window roll up/down with key lock
Thread Starter
Senior Member
Joined: Aug 2004
Posts: 285
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From: Richmond, Va.
1991 300E
window roll up/down with key lock
My 1991 300E will roll up the windows by holding the key in the lock position IF the windows are left down. After they have been rolled up and the car locked, you can unlock the car and hold the key in the unlock position and the windows will roll down again. However, IF I come out to the car after it's been sitting awhile with everything rolled up and hold the key in the unlock position in the door nothing happens. Is something broken or is this normal?
MBWorld Fanatic!
Joined: Aug 2002
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From: Germany
'00 S320 W220, '98 A160 W168/ sold in 2005 '86 260 E W124 '90 260E W124
This is normal. Mine does the same thing. It is a timer which limits the memory to a certain time, after that it won't "know" that the windows were open.
Almost a Member!
Joined: Nov 2003
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I dunno about removing the timer but...... even though the windows are closed already, try holding the key in the closed position and then immediately hold it in the open position and they will all open 
The idea is that if something or someone gets trapped when closing the windows, you can open them... a sort of emergency release if you like. So pretending to close the windows fools the system into letting you open them.
The idea is that if something or someone gets trapped when closing the windows, you can open them... a sort of emergency release if you like. So pretending to close the windows fools the system into letting you open them.
Thread Starter
Senior Member
Joined: Aug 2004
Posts: 285
Likes: 0
From: Richmond, Va.
1991 300E
gotcha, so when I go out to my car after it's been sitting in the sun all day and the seats are hot enough to fry an egg on I just hold the key in the lock postion and then flip over to unlock and the windows will roll down. Thanks, Matt.
