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1994 Mercedes C280
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76 Posts
Discussion Starter #1
I have a '94 Mercedes C280 and it seems to have a problem where the turn signals, the rear window defroster, & the intermittent windshield wiper (but not constant & fast constant speeds) will go out & stop working. They sometimes come in & out while I'm driving & will work for 5 minutes then stop working again for a while. Does anyone know of a way to fix this? I assume maybe they are all connected together through the same relay or something of the sort? Any ideas on a fix? Thank you in advance for any replies!
 

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1986 Mercedes 560SL
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19 Posts
Im having the same issue with my '94 at 101K miles I tried pulling th relay in and out , It looks like i need to replace the module . Ill look for the K40 relay as xvvvz has pointed out 10 yrs ago :)
 
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