parts in the Mercedes head units category.
More about used electronics and components
When planning a repair or upgrade of your vehicle, it is worth approaching the choice of used components consciously, especially in the area of electronics and control modules. To better understand when it is worth opting for second-hand parts and how to assess their suitability, read our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?





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