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  #1  
Old 07-27-2014, 07:41 PM
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Join Date: Jul 2014
Location: Northeast New Jersey
Posts: 47
E300D Self Locking Doors

I recently purchased a 1995 E330D with 120k on it. Very nice car and drives beautifully. One idiosyncrasy it has is that frequently, but not always, the doors will lock on exiting the car without the use of the key. All the door buttons will depress, but after a moment, the driver's side will come part way back up, though the door will remain locked. When the doors like this way, the dashboard alarm light will not blink, as it does when I lock the car with the key.

An alternative, related problem is that sometimes I will lock the car and come back later to find the drivers side door open.

Any thoughts or ideas on how I might resolve this? Is this a vacuum issue?

Thanks much!
Tom G
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  #2  
Old 07-28-2014, 01:25 PM
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Join Date: Nov 2010
Location: TX
Posts: 3,607
if your car has not recieved any "hack installed remote door locks" then your problem is in the door lock cylinders - it has two contact switches that activate the central locking pump to lock and unlock and also activate the alarm.

It maybe that the wiring or contacts are flaky,
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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)
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  #3  
Old 07-28-2014, 09:11 PM
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Join Date: Jul 2014
Location: Northeast New Jersey
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Self Locking 300D

Quote:
Originally Posted by Zulfiqar View Post
if your car has not recieved any "hack installed remote door locks" then your problem is in the door lock cylinders - it has two contact switches that activate the central locking pump to lock and unlock and also activate the alarm.

It maybe that the wiring or contacts are flaky,
Thanks for the info. No remote door lock installation, so I'm off to investigate the door lock cylinder.

Tom G
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