Total Complaints
330 filings
MERCURY GRAND MARQUIS · model year
330 NHTSA complaints, 28 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1992MERCURYGRAND MARQUIS carries 330 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 28 crashes, 33 fires, 119 injuries, and 1 fatality. 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 1992 GRAND MARQUIS is vehicle speed control with 27 filings, followed by power train:automatic transmission (20) and service brakes, hydraulic:antilock/traction control/electronic limited slip (16). 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 1992 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.
Total Complaints
330 filings
Crashes Reported
28 reports
Source
NHTSA ODI
Federal complaints database
Above median complaint volume — review patterns below.
| Component | Count |
|---|---|
| VEHICLE SPEED CONTROL | 27 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 20 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 16 |
| ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD | 10 |
| EXTERIOR LIGHTING:HEADLIGHTS | 10 |
| SEATS | 9 |
| ELECTRICAL SYSTEM:IGNITION | 8 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 8 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR | 7 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS | 7 |
| FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | 7 |
| AIR BAGS:FRONTAL | 7 |
| UNKNOWN OR OTHER | 7 |
| EXTERIOR LIGHTING:HEADLIGHTS:SWITCH | 7 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS | 6 |
HEAD LIGHT GOES ON-OFF FREQUENTLY. AUTO DELAY OFF SWITCH IS OPERATIONAL EVEN THOUGH HEAD LIGHT GETTING ON-OFF. I FOUND THAT THIS VEHICLE HAS BEEN RECALLED FOR THIS ISSUE.
Mileage: 89,000
HEAD LIGHT GOES ON-OFF FREQUENTLY. AUTO DELAY OFF SWITCH IS OPERATIONAL EVEN THOUGH HEAD LIGHT GETTING ON-OFF. I FOUND THAT THIS VEHICLE HAS BEEN RECALLED FOR THIS ISSUE.
Mileage: 89,000
FOR THE SECOND TIME IN APPROXIMATELY 1 YEAR, THE HEADLIGHTS STARTED TURNING OFF AN ON WHEN DRIVING HOME ON THE FREEWAY 4 NIGHTS AGO. THE FIRST TIME THIS HAPPENED A YEAR AGO, THE HEADLIGHT SWITCH , BURNED WIRE AND BURNED CONNECTOR WERE REPLACED. THE CAR IS CURRENTLY PARKED AS I FEEL IT IS UNSAFE TO DRIVE WITH THE OVERHEATING WIRING.
Mileage: 46,777
FOR THE SECOND TIME IN APPROXIMATELY 1 YEAR, THE HEADLIGHTS STARTED TURNING OFF AN ON WHEN DRIVING HOME ON THE FREEWAY 4 NIGHTS AGO. THE FIRST TIME THIS HAPPENED A YEAR AGO, THE HEADLIGHT SWITCH , BURNED WIRE AND BURNED CONNECTOR WERE REPLACED. THE CAR IS CURRENTLY PARKED AS I FEEL IT IS UNSAFE TO DRIVE WITH THE OVERHEATING WIRING.
Mileage: 46,777
TL* THE CONTACT OWNS A 1992 MERCURY GRAND MARQUIS. WHILE DRIVING AT AN UNKNOWN SPEED, THE VEHICLE LEAKED BRAKE FLUID AND FAILED. THE BRAKE WARNING INDICATOR ILLUMINATED INTERMITTENTLY. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 88,639.
Mileage: 88,639
TL* THE CONTACT OWNS A 1992 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE ABS BRAKE SYSTEM LEAKED FLUID CAUSING THE BRAKE PEDAL TO HIT THE FLOORBOARD, WHEN DEPRESSED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN. THE VIN WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 1992 MERCURY GRAND MARQUIS. WHILE DRIVING AT APPROXIMATELY 50 MPH, THE HEADLIGHTS, TAIL LIGHTS, AND INSTRUMENT PANEL LIGHTING FAILED TO ILLUMINATE. IN ADDITION, THE CONTACT STATED THAT THE DASHBOARD WAS HOT. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 200,000.
