In 1902, in the United States, a Mercedes Simplex won the 5-mile track race at Grosse-Pointe, Detroit

The original 1902 wheels were wooden, with 12 non-removable spokes and pneumatic tires. Later, in 1905, the Mercedes Simplex pioneered cast-steel wheels.

In 1902, in the United States, a Mercedes Simplex won the 5-mile track race at Grosse-Pointe, Detroit