S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

Warning lights flash ??

Old Oct 8, 2008 | 11:53 AM
  #1  
Pave's Avatar
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MB W140 600SE -91
Warning lights flash ??

MB W140 600SE -91 is under question.
When I switch turn indicators or wipers on all warning lights will flash once and all pointers fall down also once.
This problem will not appear continually, only some times
I have fight with this problem a long time and here in Finland it looks that nobody are not able to help me..

Actually we have also another MB W140 600SEL -91 and there appear same problem

What or where could be a problem..
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Old Oct 13, 2008 | 07:32 AM
  #2  
Peter Guenther's Avatar
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Joined: Jul 2003
Posts: 455
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From: Fl
92 500sel/01 320e wag
You have somewhat a known issue, it has to do with the power regulation to the cluster, sometimes a bad ground. My 92 does it ocasionally, I have found some info where people replaced a capacitor in the cluster.
This company discusses the problem and fixes them, but you will have to remove and send it out.
http://mbcluster.com/
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