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  #46  
Old 01-30-2012, 02:04 AM
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Location: Metro Detroit, Michigan
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Answer

Quote:
Originally Posted by ROLLGUY View Post
I have tried to remove the tumbler from a switch I have as a spare, with the same results. I have both a tumbler unit out of the body so I can see where the wire tool (I am using an Allen wrench) goes in, and can see the bar moving in that would allow the collar to turn.

However, when I try it on the complete switch, I can't get the collar to turn. I can tell I have it in the right spot because the tool goes in just a little further than even 2 degrees of rotation either way. I also can't turn the key with it like this.

I also have an '81 300SD that the ignition switch is stuck just between the position that the key is inserted, and the first position (ign on). The car is drivable (steering unlocked) by jumping the starter. However, there is no brake lights or glow system. I know I need to at least get it in the no. 1 position to remove the tumbler, but I wanted to practice first with the parts I have to make sure I can do it when I get the switch in the car in the right place. I am at my wits end! I have viewed all the photos on Diesel Giant, but still can't get it to work.. HELP PLEASE!!
If it is W123 or W126?
The pin diameter is critical to fully disengaging the locking button.
Until the button fully retracts, there is no possibility of unscrewing the sleeve.


.
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  #47  
Old 01-30-2012, 09:59 AM
Shadetree
 
Join Date: Jan 2010
Location: Back in SC upstate
Posts: 1,412
Rollguy,

These ignitions seem to sense panic. Relax.

Mr Whunter is right about the size of the tool being critical. It appears you have the right size to fit your experiment tumbler and perhaps it will work on the other one too.

Take a strong flashlight and shine it into the hole on the face of the tumbler. Slowly turn the key in the area where the magic location is reported to be. If your eyes are good you will be able to see the right spot to insert the your pin release tool.

Be patient when you get the tool inserted. Rotate the sleeve back and forth a little. Sometimes its difficult to get it started in the right direction.

If this does not work for you try using something a little smaller than your allen wrench. I used the copper center of a standard cable TV wire.

Luck!
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  #48  
Old 01-30-2012, 10:35 AM
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ROLLGUY
 
Join Date: Oct 2007
Posts: 6,127
I can tell that I am pushing something in the hole, and it does feel similar to the cylinder without the collar. The collar is loose enough that I can feel the bar holding it, but it will not turn no matter how much I fiddle with it. I can put the tool in the cylinder and watch the bar go in flush, but it does not work with the lock with the collar. The bigger problem I have is the lock in the car is stuck to the left of the first position. I don't want to break the key off, but I still may have to lower the column and drill out the pin anyway.
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  #49  
Old 01-30-2012, 10:38 AM
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ROLLGUY
 
Join Date: Oct 2007
Posts: 6,127
Quote:
Originally Posted by whunter View Post
If it is W123 or W126?
The pin diameter is critical to fully disengaging the locking button.
Until the button fully retracts, there is no possibility of unscrewing the sleeve.


.
The car is a 126, but I think the lock I have is from a 123. I am not sure if they are compatible, but I may need one for sure if I end up grinding the holding pin to remove the lock.
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  #50  
Old 01-30-2012, 10:57 AM
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Join Date: Dec 2003
Location: Metro Detroit, Michigan
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Answer

Look at this.

What is the trick to remove the tumbler?


.
here are others to read before cutting.

Steering Lock Repair on the 1983 300CD-T (W123) by dogguy 09/23/08
PeachPartsWiki: Steering Lock Repair

Steering lock repair 1981 300SD
Steering lock repair - PeachParts Mercedes ShopForum

W126-removing elect. portion of ignition switch
126-removing elect. portion of ignition switch - PeachParts Mercedes ShopForum

W123 ignition tumbler wiring
123 ignition tumbler wiring - PeachParts Mercedes ShopForum

Ignition Switch problem 1981 300SD.
Ignition Switch problem 1981 300 SD. - Page 2 - PeachParts Mercedes ShopForum

W123 Diesel: Ignition Troubleshooting
http://home.earthlink.net/~jamescstein/W123/

I am trying to R&R ignition switch 1990 350SDL
I am trying to R&R ignition switch - PeachParts Mercedes ShopForum

