Kompressor (stylized as KOMPRESSOR) is a marketing name for forced induction (supercharged) Mercedes-Benz engines. The term is not widely used by other motor manufacturers.
The first Mercedes supercharger was developed in 1921 by a Daimler-Benz team with assistance from Ferdinand Porsche.[1] Mercedes became the first manufacturer to install superchargers on some production models.[2][3][4] The designation "K" on Mercedes usually means "Kurz", or short, but can mean "Kompressor".[5]
^A Complete Guide to Street Supercharging - Page 21 Pat Ganahl - 2009 One of the first companies to use superchargers for automobiles in Germany was Daimler (which made the Mercedes cars, later to merge with Benz in 1926). With the assistance of Dr. Porsche, who worked for Daimler at the time, ...
^Standard Catalog Of Mercedes-Benz - Page 12 Jim Luikens, Mary Hedberg - 2009 -"Early in the 1920s, Daimler (Mercedes) became the first manufacturer to install a supercharger on a production model. Supercharging was first used on the 6/25/40 1.6-liter four and also on the 10/40/65 2614 cc engine.
^Alan Allard - Turbocharging & supercharging 1986 "As a result of this success with their first supercharged model, Mercedes designed a supercharged 1 '/j-litre sports car which competed in the 1922 Targa Florio. All the early Mercedes supercharging systems employed a roots-type blower, ..."
^Jeff Hartman - Supercharging Performance Handbook - Page 9 2011 "In 1921, a supercharged 28/95 Mercedes developed by a Daimler team with assistance from Ferdinand Porsche ... "
^Mercedes-Benz - Page 1922 Dennis Adler - 2008 "A car with a "K" suffix can also denote a supercharger, which is the more common usage.) First seen in 1927, the S series models were the first all-new cars to come from Daimler-Benz (although the cars would be called Mercedes- Benz)."