1939 Mercedes-Benz 540 K Cabriolet A 15 January 2019 1939 Mercedes-Benz 540 K Cabriolet A Side Rear Sold for €1,581,250 (US $1,801,676) Estimate: €1,700,000 – 2,300,000 Auction: Bonhams Paris 2019 © Courtesy of Bonhams