Engine coolingPart report
2003 Mercury Marquis Engine cooling Problems
- Complaints
- 2about this part
- Share
- 6%of 33 total for the year
- Median mileage
- 36,815miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2003 Mercury Marquis, 6% of the 33 complaints for this model year. Where a mileage was given, the median is 36,815 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 2 | 6% |
| 2002 | 2 | 18% |
| 2001 | 3 | 12% |
| 2000 | 3 | 13% |
| 1999 | 3 | 13% |
| 1998 | 4 | 14% |
| 1997 | 21 | 40% |
| 1996 | 11 | 35% |
| 1995 | 1 | 5% |
| 1994 | 4 | 13% |
| 1992 | 4 | 17% |
| 1990 | 1 | 17% |
| 1988 | 1 | 11% |
| 1985 | 1 | 20% |
| 1984 | 1 | 10% |
Other parts of the 2003 Mercury Marquis
Exterior lighting
8 complaintsVehicle speed control
5 complaintsBrakes
4 complaintsElectrical system
4 complaintsSteering
4 complaintsSuspension
4 complaintsBody and structure
3 complaintsAir bags
2 complaintsFuel system
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsEquipment
1 complaints
8 complaintsVehicle speed control
5 complaintsBrakes
4 complaintsElectrical system
4 complaintsSteering
4 complaintsSuspension
4 complaintsBody and structure
3 complaintsAir bags
2 complaintsFuel system
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsEquipment
1 complaints
← All problems reported for the 2003 Mercury Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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