[R129 SL] Ignition switch/key problem

[Jan Kuylaars]

You must try it with graphite powder ( that is what is used for the
black center in pencils to write on the paper).
You can buy it in a can with a small outlet so you can blow the powder
inside the lock.
Never use oil inside a lock.!!!
 
If this wil not help after a few blows you must replace the lock
cylinder.
You can order the original by the dealer , so you do not have to change
all the locks.
But do not wait to long !!!
 
If you cannot remove the key, they must brake all defect : the cylinder
- the housing -drill out the saftybolts and still need to replace all
the stuff, including a part between the lock and the ingnition switch.
 
If you can take off the key, they can easly take out the main cylinder
and repalce it for a service cylinder while they order the original
cylinder.
They will tell you that allso the part between the cylinder and the
switch must be replaced, but why can they easely change the service
cylinder alone?
 
I have a cylinder for 5 years (100$) laying in my dashboard cabinet. I
fixed the lock with grpahite powder.
 
Flying Dutchman

-----Oorspronkelijk bericht-----
Van: r129list-bounces at mbcoupes.com
[mailto:r129list-bounces at mbcoupes.com] Namens Oldbenz1 at aol.com
Verzonden: zaterdag 14 juni 2008 21:37
Aan: r129list at mbcoupes.com
Onderwerp: [R129 SL] Ignition switch/key problem



My '91 500SL has developed a serious problem.  When I turn off the
ignition and try to remove the key I have trouble turning it to the
extreme counter--clockwise detent so the key can be removed  Moving the
steering wheel while attempting to turn the key does not help, nor does
using other keys (I have 3 keys for this car).  After a lot of playing
around with the key in the lock, I am finally able to remove it.
Likewise it is sometimes difficult to turn the ignition switch clockwise
to start the engine- it is sticky.  A shot of aerosol WD-40 injected
into the lock did not help.  Anyone had this problem and found a fix?
I'm afraid if I need to replace the ignition switch I may also have to
replace all the other locks as well resulting in a major expense.




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