Mercury Grand Marquis problems
0 safety recalls. 24 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Top trouble spots 3 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
MY 2010 MERCURY GRAND MARQUIS HAS A DEFECTIVE THROTTLE BODY, IT LEFT ME TERRIFIED AND STRANDED ON I-95 SOUTH IN THE CENTER LANE OF A 70 MPH 3 LANE INTERSTATE. THE ENGINE ALL OF A SUDDEN WENT TO DEAD IDLE, GAS PEDAL WAS INOPERATIVE, I STILL HAD STEERING AND BRAKES BUT DIDN'T HAVE…
TL*THE CONTACT OWNS A 2010 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 20 MPH THE CHECK ENGINE LIGHT ILLUMINATED ON THE DASHBOARD. ONCE THE VEHICLE WAS STOPPED IT BEGAN TO SHAKE AND LUNGE FORWARD. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE HE WAS INFORMED…
ON 11/14/18 I RECEIVED A "REGIONAL PROGRAM 13R01" LETTER CONCERNING MY VEHICLE. IT INDICATES "IN STATES WHERE HEAVY ROAD SALT IS USED, SEVERE CORROSION OF THE JOINTS ON THE LOWER INTERMEDIATE STEERING SHAFT CAN RESULT IN A STEERING COLUMN SEPARATION, LEADING TO A LOSS OF…
the lower bearing separates, the vehicle may experience a loss of steering, increasing the risk of a crash. Improper servicing of the upper intermediate shaft could cause the shaft to separate, which can then result in a loss of steering control, and increasing the risk of a…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2010 Mercury Grand Marquis reliable?
Mostly yes. With a reliability score of 8.4 out of 10 based on 24 owner complaints filed with NHTSA, the 2010 Mercury Grand Marquis is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
What's the most common problem on the 2010 Mercury Grand Marquis?
Based on NHTSA records, the most-reported issue is steering, with 5 complaints filed. Average repair cost runs about $700 at an independent shop.
What's the most expensive thing that goes wrong?
The steering is one of the costlier repair items. Average repair cost runs about $700 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Mercury Grand Marquis has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2010 Mercury Grand Marquis?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 24 complaints on file and the costliest repair averaging $700, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.