Two problems related to electrical system have been reported for the 2003 Mercury Marquis. The most recently reported issues are listed below.
Jan 2016 got a recall notice on the car June called locall dealer. There response is they didn't. Know anything about the recall which was that the headlights could go while driving at night.
The consumer had to cover up the emblem in the middle of steering wheel due to the sun reflecting from it directly into his eyes, the windshield wipers were replaced, the defroster did not work properly, and there was a vibration underneath the vehicle and the rear end howled, also the vehicle had no headlights,tail lights, brake lights or dash lights.
| Electrical System problems | |
| Dash Wiring problems | |
| Battery problems |