Bu-Merc. This is one of the earliest and historic American racecars. The car is a 1939 Buick Century chassis, Buick V8 engine, and the Mercedes SSK body. It was conceived and raced by Briggs Cunningham before World War II, therefore pre-dating even the SCCA, Watkins Glen, Ferrari, and just about everyone else in modern American road racing. In the first Watkins Glen race in 1948, Cunningham drove this car to 2nd place. It is one of the genuine old warhorses of American road racing.