1991 Mercury Grand Marquis Exterior lighting Problems
- Complaints
- 3about this part
- Share
- 4%of 82 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the exterior lighting of the 1991 Mercury Grand Marquis, 4% of the 82 complaints for this model year. 1 a fire, 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.
“Vehicle caught on fire while parked and not running. Smoke was building up inside. Fire department arrived & put flames out. Origin of fire was headlight switch. Also, private inspector indicated that it was the light switch.”
NHTSA complaint #842335, filed 1999-07Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 2 | 8% |
| 2009 | 1 | 4% |
| 2008 | 5 | 6% |
| 2007 | 5 | 5% |
| 2006 | 6 | 4% |
| 2005 | 293 | 60% |
| 2004 | 207 | 59% |
| 2003 | 207 | 57% |
| 2002 | 6 | 8% |
| 2001 | 11 | 7% |
| 2000 | 21 | 13% |
| 1999 | 20 | 12% |
| 1998 | 16 | 11% |
| 1997 | 19 | 6% |
| 1996 | 18 | 8% |
| 1995 | 16 | 9% |
| 1994 | 12 | 8% |
| 1993 | 11 | 8% |
| 1992 | 23 | 9% |
| 1991 | 3 | 4% |
| 1988 | 2 | 3% |
| 1987 | 1 | 2% |
| 1983 | 1 | 14% |
Other parts of the 1991 Mercury Grand Marquis
21 complaintsBrakes
13 complaintsVehicle speed control
12 complaintsAir bags
11 complaintsEngine cooling
10 complaintsTransmission and drivetrain
8 complaintsFuel system
4 complaintsBody and structure
4 complaintsOther or unknown
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsLatches, locks and linkages
2 complaintsSuspension
2 complaints
← All problems reported for the 1991 Mercury Grand Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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