SLK/R171: MB SLK 63!? Camo'ed, in Montvale NJ by MB USA HQ

I posted this on a BMW forum but no one there knew... surprise.
I just saw this on my way home and am wondering why a SLK with manufacturer's plates would drive around MB HQ in Montvale NJ camo'ed up and de-badged.
It did not sound like an AMG, neither did it have quad exhaust pipes. The wheels look like regular SLK 350 issue and the camo was only on the front and rear bumper as well as lights.
Sorry for the crappy pics, the crackberry's cam is not its best feature.
Any ideas?
Thx in advance, this is bugging me.

Badging was removed.
The exhaust pipes had large openings, but only a small pipe was visible. The car had Michigan Manuf. plates.
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From the pics, it looks like an everyday SLK 350 in Designo color. Can't tell much from your pics other than we know it's a SLK.





