The M-Bahn or Magnetbahn was an elevated Maglev train line operating in Berlin, Germany from 1989 to 1991. The line was 1.6 km in length, and featured three stations, two of which were newly constructed. The line was built to fill a gap in the public transport network created by the construction of the Berlin Wall, and was rendered redundant by the reunification of Berlin.
The M-Bahn was the second Maglev line to open to public traffic, after the Birmingham Maglev but before the Shanghai Maglev Train. Construction and running were undertaken by Magnetbahn GmbH.