There are 3 owner-reported air bags & restraints complaints for the 2004 Mercury Grand Marquisin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2004 MERCURY GRAND MARQUIS. WHILE THE VEHICLE WAS IN MOTION IN A PARKING AREA, THE DRIVER'S, FRONT PASSENGER, AND STEERING WHEEL AIR BAGS DEPLOYED WITH FORCE. THE DEPLOYMENT OCCURRED WITHOUT WARNING OR AN IMPACT AND A GRAYISH BLUE SUBSTANCE ENTERED INTO THE VEHICLE. THE FAILURE IMPACTED THE CONTACT'S VISIBILITY. THE DRIVER WAS SHAKEN, BUT WAS NOT INJURED. THE INSURANCE COMPANY WANTED TO CONDUCT A COLLISION REPORT AND HAD NOT YET INVESTIGATED THE CAUSE OF THE AIR BAG DEPLOYMENT. BILL KNIGHT FORD (9607 S MEMORIAL DR, TULSA, OK 74133, (918) 526-2400) WAS NOTIFIED OF THE FAILURE, BUT HAD NOT YET SCHEDULED AN APPOINTMENT TO DIAGNOSE THE AIR BAG DEPLOYMENT. THE MANUFACTURER WAS CONTACTED AND HAD NOT ISSUED ANY AIR BAG RECALLS. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS NOT AVAILABLE.
TL*THE CONTACT OWNS A 2004 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING AT AN UNKNOWN SPEED, SHE FELL ASLEEP. THE VEHICLE CRASHED INTO A TELEPHONE POLE. THE CONTACT SUSTAINED TWO BLACK EYES AS A RESULT. THE AIR BAGS DID NOT DEPLOY. THE VEHICLE WAS DESTROYED. THE CONTACT WAS UNSURE IF THE MANUFACTURER HAD NOT BEEN NOTIFIED. THE FAILURE MILEAGE WAS APPROXIMATELY 85,000.
MY WIFE WAS DRIVING OUR 2004 MERCURY GRAND MARQUIS (PRE-CERTIFIED, BOUGHT OFF THE SHOWROOM FLOOR AUGUST 2004); OUR THREE TEENAGE FOSTER CARE CHILDREN AND I WERE PASSENGERS. OUR MARQUIS ENTERED THE PARKING LOT OF CONVENIENCE STORE SO THAT WE COULD INSTALL AIR IN LEFT FRONT TIRE. WE DID A U-TURN IN PARKING LOT TO PROCEED TO AIR COMPRESSOR. WITH HER RIGHT FOOT ON BRAKE PEDAL, MY WIFE STEERED THE CAR THROUGH THE U-TURN, HEADING TOWARD AIR COMPRESSOR. SUDDENLY, WITHOUT ANY WARNING, THE CAR ACCELERATED UNCONTROLLABLY. THE BRAKE WOULD NOT WORK - BRAKE PEDAL WAS PUSHED ALL THE WAY DOWN; CAR CONTINUED TO ACCELERATE AND TRAVELED OVER A LARGE CONCRETE BARRIER AND CRASHED INTO BUILDING. THE CAR COULD NOT BE STEERED WHILE CAR SPED FORWARD. THE AIR BAGS DID NOT DEPLOY. WE WERE WEARING OUR SEAT BELTS AND SHOULDER HARNESSES. THANKFULLY, THE AUTO HIT THE BUILDING INSTEAD OF THE GASOLINE PUMPS IN PARKING LOT. AFTER CRASHING INTO BUILDING, THE ENGINE CONTINUED TO ACCELERATE OR "REV" AT HIGH RATE. A LADY WHO WAS PUMPING GAS INTO HER CAR RUSHED OVER TO ASSIST US. SHE INSISTED THAT MY WIFE KEEP HER FOOT ON BRAKE PEDAL AND ASSISTED IN GETTING THE DRIVER'S DOOR OPEN AND INSTRUCTING FOR MY WIFE TO AVERT HER FACE AND INCH OVER IN SEAT TOWARD DOOR AFTER RELEASING THE SHOULDER HARNESS/SEAT BELT. I WAS ABLE TO GET THE CAR IN PARK AND TURN IGNITION OFF. MY WIFE WAS TRANSPORTED BY AMBULANCE TO ER FOR TREATMENT OF INJURIES. HIGHWAY PATROL OFFICER MADE ACCIDENT REPORT. AUTO WAS TOWED TO PRIVATE REPAIR FACILITY FOR EVALUATION. *NM *NM
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026