The car comes equipped with a collision warning system and brakes for you. Well built vehicles any way you look at it.
You'll be thinking twice I suspect next time you pull up next to one. Would be very embarassing to get smoked by a estate sedan in a mustang..
the only reason i don't like those systems(as i actually think they're pretty dam amazing) is because of human nature. when i feel too tired to drive.....i don't. i would suspect you do the same. i tend to pay attention to traffic around me, especially at intersections. i presume you do the same.
yet, that commercial which i quoted the first few lines from, is telling mercedes owners that "hey!! are you too tired to drive to the night club tonight? don't worry about it! your mercedes will pay attention for you!"
human nature is to push things. everyone does it somewhere/somehow. all of those safety systems in a car will have those owners driving when they're in no condition to drive.
and for thinking twice when i pull up next to one?
i NEVER think twice about a stoplight challenge, unless there's a cop around. it doesn't matter what i'm driving, nor does it matter what's next to me. the fun is in the challenge. i've even raced my wrangler(with a 2.5 liter 5 speed).