Yeah, I thought it was kinda fishy too.
If only he'd included a picture of the engine.

I've never heard a 5.0l AMG Mercedes diesel to be honest..
If it was real.. boy imagine the torque it has..

but apparently, he's got good feedback.

Check this one out, I wish I could buy it straight away!

http://cgi.ebay.com/ebaymotors/aw-cgi/eBayISAPI.dll?ViewItem&item=593598429

BTW,
CD_NY,
That's a nice 190E, what's the mileage anyway?