I know that on the W140 at least, that the star and the crest are interchangeable. I would be surprised if it were different on the SLK.

__________________
"It's not about how fast you can go, but how well you can go fast."

Bob in Richmond

'97 S320 (LWB), Ruby Red Metallic, 73k miles
'97 S420V, Smoke Silver Metallic, 155k miles