Richard, thanks for the clues. I got them out and kind of backed off at the idea of working those electrical connections out as I live where it is cold in the Winter a few days a year and like the heated nozzle feature. I am sure they come out, but not so sure they go back as my fingers don't fit in the holes and spaces too well. The units are now dangling out the hood holes and soaking in vinegar (one is in wine vinegar the other in apple cider vinegar). I have two glasses propped up on the windshield and hood. I will work some fine wire backwards through the nozzles and pump the junk in the lines out a little later.
Thanks again, Jim
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)