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my locks are locked!!!

875 Views 2 Replies 3 Participants Last post by  maximus121412
like i mentioned before i dont already drive my car, and because there is no battery in it, I start it somethimes with an extern battery and so when I connect it to the car, all doors lock. but, now,
I cant open them anymore, except for the frontdoors and the trunk. but the rear doors and the fuel lid dont open anymore. the rear doors not even when I try it from the inside.

does anyone know whats wrong???
what should I do?
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'85 2.3-16 '99 C280 '11 GLK350
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It appears that the vacuum powered locking system has malfunctioned. The vacuum pump is...

It appears that the vacuum powered locking system has malfunctioned. The vacuum pump is under the rear seat cushion, on the driver's side. You should examine the fittings and check if the motor is operational. The driver's door and trunk are keyed and can be operated manually. Inside the trunk, behind the plastic wall panel, where the gas door is, there is a manual door release.
 

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Hi i have managed to lock myself out of my car -cleaing the door inside pushed down the door pin and closed the door.
if the door has used vacum to close ie with the door pin -can this be overidden by removing the door fuse. and if so how do you open the bonnet.
 
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