Having jumped into thousands of new cars over the course of nearly three decades, it isn’t often that you’re hit with a car so unfamiliar that it takes you a full minute to figure out how to just pull out of a parking spot. Encountering the 2007 Mercedes-Benz S550 for the first time requires a recalibration of the “been-there, done-that” attitude and an appreciation of the fact that some people are still thinking hard and long about the nature of the automobile and where it’s going….