Audi,BMW Mercedes Benz,which of these are best looking.?

don't say it depends on the model.I am asking which of these manufacturers make the best stylish cars, i don't care about MPG,or what type of engines.....I know its very hard,BUT i'd say it's Mercedes Benz to me...I like the SUV GL Class, super cars Mercedes Benz Mclaren..E Class coupe.