1984 Mercury Cougar Vehicle speed control Problems
- Complaints
- 1about this part
- Share
- 6%of 17 total for the year
- Median mileage
- 41,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the vehicle speed control of the 1984 Mercury Cougar, 6% of the 17 complaints for this model year. Where a mileage was given, the median is 41,000 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While releasing the brake pedal, the vehicle accelerated uncontrollably. The consumer was not able to maintain control of the vehicle and crashed into a tree. The consumer will contact the dealer in the near future. The cause has not been determined at this time. Please provide further details. The consumer stated that the sudden acceleration left tire marks on the driveway.”
NHTSA complaint #10099244, filed 2005-01, 41,000 milesVehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2002 | 4 | 4% |
| 2001 | 3 | 4% |
| 2000 | 16 | 8% |
| 1999 | 31 | 7% |
| 1997 | 2 | 3% |
| 1996 | 5 | 8% |
| 1995 | 7 | 6% |
| 1994 | 11 | 8% |
| 1993 | 4 | 2% |
| 1992 | 8 | 9% |
| 1991 | 9 | 12% |
| 1990 | 18 | 21% |
| 1989 | 21 | 26% |
| 1988 | 10 | 18% |
| 1987 | 3 | 9% |
| 1986 | 2 | 15% |
| 1985 | 2 | 20% |
| 1984 | 1 | 6% |
Other parts of the 1984 Mercury Cougar
7 complaintsEngine cooling
4 complaintsBrakes
2 complaintsSeat belts
2 complaintsSteering
2 complaintsFuel system
1 complaintsOther or unknown
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 1984 Mercury Cougar
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology