Two problems related to defogger controls have been reported for the 1997 Mercury Mystique. The most recently reported issues are listed below.
While driving heater blower switch overheated, almost resulting in a vehicle fire.
Heater fan switch failed. Nlm.
| Windshield problems | |
| Defogger Controls problems | |
| Defogger problems | |
| Blower problems | |
| Windshield Wiper/washer problems |