Even you can go to a Mercedes dealer near you, if you know the part numbers. I got all my hoses from Mercedes, they even come with the MB star stamped on them (if you are to show the car). Here is the listing:
1. Hose from value cover to air filter housing - part # 129 016 00 30 Pipe/Tube. (note: this tube is connected to air filter housing with 180 997 10 82 Rubber Hose 35MM long)
2. Three hoses at "Y" pipe - part # 9002271012024, Rubber Hose, from intake pipe to intake muffler. Order by the meter.
- part # 114 203 01 82, water connection to throttle housing
- part # 108 831 03 94, Hose, water connection at water pump (this is a special hose that is tapered- one end is larger in diameter then the other end)
As for the other hose " The last hose is the one that connects from the diverter from the lower radiator hose to the heater. This hose appears to be formed and about 15-18 inches", don't know what hose you are talking about. Could you be more specific as to location of hose. I do not recall a hose from the lower radiator to the "diverter"? Do you mean to the water pump? There is a lower radiator hose to the water pump housing. Let me know.
Bob