One problem related to air bag has been reported for the 2002 Chrysler 300M. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Chrysler 300M based on all problems reported for the 2002 300M.
The clockspring failed. This connects all the controls on the steering wheel and the airbag to the car's system. The problem here is a shortage of replacements-the part is on a nationwide backorder. It would seems to me that this is a part that should always be available.