I figured the MB air box would look better than the "powered by Mercedes Benz" badge. I wasn't too concerned with adding extra airflow and wanted the swap to be as seamless as possible. I now know that it should be as the #'s I was given for the intake tubes on the SLK 112-094-25-82 and 112-094-24-82 match the #'s on the intake tubes on my XF, so one cover should pop off and the other right on. I'll probably add the K & N air filters to add a little extra flow anyway.