One problem related to rear suspension has been reported for the 2000 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Mercury Grand Marquis based on all problems reported for the 2000 Grand Marquis.
Rumbling at 60 mph. Dealer confirms symptom with unknown cause. Manf. Confirms symptom with unknown repair. Both say vehicle is safe to drive. Question: if cause is unknown, how can I be sure vehicle is safe to drive?.