TL* THE CONTACT OWNS A 2009 MERCURY GRAND MARQUIS. HE APPLIED PRESSURE TO THE BRAKE PEDAL WHEN ATTEMPTING TO PARK THE VEHICLE, BUT IT LURCHED FORWARD. THE VEHICLE CRASHED THROUGH THE GARAGE WALLS INTO THE ADJACENT ROOM. THERE WAS NO PERSONAL INJURY. THERE WERE DAMAGES TO THE WALLS AND FURNITURE WHICH OCCUPIED THE ADJACENT ROOM. THE FRONT END OF THE VEHICLE SUSTAINED MODERATE DAMAGES. THE VEH…
2009 Mercury Grand Marquis cruise control problems
severe 3 complaints filed with NHTSA · avg repair $600
Complaints
3
Recalls
0
Crashes
1
Avg fix
$600
What owners are reporting 3 most recent
TL* THE CONTACT OWNS A 2009 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE THE BRAKES WAS ENGAGED THERE WAS AN SUDDEN INCREASE ON ENGINE RPMS. THE CONTACT MENTIONED THAT THE REAR WHEELS STARTED TO SPIN AND IN ORDER TO STOP IT HE HAD TO SHIFT INTO NEUTRAL. THE VEHICLE WAS TAKEN TO THE DEALER WHO WAS UNABLE TO DUPLICATE THE FAILURE. THE FAILURE MILEAGE AND CURRENT MILEAGE WAS 33,000.
TL* THE CONTACT OWNS A 2009 MERCURY GRAND MARQUIS. WHILE DRIVING 30 MPH, THE VEHICLE FAILED TO RESPOND WHEN THE BRAKE PEDAL WAS DEPRESSED AND THE VEHICLE INDEPENDENTLY ACCELERATED. THE CONTACT WAS ABLE TO STOP THE VEHICLE BY SWITCHING TO THE PARK POSITION. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED, BUT THE CONTACT WAS UNAWARE OF THE DIAGNOSIS. THE VEHICLE WAS REPAIRED, BUT THE FAILU…
Common questions
How serious is the cruise control problem on the 2009 Mercury Grand Marquis?
It's a meaningful issue. 3 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $600.
At what mileage does the cruise control typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $600 for cruise control repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to cruise control?
No active recalls currently cover cruise control issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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