On-board computer event window 133 On-board computer and displays Z Display messages Possible causes/consequences and M Solutions  Diesel particle filter full Supplementary text Û: Please start regeneration at once Press and hold regeneration switch for 3 s while vehicle is stationary Please observe Operating Instructions The  indicator lamp also lights up yellow in the instrument cluster. The diesel particle filter is in need of regeneration. Depending on your operation of the vehicle, within the next 30 minutes: X Deactivate the regeneration block (Y page 214) and drive on a motorway or for a long distance until the  indicator lamp goes out.
or X Start manual regeneration as soon as possible (Y page 214). Otherwise, engine output may be reduced.  Diesel particle filter full Engine power reduced Supplementary text Û: Please start regeneration at once Press and hold regeneration switch for 3 s while vehicle is stationary Please observe Operating Instructions The  indicator lamp also flashes yellow in the instrument cluster. The diesel particle filter is in immediate need of regener- ation and this is the last possibility for it to be started manually. X Start manual regeneration as soon as possible (Y page 214). Otherwise, the diesel particle filter can only be cleaned or exchanged at a qualified specialist workshop.