1985 Mercury Marquis Problems
- Complaints
- 5filed with NHTSA
- Median mileage
- —no mileage reported
- Recalls
- 1campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 18 mpgcombined, 3.8L 6-cyl RWD · 16 city / 20 hwy
Sources: NHTSA records for the 1985 Mercury Marquis (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 5 consumer complaints for the 1985 Mercury Marquis. The part named most often is electrical system, with 1 complaints (20% of the total), followed by engine cooling (1) and tires (1). NHTSA lists 1 recall campaign and 0 technical service bulletins for this model year.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system1 20%
- Engine cooling1 20%
- Tires1 20%
Example complaints
Engine cooling: “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. Egr replaced twice and also map sensor replaced.”
NHTSA complaint #816235, filed 1997-09Tires: “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. Firestone p215/75/r14”
NHTSA complaint #870073, filed 2000-09Transmission and drivetrain: “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.”
NHTSA complaint #729232, filed 2000-08Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Fuel economy and running cost
EPA ratings for each 1985 Mercury Marquis version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| Marquis RWD | 2.3L 4-cyl | 3-speed automatic | 18 | 22 | 20 | $3,350 |
| Marquis RWD | 2.3L 4-cyl | 3-speed automatic | 19 | 23 | 20 | $3,350 |
| Marquis RWD | 3.8L 6-cyl | 3-speed automatic | 16 | 20 | 18 | $3,700 |
| Marquis RWD | 3.8L 6-cyl | 3-speed automatic | 17 | 20 | 18 | $3,700 |
| Marquis RWD | 5.0L 8-cyl | 4-speed automatic | 15 | 22 | 17 | $3,950 |
| Marquis Wagon RWD | 3.8L 6-cyl | 3-speed automatic | 16 | 20 | 18 | $3,700 |
| Marquis Wagon RWD | 3.8L 6-cyl | 3-speed automatic | 17 | 20 | 18 | $3,700 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 85V068000May 21, 1985Service brakes, hydraulic › Power assist › VacuumCovers: Mercury Marquis 1985, Ford Mustang 1985, LTD 1985 +1 more
Brake booster rear shells may have reduced wall thicknesses which could cause the shell to break. Consequence of defect: repeated brake use could cause the shell to crack and the booster assembly to come apart. Service brakes capability would be totally lost…
Recall details for the 1985 Mercury Marquis → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
No technical service bulletins are on record for the 1985 Mercury Marquis.
Other model years of the Mercury Marquis
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2004 | 12 | 88,408 | 0 | — | — | — | Not enough data |
| 2003 | 33 | 40,255 | 0 | — | — | Not compared (before 2008) | Stable |
| 2002 | 11 | 50,000 | 0 | — | — | — | Not enough data |
| 2001 | 26 | 57,902 | 0 | — | — | Not compared (before 2008) | Stable |
| 2000 | 23 | 51,000 | 0 | — | — | — | Stable |
| 1999 | 24 | 66,552 | 0 | — | — | — | Stable |
| 1998 | 29 | 75,000 | 0 | — | — | Not compared (before 2008) | Stable |
| 1997 | 53 | 63,000 | 1 | — | — | Not compared (before 2008) | Stable |
| 1996 | 31 | 91,000 | 0 | — | — | Not compared (before 2008) | Stable |
| 1995 | 20 | — | 0 | — | — | — | Stable |
| 1994 | 30 | 100,000 | 0 | — | — | Not compared (before 2008) | Stable |
| 1993 | 23 | 38,000 | 0 | — | — | — | Stable |
| 1992 | 24 | — | 0 | — | — | — | Stable |
| 1991 | 9 | — | 0 | — | — | — | Not enough data |
| 1990 | 6 | — | 0 | — | — | — | Not enough data |
| 1989 | 10 | — | 0 | — | — | — | Not enough data |
| 1988 | 9 | — | 0 | — | — | — | Not enough data |
| 1985 | 5 | — | 1 | — | 18 | — | Not enough data |
| 1984 | 10 | 112,160 | 1 | — | 19 | — | Not enough data |
All Mercury Marquis model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 1985 Mercury Marquis have?
NHTSA recorded 5 consumer complaints for the 1985 Mercury Marquis as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1985 Mercury Marquis is reported most often?
Electrical system is named most often, in 1 complaints (20% of the total), followed by engine cooling with 1.
Has the 1985 Mercury Marquis been recalled?
NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 1985 Mercury Marquis get?
The EPA rates the 1985 Mercury Marquis (Marquis, 3.8L 6-cyl) at 18 mpg combined, 16 city and 20 highway, with an estimated annual fuel cost of $3,700 at 15,000 miles a year. Other engine and drive versions are rated differently.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.