One problem related to instrument panel has been reported for the 2006 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Mercury Grand Marquis based on all problems reported for the 2006 Grand Marquis.
Digital speedometer unreadable in daylight driving after working perfectly for 7 months dealer replaced headlamp switch and dashboard cluster assembly still not fixed after 4 months.
| Electrical System problems | |
| Wiring problems | |
| Instrument Panel problems |