One problem related to brake light 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.
T* the contact owns a 2000 Mercury Grand Marquis. While driving approximately 45 mph with the high beam headlights activated, the instrument panel indicators, headlights, and brake lights flashed continuously. The vehicle was not repaired and the manufacturer was not notified. The approximate failure mileage was unknown.