just changed out the ignition switch in a 1988 560sel, because of locking when trying to turn the key. new ignition still locks (according to my other half), as she is driving the car.

i suggested spraying some wd-40 in the switch to see if that would help. am i on base with the suggestion or is there something that i am missing.

lyle
austin, tx

I would sure be using a dry lube rather than WD40.

Might be worth having a lock smith look at it too.

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."

Did you change the switch (electrical bits on the rear of the lock assembly), the tumbler (where you put the key), or the lock assembly (aluminum piece that extends down into the steering column)?

On my 300SD, it was the column lock bar in the lock assembly that was worn and jamming when the key was removed. I replaced it, and reused the same lock tumbler, with no binding issues.

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-Josh
Testing the cheap Mercedes axiom, one bolt at a time...