1955 Mercedes-Benz 300 SL Gullwing 15 December 2019 1955 Mercedes-Benz 300 SL Gullwing SOLD for $1,270,000 (Est. $1,150,000 – $1,300,000) Auction: RM Sotheby’s Arizona 2020 during Scottsdale Week Jasen Delgado ©2019 Courtesy of RM Sotheby’s