My daughter has a 1998 E320. Today, both driver side windows came down by themselves about 2 inches and stopped. Now all windows will not work. Fuses are all o.k., both under hood and under rear seat I have tried all the switches - nothing. She also reported that her wiper did not work at all for a short time, but I checked and it is now o.k. on all speeds.

She is home now but windows are down and we are having rain showers, so assistance would be appreciated.
Have we got an early Halloween spook in the wiring?

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'76 240D-Sold
'78 240D-Sold
'85 300 SD, 165K-Sold
'88 300 TE, 165K-Sold
'64 Porsche 356C Cabriolet- under restoration
'86 560SL 124K Miles-Sold
'94 320E Wagon, 74K Miles-128K Miles JUNKED
'06 E350 Wagon, 84K Miles
07 SL550, 14K Miles

I'd guess it's the switch pack. Any chance she dumped some sort of beverage on the switches? You could try running a hair dryer over the area for awhile, but chances are it's ruined.
Gilly

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Plus 2 on having spilled something (or left the sunroof ajar with showers in the area); lucky she didn't short the shifter.

Pop the cover on the center console and remove the switch circuit board, try drying it as Gilly suggested, but pull it first. Blowing air around above it won't do much beyond deafening you.

Honey, did you happen to spill anything on the console?

Well, there was some water but there was hardly any on it.

Sweetie, you could have ten gallons on it, but one drop inside it could have caused the problem.

Oh.
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Thanks folks, I'll take it apart tomorrow and report back.

__________________
'76 240D-Sold
'78 240D-Sold
'85 300 SD, 165K-Sold
'88 300 TE, 165K-Sold
'64 Porsche 356C Cabriolet- under restoration
'86 560SL 124K Miles-Sold
'94 320E Wagon, 74K Miles-128K Miles JUNKED
'06 E350 Wagon, 84K Miles
07 SL550, 14K Miles

You don't wanna know what this could have also done to the shifter assembly.........
Gilly

__________________
Click here to see the items I have up for auction at EBay

Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)

There was evidence of some liquid spilled in the lower left area of the window switch area as the LR switch was at least damp and there was some dried evidence on the front area of the board.
I have the switch assembly out (210 821 1051 or W0133-1598126) and I thoroughly cleaned, dried and inspected it so it at least looks good. Problem is that it doesn't work. I have also tried to run 12V to each of the contacts on the black plug that goes to the board (from its #2 lead) and I get no response from any of the window motors.
At the black plug, I get with power off: #1 gr/wh wire = 0, #2 bl/wh = 12V, #3 br = 0, #4 br/red =4.8v, #5 red/wh = 0, #6 br = 0. With ignition power on, I get 11.7V @ #2, 1.8V @ #3 and 3.2V @ #4

Both the seat motors do not work, the wireless lock/unlock system is also inoperative.

What am I missing here? I hate to buy damn expensive parts for it without knowing if it will help. Much obliged for your help.

__________________
'76 240D-Sold
'78 240D-Sold
'85 300 SD, 165K-Sold
'88 300 TE, 165K-Sold
'64 Porsche 356C Cabriolet- under restoration
'86 560SL 124K Miles-Sold
'94 320E Wagon, 74K Miles-128K Miles JUNKED
'06 E350 Wagon, 84K Miles
07 SL550, 14K Miles

So disconnect the battery a minute to reset the CAN bus. This will work for a while until the fault kicks in again.

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Prost!