Mileage: 200,000
TL* THE CONTACT OWNS A 1992 MERCURY GRAND MARQUIS. WHILE DRIVING AT APPROXIMATELY 50 MPH, THE HEADLIGHTS, TAIL LIGHTS, AND INSTRUMENT PANEL LIGHTING FAILED TO ILLUMINATE. IN ADDITION, THE CONTACT STATED THAT THE DASHBOARD WAS HOT. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 200,000.
Mileage: 200,000
TL* THE CONTACT OWNS A 1992 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH THE HEADLIGHTS AND TAIL LIGHTS STOPPED ILLUMINATING. THE CONTACT STOPPED THE VEHICLE.AFTER CONTINUALLY SWITCHING THE HEADLIGHT SWITCH ON AND OFF, THE LIGHTS EVENTUALLY ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR A DIAGNOSTIC TEST. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 120,000.
Mileage: 120,000
SMOKE WAS COMING OUT FROM UNDER THE HOOD WHILE DRIVING THE CAR USING CRUISE CONTROL. PULLED OVER AND CHECKED THE FLUIDS ON THE CAR. NO PROBLEM. STARTED DRIVING AGAIN AND BEGAN TO HAVE PROBLEMS. PULLED OVER AGAIN AND SAW SMOKE THEN FLAMES COMING OUT. CAR WAS A TOTAL LOSS. *TR
Mileage: 80,000
I PARKED MY 1992 MERCURY GRAND MARQUIS ON FRIDAY, 2/5/10, NEXT TO MY HOME. SHORTLY THEREAFTER, WHILE IN THE HOUSE, I HEARD A "POP." WHEN I LOOKED OUTSIDE, THE CAR WAS ON FIRE. I CALLED 911 BUT BY THE TIME THEY ARRIVED, FOUND A FIRE HYDRANT THAT WAS NOT FROZEN, MOST OF MY HOME WAS ON FIRE. THE DESTRUCTION WAS AWFUL. I HAVE NOT BEEN ALLOWED BACK IN THE HOUSE YET. *TR
TL*THE CONTACT OWNS A 1992 MERCURY GRAND MARQUIS LS. WHILE DRIVING 55 MPH WITH THE CRUISE CONTROL ACTIVATED, SMOKE ENGULFED THE FRONT-END OF THE VEHICLE FOLLOWED BY AN UNDERHOOD FIRE THAT CAUSED THE FRONT WINDSHIELD TO BREAK. THERE WERE NO INJURIES. THE FIRE DEPARTMENT WAS UNABLE TO EXTINGUISH THE FLAMES WITH THEIR EQUIPMENT AND THE VEHICLE WAS COMPLETELY DESTROYED. SHE WAS IN THE PROCESS OF NOTIFYING THE MANUFACTURER TO INQUIRE ABOUT THE LEVEL OF SAFETY OF THE CRUISE CONTROL. THE FAILURE MILEAGE WAS UNKNOWN.
