WHAT DOES MERCEDES GARAGE TAURANGA MEAN?

Hi mate, I've a c180 w204 that understand vital, unlock the wheel but during the dignostics Resource i see that dont have output to terminals 15r, 15, 50, not electric power the sprint lights and dont let to show around the engine. Some times it activates each of the outputs the engine starts, but only switch off if clear away completly The main el