2004 Mercury Grand Marquis
This year had more than double the complaints of this model's typical year.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1980 | 0 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 7 |
| 1984 | 15 |
| 1985 | 21 |
| 1986 | 21 |
| 1987 | 47 |
| 1988 | 73 |
| 1989 | 58 |
| 1990 | 58 |
| 1991 | 82 |
| 1992 | 260 |
| 1993 | 147 |
| 1994 | 161 |
| 1995 | 179 |
| 1996 | 239 |
| 1997 | 316 |
| 1998 | 143 |
| 1999 | 164 |
| 2000 | 162 |
| 2001 | 157 |
| 2002 | 78 |
| 2003 | 362 |
| 2004 | 347 |
| 2005 | 487 |
| 2006 | 143 |
| 2007 | 96 |
| 2008 | 78 |
| 2009 | 26 |
| 2010 | 24 |
| 2011 | 9 |
KNOWN PROBLEM AREAS
Percentages can add to more than 100% -- a complaint can name more than one system.
61% of complaints: exterior lighting — 210 distinct reports on file, most commonly citing headlights and turn signal.
CRASH INJURYShow complaint excerpts
HEADLIGHTS GO OUT UNEXPECTEDLY AND W/O WARNING. THIS HAS HAPPENED AT ALL DIFFERENT SPEEDS, IN A PARKING LOT 5-10MPH, ON ROADWAY 30-45MPH AND ON THE HIGHWAY65-70MPH. LIGHTS WILL COME BACK ON JUST AS UNEXPECTEDLY W/O APPARENT CAUSE.
NHTSA ODI report, 20141224
Also filed under ELECTRICAL SYSTEM
The rear running lights are not working. No lights in rear of vehicle at night.
NHTSA ODI report, 20240622
My front headlights stopped working and I was driving in the dark.
NHTSA ODI report, 20231115
19% of complaints: steering — 67 distinct reports on file, most commonly citing rack and pinion and linkages.
CRASH INJURY DEATHShow complaint excerpts
THE OCCUPANTS (MALE DRIVER, FEMALE PASSENGER) WERE DRIVING DURING DAYLIGHT HOURS BACK HOME FROM AN APPOINTMENT. AS THE VEHICLE APPROACHED A CURVE THE DRIVER WAS UNABLE TO TURN THE STEERING WHEEL TO ANY EXTENT TO HOLD HIS LANE IN THE CURVE.
NHTSA ODI report, 20140404
12% of complaints: electrical system — 40 distinct reports on file, most commonly citing key/sender and instrument cluster/panel.
CRASH FIRE INJURY7% of complaints: vehicle speed control — 23 distinct reports on file, most commonly citing accelerator pedal and cruise control.
CRASH FIRE INJURYShow complaint excerpts
While driving, I came to a stop light and suddenly, the car idled high and lurched forward while my foot was on the brake, luckily, I was stopped well away from the vehicle in front of me. The car idled high and seemed to have a mind of it's own.
NHTSA ODI report, 20220901
Also filed under ENGINE and FUEL/PROPULSION SYSTEM
DT: THE VEHICEL ACCELERATED SUDDENLY AND THE BRAKES COULD NOT STOP IT. WHILE IN A PARKING LOT TO PUT AIR IN THE TIRES THE VEHICLE JUST TOOK OFF AND CRASHED INTO A BUILDING.
NHTSA ODI report, 20050802
WHEN THE CONSUMER ATTEMPTED TO COME TO A STOP , THE VEHICLE ACCELERATED INTO A BUILDING. THE VEHICLE WAS TOWED. *JB THE DEALER COULD NOT FIND ANYTHING WRONG. THE CONSUMER FOUND SEVERAL SIMILAR INCIDENTS. *SC
NHTSA ODI report, 20041020
3% of complaints: engine and engine cooling — 10 distinct reports on file, most commonly citing manifold/header/muffler/tail pipe and engine.
FIRESAFETY TIMELINE
SPARK PLUG EJECTION FROM CYLINDER HEAD
CERTAIN AFTERMARKET FUEL FILTERS SOLD UNDER THE PUROLATOR BRAND NAME, P/N F65277, SHIPPED FROM JANUARY 16 THROUGH JUNE 2, 2006, FOR USE ON THE ABOVE LISTED PASSENGER VEHICLES. DUE TO INCORRECT DESIGN
Remedy: UFI WILL NOTIFY OWNERS AND REPLACE THE FILTERS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2006. OWNERS MAY CONTACT UFI FILTERS USA AT 800-230-5876.
Campaign 06E056000 — check if this car was fixed
LOSS OF HEADLIGHT FUNCTION
Steering Column Shaft Obstruction
Loss of headlamp/exterior lighting
Loss of headlights
Ford Motor Company (Ford) is recalling certain model year 2003-2005 Ford Crown Victoria and Mercury Grand Marquis vehicles manufactured October 3, 2001, to August 2, 2005.
Remedy: Ford will notify owners, and dealers will replace the LCM, free of charge. The recall began April 14, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 15S39.
Campaign 15V861000 — check if this car was fixed
BUY-SMART CHECKLIST
2004 Mercury Grand Marquis — pre-purchase inspection
- Test/inspect for exterior lighting issues (210 reports on file for this year).
- Test/inspect for steering issues (67 reports on file for this year).
- Test/inspect for electrical system issues (40 reports on file for this year).
- Verify recall 06E056000 (fuel system, gasoline) has been completed.
- Verify recall 15V861000 (exterior lighting) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST YEARS
FAQ
Is the 2004 Mercury Grand Marquis reliable?
Based on NHTSA complaint volume compared to this model's typical year, the 2004 Mercury Grand Marquis is rated "significantly worse".
What are the most common problems with the 2004 Mercury Grand Marquis?
The most-reported component is exterior lighting, accounting for 61% of complaints on file.
How many recalls does the 2004 Mercury Grand Marquis have?
2 recalls on file for this model year.
Data updated 2026-09-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.