MKB is a VERY respected tuner, but not so well known in the USA as Kleeman, Brabus, Lorinser and the old AMG...

Some serious, hard core drifting here.

YouTube - Mercedes CL AMG drift

Pretty cool, Jim. I don't speak any German, but I thought I heard the word "Nirvana" in there somewhere. Were the tanks in the trunk water tanks to put additional weight on the drive wheels?