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S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

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Old 08-03-2009, 09:49 AM   #1
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Front door soft close not working

Hi all, My back doors close automatically, but not the front. I think I read somewhere that disco'ing the battery may solve this. Is this true, any suggestions?
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Old 08-03-2009, 10:43 AM   #2
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you can pull the 25 amp fuse under the passenger rear seat, but that is a temporary solution. It works if for whatever reason there was an obstruction and the pump timed out.

However, you most likely have a leak, or a bad pump.
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Old 08-03-2009, 06:07 PM   #3
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I had this problem but only on the driver door.

Anyways, I just replaced the 25A fuse a few minutes ago and the problem is fixed now. Maybe its not a problem with the pump in my case.

Thank you OliverK so very much for the pointer.



Hope Trudawg has the same problem as I did.
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Old 08-04-2009, 11:04 AM   #4
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Quote:
Originally Posted by aubie96 View Post
I had this problem but only on the driver door.

Anyways, I just replaced the 25A fuse a few minutes ago and the problem is fixed now. Maybe its not a problem with the pump in my case.

Thank you OliverK so very much for the pointer.



Hope Trudawg has the same problem as I did.
your fuse was blown.......yet the other doors still worked?
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Old 08-04-2009, 12:46 PM   #5
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I am not sure if its a blown fuse or not. I just replaced it none the less and door started working ever since. Other doors never had a problem.

When I replaced the fuse while the car was off, door was still not working. So, I replaced the fuse while the car was on. That did it.

Like OliverK said, the replacement of the fuse might have taken care of a pump timing out due to an earlier blockage.

One other symptom that makes me believe mine could be a fuse/electric related problem is that the light behind the inside door handle would turn on and off when I was driving at night. As if there was a loose connection or so. I am yet to drive at night to see if this is fixed too.

Last edited by aubie96; 08-04-2009 at 12:48 PM.
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Old 08-13-2009, 04:55 AM   #6
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In the morning i sat down in my car turn the engine on and after closing the door i heard pretty loud boom, after that happened my soft door closer didnt work, and if i try to close it it has continuous sound like motor working or something. Any suggestions?

By the way it was really hot outside today, like 106-108, could it be cause of problem?
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Old 08-13-2009, 09:14 AM   #7
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no, hot temps should not cause the problem.

If none of your soft close stuff works, you either have a massive leak or a bad pump.

If its just one door, I'd say its a leak. Either way, the longer you keep at this, the chances your pump is fried go up exponenetially.
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Old 08-13-2009, 11:07 AM   #8
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its probably your pump thats what it was for me get a used one on ebay
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Old 04-13-2014, 09:34 AM   #9
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I have a 2001 S500 the soft door closure is not working on the drivers door please assist
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Old 04-13-2014, 09:51 AM   #10
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Reset the system by pulling the fuse and reinstall it

It should work .

If it stops working again there is a problem inside the door and the system is protecting the pump from burning out
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Old 04-13-2014, 10:16 AM   #11
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Find the floor light just behind the right rear passenger's heels. Pull the entire light unit away from the wall. Find the yellow fuse near the right side of the fuse row. With the engine running, remove the fuse for thirty seconds.


Try the door closing. If it works, drive on. If it quits working soon, there is a leak or another problem, probably inside the door.


If the problem is the plastic housing for the pneumatic diaphragm, it can sometimes be repaired. There are several YouTube videos on this repair.
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Old 04-13-2014, 10:16 AM
 
 
 
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2003, aftermarket, auto, automatic, automaticly, car, close, closing, door, doors, kits, s430, s500, soft, softclose



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