Total Complaints
6 filings
MERCURY MARQUIS · model year
1985 MERCURY MARQUIS
6 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1985MERCURYMARQUIS carries 6 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.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1985 MARQUIS is electrical system:wiring with 1 filings, followed by vehicle speed control (1) and engine and engine cooling:engine:gasoline (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 1985 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.
6
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 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:WIRING | 1 |
| VEHICLE SPEED CONTROL | 1 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE) | 1 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 1 |
| TIRES:TREAD/BELT | 1 |
Recent Complaints
20000909TIRES:TREAD/BELT
PE 00 020/TIRE TREAD SEPARATION: RIGHT REAR TIRE EXPERIENCED A TREAD SEPARATION (TIRE WAS STILL INFLATED) WHILE TRAVELING AT 40 MPH, WITH DRIVER AND THREE PASSENGERSIN A 1985 MERCURY, MARQUIS, AFTERMARKET EQUIPMENT INSTALLED AT 50,000 MILES, P215/75R14, AND DOT# HYHBS77050. FIRESTONE NOTIFIED, AND INFORMED CONSUMER THAT TIRES WERE NOT COVER UNDER RECALL. PLEASE FEEL FREE TO PROVIDE ANY FURTHER DETAILS. *AK FIRESTONE P215/75/R14 *MW
20000905POWER TRAIN:AUTOMATIC TRANSMISSION
THIS CAR HAS HAD THREE TRANSMISSION PUT IN IT THAT I KNOW OF AND SOMETHING IS STILL A WRONG WITH IT. THIS CAR HAS OTHER PROBLEM'S TO NUMEROUS TO MENTION,LIKE AIR CONDITIONER, DOOR LATCHES , REAR END AND BACK AXLES.
19970910ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
WHILE DRIVING THE VEHICLE CAME TO A STOP AND THE VEHICLE STALLED AND SHUT OFF. THIS HAPPENS ALL THE TIME WHEN COMING TO A STOP. ONCE IT STALLS VEHICLE SHUTS OFF, VEHICLE WILL START BACK UP . INVESTIGATION IS CLOSED, PE 87 028, STALLING. *AK EGR REPLACED TWICE AND ALSO MAP SENSOR REPLACED. *YD
19970910ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
WHILE DRIVING THE VEHICLE CAME TO A STOP AND THE VEHICLE STALLED AND SHUT OFF. THIS HAPPENS ALL THE TIME WHEN COMING TO A STOP. ONCE IT STALLS VEHICLE SHUTS OFF, VEHICLE WILL START BACK UP . INVESTIGATION IS CLOSED, PE 87 028, STALLING. *AK EGR REPLACED TWICE AND ALSO MAP SENSOR REPLACED. *YD
19961220VEHICLE SPEED CONTROL
GOING UP RAMP, ENGINE LIGHT ON, MAKING LOUD NOISE, ENGINE SURGED FORWARD QUICKLY, APPLIED BRAKES TO REDUCE SPEED, GOING UP HILL, ENGINE RACED AHEAD. DID NOT TAKE TO DEALER. *AK
19950504ELECTRICAL SYSTEM:WIRING
BROKEN WIRE AT BRAKE LIGHT SWITCH, CAUSING BRAKE LIGHTS/CRUISE CONTROL/HORN MALFUNCTIONS. *SKD
Compare 1985MERCURYMARQUIS to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1985 MERCURY MARQUIS have?▼
The 1985 MERCURY MARQUIS has 6 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1985 MERCURY MARQUIS?▼
The most-complained component for the 1985 MERCURY MARQUIS is ELECTRICAL SYSTEM:WIRING with 1 complaints. Other frequently reported areas include VEHICLE SPEED CONTROL and ENGINE AND ENGINE COOLING:ENGINE:GASOLINE.
Is the 1985 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.
Read our methodology — how this data is sourced, computed, and verified.