Thread: '90 300 SEL: All instruments lights go out
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  #8  
Old 04-13-2009, 11:13 PM
matchek1 matchek1 is offline
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Join Date: Jul 2007
Location: Raleigh, North Carolina USA
Posts: 61
yes, it is the rheostat. amazing they want $85 for it.

i pulled it out and put it back it. interestingly the light go out when you tighten the screw really tight, but when loosen it comes on. so i put the rheostat back on but not as tight. let's see how long it lasts.

the contacts looked clean.

thanks guys. this has bothered me for months.
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1990 Mercedes 300 SEL (320,000 miles)
1994 Mercedes E420 (140,000 miles)
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