We had a Mecedes wagon with a rear seat but were looking for a vehicle with a larger interior. We also waited for the 2008 that created a 3 person seat in the second row. This vehicle has been everything my wife has wanted and she can handle its size even in tight locations. She loves to drive it. I happen to like to drive it as well. With all the SUVs on the road and having two younger children, we feel much safer in this vehicle, even over the MB wagon. The long wheel base makes for a very smooth drive and ride (even in the 3rd seat that two adults can sit comfortably in). This is definitely a vehicle worth test driving! It will make you strongly consider it as a purchase option.
I love the panoramic roof with all the glass to see out. It makes sitting in the 2nd or 3rd seat seem much more open. The back-up camera is a great help along with the bumper sensors that let you know if you are coming too closs to an object. The seating is also very comfortable.
The transmission paddles that are on the backside of the steering column could be better placed so that you don't accidently engage them. However, after a couple of weeks of driving, you never know they are there.