Spa 1958 Mercedes-Benz 300 SL Roadster 1958 Mercedes-Benz 300SL Roadster (estimate: €600,000-800,000) Auction: Bonhams Spa 2017 © Bonhams Home » European » 2017 Bonhams Spa Classic Car Sale (Swiss Collection Announcement) » Spa 1958 Mercedes-Benz 300 SL Roadster