M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

DPF self-regeneration trigger

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Old 07-28-2017, 05:25 AM
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ML320CDi
DPF self-regeneration trigger

In recent months I have noticed that when my ML 320 Cdi (155K miles, full main dealer service history) is stood with engine in idle for 5 or 6 minutes, when I pull away i get the DPF regeneration smoke for a minute or two. This can happen several times per week. Is this normal?
Old 07-28-2017, 10:19 AM
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1999 E300TD
Regeneration takes place when the delta P goes out of the programmed range---take the car for 2hr high speed road trip

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