wow.. I never had any of those problems =( but luckily those are all minor things that you can fix yourself if you know how.. except for the air bag... well.. I fixed most of the major stuff already (because it was free and I wanted to do it before my warranty was over) such as transfer case, fuel filter, window switch, and one of my seatbelts had problems.. after my warranty was over my air mass sensor screwed up on me! $650 canadian dollars! but i fixed it myself ... with the help of a computer scanner... I read a article somewhere that claims certain models of mercedes the engines are hand built and have the signature of the person who made it.. now i think that is very cool...