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ProblemsByVin Index / 2006-MERCURY-GRAND-MARQUIS / COMPLAINTS
Full complaint record · NHTSA

2006 Mercury Grand Marquis owner complaints

142 complaints filed with NHTSA on this vehicle , including 1 reporting a crash, fire, injury, or fatality. Showing the 300 most recent — grouped by category for scanning.

airbags 5 complaints shown

36 total in this category · severe · avg repair $1,100 · see airbags cluster analysis →
12/23/2015 14,000 mi ODI #10811916.0

A few minutes after starting my merc gr mar 2006 I get a 5 pingling singnals that continues for about 4 minutes, then stops, the airbag lights shows on the dashboard after turning off my car and restarting it the same pingling sounds comes on againi have taking my car to the Ford dealer and could get no real help, told it did not effect my driving the car, but would have to spend almost 1,000 for a diagnostic test, why its not my fault, this stared already late 2013,, had not used the car for 4 months when this occurred, please help, manufacturer has to be responsible to correct this, very annoyingsound

11/25/2014 24,391 mi ODI #10660950.0

First noticed airbag light began flashing on and off. Within two days the airbag light came on and remained on. Had the dealer check this out. The report came back driver side seat belt was at fault. No repair available must be replaced. *tr

11/20/2014 62,418 mi ODI #10659853.0

Light for air bag came on with warning sound. Had local garage fix with new parts from Ford dealer. This morning upon backing out of garage at approximately 70,000. Miles same problem of light and sound. Supposed to take it to same garage to diagnose tomorrow. It cost me, a 78 yr. Widow, $561.72 to replace this in aug. Of 2013. I am not going to spend another cent on this problem. What in the world has happened to air bag installation? *tr

11/04/2019 53,000 mi ODI #11277959.0

Air bag light comes on and blinks code 3 3 then dings an alarm 5 dings x 5 times every 30 minutes, light stays on. I understand code 33 or 34 are seat belt pretentioners that are known to fail on mid 2000's Ford vehicles. Mine is 2006 grand marquis. This appears to be a defect in materials causing a saftey concern for myself and passengers. The air bag system is disabled until repaired and the repair is very expensive. The vehicle has not been in an accident and it has been diagnosed as a driver side pretentioner high resistance failure. The mechanic suggested they replace both driver and passenger side since the passenger side will most likely also fail soon according to his experiance. This should be recalled to have pretensioners replaced since it is a known defect and safety hazard cau

11/03/2014 100,000 mi ODI #10652234.0

Tl* the contact owns a 2006 mercury grand marquis. The contact stated that the air bag warning light illuminated. The vehicle was taken to an independent mechanic, who diagnosed that the seat belt tension needed to be replaced however, the part to do the repair was unavailable. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 100,000.

other 3 complaints shown

12/20/2019 130,000 mi ODI #11290351.0

Tl* the contact owned a 2006 mercury grand marquis. While the vehicle was parked, the contact noticed that the passenger side fuel tank was close to the ground. Upon inspection, it was evident that the passenger side fuel tank strap fractured due to corrosion. The vehicle was taken to an independent mechanic to be repaired. The vehicle was repaired. The dealer and manufacturer were not notified of the failure. The approximate failure mileage was 130,000. The VIN was not available.

11/16/2015 90,000 mi ODI #10790701.0

Tl* the contact owns a 2006 mercury grand marquis. While the vehicle was parked, the contact noticed that the fuel straps were partially detached from the vehicle.the vehicle was taken to the dealer where it was diagnosed that the fuel straps were corroded and needed to be replaced. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 90,000. Updated 1/15/16 *cn *cn

11/08/2006 ODI #10172936.0

Dt*: the contact stated while driving various speeds with the accelerator pedal depressed to the floor, the floor mat became trapped underneath the accelerator pedal, and the vehicle lurched forward without warning. The contact managed to stop the sudden acceleration by applying brake pressure and moving the floor mat from underneath the accelerator pedal. The dealer and manufacturer were not alerted. Updated 12/1/2006 - *nm

cruise control 3 complaints shown

29 total in this category · severe · avg repair $600 · see cruise control cluster analysis →
11/19/2013 55,000 mi ODI #10552931.0

On several occasions since I've owned this vehicle (I am original owner) when I step on the brakes hard the engine accelerates. Recently it has gotten worse and I know I'm not touching the accelerator. Today it was so bad the I was standing on the brakes with both feet and burning rubber. I shifted to park and the engine went onto max acceleration. I shut of the engine and restated and found it was still at max acceleration. I shut it off again and waited 30 seconds. When I then restarted it ran normally. Fortunately I was at a stop sign or I think there would have been a collision if in traffic. *tr

11/09/2017 170,000 mi ODI #11044890.0

Tl* the contact owns a 2006 mercury grand marquis. While driving 45 MPH, the vehicle accelerated independently. The contact depressed the brake pedal, but the vehicle did not stop. The contact was able to place the vehicle in neutral and depress the brake pedal in order to stop the vehicle. The vehicle was not taken to be diagnosed or repaired. The failure was intermittent. The dealer was not contacted. The manufacturer was notified of the failure. The approximate failure mileage was 170,000.

