Yes, he does know what he has, thank heaven! He's taking very good care of it. (BTW, he's only 17)
He was there with his mom, and they were both asked alot of questions about the car. They assured us that everything is origional on it, including the wheels/hubcaps.
Here's a link to a few pix the owner posted at MBCanada:
http://www.mbcanada.com/forum/index.php?showtopic=1768
(That silver CLK you see next to it is also his)