I was going to buy this as a spare, until Amazon told me "it was not a genuine replacement part for a Crossfire". I'm glad now I didn't. I wonder why though, Amazon told me that, and none of you were told that.
I have a feature set up at Amazon called "Garage" and have all my vehicles listed there, every time I look at a part it tells me if it fits one of my cars. I have looked up some Mercedes parts just to see if it fits the Crossfire, all the others have.