They were distinguished as “Kompressor” models, the origin of the Mercedes-Benz badging which continues today. Both models were introduced in 1921 and had Roots superchargers. The world’s first series-produced cars with superchargers were Mercedes 6/25/40 hp and Mercedes 10/40/65 hp. An early supercharged race car was built by Lee Chadwick of Pottstown, Pennsylvania in 1908 which reportedly reached a speed of 100 mph (160 km/h). Louis Renault patented a centrifugal supercharger in France in 1902. Gottlieb Daimler received a German patent for supercharging an internal combustion engine in 1885. The world’s first functional, actually tested engine supercharger was made by Dugald Clerk, who used it for the first two-stroke engine in 1878. In 1860, brothers Philander and Francis Marion Roots, founders of Roots Blower Company of Connersville, Indiana, patented the design for an air mover, for use in blast furnaces and other industrial applications.
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