NG273T4 Gelenkbus MAN Lion's City artic. bus NL273T3 Normalbus MAN Lion's City NL273T2 Normalbus MAN Lion's City NG273 Gelenkbus MAN articulated bus NL243 Normalbus MAN standard bus NG243 Gelenkbus MAN articulated bus NL175HYB Volvo Hybridbus ältere Bilderserien (2001-2012) elder galleries