E63 and the S550 are two different cars. If you want mainly performance, the E63 is a better choice. The S is bigger, more luxurious, and heavier. But it does have ABC and a lot of nice perks.
You might find the E63 to be more nimble and performance oriented. It's still very comfortable. I went from a E350 to a 2009 E63 because I was bored with driving it. The E350 is a...



