This might be the rarest Mercedes-Benz ever built.

The 1938 Mercedes-Benz 540 K Streamliner is truly one-of-a-kind, a single model concept that ended Mercedes pre-war era.

The Streamliners body was shaped and constructed in lightweight aluminum to a spec developed in a wind tunnel.

1938 Mercedes-Benz 540 K Streamliner 2

The 1938 Mercedes-Benz 540 K Streamliner is powered by an 8-cylinder turbocharged engine which produces 180 horsepower.

1938 Mercedes-Benz 540 K Streamliner 7

1938 Mercedes-Benz 540 K Streamliner 1

1938 Mercedes-Benz 540 K Streamliner 8

1938 Mercedes-Benz 540 K Streamliner 3

1938 Mercedes-Benz 540 K Streamliner 1

1938 Mercedes-Benz 540 K Streamliner 2

1938 Mercedes-Benz 540 K Streamliner 3

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1938 Mercedes-Benz 540 K Streamliner

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1938 Mercedes-Benz 540 K Streamliner 7

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1938 Mercedes-Benz 540 K Streamliner 9

1938 Mercedes-Benz 540 K Streamliner 6

1938 Mercedes-Benz 540 K Streamliner 5

1938 Mercedes-Benz 540 K Streamliner 4

1938 Mercedes-Benz 540 K Streamliner 3

1938 Mercedes-Benz 540 K Streamliner 8

1938 Mercedes-Benz 540 K Streamliner 1

1938 Mercedes-Benz 540 K Streamliner 7

1938 Mercedes-Benz 540 K Streamliner 2