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Old 12-24-2006, 08:47 PM
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Join Date: Sep 2006
Posts: 3
1998 W210 Door lock problems

For about the last 3 months, there are times when I hit a bump, or turn with someone in the passenger seat that my doors will unlock and then relock, all in about 1 second. This can happen many times in a day, then go for several days and not happen. Its worse when it is really cold, seems to happen less when warm. Any ideas??



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Old 12-24-2006, 09:29 PM
Parrot of Doom's Avatar
1997 W210 E300TD 243,000
Join Date: Mar 2006
Location: Manchester, UK
Posts: 983
Try disconnecting the central locking switch from the dashboard. If the problem goes away, its a dodgy switch.
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Old 12-25-2006, 03:27 PM
Registered User
Join Date: Jul 2005
Location: Seattle, WA
Posts: 587
i'm inclined to go with PoD's theory as well. simple test #2. tape a dime onto
the door, immediately opposite the door plunger/switch. close door and drive
around and see if this moderates or abates the symptoms. if so, it's that silly
switch. fortunately, it's < $20.

that switch can also manifest itself through lights on, alarm not setting properly

temperature: theory.... cold contracts metal and the parts have more gap. hot,
it expands and gap between door/jamb is less.

-- raymond~
47 34'N 122 18'W
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