There are 2 stored owner reports matching the suspension leading-label group for the 2009 Mercury Grand Marquis in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2009 MERCURY GRAND MARQUIS. WHILE DRIVING AND EXITING OFF THE RAMP THE VEHICLE DROVE OVER A BUMP AND THE REAR OF THE VEHICLE ELEVATED HIGHLY WITHOUT WARNING. THE VEHICLE WAS DRIVEN TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS NOT DIAGNOSED. THE DEALER REPLACED THE AIR COMPRESSOR; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 65,908. UPDATED 03/02/17*LJ *CN
MERCURY GRAND MARQUIS AIR SUSPENSION IS TERRIBLE.(2009&2010) WHEN GOING OVER A BUMP THE CAR LIKE BOTTOMS OUT WITH A LOUD BANG. CAR SWAYS A LITTLE MUST HOLD ONTO THE STEERING WHEEL. COULD BE A SAFETY PROBLEM??? *TR
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.