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					Originally Posted by  CA-Rick
					 
				 
				Here are things i don't know 
1. After doing my oil change, its still black like the night. How do I 'clean' the bad oil out? 
 
2. My fan for the climate control works only if I jiggle the ignition key, and even then only about 50% of the time. 
 
3. what is the best manual to get for all the other things. I got the deisel service manual out of the library but want a good one that covers everything. 
 
4. Wher can I get metric vacuum hoses. 
			
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 1. The new oil will turn black pretty soon after it's put in, that's normal.  If you suspect it hasn't been changed frequently, you may want to change it sooner the first couple of times.
2. My 300D had that problem, you need to replace the electrical part of the "ignition," not the entire part.  It looks like this:
http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1CQ0J3JZ423T00HRAD&year=1985&make=MB&model=300-SD-002&category=All&part=Ignition+Switch
4. To get vacuum hoses, air filters, etc. click the "buy parts" at the top of this page.