@grzegorzmerc How did you sort this issue? My 2016 C350e has just started doing the same thing. Thanks.

 

Normally when that warning appears ( the gears) with those symptoms it is the starter motor, it will require renewing.
In my experience.
The other two screenshots are red herrings.

 

I am getting malfunction message in my c350e 2016 as well. But my car drives normal switch back normally between modes. I consulted one of the local mechanics they told me its not starter. Error code I am also getting of BMS clock error. any suggestions??? I started getting this error after disconnection my battery for a month due to going abroad (Mechanic checked the battery and said its healthy)

 

I was also getting similar codes and warnings...sorted in my car intercooler coolant was empty...

 

Did you figure out the problem? what was that? Having the same problem on my c350e