Mercedes-Benz has sold a number of automobiles with the "400" model name:

  • 1926–1929 Type 400 (1924–1926 15/70/100 hp)
  • 1992–1995 W124
  • 1992–1995 400E
  • 1992 W140
  • 1992 400SE
  • 1993 400SEL