Benz 100 hp "Prince Heinrich" car, 1910 / 1911
The Prince Heinrich tours were established by motoring enthusiast Prince Heinrich of Prussia in 1907. Fritz Erle was the winner in the very first event in 1908. In the 1910 Prince Heinrich Tour, Erle came in 5th in his 50 hp Benz. A 100 hp Benz was designed specially for the Prince Heinrich tours in 1910 this was the first Mannheim car to be equipped with four-valve technology, but it did not make it into the winners' lists. The last Prince Heinrich Tour took place in 1911.