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  #1  
Old 08-14-2009, 05:25 PM
German car addict!!
 
Join Date: Jul 2008
Location: New Orleans, LA
Posts: 27
126 master key question

I recently changed the ignition tumbler in my 86 sdl because it was getting kinda catchy. The tumbler came with a correctly keyed master key minus the little red lug to indicate that it operates the alarm. I asked the parts guy if he could get a new master key with the lug and he told me no! Is this correct?? I don't fully trust this guy because he swore up and down that if i ordered a new ignition tumbler, it would not match the rest of the locks on the car and thats why it comes with a new key. Completely disgusted, i ordered it anyway... and alas, it was correctly keyed. So... has anyone ordered a new master key lately? and if so, did it come with the little red lug? I know its ridiculous, but I'm becoming quite the purist!

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Patrick Frye

"Yeah, I'm crazy!!"

1986 300sdl
1982 300td

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  #2  
Old 08-14-2009, 05:28 PM
Home appliance genius
 
Join Date: Jul 2009
Location: cleveland
Posts: 1,160
I ordered a new door lock from MB and it also came with a key... It works everything. the key with the red dot indicates that it is a valet key, the only thing it wont open is the glove box... (please correct me if im wrong, but im 99% sure)
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  #3  
Old 08-14-2009, 05:33 PM
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Join Date: Aug 2007
Location: Chicago Area
Posts: 38
If memory serves me the valet key was round where your hold it not 'squarish'. I had a new ignition lock a few years back installed on my ML55 and it came from the factory with a key...but it of course doesn't work to start the engine as it doesn't have a transponder. I seem to think the red dot on the key was only in the 80's and was deleted later on - even on replacement keys.
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  #4  
Old 08-14-2009, 05:44 PM
German car addict!!
 
Join Date: Jul 2008
Location: New Orleans, LA
Posts: 27
yeah, i think the valet key is the round one without the dot, and the square one with the dot is the master. Also, i think you're right... only an 80's thing. I guess the guy at the dealer was right, no longer available with the dot... i guess we cant have everything!!
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Patrick Frye

"Yeah, I'm crazy!!"

1986 300sdl
1982 300td

Gone but not forgotten:

76 240d
80 300td
81 240d - my first mercedes
81 300d
81 300sd
82 300td
82 300sd
83 300td
89 300sel
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  #5  
Old 08-15-2009, 12:30 AM
babymog's Avatar
Loose Cannon - No Balls
 
Join Date: Jan 2006
Location: Northeast Indiana
Posts: 10,765
The dot meant it was the master key for a car with alarm. The dot was eliminated around '93 and NLA. The square head still means master, and the oval head the valet key. The original one without a head is also a master key but without the plastic head for wallet or wherever you wish to stash a spare.

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