Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 11 of 12 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Exterior Lighting. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Steering. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electrical System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
12 reports
70,000 miles · Apr 8, 2013
Exterior Lighting
TL* THE CONTACT OWNS A 2004 MERCURY MARQUIS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 55 MPH, THE HEADLIGHTS SUDDENLY BECAME INOPERATIVE. THE BRIGHT HEADLIGHTS WERE ACTIVATED IN ORDER TO CONTINUE DRIVING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND THREE AUTHORIZED DEALERS FOR THE SAME DEFECT. THE CONTACT WAS…
Read full complaint
TL* THE CONTACT OWNS A 2004 MERCURY MARQUIS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 55 MPH, THE HEADLIGHTS SUDDENLY BECAME INOPERATIVE. THE BRIGHT HEADLIGHTS WERE ACTIVATED IN ORDER TO CONTINUE DRIVING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND THREE AUTHORIZED DEALERS FOR THE SAME DEFECT. THE CONTACT WAS ADVISED THAT THE PROCESSOR LIG WOULD NEED TO BE REPLACED HOWEVER, THE PART WAS NOT IN STOCK. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 70,000. UPDATED 6/14/13 *CN UPDATED 07/17/2013 *JS
NHTSA ODI #10507467
Mileage unknown · Jan 3, 2013
Exterior Lighting
CONSUMER STATED HIS HEADLIGHTS ON HIS 2004 MERCURY MARQUIS ARE GOING OUT WHILE HE DRIVES AT NIGHT. *LN.. UPDATED 01/14/13 *BF THE CONSUMER STATED THE OFFICIAL FORD SOLUTION TO THE HEADLIGHT PROBLEM WAS TO REPLACE THE ENTIRE LIGHTING CONTROL MODULE AT A COST OF $500. UPDATED 01/14/13 1/17/2013*JS UPDATED
NHTSA ODI #10491262
Official recalls
0
No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
2004 Mercury Marquis Problems, Complaints & Recalls | Skip That Year
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