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1955 Mercedes-Benz 300SL Coupé

Sold for: $664,692
Estimate: $553,990-$633,132

When the 300SL was debuted in New York in 1954, it was the first Mercedes to bypass Germany and be introduced in the United States. They sold for $6,820 at the time. This model, with a red leather interior and celebrated gull-wing doors, is one of only 1,400 built.

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Photo credit: RM Auctions