A good friend just picked up a CLS 63 with 030 Performance package.
The steering wheel is very nice, 030 package gives you a nice half leather
half Alcantara wheel, the paddle shifters are definitely nice, very firm and solid when shifting. First impression on the power, it doesn't have immediate throw back like the 55, when I got on it I was waiting for it to move, it eventually did, but not like the 55. The car only had 25 miles so I didn't want to abuse it, took it to 7K once and it did feel smooth. 7 speed tranny was nice, definitely an improvement over the 5 speed. Brakes on the 030 were very touchy, I did feel a slight improvement over the non 030. All in all a nice change, but I do prefer my 55 over it. I think for the 55 owners to upgrade would take some TT's on 63 to make the change.