stoplock

Hi All, Just as an added visual deterrent I was thinking of putting one of those stoplocks below on my CLK200K. I was going to pick up a 2nd hand one of ebay but my mate said to me to try and find out if it will fit as apparently they dint fit on every steering wheel? Anyone got one...

I've just changed my wheels to Winter's, what should have taken an hour has taken the best part of the day. I got the first two changed no problem, then the third lock nut would not budge. Pretty much tried eveything bearing in mind I was at home, eventually I gave up and looked at the key, one...