Bhonda3

i own a 2010 GLK 4 matic and yesterday after starting my car the screen above the steering wheel started flashing black then normal. After about 3min it displayed as normal. Now the clock display on the screen over the steering wheel doesnt keep time after starting the vehicle. The clock display in the upper left hand of the infotainment screen has disappeared. Anyone else have this issue? Also after going into System the option to set the TIME is not highlighted which indicates a more serious issue to me.