One problem related to front air bag has been reported for the 2009 Mercury Mariner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Mercury Mariner based on all problems reported for the 2009 Mariner.
Air bag on the passenger side turns off and on when daughter age 34 weight 120 sets in the seat. Dealers agrees that it is not working. Mercury dealer and Ford was unable to fix the problem and state that this is normal and any further investigation would be at my cost. This has been a problem since purchase, car now has 8000 miles and has been at the dealer for a total of 16 days.
| Air Bag Not Deploy problems | |
| Front Air Bag Sensor Control problems | |
| Front Air Bag problems |