From his name, I'm assuming it's a 1984 380SE. W126.

Check your auxillary water pump re: the burned traces on the CCU.
http://www.peachparts.com/shopforum/showthread.php?t=140870&highlight=auxillary+water+pump

Check fuses (may be an add-on fuse, as described by 250 Coupe.

Check blower motor (smack it); may be brushes/commutator)

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)

Oops

Michael

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Usta haves '69 250/8, '76 280C, 1971 250C 114.023, 1976 450SEL 116.033
Current have, 1983 300SD 126.120

Thanks guys,
Yep it's an '84 380SE Midnight blue with grey interior and 182,000 miles.

I'll check this out today. I'll install a fuse to the Aux pump also. Sounds like good cheap insurance. I was sure that Aux was what I heard running. The fan has a mind of it's own. just comes on at will and runs a few minutes or seconds and goes off. That is why i think the fan motor is fine just electronic to and frm? are messed up. I just went and grabbed some coffee and though not really cold here this morning, the heater on low did heat the cabin(front anyway ) without the fan. I'll get this old girl sorted out. I think she likes being driven after her "vacation". I think I'll look for a rebuilt or good used CCU unit as I don't trust this one now. However all the solder connections are fine, not cracked, just the two traces were fried.