1998 Mercury Grand Marquis Vehicle speed control Problems
- Complaints
- 9about this part
- Share
- 6%of 143 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 9 complaints about the vehicle speed control of the 1998 Mercury Grand Marquis, 6% of the 143 complaints for this model year. Where a mileage was given, the median is 60,000 miles. 2 of these say a crash was involved and 2 a fire, according to the filers. 2 recall campaigns on record are filed under a similar system.
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.
“The contact owns a 1998 Mercury Grand Marquis. The contact stated that the vehicle abnormally accelerated while attempting to park with the brakes depressed. The vehicle was not taken to the dealer and the manufacturer was not made aware of the failure. The vehicle was not repaired. The failure and the current mileage was 60,000. Updated 01/13/12 updated 01/19/12”
NHTSA complaint #10439046, filed 2011-12, 60,000 miles“The contact owns a 1998 Mercury Grand Marquis. While driving 60 MPH, the cruise control would not activate. As of october 1, 2007, the dealer had not inspected the vehicle to determine the cause of the failure. The manufacturer stated that the VIN was excluded from NHTSA campaign id number 07v336000 (vehicle speed control). The failure mileage was 50,000 and current mileage was 72,000.”
NHTSA complaint #10204575, filed 2007-10, 50,000 miles“The contact owns a 1998 Mercury Grand Marquis. While the vehicle was parked the contact heard a loud booming noise from inside his home. The contact noticed flames underneath the hood. The fire department extinguished the fire and a report was filed. The vehicle was destroyed. The manufacturer was made aware of the failure and a complaint was filed. The contact stated there was a recall under NHTSA campaign id number: 07v336000 (vehicle speed control) that may be related to the failure. The manufacturer stated the VIN was not included in the recall. The vehicle was not repaired. …”
NHTSA complaint #10412167, filed 2011-07, 63,000 miles“Vehicle started down shifting while traveling on wet pavement up a slight incline with the cruise control engaged. Accelerator pedal went to the floor. Consumer tried to disengage cruise control by pumping the brakes, but the car began to slip and engine began to race. Please provide further details.”
NHTSA complaint #893556, filed 2001-08“Dt: the caller said her car burned up in 2000. Now she is finding out about the investigation into the cruise control fires. She believes that the car should be included. At the time she was told to call the insurance company, they said to call manufacturer, and she was getting the run around. She saw on cnn and the newspaper about the current problem they are having and wanted someone to help her. There is a fire report. The vehicle fire was contained to the engine compartment and dash area.”
NHTSA complaint #10126197, filed 2005-07Related recalls
- 08V051000Feb 4, 2008Ford is recalling 225,000 my 1992-2003 econoline, my 1993-1995 taurus sho, my 1992-1998 crown victoria, my 1993 bronco, f-series, my 1995-1997 f-series super…Covers: Mercury Grand Marquis 1992–1998, Ford E-150 1992–2003, Econoline 1992–2003 +10 more
- 07V336000Aug 3, 2007On certain pickup trucks, passenger vehicles, sport utility vehicles, and motor homes chassis, the speed control deactivation switch may, under certain…Covers: Mercury Grand Marquis 1992–1998, Ford E-150 1992–1993, 1997–2003, E-350 1992–1993, 1997–2003 +18 more
Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 3 | 12% |
| 2009 | 4 | 15% |
| 2008 | 15 | 19% |
| 2007 | 13 | 14% |
| 2006 | 37 | 26% |
| 2005 | 39 | 8% |
| 2004 | 23 | 7% |
| 2003 | 27 | 7% |
| 2002 | 17 | 22% |
| 2001 | 27 | 17% |
| 2000 | 13 | 8% |
| 1999 | 12 | 7% |
| 1998 | 9 | 6% |
| 1997 | 24 | 8% |
| 1996 | 19 | 8% |
| 1995 | 23 | 13% |
| 1994 | 33 | 21% |
| 1993 | 19 | 13% |
| 1992 | 31 | 12% |
| 1991 | 12 | 15% |
| 1990 | 9 | 16% |
| 1989 | 14 | 24% |
| 1988 | 12 | 16% |
| 1987 | 7 | 16% |
| 1986 | 1 | 5% |
| 1985 | 4 | 19% |
| 1984 | 4 | 27% |
| 1983 | 1 | 14% |
Other parts of the 1998 Mercury Grand Marquis
26 complaintsSteering
17 complaintsExterior lighting
16 complaintsSuspension
16 complaintsElectrical system
15 complaintsBody and structure
10 complaintsFuel system
8 complaintsTransmission and drivetrain
8 complaintsBrakes
7 complaintsTires
7 complaintsAir bags
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaints
← All problems reported for the 1998 Mercury Grand Marquis
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.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology