I just ordered from the guy. I emailed him back and forth the one for the earlier SLK 320 does have the red IR window. As soon as I get it, I will give more info. If it's the correct one, I told him he needs to advertise the Crossfire as well because mine is totally crap. I'm hoping I can tap out the pin for the key blade and use my original key as well. Will post when I know more.