P246B - what is to do at this code

Question

I just buy MB R350 with 3.0 l diesel engine.
MB dealer can not get this car ready for emission test for Ontario and always we get
Code error P246B.
I now is related to the DPF .
Have this car a regen process like my Volvo

Thank you
Mario

Answer 1

The best way to deal with this code is to use a scan tool that is at a factory level for the MBZ.P246B  this code is more for a MBZ Sprinter,  Condition incorrect for diesel particulate filter regeneration. The MBZ R class does not even use this code, try using another scan tool