I've only had my car for a few months but here's my take. There has to be something they can do to the roof to help me have a open air feeling to that car. The city mileage is terrible, highway with cruise 23 to 24 not bad. But I don't know why they can't do better, my E500 averaged 21 and I saw a high of 27 in a car that had over 300 hp and was bigger. I wish the transmission helped with the city driving. Yes the car is fast, but am I the only one who thinks this car want to go ballistic on the highway. Not that I'm complaining I just wish the 0-60 matched the height a bit more.
Good centered weight is awesome which allows really quick steering, fantastic seats, not overdone interior, and the LED lights.
Ditch the top speed restricter, fix the sun roof, and finish the already excellent iPod interface. How, it should start in a menu, not on artist A, first song. Secondly, when scrolling through a large list, it shouldn't go to 1100 of 3600. Give me letters. Also the ability to wipe a M3 off the plnt