1938 Mercedes-Benz 320 Cabriolet 1938 Mercedes Benz 320 Cabriolet estimate: $525,000 – $600,000 Auction: Bonhams Quail Lodge 2017 © Bonhams Home » USA » California » Quail Lodge » 2017 Bonhams Quail Lodge Sale Auction Preview » 1938 Mercedes-Benz 320 Cabriolet