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The term Mercedes 8PS identifies a small family of high-end cars produced between 1902 to 1903 by German automaker Daimler Motoren Gesellschaft to its brand Mercedes. 

Features and Profile

This family of vehicles consisted of three models introduced each one as a substitute and evolution. The first of these models, the 8/18 PS, was introduced to fill the gap left by the exit of 8/11 scene PS died in 1903. The 8/11 DP was created on a sheet steel frame printed with U-section. The suspensions were rigid axle with leaf springs, while braking the pedal brake acting on the transmission shaft and that it, through a system of rods excavator, was acting on the rear.

The transmission was to the cardan shaft with 4-speed gearbox.

The "heart" of the 8/18 HP was a 4-cylinder in-line from 1846 cm³ (70x120 mm), with a carburetor and Distributor side valve (L-shaped pattern with all valves on one side of the appliance). The maximum power output was 18 HP at 1800 rpm, sufficient to push the car to a maximum speed of 55 km/h.

The production of 8/18 HP lasted for two years: since 1912, in fact, the engine was slightly updated, moving to a maximum power of 20 KW. At the same time the name was changed to 8/20 HP and also had a slight performance increase, which resulted in a maximum speed of 60 km/h.

Within a year she was a new development: the 8/20 HP left the place at HP 8/22, a car that brought news of greater weight, first of all the new engine, rebore the previous and 2064 displacement cm³ (74x120 mm). The execution engine always side valve and camshaft side, operated a maximum of 22 HP at 1800 rpm. The maximum speed was in excess of 60 km/h.

The 8/22 career HP ended without other changes in 1921, and with it ended the career of the cars 8HP. There would be a direct heir of 8/22 HP: in 1921, after production of that model, the car lower end would have been the 6/25/40 PS, which was closest to the band and performance 12/32 HP. The model closer to 8/22 HP would be the Mercedes-Benz 8/38 HP, born in 1926.