E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

intermittent electrical loss

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Old Jul 16, 2009 | 12:27 PM
  #1  
songtruck's Avatar
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intermittent electrical loss

My 1998 E320 4matic has developed an intermittent loss of the use of the front passenger window,seat adjustment operations and power mirror(again passenger side) Any suggestions ?
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Old Jul 17, 2009 | 05:20 AM
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From: HK (but constantly travelling)
98 W210 Advantgarde
You'll also find the courtesy light under the door is also not working.

I've had the same problem with both sides in the front when the car sits for a few days. In my car, I found separate fuses govern each side's front elecricals (one in the front box and one under the backseat). When these fuses are pulled out and immediately replaced, the power functions come back...but I'll have to do it all over again after the car sits for a few days
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Old Jul 17, 2009 | 09:13 AM
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Thanks Whitey. Do you have any idea what triggers this issue? I have checked and pulled the front fuse but not the one in the rear...the front 40m amp fuse was ok
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Old Jul 18, 2009 | 02:13 PM
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From: HK (but constantly travelling)
98 W210 Advantgarde
To be honest, not sure but I am not experienced with auto-electronics. I have been told my loom (I think that's what its called) is on the way out but I suspect there maybe a leak/short somewhere from the mods I'd made......... Interesting to note both yours and mine are 98 models...
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Old Jul 18, 2009 | 04:25 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Check the pse

and all the lines to and from it.
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Old Jul 22, 2009 | 03:05 AM
  #6  
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97 E420 90 300E
I have been having a similar issue with my sunroof.
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Old Jul 23, 2009 | 03:04 PM
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From: Newcastle, WA
2001 E430 Sport; 2000 E320 (RIP 9/9/09); 1991 300SE
still dealing with similar issue on my 00 with window switches and trunk opener - going to my indie when I get back in town and will post a diagnostic if he can shed some light on it.
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Old Jul 25, 2009 | 02:59 AM
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97 E420 90 300E
Its almost starting to seem when I leave my car parked in the sun while I'm at work, the sunroof doesnt want to open. But after it has sat in the cool garage for a while it is fine.
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Old Jul 25, 2009 | 04:12 AM
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2001 E240
The CAN that communicates with DCM are both faulty.
Pull your codes and see if either or both needs to be replaced.
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