Vehicle speed controlPart report
1991 Mercury Topaz Vehicle speed control Problems
- Complaints
- 4about this part
- Share
- 10%of 40 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the vehicle speed control of the 1991 Mercury Topaz, 10% of the 40 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Vehicle speed control: other model years
Other parts of the 1991 Mercury Topaz
Electrical system
12 complaintsBrakes
8 complaintsSeat belts
8 complaintsEngine cooling
6 complaintsFuel system
5 complaintsExterior lighting
1 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsSteering
1 complaintsBody and structure
1 complaintsSuspension
1 complaints
12 complaintsBrakes
8 complaintsSeat belts
8 complaintsEngine cooling
6 complaintsFuel system
5 complaintsExterior lighting
1 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsSteering
1 complaintsBody and structure
1 complaintsSuspension
1 complaints
← All problems reported for the 1991 Mercury Topaz
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