Beginning in 1910, Mercedes offered their mid-range 7.2-liter cars with a more modern drive shaft system. This included it with the “cardan cars” that were named in honor of Gerolamo Cardano’s theories and the universal joint which made the drive shaft possible.
Also known as the 22/50PS, the 50HP was Mercedes mid-range 7.2-liter car that was only one step below the flagship 9.0-liter, 6-cylinder cars. Many were used by dignitaries and the model was regarded with high esteem after Mercedes won the French Grand Prix.
Some 7.2-liter cars were ordered on occasion with with chain-drive if the car was going to subject to rougher roads.