The Mercedes-Benz W 142 was a six cylinder passenger car launched in February 1937, as a successor to the Mercedes-Benz Typ 290 (Mercedes-Benz W 18). The car was launched using the name Mercedes-Benz Typ 320, but is in retrospect commonly referred to using its Mercedes-Benz works number, “W142”.
Mercedes-Benz W142 - Wikipedia
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1938, Mercedes-Benz 320 Cabriolet B