1999 Mercury Grand Marquis Other or unknown Problems
- Complaints
- 2about this part
- Share
- 1%of 164 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the other or unknown of the 1999 Mercury Grand Marquis, 1% of the 164 complaints for this model year.
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.
“The consumer states that the panel underneath the dash falls down while driving. The vehicle has been repaired by the dealer on two occasions and the problem is reoccurring. Nlm”
NHTSA complaint #8007911, filed 2002-04Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 1 | 4% |
| 2008 | 3 | 4% |
| 2007 | 1 | 1% |
| 2006 | 5 | 4% |
| 2005 | 10 | 2% |
| 2004 | 2 | 1% |
| 2003 | 6 | 2% |
| 2002 | 2 | 3% |
| 2001 | 3 | 2% |
| 2000 | 6 | 4% |
| 1999 | 2 | 1% |
| 1998 | 2 | 1% |
| 1997 | 5 | 2% |
| 1996 | 3 | 1% |
| 1995 | 6 | 3% |
| 1994 | 5 | 3% |
| 1992 | 7 | 3% |
| 1991 | 3 | 4% |
| 1990 | 2 | 4% |
| 1984 | 2 | 13% |
Other parts of the 1999 Mercury Grand Marquis
26 complaintsExterior lighting
20 complaintsSuspension
18 complaintsSteering
16 complaintsElectrical system
15 complaintsTires
12 complaintsTransmission and drivetrain
12 complaintsVehicle speed control
12 complaintsBrakes
9 complaintsEngine
7 complaintsSeat belts
7 complaintsBody and structure
7 complaints
← All problems reported for the 1999 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