11/07/2013 52,000 mi Crash ODI #10551249.0

Stopped at railroad crossing. Train moving. 1 car ahead of me at railroad. Stop. I was completely stopped. After being stopped for about a minute my car suddenly accelerate and slammed into car in front of me pushing car forward in the side of moving train. My car also slammed into train and was reversed and stopped on railroad post. During this time I could not stop vehicle. The vehicle was traveling at considerable speed. *tr

seatbelts 2 complaints shown

10 total in this category · moderate · avg repair $500 · see seatbelts cluster analysis →
12/03/2014 60,000 mi ODI #10661895.0

Tl* the contact owns a 2006 mercury grand marquis. The contact stated the air bag warning indicator was illuminated. The vehicle was taken to a dealer who stated that the retractor failed. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 60,000.

11/25/2014 90,000 mi ODI #10660830.0

Tl* the contact owns a 2006 mercury grand marquis. The contact stated that the air bag sensor and seat belt sensor illuminated. The vehicle was taken to an authorized dealer who diagnosed that the seat belt sensor malfunctioned and the air bag may not deploy. The dealer stated that the seat belt assembly needed to be replaced. However, the repairs could not be performed since the parts were not available. The contact was waiting to schedule NHTSA campaign id number: 14v704000 (steering).the dealer could not provide a specific date when the parts would become available. The manufacturer was contacted and could not provide an estimated date for when the vehicle would receive the recall repairs. The approximate failure mileage was 90,000.

visibility 2 complaints shown

4 total in this category · moderate · avg repair $350 · see visibility cluster analysis →
11/21/2007 2,000 mi ODI #10210506.0

2006 mercury grand marquis blower motor resistor is defective. Consumer has had it replaced twice. *kb

11/09/2011 71,000 mi ODI #10434992.0

Tl* the contact owns a 2006 mercury grand marquis. The contact stated that when the air conditioner or heat was activated, it would not blow as directed. If he placed the indicator on the floor blower, the air or heat would blow from the defroster or blow toward the passenger. The dealer informed the contact that the automated air conditioner control head malfunctioned and needed to be replaced. The vehicle was taken to a private mechanic who confirmed the failure. The manufacturer was made aware of the failure however, did not offer any assistance. No repairs were performed. The current mileage was 73,000. The approximate failure mileage was 71,000.

body 2 complaints shown

5 total in this category · severe · avg repair $1,500 · see body cluster analysis →
11/09/2006 ODI #10173015.0

Panel behind right wheel well is loose and when heavy rain and water is heavy on highway panel makes noise when water hits it like something loose and makes a flapping noise. I think all 2006 and 2007 are this way. Not resolved. *jb

11/05/2009 34,640 mi ODI #10291058.0

Water coming through air vent below windshield and causing wet floor under passengers seat and behind the seat on floor when in hard rain or going through car wash. *tr

steering 1 complaint shown

12 total in this category · severe · avg repair $700 · see steering cluster analysis →
11/27/2017 ODI #11048819.0

Steering wheel wont lock when I turn off the engine don't know if its part of a recall and didn't fix it right... Brake light when I step hard on brake pedal the brake light comes on for few seconds.

engine 1 complaint shown

6 total in this category · moderate · avg repair $3,100 · see engine cluster analysis →
11/24/2007 ODI #10209786.0

My 2006 grand marquis has a very annoying roaring noise when the tachometer is between 1800 and 2000 RPM. Also at highway speed between 65mph and 70mph which is about 1800 on the tachometer. Very irritating. *tr

electrical 1 complaint shown

7 total in this category · severe · avg repair $850 · see electrical cluster analysis →
11/13/2019 19,000 mi ODI #11279874.0

Tl* the contact owns a 2006 mercury grand marquis. The contact stated that the automatic door lock feature was inoperable. Additionally, the driver's door failed to unlock while using the key fob. The contact was able to lock and unlock the other doors with the key fob. The vehicle was not diagnosed or repaired. A dealer was not contacted. The manufacturer was informed of the failure. The approximate failure mileage was 19,000.

Showing 300 of 142 total complaints. The full federal record is available at nhtsa.gov/vehicle/2006/Mercury/Grand Marquis#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-28. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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