1984 Mercury Marquis
Only 10 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 10 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 10
- Recalls
- 2
- Investigations
- 3
- Top problem
- —
Too few to rank
Campaigns on file for 1984
Opened by NHTSA
Not enough data
Complaints per year
1984: 10 complaints
View as data table
| Year | Complaints |
|---|---|
| 1981 | 0 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 10 |
| 1985 | 5 |
| 1986 | 4 |
| 1987 | 4 |
| 1988 | 9 |
| 1989 | 10 |
| 1990 | 6 |
| 1991 | 9 |
| 1992 | 24 |
| 1993 | 23 |
| 1994 | 30 |
| 1995 | 20 |
| 1996 | 31 |
| 1997 | 53 |
| 1998 | 29 |
| 1999 | 24 |
| 2000 | 23 |
| 2001 | 26 |
| 2002 | 11 |
| 2003 | 33 |
| 2004 | 12 |
Known problem areas
Only 10 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Electrical system
5 of 10 total reports mention: electrical system, most commonly citing switch.
Show complaint excerpts
Ignition fire.
NHTSA ODI report, 1996-04-19
Power train
3 of 10 total reports mention: power train, most commonly citing automatic transmission and park/neutral start interlock switch.
Show complaint excerpts
Consumer park car drive way car was run in park it came out of park went into reverse went down hill and hit an enbankment. Tt
NHTSA ODI report, 1995-05-16
I purchase a used vehicle on 2-03-03 at 11:oo am I was ensured that it was a great vehicle. About 5:15 pm I was on the freeway, and it started to smoke and it loose compression. I had spoke to the dealer and he stated that it wasen't his problem.
NHTSA ODI report, 2003-02-05
Also filed under Equipment
Service brakes
3 of 10 total reports mention: service brakes, most commonly citing hydraulic.
Engine and engine cooling
3 of 10 total reports mention: engine and engine cooling, most commonly citing exhaust system and belts and associated pulleys.
Structure
2 of 10 total reports mention: structure, most commonly citing body.
Safety timeline
2 recalls · 3 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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R
1983-12-22Seat belts83V134000 The bolts that attach the d-shaped ring for the shoulder belt are inadequately supported by the material in which they are mounted. The attachment does not comply with the requirements of federal…
Remedy: Dealers will install new attaching hardware to improve the strength of the mounting.
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I
1986-03-26Engineering analysisClosed 1989-07-28 Seatback failure
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I
1987-05-01Preliminary evaluationClosed 1988-01-21 Stalling
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I
1989-02-09Preliminary evaluationClosed 1989-06-13 Parking brake failure
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R
2007-10-15Fuel system, gasoline07E064000 Certain federal-mogul aftermarket fuel pumps sold under the brand names of carter, accuflow, napa, truflow, parts depo, and parts master, shipped between August 2006 and July 2007 for use on the…
Remedy: Federal-mogul will notify owners and replace the defective fuel pumps free of charge. The recall began on October 15, 2007. Owners can contact federal-mogul at 248-354-7700.
Buy-smart checklist
1984 Mercury Marquis — pre-purchase inspection
Inspect
- Electrical system: 5 reports on file for this year.
- Power train: 3 reports on file for this year.
- Service brakes: 3 reports on file for this year.
Verify these recalls were completed
- Recall 83V134000 · Seat belts
- Recall 07E064000 · Fuel system, gasoline
FAQ
- Is the 1984 Mercury Marquis reliable?
- There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
- What are the most common problems with the 1984 Mercury Marquis?
- The most-reported component is electrical system, accounting for 50% of complaints on file.
- How many recalls does the 1984 Mercury Marquis have?
- 2 recalls on file for this model year.
Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.