Warning Light On Problems of Mercury Grand Marquis

Mercury Grand Marquis owners have reported 20 problems related to warning light on (under the air bag category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercury Grand Marquis based on all problems reported for the Grand Marquis.

1 Warning Light On problem of the 2006 Mercury Grand Marquis

Failure Date: 11/26/2020

Tl the contact owns a 2006 Mercury Grand Marquis. The contact stated that after starting the vehicle and driving for 2 minutes, the air bags and seat belts warning lights would illuminate with an audible beep. The vehicle was taken to ron tirapelli Ford, inc. (4355 w jefferson st, shorewood, IL 60404) and the contact was informed that the part to do the repair was not in stock, since there was no recall associated with the failure. The vehicle remained at the dealer unrepaired. The manufacturer was not informed of the failure. The approximate failure mileage was 81,000.

See all problems of the 2006 Mercury Grand Marquis 🔎.

2 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 05/01/2017

The contact owns a 2005 Mercury Grand Marquis. The contact stated that the seat belts failed to function properly in the vehicle. In addition, the air bag warning light remained illuminated. The vehicle was included in NHTSA campaign number: 15v861000 (exterior lighting). The vehicle had not yet been diagnosed by a dealer. The manufacturer was notified of the failure and the contact was waiting for a response to schedule a repair solution with a dealer. The approximate failure mileage was 70,000.

See all problems of the 2005 Mercury Grand Marquis 🔎.

3 Warning Light On problem of the 2006 Mercury Grand Marquis

Failure Date: 10/27/2016

While driving the air bag warning light came on. Mechanic determined that the passenger seat belt pretensioner was bad. Replaced pretensioner at 68527 miles on the odometer. Fixed problem. At 68669 miles the air bag warning light again came on. Mechanic now says the driver side pretensioner is bad. This automobile has never been in an accident. First incident 9/16/16. Second incident 10/27/16.

4 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 11/23/2015

Airbag warning light illuminated. Diagnosis indicated seat belt pre-tensioner was defective. Since airbag would not deloy in this condition, it was replaced, costing $513. 00. Internet search shows numerous complaints. Safety recall is warranted.

5 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 05/13/2015

The contact owns a 2005 Mercury Grand Marquis. The contact stated that the air bag warning light illuminated continuously. The vehicle was taken to a dealer where it was diagnosed that the seat belt assembly needed to be replaced. The vehicle was repaired, but the failure recurred. The manufacturer was not notified of the failure. The approximate failure mileage was 66,900.

6 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 05/05/2015

Car failed safety inspection due air bag warning light on. Diagnosis indicated that the driver's seat belt pretensioner had failed, and air bag would not inflate in a crash. The pretensioner had to be replaced. This seemed like a premature failure, as the car has only 47924 miles. The service desk person at the dealer said that this was very common in Mercury Grand Marquis. I did some checking on the internet and found that he was correct, according to all of the reports exactly like mine. In virginia a car fails for this light being on. I'm not sure about other states. In view of the frequency of this problem, I feel there should be a recall.

7 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 11/10/2014

The contact owns a 2005 Mercury Grand Marquis. While driving at various speeds, the air bag warning light illuminated. The vehicle was taken to a dealer where it was diagnosed that the air bag pretensioners failed. As a result, the seat belt retractor assembly needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 51,000. The VIN was not available.

8 Warning Light On problem of the 2006 Mercury Grand Marquis

Failure Date: 10/27/2014

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.

9 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 10/12/2014

The air bag warning light came on and stayed on. Turned off ignition. Restarted vehicle and airbag warning light came back on. Took to Ford dealer diagnosed as a bad seatbelt pretensioner cost for diagnosis $110. 00 estimated cost to repair $830. 00. Did not have repaired. This should be a recall item.

10 Warning Light On problem of the 2004 Mercury Grand Marquis

Failure Date: 09/15/2014

Tl- takata recall. The contact owns a 2004 Mercury Grand Marquis. The contact stated that there was a sudden loss of power steering which was randomly progressing with no warning. The contact stated that when the steering wheel was turned left or right, the contact had to apply force to prevent the steering wheel from going straight several times. In addition, the air bag warning light was randomly flashing. The vehicle was to be taken to a dealer for inspection and diagnosis. The manufacturer was notified of the failure. The approximate failure mileage was 150,000. Dyd.

See all problems of the 2004 Mercury Grand Marquis 🔎.

11 Warning Light On problem of the 2006 Mercury Grand Marquis

Failure Date: 04/08/2014

The contact owns a 2006 Mercury Grand Marquis. The contact stated that the air bag warning light illuminated. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 73,000.

