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Old 09-12-2008, 05:27 PM
Registered User
Join Date: Jul 2006
Location: Oakland, CA
Posts: 59
won't stay locked

My 124 locks fine but it intermitantly unlocks itself. It's only happened once while I was driving. Many mornings I come out to find the car unlocked. Any suggestions on where to begin my search for a solutions?


1987 300TD; 166,000 mi/267151 Km - had to make room for the dog
1973 220D; mileage ??????
1978 300D; 178,000
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Old 09-12-2008, 08:09 PM
babymog's Avatar
Loose Cannon - No Balls
Join Date: Jan 2006
Location: Northeast Indiana
Posts: 10,767
If you lock the door with one door not all of the way closed, it will unlock again (at least mine does). Hope this helps.

Gone to the dark side

- Jeff
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Old 09-13-2008, 02:30 AM
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Join Date: May 2007
Location: Out in the Boonies of Hot, Dry, Dusty, Windy Nevada
Posts: 9,585
I had the very same thing happen today. came back to the car after shopping, and the r/f door was unlocked. I didn`t shut the door all the way, but the other 3 were locked.

A few years ago I would have a problem with the buttons coming back up after I had locked the car. wasn`t happening every time, but every once in a while.

Later on I was having a vacuum problem, not shutting off, shifting properly etc... I chased it down to the r/r door actuator leaking the vac.

after I replaced it, I have never had the doors unlock since.
It was usually only on a hot day they would unlock. I figured with the rubber on the top being ripped and or dried out, it was letting in warm air and maybe pushing against the inner diaphram and unlocking the doors.

It`s just one of those darn vacuum Gremlins at work


there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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