i got the error codes p2026-04 p2050-01 p2055-01 p2043-01 and p2048 what do they mean and will any of them cause the engine to crack or liquid to get into the engine. when checking the oil i saw a drop of liquid on the cap but when i had the oil changed they didnt see any liquid in the oil

 

Here's a list of the meanings of all the DTCs:

http://benzbits.com/DTC/DTC_ME2.8.pdf

Most of those are misfire codes.