12 Warning Light On problem of the 2006 Mercury Grand Marquis

Failure Date: 02/28/2014

In Feb, 2014, I originally had a minor crash when another driver was cited for reckless driving. His insurance paid for my damage. No airbags were deployed on either me, the driver, or my mother, the passenger. We were belted in. Recently, on September 7th, 2015, the airbag warning light and chimes came on when I started the vehicle. The light continues to come on, the chime rings in 3 sets of 5 periodically. The dealer that fixed the original damage, alan jay, ran a $55 diagnostic and stated the passenger seat belt pretensioner was open, and that this could have only occurred in an accident. I asked why the system did not respond the 1 1/2 years earlier when the accident occurred? alan jay did not have an answer, but stated my entire restraint system and airbags would not operate in any future crash, until I replace the passenger seat belt, which will cost $780. 00 alan jay Ford / Mercury said to contact national general insurance because "the pretensioner doesn't just go" that an accident had to have occurred to cause this. National general called me back today and stated this is untrue. There has been multiple complaints on the Mercury Grand Marquis airbag light activating and shutting down the restraint system and turning off the airbags for no cause. . Read more...

13 Warning Light On problem of the 2006 Mercury Grand Marquis

Failure Date: 02/25/2014

The contact owns a 2006 Mercury Grand Marquis. The contact stated that the air bag warning light illuminated. In addition, a burning odor emitted inside of the vehicle. The failure occurred whenever the vehicle was in operation. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 96,000.

14 Warning Light On problem of the 2006 Mercury Grand Marquis

Failure Date: 09/25/2013

The contact owns a 2006 Mercury Grand Marquis. The contact stated that while driving 30 mph, the driver's side air bag warning light illuminated. The vehicle was taken to the dealer for diagnosis where it was stated that the driver's side pretensioner failed and needed to be replaced. The vehicle was not repaired and the manufacturer was notified. The approximate failure mileage was 38,000. The consumer was informed a small spring in the seat belt harness broke and the only way to replace it, was to replace the entire seat belt harness. Two months later, the failure happened again. Updated 04/01/14.

15 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 07/01/2013

I own a 2005 Mercury gran marquis. The air bag warning light illuminated once the engine was started and remained on. The vehicle was taken to the local Ford dealer service department for diagnosis and I was informed that the driver's side seatbelt pretensioner would need to be replaced at a cost of $501 in addition to the $103 charged for diagnosis. The vehicle has not yet been repaired. I will inform the manufacturer. I observe from other websites/reports what I believe may be a pattern of premature failure of gran marquis seatbelt pretensioners especially in the 2005 model year. The failure mileage was 127,084 and the current mileage was 127,201.

16 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 05/14/2013

The air bag warning light comes on, blinks the code 34 two times then stays on. After researching I find that numerous 2005 Mercury Grand Marquis have had the same problem. This is something that needs to be fixed by Ford. I have had more problems with this model than I have ever had with any other car. I have had to replace the a/c - heating system, front light system (after tons of complaints by other people Ford finally recalled and fixed the problem. Why do you wait? if one person complains, much less numerous others it should be fixed by Ford due to faulty parts. Of course now I will have to have it fixed and it is expensive! I use to have all the faith in the world in Ford but no more. You buy parts not made in America and this is the result and of course you don't put the parts where they can be easily accessible so the owner can repair it themselves and the dealerships charge astronomical fees to fix it. Wonder how long before Ford acknowledges and recalls or at least fixes the problem when someone takes in the car.

17 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 10/12/2012

Tl- the contact owns a 2005 Mercury Grand Marquis. The contact stated that while parked, the air bag warning light illuminated on the instrument panel. The vehicle was taken to the dealer for diagnostic testing. The technician advised the contact that the passenger side seat belt kit would have to be replaced. The vehicle was repaired however, the air bag warning light re-illuminated. The vehicle was taken back to the dealer for diagnostic testing. The technician then advised that the front driver side seat belt kit would have to be replaced. The vehicle was not repaired. The VIN was not available. The approximate failure mileage was 90,000. Kmj.

18 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 09/01/2012

The contact owns a 2005 Mercury Grand Marquis. The contact stated that the air bag warning light illuminated. The vehicle was taken to a dealer for diagnosis and the contact was informed that the passenger's side pre-tensioner would need to be replaced. The vehicle was repaired. The driver's side pre-tensioner failed eight months later. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 15,000 and current mileage was 16,000.

19 Warning Light On problem of the 2006 Mercury Grand Marquis

Failure Date: 07/19/2012

The contact owns a 2006 Mercury Grand Marquis. The contact stated that the air bag warning light illuminated continuously. The vehicle was taken to the dealer for diagnostic testing where the technician confirmed that the failure was contributed to the faulty front driver and passenger side seat belt pretensioner. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 60,177.

20 Warning Light On problem of the 2005 Mercury Grand Marquis

Failure Date: 06/01/2011

The contact owns a 2005 Mercury Grand Marquis. The contact stated that the air bag warning light illuminated upon starting the vehicle. The vehicle was taken to an independent mechanic where the seat belts were replaced because the pretensioners had failed. The manufacturer was made aware of the failure and offered no assistance. The failure mileage was 41,450. Updated 05/08/lj the consumer stated the front and rear seat belts were replaced. Updated 05/14/12.


Other Common Air Bag related problems of Mercury Grand Marquis


Fuel Economy of Grand Marquis Vehicles
Grand Marquis Service Bulletins
Grand Marquis Safety Recalls
Grand Marquis Defect Investigations