There are 1 owner-reported suspension complaints for the 2008 Mercury Grand Marquisin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
LOUD BANGING NOISE COMING FROM THE RIGHT REAR SUSPENSION AREA WHEN GOING OVER SPEED BUMPS AND MAKING RIGHT HAND TURNS. I HAVE HAD THE CAR BACK TO THE DEALERSHIP 13 TIMES AND THEY HAVE TOLD ME NOT TO BRING IT BACK, THAT I NEED TO LEARN TO LIVE WITH IT. *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.
Data synced from NHTSA on Apr 26, 2026