Total Complaints
106 filings
MERCURY GRAND MARQUIS · model year
1991 MERCURY GRAND MARQUIS
106 NHTSA complaints, 13 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1991MERCURYGRAND MARQUIS carries 106 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 13 crashes, 15 fires, 14 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 GRAND MARQUIS is electrical system:alternator/generator/regulator with 10 filings, followed by vehicle speed control (8) and power train:automatic transmission (7). 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 3 investigation files overlapping the 1991 GRAND 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.
106
Complaints
13
Crashes
15
Fires
14
Injuries
0
Deaths
Crashes Reported
13 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR | 10 |
| VEHICLE SPEED CONTROL | 8 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 7 |
| AIR BAGS | 6 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR | 5 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 5 |
| ELECTRICAL SYSTEM:WIRING | 4 |
| ELECTRICAL SYSTEM:IGNITION | 4 |
| AIR BAGS:FRONTAL | 3 |
| STRUCTURE:BODY:DOOR | 3 |
| VEHICLE SPEED CONTROL:CABLES | 3 |
| UNKNOWN OR OTHER | 3 |
| ENGINE AND ENGINE COOLING:ENGINE | 3 |
| ELECTRICAL SYSTEM | 2 |
| EXTERIOR LIGHTING:TURN SIGNAL | 2 |
Recent Complaints
20180719ELECTRICAL SYSTEM
1991 MERCURY GRAND MARQUIS. CONSUMER WRITES IN REGARDS TO DEFECTIVE AFTER MARKET ELECTRICAL COMPONENT. *LD THE CONSUMER PURCHASED A NEW STARTER SOLENOID RELAY, BWD SELECT BRAND BY STANDARD MOTOR PRODUCTS INC., AFTER ABOUT 10 DAYS, IT SHORT-CIRCUITED. DUE TO THIS THE STARTER WOULD NOT DISENGAGE FROM THE FLYWHEEL WHEN STARTING THE VEHICLE. IT MADE A VERY LOUD METAL GRINDING SOUND. THE VEHICLE WAS REPAIRED WITH A NEW STARTER RELAY. *JS
20040422SERVICE BRAKES, HYDRAULIC
POWER WINDOW ON THE PASSENGER SIDE DOES NOT GO DOWN AT ALL.THE CAR KEEPS KILLING THE BATTERY AND I'VE ALREADY SPENT MONEY ON AN ALTERNATOR USED. BRAKE PEDAL SEEMS STIFF AT TIMES AND DOES NOT GRAB WELL AT TIMES. AIR BAG LIGHT HAS BEEN BLINKING EVER SINCE I BOUGHT CAR BECAUSE OF AIR BAG FAILURE. IT WAS DISCONNECTED BY THE GARAGE THAT THE OWNER BEFORE ME HAD BOUGHT IT FROM.
20040422AIR BAGS
POWER WINDOW ON THE PASSENGER SIDE DOES NOT GO DOWN AT ALL.THE CAR KEEPS KILLING THE BATTERY AND I'VE ALREADY SPENT MONEY ON AN ALTERNATOR USED. BRAKE PEDAL SEEMS STIFF AT TIMES AND DOES NOT GRAB WELL AT TIMES. AIR BAG LIGHT HAS BEEN BLINKING EVER SINCE I BOUGHT CAR BECAUSE OF AIR BAG FAILURE. IT WAS DISCONNECTED BY THE GARAGE THAT THE OWNER BEFORE ME HAD BOUGHT IT FROM.
20040422UNKNOWN OR OTHER
POWER WINDOW ON THE PASSENGER SIDE DOES NOT GO DOWN AT ALL.THE CAR KEEPS KILLING THE BATTERY AND I'VE ALREADY SPENT MONEY ON AN ALTERNATOR USED. BRAKE PEDAL SEEMS STIFF AT TIMES AND DOES NOT GRAB WELL AT TIMES. AIR BAG LIGHT HAS BEEN BLINKING EVER SINCE I BOUGHT CAR BECAUSE OF AIR BAG FAILURE. IT WAS DISCONNECTED BY THE GARAGE THAT THE OWNER BEFORE ME HAD BOUGHT IT FROM.
20040422VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
POWER WINDOW ON THE PASSENGER SIDE DOES NOT GO DOWN AT ALL.THE CAR KEEPS KILLING THE BATTERY AND I'VE ALREADY SPENT MONEY ON AN ALTERNATOR USED. BRAKE PEDAL SEEMS STIFF AT TIMES AND DOES NOT GRAB WELL AT TIMES. AIR BAG LIGHT HAS BEEN BLINKING EVER SINCE I BOUGHT CAR BECAUSE OF AIR BAG FAILURE. IT WAS DISCONNECTED BY THE GARAGE THAT THE OWNER BEFORE ME HAD BOUGHT IT FROM.
