1999 Mercury Grand Marquis Transmission and drivetrain Problems
- Complaints
- 12about this part
- Share
- 7%of 164 total for the year
- Median mileage
- 100,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 12 complaints about the transmission and drivetrain of the 1999 Mercury Grand Marquis, 7% of the 164 complaints for this model year. Where a mileage was given, the median is 100,000 miles. 4 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.
“Vehicle would shake violently at any speed from 45-80mph. Took to a mechanic said the front end needed to be replaced. $800.00 later it still did it, then took back said the tires needed to be replaced although we had 80,000 mile tires, and only had 35,000 miles put on them. Replaced the tires for $600.00. Still shook, took to a different mechanic said it was the transmission failing. …”
NHTSA complaint #10428282, filed 2011-10, 80,000 miles“I got out of the car, with the engine running, in park, emergency brake not applied, was on a level spot,. I left the door open, for a few minutes, the door slammed, and the car started going forward and ran into our other car and storage shed.”
NHTSA complaint #719140, filed 2000-02“The contact owns a 1999 Mercury Grand Marquis. The contact stated that the vehicle started stalling with the illumination of the check engine warning light. The vehicle was taken to the dealer. The dealer advised that the transmission would need replacing. The vehicle was repaired. The manufacturer was contacted and stated that the vehicle was not under recall. The failure mileage was 120,000 and the current mileage was 126,000.”
NHTSA complaint #10467050, filed 2012-07, 120,000 miles“Steering is very hard to control, it goes where bumps and dips take you. Car will jump all over the road. Steering has constant pull to left with lots noise. Also steel to steel slamming noise. Steering colum inside car moves. Dealers look make some adjustments,say found no problem. But problems continue. I returned for repeat preformance. Very rough ride front and rear . Electrical problems surfacing, lights flickering,dash,dome headlights etc., engine cut out as if I turned it off and then came back on each time ihave been sitting still, talk about a dangerous driving situation! …”
NHTSA complaint #738031, filed 2000-12“The auto produced an uncontrollable skid while braking on a wet road and proceeding around a ramp. Rather than proceed left while turning on the ramp requiring only a minor negotiation of a slight hilled and curved road, it proceeded into a right diagonal turn into the guard rail and would have plunged into the adjacent ditch absent the rail. …”
NHTSA complaint #746049, filed 2001-05Related service bulletins
- 10014086Dec 13, 2004General (pcm) power train control module programming procedures.
- 10013369Nov 1, 2004General power train control module (pcm) programming procedures.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 2 | 8% |
| 2009 | 2 | 8% |
| 2008 | 3 | 4% |
| 2007 | 5 | 5% |
| 2006 | 4 | 3% |
| 2005 | 5 | 1% |
| 2004 | 9 | 3% |
| 2003 | 12 | 3% |
| 2002 | 1 | 1% |
| 2001 | 13 | 8% |
| 2000 | 6 | 4% |
| 1999 | 12 | 7% |
| 1998 | 8 | 6% |
| 1997 | 12 | 4% |
| 1996 | 15 | 6% |
| 1995 | 11 | 6% |
| 1994 | 18 | 12% |
| 1993 | 29 | 20% |
| 1992 | 29 | 11% |
| 1991 | 8 | 10% |
| 1990 | 6 | 11% |
| 1989 | 6 | 10% |
| 1988 | 4 | 5% |
| 1987 | 1 | 2% |
| 1986 | 1 | 5% |
| 1985 | 1 | 5% |
| 1983 | 3 | 43% |
Other parts of the 1999 Mercury Grand Marquis
26 complaintsExterior lighting
20 complaintsSuspension
18 complaintsSteering
16 complaintsElectrical system
15 complaintsTires
12 complaintsVehicle speed control
12 complaintsBrakes
9 complaintsEngine
7 complaintsSeat belts
7 complaintsBody and structure
7 complaintsFuel system
6 complaints
← All problems reported for the 1999 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