I HAVE PICTURES OF THE FUEL PUMP I TOOK OUT OF MY 1992 MERCURY GRAND MARQUIS. THE CAR HAD COUGHED TO A STOP AND I SUSPECTED THE FUEL PUMP. THERE WAS NO PRESSURE IN THE FUEL RAIL SO I PULLED THE PUMP OUT OF THE TANK. I CHECKED THE PUMP WITH A BATTERY AND IT RAN FINE. THEN I STARTED LOOKING AT THE FUSES AND FOUND THE 20A PUMP FUSE BLOWN. OBVIOUSLY THERE WAS A SHORT SOMEWHERE. AS YOU CAN SEE BY PIC 2 THE SHORT OCCURRED WHEN THE "HOT" WIRE INSULATION WAS WORN THROUGH ON THE FLOAT BRACKET. IN ORDER TO BLOW A 20A FUSE THERE MUST HAVE BEEN A SPARK. FORTUNATELY, IT APPEARS THAT THE CONTACT POINT WAS UNDER THE LEVEL OF THE GASOLINE WHEN THE SHORT OCCURRED AND NOTHING ELSE HAPPENED. IF THE POINT HAD BEEN ABOVE THE GASOLINE IN THE VAPOR AREA THE RESULTS COULD HAVE BEEN MUCH DIFFERENT. PIC 3 IS HOW I ROUTED THE WIRE BEFORE REPLACING THE ASSEMBLY BACK IN THE TANK. BTW YOU CAN SEE THAT I DID USE A NEW FUEL PUMP. I STILL HAVE THE OLD ONE. I SENT A MESSAGE TO THE FORD MOTOR COMPANY
Mileage: 162,000
ON PRIOR OCCASIONS, VEHICLE EXPERIENCED INTERMITTENT LOSS OF INTERIOR LIGHTS ON INSTRUMENT PANEL. RECENTLY,EXPERIENCED LOSS OF HEADLIGHTS ON 92 MERCURY GRAND MARQUIS DURING TRIP OVER THANKSGIVING HOLIDAY. CONSEQUENCES COULD HAVE BEEN FATAL HAD THE LIGHTS NOT CAME BACK ON AFTER I TURNED THE HEADLIGHTS OFF AND THEN BACK ON AGAIN. IN AN ATTEMPT TO REPLACE WHAT I THOUGHT WAS A FAULTY HEADLIGHT SWITCH, I DISCOVERED A WIRE HARNESS CONNECTOR TO THE HEADLIGHT SWITCH SHOWS INDICATION OF HIGH TEMPERATURES DUE TO BURNING AND MELTING. SIMILAR TO RECALL ON THE FORD CONTOUR. (SEE NHTSA CAMPAIGN ID NUMBER: 99V103000 ). I PLAN TO CONTACT FORD AND SEE IF THEY WILL REPLACE FOR FREE AND OR GIVE ME THE PART NUMBER OF THE HARNESS CONNECTOR PART SO THAT I MAY BE ABLE TO REPLACE. I PLAN ON KEEPING BOTH THE FAULTY CONNECTOR AND THE ORIGINAL SWITCH IN THE HOPE THAT IT WILL BE OF BENEFIT TO UNDERSTAND THE FAILURE MECHANISMS OF THE EXTERIOR HEADLIGHTS. *TR
TL*THE CONTACT OWNS A 1992 MERCURY GRAND MARQUIS. THE CONTACT RECEIVED A RECALL NOTICE REGARDING THE VEHICLE SPEED CONTROL. WHILE PARKED IN THE DRIVEWAY, THE CONTACT HEARD A LOUD BANG. SHE THEN NOTICED FLAMES RISING FROM UNDER THE HOOD. A POLICE REPORT WAS FILED. THE RECALL NUMBER AND MILEAGES WERE UNKNOWN.
