There are 1 owner-reported air bags & restraints complaints for the 2011 Mercury Grand Marquisin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE AIR BAG LIGHT REMAINS ON ALL THE TIME. MY MECHANIC SAYS THAT CAR'S COMPUTER IS GENERATING A CODE INDICATING A PROBLEM WITH A SENSOR IN DRIVER'S SIDE SEAT BELT. HE SAYS THAT THE ENTIRE SEAT BELT ASSEMBLY MUST BE REPLACED AT A COST OF $500. THE CAR ONLY HAS 70,000 MILES ON IT. SINCE THIS IS A SAFETY ISSUE AND APPEARS FROM THE MANY COMPLAINTS YOU'VE RECEIVED TO BE A COMMON PROBLEM WITH 2005 GRAND MARQUIS'S, I URGE DOT TO ISSUE A RECALL TO REQUIRE THE MANUFACTURER TO PAY FOR THE NECESSARY REPAIRS.
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