1984 Mercury Topaz Problems
- Complaints
- 10filed with NHTSA
- Median mileage
- —no mileage reported
- Recalls
- 5campaigns 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
- 22 mpgcombined, 2.3L 4-cyl · 21 city / 25 hwy
Sources: NHTSA records for the 1984 Mercury Topaz (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 10 consumer complaints for the 1984 Mercury Topaz. The part named most often is electrical system, with 7 complaints (70% of the total), followed by engine cooling (3) and exterior lighting (1). Of all complaints, 5 a fire, according to the filers. NHTSA lists 5 recall campaigns 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 system7 70%
- Engine cooling3 30%
- Exterior lighting1 10%
Example complaints
Electrical system: “When driving at 18 MPH the vehicle is stalling and cutting off. Consumer had the computer chip replaced, and the dealer can't determine the caus eof stalling.”
NHTSA complaint #852164, filed 1999-10Engine cooling: “Tfi module stopped functioning, causing car to stall. But now it won't start. Consumer has replaced 3 of these modules within the last three years. Consumer was very upset because there could be an accident.”
NHTSA complaint #873785, filed 2000-10Exterior lighting: “Took vehicle to dealer for heater hose repair. While there, was informed by mechanic that headlight would flutter/flicker off and on. Could not find cause of problem.”
NHTSA complaint #822053, filed 1998-03Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Fuel economy and running cost
EPA ratings for each 1984 Mercury Topaz 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 |
|---|---|---|---|---|---|---|
| Topaz | 2.3L 4-cyl | 5-speed manual | 21 | 29 | 24 | $2,800 |
| Topaz | 2.3L 4-cyl | 3-speed automatic | 21 | 25 | 22 | $3,050 |
| Topaz | 2.3L 4-cyl | 3-speed automatic | 20 | 24 | 22 | $3,050 |
| Topaz | 2.3L 4-cyl | 5-speed manual | 20 | 26 | 22 | $3,050 |
| Topaz | 2.3L 4-cyl | 3-speed automatic | 19 | 24 | 21 | $3,200 |
| Topaz | 2.0L 4-cyl · diesel | 5-speed manual | 31 | 39 | 34 | $2,800 |
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
- 86V082000Jun 24, 1986SeatsCovers: Mercury Topaz 1984, Ford Tempo 1984
The forward bolt that provides part of the attachment between the driver's seat back assembly and the seat cushion frame may be subject to fatigue fracture. Consequence of defect: if this bolt breaks, the driver and seat back will fall back, which could…
- 85V145000Nov 5, 1985Suspension › RearCovers: Mercury Topaz 1984–1985, Ford Tempo 1984–1985
Rear supension control arm-to-spindle attachment bolts may be subject to fracture causing the rear spindle to separate during use of car. Consequence of defect: if bolts fracture and rear spindle disengages from control arm, loss of control will be…
- 85V086000Jul 3, 1985Suspension › RearCovers: Mercury Topaz 1984–1985, Ford Tempo 1984–1985
Rear suspension control arm-to-spindle attachment bolts may be subject to fracture during use of car. Consequence of defect: if bolts fracture, rear spindle could disengage from control arm and possibly result in loss of control.
- 83V134000Dec 20, 1983Seat belts › Front › AnchorageCovers: Mercury Topaz 1984, Marquis 1984, Ford Escort 1984 +15 more
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 motor vehicle safety standard no. 210, "seat belt assembly…
- 83V055000May 16, 1983Interior lightingCovers: Mercury Topaz 1984, Ford Tempo 1984
In the event of a short circuit in the instrument panel, the headlamp and interior illumination control switches could overheat.
Recall details for the 1984 Mercury Topaz → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
No technical service bulletins are on record for the 1984 Mercury Topaz.
Other model years of the Mercury Topaz
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 1994 | 63 | 80,000 | 1 | — | 21 | Not compared (before 2008) | Stable |
| 1993 | 71 | 97,365 | 2 | — | 21 | Not compared (before 2008) | Stable |
| 1992 | 62 | 33,000 | 2 | — | 21 | Not compared (before 2008) | Stable |
| 1991 | 40 | 25,000 | 1 | — | 21 | Not compared (before 2008) | Stable |
| 1990 | 48 | — | 1 | — | 21 | Not compared (before 2008) | Stable |
| 1989 | 46 | 94,000 | 1 | — | 21 | Not compared (before 2008) | Stable |
| 1988 | 21 | 147,256 | 2 | — | 21 | — | Stable |
| 1987 | 16 | 110,000 | 0 | — | 22 | — | Stable |
| 1986 | 9 | — | 0 | — | 23 | — | Not enough data |
| 1985 | 5 | — | 3 | — | 23 | — | Not enough data |
| 1984 | 10 | — | 5 | — | 22 | — | Not enough data |
All Mercury Topaz model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 1984 Mercury Topaz have?
NHTSA recorded 10 consumer complaints for the 1984 Mercury Topaz as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1984 Mercury Topaz is reported most often?
Electrical system is named most often, in 7 complaints (70% of the total), followed by engine cooling with 3.
Has the 1984 Mercury Topaz been recalled?
NHTSA lists 5 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 1984 Mercury Topaz get?
The EPA rates the 1984 Mercury Topaz (Topaz, 2.3L 4-cyl) at 22 mpg combined, 21 city and 25 highway, with an estimated annual fuel cost of $3,050 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 29, 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.