There are 3 owner-reported body & structure complaints for the 2010 Mercury Grand Marquisin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2010 MERCURY GRAND MARQUIS LS. THE CONTACT STATED THAT WHENEVER IT WOULD RAIN, WATER WOULD ENTER THE VEHICLE THROUGH THE REAR DRIVER SIDE DOOR. THE DOOR WAS SECURED BUT THERE WAS A SMALL ACCUMULATION OF WATER IN THE REAR FLOORBOARD AREA. IN ADDITION, ALL FOUR DOORS WERE IMPROPERLY POSITIONED DURING INSTALLATION AND DID NOT TIGHTLY CLOSE. THE FAILURE WAS NOT DIAGNOSED. THE CONTACT WAS IN THE PROCESS OF NOTIFYING THE DEALER OF THE FAILURE. THE FAILURE MILEAGE WAS 4,000.
THE BODY SIDE MOLDINGS ON MY VEHICLE COMES LOOSE, AND COULD COME OFF AND BECOME AIRBORNE, DAMAGING OTHER VEHICLES. THIS DEFECT HAS BEEN NOTICED ON OTHER 2010 MERCURY MARQUIS. THE DEALER HAS BEEN GREAT, AND IS ORDERING A COMPLETE SET. THEY CANNOT TELL ME IF NEW ONES WILL HAVE THE DEFECT OR NOT? I HAVE NO COMPLAINT WITH THE DEALER. I WOULD LIKE TO KNOW IF FORD HAS CORRECTED THE PROBLEM WITH DELAMINATION IN THE NEW PARTS. *TR
TL*THE CONTACT OWNS A 2010 GRAND MARQUIS. THE VEHICLE WAS PURCHASED BRAND NEW ON OCTOBER 13, 2009. WHILE THE CONTACT WAS REMOVING SNOW FROM THE HOOD WITH A BROOM, SHE NOTICED THAT THE ROOF HAD COLLAPSED. THE DEALER ADVISED THE CONTACT TO INFORM THE HOME OWNERS INSURANCE COMPANY THAT A TREE FELL ON TOP OF THE ROOF. A REPORT WAS FILED WITH THE MANUFACTURER WHO ADVISED THE CONTACT TO RETURN THE VEHICLE TO THE DEALER. THE DEALER REMOVED THE HEAD LINERS, BROKE SEVERAL CLIPS AND SAID THAT THE VEHICLE ASSEMBLY PRODUCTION WAS NOT A CONCERN. THE FAILURE MILEAGE WAS 2,410 AND THE CURRENT MILEAGE WAS 2,524.
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 25, 2026