Air Bag Not Deploy problems of the 1999 Mercedes Benz ML320

I was in an accident a week ago my airbags did not deploy under serious impacts my car rolled serveral times before comming to a stop on its side not one airbag went off also there was a warning light lit up about the bas system and some other malfunction the two warning lights never went off they stayed on constant while driving I have serious injuries due to no airbags going off im very dissappointed in the fact this could have been fixed and prevented another friend has the same problem as I do and will file their own compl;aint now I dont have a vehical period what am I susposed to do? if my kids were with me I would sue for sure thank god they were not with me !!! come on mercedes fix the problem before more people get hurt your well aware of this problem already do something!!.