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  #1  
Old 01-31-2009, 05:00 AM
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Join Date: Jan 2009
Posts: 7
Access to trunk on S320 W220

Hi anyone got any ideas how I can get into my trunk? The central locking pump has failed, 20A fuse blown but replaced doesn't solve the problem. I've tried conventional key access in the large trunk release "push" by the number plate but no luck. I understand early W220's had an issue with the spring in the trunk? Would drilling out the key barrel work? HELP!!

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  #2  
Old 01-31-2009, 12:03 PM
RAYMOND485
 
Join Date: May 2005
Location: CALIF
Posts: 508
Trunk lock

E2006 e350 19k
battery dead, trunk will not open for battery in trunk, used the long metal key in key fob, its in the big key where the key fob battery, move side on end pull out, and push in key lock at lic plate turn pull up trunk open replace battery, no radio code have
aux battery in engine right side rear, under a/c filter

FIND YOUR VACUUM PUMP AND MAY HAVE TO REPLACE THE VACUUM PUMP
OR PULL PUMP OUT AND MAY NEED JUST OIL ON THE SHAFT BEARING, USE
12 VOLTS FOR TEST, WHAT YEAR GO TO THIS SITE FOR PRICE

MOVE THE TRUNK LID UP AND DOWN, HARD MAY OPEN, LOW VACUUM FROM
PUMP, GO TO PUMP CHECK VACUUM OUTPUT USE HAND VACUUM PUMP TO
OPEN, MAY HAVE VACUUM LEAK IN LOCKING OF ALL DOORS , I HAD A LEAK
AT FUEL DOOR COVER LOCK, OVER NIGHT , REPLACE VACUUM VALVE AT
FUEL COVER THIS IS ON A 300D

Last edited by RAYMOND485; 01-31-2009 at 12:40 PM. Reason: ADDED INFORMATION
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  #3  
Old 01-31-2009, 12:08 PM
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Hi Raymond, done all that thanks and no success!
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  #4  
Old 01-31-2009, 01:05 PM
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Join Date: Jan 2003
Location: Florida
Posts: 1,084
I dont know if this works on a 220, if you can get to the hose that serves the locks, pressure to unlock and vacuum to lock. It works on the 140, someone just used a bike pump, you dont need a lot so be carefull. Its was under passenger rear seat.
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  #5  
Old 02-01-2009, 07:53 AM
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Join Date: Jan 2009
Posts: 7
Hi Peter, thanks for this. I located a pipe with a 4mm outlet to it under the rear seat. I attached a bicycle pump to it, tried pumping but meet resistance so I stopped?
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  #6  
Old 02-01-2009, 08:48 AM
Member
 
Join Date: Jan 2003
Location: Florida
Posts: 1,084
I did a little search, the pump is not under the seat it appears it is in the trunk sorry!
You might try this site I used "locking pump and 220"
http://www.benzworld.org/forums/
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  #7  
Old 02-01-2009, 10:26 AM
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Posts: 7
Peter, yes the central locking pump is in the trunk but there was a white 4mm tube under the back set with a T junction containing a facility to push on another pipe. There's where I connected the bicycle pump?
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  #8  
Old 02-01-2009, 06:09 PM
Johnhef's Avatar
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Join Date: Feb 2005
Location: Frederick, Md
Posts: 4,539
if you try all other options with no success, pick your least favorite taillight and smash away.

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