MERCURY MARQUIS · model year

1991 MERCURY MARQUIS

10 NHTSA complaints, 2 crash reports for this specific cohort.

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.

Component-level analysis is where model-year complaints become actionable: the top complaint category 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). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 22 investigation files overlapping the 1991 MARQUIS. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

10
Complaints
2
Crashes
3
Fires
4
Injuries
0
Deaths

Total Complaints

10 filings

Crashes Reported

2 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR2
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS1
STEERING: STEERING WHEEL/HANDLE BAR1
SEATS1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS1
VEHICLE SPEED CONTROL1
VEHICLE SPEED CONTROL:CABLES1
AIR BAGS:FRONTAL1
ELECTRICAL SYSTEM1

Recent Complaints

20040430FireELECTRICAL SYSTEM

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

20030311AIR BAGS:FRONTAL

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

19990323VEHICLE SPEED CONTROL:CABLES

ACCELERATOR CABLE JAMMED, CAUSING THREE CASES OF SUDDEN ACCELERATION/LOSS OF CONTROL/ACCIDENT/INJURY.

19990312VEHICLE SPEED CONTROL

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

19990220SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

REAR BRAKE LINE PUNCTURED DUE TO CONTACT WITH OR AGAINST BODY WELD SEAM DIRECTLY UNDER MASTER CYLINDER NEAR FOOT WELL. *AK

19971216FireELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

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

19961007CrashSTEERING: STEERING WHEEL/HANDLE BAR

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

19961007CrashSEATS

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

19960702FireELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

ALTERNATOR BURNED OUT, CAUSED STALLING AND LOSS OF POWER STEERING. *AK

19951107SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

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

Compare 1991MERCURYMARQUIS to Similar Vehicles

NHTSA Investigations

View all investigations

Frequently Asked Questions

How many complaints does the 1991 MERCURY MARQUIS have?
The 1991 MERCURY MARQUIS has 10 NHTSA complaints, 2 crashes, 3 fires, 4 injuries, and 0 deaths reported.
What are the most common problems with the 1991 MERCURY MARQUIS?
The most-complained component for the 1991 MERCURY MARQUIS is ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR with 2 complaints. Other frequently reported areas include SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS and STEERING: STEERING WHEEL/HANDLE BAR.
Is the 1991 MERCURY MARQUIS safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. 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.