I don't understand how the locking steering wheel could affect the ignition switch mounted on the dash. Steering wheel switches have a mechanical locking device but not those mounted on the dash.

I looked at the Power Distribution Diagram for the ignition switch and see a simple 3 pole, 4 position switch. So I went looking for switches. Found the following switches that appear to be a match for our switches. Note the 7 pins on the switch. Smarts are in the FOB for door locks and ignition switch appears to be dumb and very cheap.



Beck Arnley IGNITION SWITCH mercedes benz SLK320 2004 on eBay!

 

I repeat this is a five year old thread, the guy who started this thread made his last post in 2005.
Read up on these problems and learn a lot.
https://www.crossfireforum.org/forum...on-key-fix.pdf
https://www.crossfireforum.org/forum...n-key-fix.html
The smarts are in the ignition, and when I'm driving and the smart a$$ is in the driver seat.

 

Gramps,

I would go to the "Sticky Ignition Fix" Thread. I just dealt with this problem and fixed it myself for $170. My problem was the most severe "No turn out of Zero position".

If you need any help please PM me.

 

or make me an offer for this new key system,,, i think there is a part missing but the part # is there (in the box, jim https://www.crossfireforum.org/forum...-key-assy.html