I feel your pain,if you have not gotten the information that you need as yet ,this may help you.
Large wires
pink with yellow stripe pin 15R
pink with red stripe pin 15
violet or purple pin 50
Small wires
pink with green stripe pin 15x
green with white stripe pin P30

red pin 30
red pin 30
These are for a 1995 C280 turned out to be the same as a 190E hope this information helps.