2009 Mercury Grand Marquis Suspension Problems
- Complaints
- 2about this part
- Share
- 8%of 26 total for the year
- Median mileage
- 65,908miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the suspension of the 2009 Mercury Grand Marquis, 8% of the 26 complaints for this model year. Where a mileage was given, the median is 65,908 miles.
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 2009 Mercury Grand Marquis. While driving and exiting off the ramp the vehicle drove over a bump and the rear of the vehicle elevated highly without warning. The vehicle was driven to the contact's residence. The vehicle was not diagnosed. The dealer replaced the air compressor; however, the failure recurred. The manufacturer was not made aware of the failure. The approximate failure mileage was 65,908. Updated 03/02/17”
NHTSA complaint #10947126, filed 2017-01, 65,908 miles“Mercury Grand Marquis air suspension is terrible.(2009&2010) when going over a bump the car like bottoms out with a loud bang. Car sways a little must hold onto the steering wheel. Could be a safety problem???”
NHTSA complaint #10350356, filed 2010-08Related service bulletins
- 10028750May 22, 2009Ford: right side rear axle oil leaks. Oil leaks from the right rear axle wheel bearing oil seal may be caused by a combination of a damaged seal and/or poor seal surface finish…
Suspension: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 1 | 4% |
| 2009 | 2 | 8% |
| 2008 | 1 | 1% |
| 2007 | 2 | 2% |
| 2006 | 2 | 1% |
| 2005 | 2 | 0% |
| 2004 | 3 | 1% |
| 2003 | 28 | 8% |
| 2002 | 11 | 14% |
| 2001 | 7 | 4% |
| 2000 | 15 | 9% |
| 1999 | 18 | 11% |
| 1998 | 16 | 11% |
| 1997 | 26 | 8% |
| 1996 | 15 | 6% |
| 1995 | 17 | 10% |
| 1994 | 2 | 1% |
| 1993 | 1 | 1% |
| 1992 | 5 | 2% |
| 1991 | 2 | 2% |
| 1984 | 1 | 7% |
Other parts of the 2009 Mercury Grand Marquis
6 complaintsSteering
5 complaintsElectrical system
4 complaintsVehicle speed control
4 complaintsFuel system
3 complaintsEngine
2 complaintsTires
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsExterior lighting
1 complaintsSeat belts
1 complaintsBody and structure
1 complaints
← All problems reported for the 2009 Mercury Grand Marquis
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