Following the arrival of the new FP/FT Matangi units into service from January 2011 onwards, Metlink began to progressively withdraw the DM/D sets from regular service, starting with the Hutt Valley services. All but three of the three-car D/DM/D sets were withdrawn with the exceptions of DM 251, DM 504, and DM 556 "Cyclops". These sets continued in regular service until DM 556 was reduced to a two-car set for Johnsonville Branch use in December 2011; both DM 251 and DM 504 continued relatively trouble free in service until 27 March 2012, when both were withdrawn from service after the evening peak services that day.