MY 1999 MERCEDES ML-320 WAS TRAVELING ON A THROUGH HIGHWAY AT ABOUT 40 MPH WHEN IT WAS BROADSIDED AT THE INTERSECTION BY ANOTHER VEHICLE, WHICH APPARENTLY DIDN'T STOP AT THE STOP SIGN. AS A RESULT OF THE IMPACT, MY VEHICLE ROLLED OVER TWICE. THE SIDE AIRBAGS DIDN'T DEPLOY. I AM CONCERNED THAT THEY WERE DEFECTIVE; THEREFORE, I AM REQUESTING A SAFETY INVESTIGATION REGARDING POSSIBLE DEFECTS IN THE AIRBAGS OR DEVICES CONTROLLING SIDE AIRBAG DEPLOYMENT. *TR