Normal series since 1956 (style since 1995)
D = Düsseldorf



Normal series since 1956 (style since 1995)
Lö = Lörrach




Normal series since 1956 (style since 1995)
SHA = Schwäbisch Hall




Normal series since 1956 (style since 1995)
TF = Teltow-Fläming




Normal series since 1956 (style since 1995)
M = Munich




Normal series since 1956 (1956-1995 style)
VS = Villingen-Schwenningen



Normal series since 1956 (1956-1995 style)
K = Köln




Normal series in DDR (-1990)
IK = Berlin



Electric/hybrid vehicle series since 2015
HD = Heidelberg, E = electric



Historical series since 1997
HOM = Homburg, H = historical



Historical series since 1997
K = Köln, H = historical



Trade series since 1956 (style since 1995)
SIG = Sigmaringen, 06 = recurrent use