Total Complaints
11 filings
MERCURY MARQUIS · model year
11 NHTSA complaints, 2 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1989MERCURYMARQUIS carries 11 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, 0 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 1989 MARQUIS is electrical system:ignition:switch with 3 filings, followed by electrical system:wiring:interior/under dash (1) and service brakes, hydraulic:foundation components:master cylinder (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 1989 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
11 filings
Crashes Reported
2 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM:IGNITION:SWITCH | 3 |
| ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH | 1 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER | 1 |
| AIR BAGS:FRONTAL | 1 |
| FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM | 1 |
| VEHICLE SPEED CONTROL | 1 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 1 |
| TIRES:TREAD/BELT | 1 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 1 |
THE LABELING ON THE FRONT OF THE CONTAINER STATES 5W30 MOTOR OIL: ON THE BACK OF THE CONTAINER STATES DEXTRON 111 TRANSMISSION FLUID, BECAUSE OF THIS MISLABELING OF THE CONTAINER OIL WAS POURED INTO THE TRANSMISSION INSTEAD OF TRANSMISSION FLUID, WHICH DESTROYED IN ENGINE. THE INSURANCE COMPANY IS NEGOTIATING WHETHER TO TOTAL THE VEHICLE OR REPLACE THE PART, BECAUSE OF THE TRANSMISSION EXTENSIVE DAMAGE. MODEL NAME TRACK OIL DISTRIBUTED BY RACE TRACK DISTRIBUTORS INCORPORATED. *AK
FIRESTONE SUPREME TIRE (P215/70R15) EXPERIENCED TREAD SEPARATION ALSO CAUSING DAMAGE TO THE MUFFLER, CONSUMER REPLACED ALL TIRES AND IS REQUESTING REIMBURSEMENT FOR REPLACEMENT TIRES AND FOR THE DAMAGED MUFFLER. *SLC
WHILE DRIVING AT 55MPH ON CRUISE CONTROL, CONSUMER PRESSED BUTTON, AND CAR CONTINUED TO ACCELERATE. CONSUMER PRESSED ON BRAKES, AND NOTHING HAPPENED. CONSUMER HAD TO TURN OFF THE IGNITION. *AK
WHILE DRIVING AT 55MPH ON CRUISE CONTROL, CONSUMER PRESSED BUTTON, AND CAR CONTINUED TO ACCELERATE. CONSUMER PRESSED ON BRAKES, AND NOTHING HAPPENED. CONSUMER HAD TO TURN OFF THE IGNITION. *AK
CONSUMER HAS A VEHICLE THAT CONTAINS A FUEL INJECTION SYSTEM THAT WILL TURN ITSELF OFF WHEN VEHICLE IS INVOLVED IN AN ACCIDENT SO IT WILL NOT CATCH ON FIRE. CONSUMER HAD CRUISE CONTROL SET AT 60 MPH, DRIVING ON A BUSY MAJOR HIGHWAY WENT TO APPLY BRAKES TO MAKE A SUDDEN STOP,DID NOT HIT OR TOUCH ANY TYPE OF OBJECT ,WHEN FUEL INJECTION SYSTEM BECAME INOPERATIVE CAUSING LOSS OF POWER STEERING/BRAKES/ENGINE. CONSUMER COULD NOT RESTART THE VEHICLE BECAUSE THE RESTART SWITCH IS LOCATED IN THE TRUNK.THIS DEFECT COULD HAVE RESULTED IN AN ACCIDENT. *AK
IGNITION SWITCH FAILURE CAUSED FIRE PRIOR TO RECALL.
OWNER STATES THAT SHE RECEIVED MUILTPLE INJURIES FROM WHICH HER DRIVER'S SIDE AIRBAG DEPLOYED AFTER HITTING CURB WHILE BRAKING FROM 20 MPH.
CONSUMER STARTED THE CAR AND SMOKE CAME FROM THE IGINITION SWITCH, CAUSING THE CAR NOT TO START, CONSUMER HAD TO HAVE THE CAR TOWED.*AK
IGNITION SWITCH FIRE. *SD
WHEN APPLYING BRAKES, THERE IS EXTENDED STOPPING DISTANCE, VEHICLE ACCELERATED IN OPEN THROTTLE POSITION, REPLACED MASTER CYLINDER. *AK
AFTER VEHICLE PARKED, STEERING AREA CAUGHT FIRE. TT
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.