1998 Mercury Marquis Engine Problems
- Complaints
- 1about this part
- Share
- 3%of 29 total for the year
- Median mileage
- 130,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 1998 Mercury Marquis, 3% of the 29 complaints for this model year. Where a mileage was given, the median is 130,000 miles.
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 contact owns a 1998 Mercury Marquis. The contact stated that while driving at 40 MPH, there was smoke coming from the hood of the vehicle. The vehicle was taken to an independent mechanic, who diagnosed that the manifold and the thermostat holder needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The VIN was not available. The approximate failure mileage was 130,000. Updated 3/24/15 the consumer stated he pulled the vehicle to the curb, inspected the engine and noticed smoke coming from a broken part, releasing anti-freeze. …”
NHTSA complaint #10679678, filed 2015-01, 130,000 milesEngine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 1998 | 1 | 3% |
Other parts of the 1998 Mercury Marquis
4 complaintsSteering
4 complaintsSuspension
4 complaintsBrakes
3 complaintsExterior lighting
3 complaintsTires
3 complaintsTransmission and drivetrain
3 complaintsBody and structure
2 complaintsVehicle speed control
2 complaintsElectrical system
1 complaintsEquipment
1 complaintsFuel system
1 complaints
← All problems reported for the 1998 Mercury Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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