Steering wheel locked, ignition will not turn 1978 300SD
Steering wheel locked, ignition will not turn - PeachParts Mercedes ShopForum

What is the trick to remove the tumbler?
What is the trick to remove the tumbler? - PeachParts Mercedes ShopForum

How Do I Drill Out Ignition?
How Do I Drill Out Ignition? - PeachParts Mercedes ShopForum

Ignition Key Will Not Turn - Help
Ignition Key Will Not Turn - Help - PeachParts Mercedes ShopForum

W126 91 300SE ignition tumbler removal
W126 91 300SE ignition tumbler removal - PeachParts Mercedes ShopForum

W126 ignition lock troubles
W126 ignition lock troubles - PeachParts Mercedes ShopForum

Ignition tumber W126
Ignition tumber W126 - PeachParts Mercedes ShopForum

Gonna cut W123 ignition lock...key won't turn
Gonna cut W123 ignition lock...key won't turn - PeachParts Mercedes ShopForum

126 frozen steering lock/tumbler removal (fairly easy, but long)
126 frozen steering lock/tumbler removal (fairly easy, but long) - PeachParts Mercedes ShopForum

How not to remove the ignition lock! Butchery at its finest.
How not to remove the ignition lock! Butchery at its finest. - PeachParts Mercedes ShopForum

Ignition Cylinder, Switch, or Housing?
Ignition Cylinder, Switch, or Housing? - PeachParts Mercedes ShopForum

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  #51  
Old 02-03-2012, 06:23 AM
Registered User
 
Join Date: Mar 2008
Location: New Windsor, New York
Posts: 10
Hi having just pulled the tumbler from a 83 300d I found that some of the units may take a fair amount of pushing on that pin . I found a small philips screw driver from a watch makers set gave me the force needed. One of my tumblers needed the extra push and this tool gave no blisters.
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1983 300DT 401,200 + Miles
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  #52  
Old 02-03-2012, 11:41 AM
ROLLGUY's Avatar
ROLLGUY
 
Join Date: Oct 2007
Posts: 6,127
I have tried all the tools that are mentioned in the above threads (thanks Whunter), and still couldn't get the lock apart. I was able to remove the lock assembly from the car without grinding the pin, and replaced it with the one I had from a 123. I still have to find a way to remove the cylinder from the old lock so I can get the correct keyed cylinder from the factory, and install it in the car. Right now I have 2 lock assemblies that I can't get the cylinder out of (one in the car, and the other out). I thought of drilling a small hole on the side of the collar right where the pawl is, to help push it in so I can unscrew the collar. What do you think?
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  #53  
Old 02-03-2012, 03:55 PM
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Easy

Quote:
Originally Posted by ROLLGUY View Post
I have tried all the tools that are mentioned in the above threads (thanks Whunter), and still couldn't get the lock apart. I was able to remove the lock assembly from the car without grinding the pin, and replaced it with the one I had from a 123. I still have to find a way to remove the cylinder from the old lock so I can get the correct keyed cylinder from the factory, and install it in the car. Right now I have 2 lock assemblies that I can't get the cylinder out of (one in the car, and the other out). I thought of drilling a small hole on the side of the collar right where the pawl is, to help push it in so I can unscrew the collar. What do you think?
Have a local GTG and offer free coffee + donuts, one of the members should be able to show you in person.

It is more of an art than skill.

.
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  #54  
Old 02-03-2012, 06:58 PM
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ROLLGUY
 
Join Date: Oct 2007
Posts: 6,127
Quote:
Originally Posted by whunter View Post
Have a local GTG and offer free coffee + donuts, one of the members should be able to show you in person.

It is more of an art than skill.

.
That sounds like a great idea! We are going to plan one soon here in So. Cal.
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  #55  
Old 02-03-2012, 09:01 PM
whunter's Avatar
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Join Date: Dec 2003
Location: Metro Detroit, Michigan
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Answer

Quote:
Originally Posted by ROLLGUY View Post
That sounds like a great idea! We are going to plan one soon here in So. Cal.
Don't wait.
Make your own.
Pick a location and post it with date, time.

.
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