TerraClean - If your Diesel Particulate Filter (DPF) is clogging, warning lights showing on your dash - talk your local #TerraClean service engineers first. There are those that will say to just
Diesel Particulate Filter and the DPF Monitor operation | Stephens Service Center - Sacramento's Best Mercedes-Benz Service & Repairs
Is It Safe to Drive With the DPF Light On? | YourMechanic Advice
What is a diesel particulate filter – and how to fix a blocked DPF