Selling 25,000 units the first year and probably thru it's production run is all DC cares about.Remeber this is a SLk reskinned .And it would be Cheaper for you V-8 guys to buy the SRT6 or a Corvette with 400hp.
The Slk platform and the C cars Benz make are all based off the same Platform,You can now buy a 55V-8 in the C sedan about $58k,so maybe they'll put it in the Crossfire for kicks.