Contents i Introduction of engine OM 471 and exhaust aftertreatment > 09/2011 > 9 – This printout will not be recorded by the update service. Status: 09 / 2011 – Vehicles with code (M5Z) Engine version Euro VI Page 215 Diesel particulate filter of exhaust aftertreatment unit, component description i Only for vehicles with code (M5Z) Engine version Euro VI. Page 218 Nozzle unit for DPF regeneration, component description i Only for vehicles with code (M5Z) Engine version Euro VI. Page 220 Heating system heat exchanger, component description Page 221