One problem related to air conditioner has been reported for the 2004 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Mercury Grand Marquis based on all problems reported for the 2004 Grand Marquis.
The air condition on and spontaneously heat comes on. The dashboard gets extremely hot and can not stop the heat. Unable to turn off a/c or adjusting temperature will over idea the problem. We fear this could become a fire hazard so we've parked the car waiting to hear from Ford motors. This occurred while driving.
| Equipment problems | |
| Air Conditioner problems |