← New search

2006 Mercury Grand Marquis

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2006 Mercury Grand Marquis do not stand out strongly from the model-year median of 78.

About this comparison →

When problems were reported

Mileage at the reported incident

117 reports with mileage · 26 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Air Bags. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seat Belts. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

16 crash reports2 fire reports6 injury reports

Vehicle Speed Control complaints

37 reports
Clear category filter
9,000 miles · Jul 5, 2007
Vehicle Speed Control

TL*THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE VEHICLE ACCELERATES INTERMITTENTLY. WHEN SWITCHING GEARS FROM REVERSE TO DRIVE, THE VEHICLE JOLTS. WHILE AT A STOP LIGHT, THE CONTACT HAD TO USE MAXIMUM PRESSURE IN ORDER TO APPLY THE BRAKES. THE ENGINE TACHOMETER INDICATED THAT THE VEHICLE WAS AT …

Read full complaint

TL*THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE VEHICLE ACCELERATES INTERMITTENTLY. WHEN SWITCHING GEARS FROM REVERSE TO DRIVE, THE VEHICLE JOLTS. WHILE AT A STOP LIGHT, THE CONTACT HAD TO USE MAXIMUM PRESSURE IN ORDER TO APPLY THE BRAKES. THE ENGINE TACHOMETER INDICATED THAT THE VEHICLE WAS AT 2000 RPM. THE CONTACT STATED THAT THE TACHOMETER IS NORMALLY AT 550 RPM. THE CURRENT AND FAILURE MILEAGES WERE 9,000.

NHTSA ODI #10195394

Mileage unknown · Jun 28, 2007
Vehicle Speed Control

WHEN I STARTED THE ENGINE EACH MORNING ON THE 2006 MERCURY GRAND MARQUIS LS IT REVVED TO 2000 RPMS FOR 5 OR 6 SECONDS, THEN DOWN TO 1000 RPMS FOR ABOUT 2 SECONDS, THEN DOWN TO NORMAL. IT SEEMED TO ME IT WAS GOING TO DAMAGE THE ENGINE REVVING SO HIGH WHEN THE ENGINE WAS COLD AND VERY LITTLE OIL IN THE UPPER PORTION. WHAT COULD…

Read full complaint

WHEN I STARTED THE ENGINE EACH MORNING ON THE 2006 MERCURY GRAND MARQUIS LS IT REVVED TO 2000 RPMS FOR 5 OR 6 SECONDS, THEN DOWN TO 1000 RPMS FOR ABOUT 2 SECONDS, THEN DOWN TO NORMAL. IT SEEMED TO ME IT WAS GOING TO DAMAGE THE ENGINE REVVING SO HIGH WHEN THE ENGINE WAS COLD AND VERY LITTLE OIL IN THE UPPER PORTION. WHAT COULD BE DONE ABOUT LOWERING THE STARTING TO REV. *AK

NHTSA ODI #10194842

3,200 miles · Nov 3, 2006
Vehicle Speed Control

DT*: THE CONTACT STATED WHEN ENTERING AN OFF RAMP AT 30 MPH AND BRAKING INTO THE TURN, THE VEHICLE BEGAN TO ACCELERATE WITHOUT WARNING. EXTREME PRESSURE TO THE BRAKE PEDAL WAS APPLIED TO SLOW AND FINALLY STOP THE VEHICLE. A MOMENT AFTER STOPPING THE VEHICLE, THE ENGINE SLOWED AND BEGAN TO OPERATE NORMALLY. WHEN TAKEN TO THE S…

Read full complaint

DT*: THE CONTACT STATED WHEN ENTERING AN OFF RAMP AT 30 MPH AND BRAKING INTO THE TURN, THE VEHICLE BEGAN TO ACCELERATE WITHOUT WARNING. EXTREME PRESSURE TO THE BRAKE PEDAL WAS APPLIED TO SLOW AND FINALLY STOP THE VEHICLE. A MOMENT AFTER STOPPING THE VEHICLE, THE ENGINE SLOWED AND BEGAN TO OPERATE NORMALLY. WHEN TAKEN TO THE SERVICE DEALER, THE PROBLEM COULD NOT BE RECREATED OR IDENTIFIED. THE MANUFACTURER WAS NOTIFIED. UPDATED 11/30/2006 - *NM