TL*THE CONTACT OWNS A 1992 MERCURY GRAND MARQUIS. WHILE THE VEHICLE WAS PARKED IN THE GARAGE, THE CONTACT NOTICED SMOKE COMING FROM THE HOOD. THE VEHICLE THEN CAUGHT FIRE. HAVERFORD POLICE REPORT NUMBER 200070827M140003 WAS FILED. THE CURRENT AND FAILURE MILEAGES WERE 63,000. UPDATED 09/25/07 *TR
Mileage: 63,000
WHILE DRIVING AT NIGHT, IT WAS NOTICED THAT THE INSTRUMENT PANEL LIGHTS, TAIL LIGHTS, AND PARKING LIGHTS WERE NOT LIT EVEN THOUGH THE HEADLIGHTS BRAKE LIGHTS AND TURN SIGNALS WERE WORKING PROPERLY. THE FUSE FOR THAT CIRCUIT WAS CHECKED AND IT WAS NOT BLOWN. THE DASHBOARD WAS DISASSEMBLED FOR REMOVAL OF THE HEADLIGHT SWITCH AND IT WAS REVEALED THAT THE WIRE TO THE TAIL LAMP/PARKING LAMP/INSTRUMENT PANEL HAD BECOME HOT ENOUGH TO MELT THE WIRE ITSELF. THE CONNECTORS FOR THE HEADLIGHT SWITCH ARE EN-BLOCK AND CONSIST OF 7 CONNECTORS IN ONE BLOCK AND 3 CONNECTORS IN A SEPARATE BLOCK. THE 7 CONNECTOR BLOCK HAD BURNT PLASTIC IN THE AREA OF THE TAIL LIGHT WIRE, AND THE 3 CONNECTOR BLOCK WAS WARPED FROM THE HEAT. THIS IS A 1992 MERCURY GRAND MARQUIS THAT WAS BUILT IN MAY OF 1991. REPAIRS ARE AWAITING SUITABLE REPLACEMENT PARTS. *NM
Mileage: 129,000
WHILE DRIVING AT NIGHT, IT WAS NOTICED THAT THE INSTRUMENT PANEL LIGHTS, TAIL LIGHTS, AND PARKING LIGHTS WERE NOT LIT EVEN THOUGH THE HEADLIGHTS BRAKE LIGHTS AND TURN SIGNALS WERE WORKING PROPERLY. THE FUSE FOR THAT CIRCUIT WAS CHECKED AND IT WAS NOT BLOWN. THE DASHBOARD WAS DISASSEMBLED FOR REMOVAL OF THE HEADLIGHT SWITCH AND IT WAS REVEALED THAT THE WIRE TO THE TAIL LAMP/PARKING LAMP/INSTRUMENT PANEL HAD BECOME HOT ENOUGH TO MELT THE WIRE ITSELF. THE CONNECTORS FOR THE HEADLIGHT SWITCH ARE EN-BLOCK AND CONSIST OF 7 CONNECTORS IN ONE BLOCK AND 3 CONNECTORS IN A SEPARATE BLOCK. THE 7 CONNECTOR BLOCK HAD BURNT PLASTIC IN THE AREA OF THE TAIL LIGHT WIRE, AND THE 3 CONNECTOR BLOCK WAS WARPED FROM THE HEAT. THIS IS A 1992 MERCURY GRAND MARQUIS THAT WAS BUILT IN MAY OF 1991. REPAIRS ARE AWAITING SUITABLE REPLACEMENT PARTS. *NM
Mileage: 129,000
DT: THE BRAKE LINES WERE ROTTING. THE CONSUMER NOTICED THIS ON APRIL 21, 2004. VEHICLE LOST BRAKE FUNCTION WHILE DRIVING. THIS HAPPENED ON DRY PAVEMENT. THERE WAS NO WARNING AND NO NOISE. DID NOT CONTACT THE DEALER, BUT HAD IT REPAIRED AT A LOCAL AUTOMOTIVE SHOP. *NM
Mileage: 47,465
DT: CALLER IS CONCERNED ABOUT VEHICLES BURNING UP. HAS NOT HAD A PROBLEM YET BUT DOES NOT WANT TO WAIT UNTIL SOMETHING HAPPENS. SAW REPORT ON CNN.COM. DEALER SAID IT WAS ONLY HAPPENING WITH SOME VEHICLES, AND IT MAY NOT BE CALLER'S CAR. CALLER SAW VEHICLE ON THE NHTSA WEBSITE. MANUFACTURER GAVE CALLER A REFERENCE ID 1481671685. THEY CHECKED HIS VIN,AND HIS VEHICLE WAS NOT INVOLVED IN RECALL. CALLER WAS CONFUSED FROM ALL THE INFORMATION HE WAS GETTING FROM NHTSA , THE STORY ON CNN, AND WHAT FORD WAS TELLING HIM.*AK
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.