It is very expensive to repair Mercedes Benz.Some many DIY user will choose to do this operaiton.Here
CnAutotool.com will show you guide on how to use OEM device to perform Mercede Benz DPF regeneration by yourself?
How does DPF Regeneration work?
DPF Regeneration menu lets you perform the DPF cleaning to clear the blockage through continuous burning of the particulates captured in the DPF filter. Which will avoid the filter being blocked by ash, then the owner has to replace the new diesel particulate filter (worth 1000usd -200usd)
How to use Benz C6 and Xenrtry 09/2019 to do DPF Regeneration?
Mercedes BEZN C6 MB SD Connect C6 Benz Xentry diagnosis VCI
With this machine, just follow the on-screen instruction to do, soon DPF regeneration will be completed. After complete, all the data will be low value in green color.