1928 Mercedes Benz 26/120/180 Type S Sports 4 29 July 2017 1928 Mercedes Benz 26/120/180 Type S Sports 4. NOT SOLD Estimate: $3,500,000 – $4,000,000 Auction: RM Sotheby’s Monterey 2017 David Bush ©2017 Courtesy of RM Sotheby’s