One problem related to battery has been reported for the 1999 Mercury Marquis. The most recently reported issues are listed below.
Dt keyless entry pad caught on fire,vehicle was in garage could spell smoke, had to disconnect the battery. Contacted the dealer said there is no recall, contacted the manufacturer said they couldn't do anything cause the vehicle is no longer under warranty. Water can get down in the switch and combination of age can create a problem. There should be a solid cover over this.
| Battery problems | |
| Dashboard Failed problems | |
| Car Will Not Start problems |