20040229FireELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
ALTERNATOR SPONTANEOUSLY CAUGHT ON FIRE AFTER THE CAR WAS STOPPED AND TURNED OFF. *JB
Mileage: 85,988
20030815FireELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
AFTER PARKING VEHICLE IN DRIVEWAY CONSUMER WAS EMPTYING THE TRUNK AND NOTICED SMOKE COMING FROM UNDER THE HOOD. A FIRE SOON ERUPTED FROM THE PASSENGER'S SIDE UNDER THE HOOD, AND WAS QUICKLY EXTINGUISHED. AFTER CAREFUL EXAMINATION OF THE RESULTS, IT WAS DETERMINED BY A CERTIFIED MECHANIC THAT THE ALTERNATOR AND THE CABLE HARNESS CAUSED THE FIRE.*AK
Mileage: 74,000
20030815FireELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
AFTER PARKING VEHICLE IN DRIVEWAY CONSUMER WAS EMPTYING THE TRUNK AND NOTICED SMOKE COMING FROM UNDER THE HOOD. A FIRE SOON ERUPTED FROM THE PASSENGER'S SIDE UNDER THE HOOD, AND WAS QUICKLY EXTINGUISHED. AFTER CAREFUL EXAMINATION OF THE RESULTS, IT WAS DETERMINED BY A CERTIFIED MECHANIC THAT THE ALTERNATOR AND THE CABLE HARNESS CAUSED THE FIRE.*AK
Mileage: 74,000
20020802ENGINE AND ENGINE COOLING:ENGINE
V8 CYLINDER ENGINE IS RUNNING 70. 8 CYLINDER IS NOT GETTING OIL, THIS CAUSES VEHICLE TO STALL OUT. PLEASE PROVIDE ANY FURTHER INFORMATION.*AK
20011127AIR BAGS:SIDE/WINDOW
CONSUMER WAS BACKING OUT OF DRIVEWAY AND DRIVER'S SIDE AIRBAG WENT OFF WITHOUT PRIOR WARNING. BE ADVISED SHE DIDN'T STRIKE ANY OBJECTS/ A CURB OR TREE. CONSUMER SUSTAINED BURNS TO HER BODY.*AK
20011120ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
VEHICLE STARTS AND RIDES FOR ABOUT 20 MILES, THEN IF I HAVE TO STOP FOR SOME REASON THE CAR STALLS ESPECIALLY IF I HAVE TO BACK UP. THIS HAPPENS ALMOST DAILLY. NO ACCIDENTS YET BUT I AM AFRAID I WILL CAUSE A SERIOUS ACCIDENT WITH THIS PROBLEM. I THINK MY CAR SHOULD BE RECALLED AND HAVE THID PROBLEM FIXED. *AK
20010914ELECTRICAL SYSTEM:IGNITION
FORD MOTOR CO. SAID THEY ARE WAITING FOR A JUDGE DECISOIN ON A PROGRAM TO REPLACE. THEY SHOULD JUST RECALL AFFECTED VEHICILES. NO SAFETY DEFECT LISTED. *AK
20010831FireELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
CONSUMER WAS DRIVING ABOUT A QUARTER OF A MILE WHEN SMOKE STARTED TO COME FROM ENGINE. CONSUMER PULLED OVER AND VEHICLE CAUGHT ON FIRE. HAS NOT CONTACTED DEALER.*AK
20010712CrashPOWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH
I PARKED MY CAR IN MY DRIVEWAY AND GOT OUT. THE CAR WAS IN "PARK" AND I WAS STANDING AT MY OPENED DOOR REACHING TO OPEN THE PASSANGER DOOR. THE CAR SHIFTED TO "REVERSE". IT KNOCKED ME DOWN AND RAN OVER ME WITH THE FRONT TIRE. IT RAN OVER MY LEGS AND CHEST. IT THEN SCRAPPED AND DENTED MY WIFE'S CAR, AND WAS HALTED BY RUNNING IN TO THE REAR END OF MY NEIGHBOR'S CAR ACROSS THE STREET. HE IS A POLICE OFFICER AND HE FILED THE REPORT. MY INSURANCE COMPANY WILL NOT COVER ANY MORE OF MY MEDICAL BILLS. I HAVE NOT BEEN ABLE TO WORK SINCE THE ACCIDENT. I HAD JUST HAD KNEE SURGERY BEFORE THIS HAPPENED. I AM PERMANENTLY DISABLED. PLEASE CONTACT ME IF YOU CAN HELP ME. (910) 452-0222. *AK
20001128STRUCTURE:FRAME AND MEMBERS
FRAME ON CONSUMER'S SIDE IS BADLY RUSTED. ALSO, WHEN MAKING A RIGHT HAND TURN VEHICLE IS MAKING NOISE . CONSUMER HAS CONTACTED DEALER, DEALER HAS MADE REPAIRS, FRAME PLATE WAS WELDED. PLEASE PROVIDE ANY FURTHER DETAILS. *AK
