2004 Mercury Grand Marquis Transmission and drivetrain Problems
- Complaints
- 9about this part
- Share
- 3%of 348 total for the year
- Median mileage
- 16,890miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 9 complaints about the transmission and drivetrain of the 2004 Mercury Grand Marquis, 3% of the 348 complaints for this model year. Where a mileage was given, the median is 16,890 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My car a Mercury grand-marquis(2004), on october 14,2004 almost caused to my wife and myself a tragedy.in my own home, the car failed in transmission to go rear, instead went forward into my backyard,crashed against a tree and went into a lake in my property. As a result the car was towed to alan ford in bloomfield hills,mi for rapaired with damages over $14.000.I made the a complain by phone to the NHTSA and promissed a leter peply which nevr happened and folow up calls it was informed to me that there was never a record of my call.”
NHTSA complaint #10100634, filed 2004-11, 12,000 miles“Stopped at red light. Engine stopped. Could not restart. Was towed to lincoln/Mercury dealer. Diagnosis indicated failure of powertrain command module. According to service manager this failure could take place at any time or place and at any speed. Subsequent to this the heater motor blower control unit failed.”
NHTSA complaint #10144515, filed 2005-12, 17,300 miles“New 2004 Mercury marquis. Had car for one day. Attempted to make a quick left turn by depressing accelerator to the floor. Motor started revving up but the car would not move. Let off gas and transmission engaged. After making the turn,stopped the car, still in drive, put the gas pedal to the floor. The engine went into high revs and the car moved very slow,released the gas and the transmission once again engage. Took car back to dealer and they are replacing the transmission.”
NHTSA complaint #10088779, filed 2004-08, 375 miles“The transmission keeps stalling on upgrades.. It stalls on grades after the first week...the transmission will not hold up under pressure....it continues to lose pressure...power...it must be recalled.. The first one I had I thought should be recalled but the dealership gave me another after 8 months....it is doing the same thing please somebody help I will go everywhere I know and make this public until this is resolved.”
NHTSA complaint #10080564, filed 2004-07“The contact owns a 2004 Mercury Grand Marquis. The contact stated that the vehicle was taken in for service and it was determined that the upper intermediate drive shaft was starting to separate. The manufacturer was made aware of the failure. The vehicle was not repaired. The failure mileage was 88,000.”
NHTSA complaint #10711894, filed 2015-04, 88,000 milesRelated service bulletins
- 10020077Jul 19, 2006Catalytic converter brick rattle or buzzing noise.
- 10014100Jan 1, 2006Limited slip axle chatter, shudder, binding sensation, or vibration during low speed turning maneuvers.
- 10014086Dec 13, 2004General (pcm) power train control module programming procedures.
- 10013369Nov 1, 2004General power train control module (pcm) programming procedures.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 2 | 8% |
| 2009 | 2 | 8% |
| 2008 | 3 | 4% |
| 2007 | 5 | 5% |
| 2006 | 4 | 3% |
| 2005 | 5 | 1% |
| 2004 | 9 | 3% |
| 2003 | 12 | 3% |
| 2002 | 1 | 1% |
| 2001 | 13 | 8% |
| 2000 | 6 | 4% |
| 1999 | 12 | 7% |
| 1998 | 8 | 6% |
| 1997 | 12 | 4% |
| 1996 | 15 | 6% |
| 1995 | 11 | 6% |
| 1994 | 18 | 12% |
| 1993 | 29 | 20% |
| 1992 | 29 | 11% |
| 1991 | 8 | 10% |
| 1990 | 6 | 11% |
| 1989 | 6 | 10% |
| 1988 | 4 | 5% |
| 1987 | 1 | 2% |
| 1986 | 1 | 5% |
| 1985 | 1 | 5% |
| 1983 | 3 | 43% |
Other parts of the 2004 Mercury Grand Marquis
207 complaintsSteering
65 complaintsElectrical system
40 complaintsVehicle speed control
23 complaintsVisibility (wipers, defrost, mirrors)
11 complaintsEngine cooling
10 complaintsBody and structure
8 complaintsBrakes
7 complaintsAir bags
6 complaintsFuel system
6 complaintsInterior lighting
6 complaintsTires
5 complaints
← All problems reported for the 2004 Mercury Grand Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology