Total Complaints
4 filings
MERCURY MARQUIS · model year
4 NHTSA complaints. 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 1986MERCURYMARQUIS carries 4 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 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 1986 MARQUIS is vehicle speed control with 1 filings, followed by electrical system:wiring:fuses and circuit breakers (1) and wheels (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 1986 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
4 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| VEHICLE SPEED CONTROL | 1 |
| ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS | 1 |
| WHEELS | 1 |
| FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY | 1 |
WHY ARE THE GAS TANKS ROTTING OUT WHEN YEARS AGO GAS TANKS LASTED A LIFETIME AND MORE. EITHER THE GAS HAS AN ADDATIVE THAT IS DOING IT OR THE MFGS' OF GAS TANKS ARE USING POOR QUALITY MATERIALS. THESE LEAKS START AS PIN HOLES AND THEN GROW SO MILLIONS COULD BE DUMPING GASOLINE ALL OF OUR ROADS THAT IS FINDING ITS WAY INTO OUR AIR AND WATER. THIS PROBLEM IS AS SERIOUS AS THE GAS STATION TANKS OF YEARS AGO AND FOR SOME REASON IT IS GOING BY UNNOTICED. I WOULD LIKE A RESPONSE TO THIS COMPLAINT. MY COMPLAINT HAS ALSO BEEN REPORTED TO THE EPA. *AK
LEFT REAR WHEEL CAME OFF, CAUSING ACCIDENT. (OHIO STATE POLICE REPORT)
ELECTRICAL SHORT, CONTINUES TO BLOW FUSES. TT
WHILE DRIVING ON ICY PAVEMENT VEHICLE ACCELERATED WIDE OPEN FOR NO APPARENT REASON. HAD TO TURN OFF IGNITION TO STOP VEHICLE. PLEASE DESCRIBE DETAILS. TT
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 1986 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.