Total Complaints
10 filings
MERCURY MARQUIS · model year
10 NHTSA complaints, 2 crash reports. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1991MERCURYMARQUIS carries 10 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 2 crashes, 3 fires, 4 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
The most frequently selected component label in reports for the 1991 MARQUIS is electrical system:alternator/generator/regulator with 2 filings, followed by service brakes, hydraulic:foundation components (1) and steering: steering wheel/handle bar (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 22 investigation files overlapping the 1991 MARQUIS. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
Total Complaints
10 filings
Crashes Reported
2 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR | 2 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS | 1 |
| STEERING: STEERING WHEEL/HANDLE BAR | 1 |
| SEATS | 1 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS | 1 |
| VEHICLE SPEED CONTROL | 1 |
| VEHICLE SPEED CONTROL:CABLES | 1 |
| AIR BAGS:FRONTAL | 1 |
| ELECTRICAL SYSTEM | 1 |
WHILE VEHICLE WAS PARKED, IT CAUGHT ON FIRE WITHOUT WARNING. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE, AND VEHICLE WAS TOWED TO THE DEALER FOR INSPECTION. THE CAUSE HAS NOT BEEN DETERMINED AT THIS TIME. *LA
THE DRIVER SIDE AIR BAG DEPLOYED WITHOUT IMPACT AND CAUSED INJURIES TO THE CONSUMER.*JB THE DRIVER SIDE AIR BAG DEPLOYED WITHOUT IMPACT AND CAUSED INJURIES TO THE CONSUMER. *MR
ACCELERATOR CABLE JAMMED, CAUSING THREE CASES OF SUDDEN ACCELERATION/LOSS OF CONTROL/ACCIDENT/INJURY.
WHILE VEHICLE WAS PARKED IN DRIVEWAY CONSUMER CHANGED GEAR TO REVERSE AND VEHICLE ACCELERATED FOR UNKNOWN REASON. DEALER/ MANUFACTURER WERE NOT NOTIFIED AT THIS TIME. SEEKING HELP IN THIS MATTER FORM NHTSA . ALSO VEHICLE IS EQUIPPED WITH CRUSIE CONTROL. *AK
REAR BRAKE LINE PUNCTURED DUE TO CONTACT WITH OR AGAINST BODY WELD SEAM DIRECTLY UNDER MASTER CYLINDER NEAR FOOT WELL. *AK
THE VEHICLE WAS PARKED OUT IN FRONT OF THE HOUSE AND NEIGHBOR NOTICED THAT SMOKE WAS COMING FROM UNDERNEATH THE HOOD OF THE VEHCILE, RAISED THE HOOD UP AND EVERYTHING HAD BURNED UP UNDER THE HOOD. VEHICLE WAS TOWED TO A DEALER, WAS TOLD THAT THE ALTERNATOR HAD CAUSED THE FIRE. *AK
DIRIVNG AT SPEED 30MPH, TRIED TO MAKE A RIGHT TURN STEERING WHEEL LOCKED UP, CAUSING THE VEHICLE TO ROLL OVER. *AK CONSUMER STATES THE SEAT BROKE IN THE ACCIDENT, HOWEVER SEATBELT HELD HER IN, CONSUMER WAS INJURED IN ACCIDENT. *SLC
DIRIVNG AT SPEED 30MPH, TRIED TO MAKE A RIGHT TURN STEERING WHEEL LOCKED UP, CAUSING THE VEHICLE TO ROLL OVER. *AK CONSUMER STATES THE SEAT BROKE IN THE ACCIDENT, HOWEVER SEATBELT HELD HER IN, CONSUMER WAS INJURED IN ACCIDENT. *SLC
ALTERNATOR BURNED OUT, CAUSED STALLING AND LOSS OF POWER STEERING. *AK
BRAKING PROBLEMS. TT THE VEHICLE ACCELERATED DID NOT STOP WHEN BRAKES WERE APPLIED. THE DEALER REPAIRED THE VEHICLE BUT CONSUMER WAS NOT CONFIDENT IT WOULD NOT HAPPEN AGAIN. *YH
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 1991 MERCURY MARQUIS; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.