20001020FireELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
SMOKE WAS NOTICED COMING FROM HOOD AREA. WHEN TRYING TO PULL TO SIDE VEHICLE DID NOT RESPOND DUE TO WIRES THAT WERE BURNIG UNDER THE HOOD. THESE WERE THE ALTENATOR WIRES THAT SHORTED OUT. DEALER HAS BEEN CONTACTED.*AK THE FIRE FROM THE TERMINALS DAMAGED ALL THE INSULATION AND THE WIRING OF THE ALTERNATOR TERMINALS UNDER THE HOOD. *YH
20001003FireENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
WHILE IN THE STORE SHOPPING WALKED OUT, AND CAR LOOKED LIKE STEAM COMING FROM IT, FROM THE COLOR OF THE SMOKE. CONSUMER GOT CLOSER AND NOTICED BUBBLING IN THE HOOD AND DISCOLORIZATION. IT WAS A FIRE IN THE ENGINE COMPARTMENT. CONSUMER FELT THAT FIRE STARTED FROM THE CATALYTIC CONVERTER.*AK
20000918ELECTRICAL SYSTEM:IGNITION
THIS PART IS CURRENTLY INVOLVED IN CLASS ACTION LAWSUIT IN SAN FRANCISCO IN THE ALAMEDA COUNTY SUPERIOIR COURT. JUDGE MICHAEL BALLACHEY HAS ISSUED A PRELIMINARY DECISION TO ORDER A RECALL ON AS MANY AS 2 MILLION VEHICLES MODEL YEARS 1983-95. UNFORTUNATELY, I COULDN'T WAIT FOR THE RECALL SINCE MY VEHICLE HAD STALLED TWICE IN THE LAST 2 MONTHS. I FELT I HAD TO PAYFOR A ARTIAL CORRECTION (NEW PART RELOCATED IN THE SAME SPACE) AND WAIT OUT THE RESULTS OF THE LAW SUIT. IF A RECALL IS ORDERED AND IF FORD DOESN'T APPEAL, I WILL NEED TO HAVE THE PART RELOCATED TO A DIFFERENT PART OF THE ENGINE SINCE OVERHEATING CAUSES EVENTUAL PART FAILURE. MY MECHANIC DID NOT WANT TO RELOCATE THE PART WITHOUT DIRECTIONS FROM THE FORD MOTOR COMPANY.
20000914ELECTRICAL SYSTEM:IGNITION
THIS PART IS CURRENTLY INVOLVED IN CLASS ACTION LAWSUIT IN SAN FRANCISCO IN THE ALAMEDA COUNTY SUPERIOIR COURT. JUDGE MICHAEL BALLACHEY HAS ISSUED A PRELIMINARY DECISION TO ORDER A RECALL ON AS MANY AS 2 MILLION VEHICLES MODEL YEARS 1983-95. UNFORTUNATELY, I COULDN'T WAIT FOR THE RECALL SINCE MY VEHICLE HAD STALLED TWICE IN THE LAST 2 MONTHS. I FELT I HAD TO PAYFOR A ARTIAL CORRECTION (NEW PART RELOCATED IN THE SAME SPACE) AND WAIT OUT THE RESULTS OF THE LAW SUIT. IF A RECALL IS ORDERED AND IF FORD DOESN'T APPEAL, I WILL NEED TO HAVE THE PART RELOCATED TO A DIFFERENT PART OF THE ENGINE SINCE OVERHEATING CAUSES EVENTUAL PART FAILURE. MY MECHANIC DID NOT WANT TO RELOCATE THE PART WITHOUT DIRECTIONS FROM THE FORD MOTOR COMPANY.
20000531VEHICLE SPEED CONTROL
WHILE DRIVING ON THE HIGHWAY WITH CRUISE CONTROL SET STEPPED ON THE BRAKES, BUT THEY DIDN'T DEACTIVATE THE SPEED CONTROL. TURNED VEHICLE OFF, AND THEN BACK ON, AND THAT DIDN'T HELP. HAD TO OPEN THE HOOD TO DISCONNECT THE SWITCH. CONTACTED DEALER. *AK
Compare 1991MERCURYGRAND MARQUIS to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1991 MERCURY GRAND MARQUIS have?▼
The 1991 MERCURY GRAND MARQUIS has 106 NHTSA complaints, 13 crashes, 15 fires, 14 injuries, and 0 deaths reported.
What are the most common problems with the 1991 MERCURY GRAND MARQUIS?▼
The most-complained component for the 1991 MERCURY GRAND MARQUIS is ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR with 10 complaints. Other frequently reported areas include VEHICLE SPEED CONTROL and POWER TRAIN:AUTOMATIC TRANSMISSION.
Is the 1991 MERCURY GRAND 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.
Read our methodology — how this data is sourced, computed, and verified.