60 hp
The Mercedes-Simplex 60 hp features F-head inline four-cylinder 9.2-liter (9,235cc) producing 60 horsepower at 1,600 rpm with 140mm bore and 150mm stroke through four-speed gated H-pattern manual transmission and dual-chain rear-wheel-drive achieving 80 mph top speed, with 2,750mm wheelbase extended 300mm over 40 hp model improving driving stability. State-of-the-art 1903 chassis features low center of gravity, scroll-type clutch, honeycomb radiator, cross-braced pressed-steel U-profile frame, rigid axles with semi-elliptical springs, and water-cooled brakes on rear wheels plus transmission output shaft.
Mercedes-Simplex 60 hp establishes legendary status through July 1903 Gordon Bennett race victory with Camille Jenatzy averaging 49.2 mph over 327.5 miles, demonstrating technical superiority of early Mercedes engineering under Wilhelm Maybach design leadership. Production of 102 chassis with only four surviving examples creates extreme rarity among pioneering automotive achievements, representing transition from horseless carriage philosophy toward purpose-designed racing automobile methodology establishing Mercedes brand reputation for engineering excellence and motorsport success continuing throughout company history.