1955 Mercedes-Benz 300SL Gullwing CoupeMatching-Numbers 1955 Mercedes-Benz 300SL Gullwing CoupeBarrett-Jackson Scottsdale 2022 auction© Barrett-JacksonHome » USA » 2022 Barrett-Jackson Scottsdale Sale (300 SL Gullwing Announcement) » 1955 Mercedes-Benz 300SL Gullwing Coupe