NHTSA ODI #10172520

721 miles · Oct 2, 2006
Service Brakes, HydraulicVehicle Speed Control

DT*: THE CONTACT STATED WHILE NORMALLY APPLYING THE BRAKES, THE VEHICLE LURCHED FORWARD SUDDENLY, REQUIRING EXTREME PRESSURE ON THE BRAKE PEDAL TO STOP THE VEHICLE. IT WAS TAKEN TO A SERVICE DEALER, WHO WAS UNABLE TO DETERMINE THE PROBLEM. UPDATED 10/18/2006 - PRIOR TO THE ABOVE INCIDENT THE VEHICLE LURCHED FORWARD WHILE APPRO…

Read full complaint

DT*: THE CONTACT STATED WHILE NORMALLY APPLYING THE BRAKES, THE VEHICLE LURCHED FORWARD SUDDENLY, REQUIRING EXTREME PRESSURE ON THE BRAKE PEDAL TO STOP THE VEHICLE. IT WAS TAKEN TO A SERVICE DEALER, WHO WAS UNABLE TO DETERMINE THE PROBLEM. UPDATED 10/18/2006 - PRIOR TO THE ABOVE INCIDENT THE VEHICLE LURCHED FORWARD WHILE APPROACHING A STOPLIGHT. THE MORE PRESSURE THE CONSUMER APPLIED TO THE BRAKE PEDAL THE MORE THE ENGINE RACED. THE VEHICLE CONTINUED TO TRAVEL FORWARD THROUGH THE CROSSWALK AND INTO THE STREET. LUCKILY NO ONE WAS IN THE CROSSWALK AND NO CARS WERE COMING THROUGH THE INTERSECTION. THE CONSUMER HAS TO TURN THE VEHICLE OFF TO GET IT TO STOP. *NM

NHTSA ODI #10169721

1,900 miles · May 23, 2006
Service Brakes, HydraulicVehicle Speed Control

DT*: THE CONTACT STATED WHILE DEPRESSING THE BRAKE PEDAL, THE DRIVER'S FOOT MADE CONTACT WITH BOTH ACCELERATOR PEDAL AND BRAKE PEDAL AT THE SAME TIME. THIS DUAL CONTACT RESULTED IN UNWANTED ACCELERATION ON FIVE OCCASIONS. THE VEHICLE WAS INSPECTED BY THE DEALER WHO DETERMINED THE BRAKE AND ACCELERATOR WERE OPERATING NORMALLY.…

Read full complaint

DT*: THE CONTACT STATED WHILE DEPRESSING THE BRAKE PEDAL, THE DRIVER'S FOOT MADE CONTACT WITH BOTH ACCELERATOR PEDAL AND BRAKE PEDAL AT THE SAME TIME. THIS DUAL CONTACT RESULTED IN UNWANTED ACCELERATION ON FIVE OCCASIONS. THE VEHICLE WAS INSPECTED BY THE DEALER WHO DETERMINED THE BRAKE AND ACCELERATOR WERE OPERATING NORMALLY.

NHTSA ODI #10158112

713 miles · May 4, 2006
Vehicle Speed ControlCrashInjury

DT*: THE CONTACT STATED THERE WERE THREE SEPARATE PROBLEMS WITH THE VEHICLE. THE FIRST PROBLEM OCCURRED WHEN THE AUTOMATIC PEDAL ADJUSTER WAS BEING USED THE ENGINE REVVED. THE SECOND OCCURRED WHILE DRIVING, THE ACCELERATOR PEDAL WAS DIFFICULT TO DEPRESS, AFTER SEVERAL MILES OF DRIVING IN THIS CONDITION, THE CONTACT PRESSED AND …

Read full complaint

DT*: THE CONTACT STATED THERE WERE THREE SEPARATE PROBLEMS WITH THE VEHICLE. THE FIRST PROBLEM OCCURRED WHEN THE AUTOMATIC PEDAL ADJUSTER WAS BEING USED THE ENGINE REVVED. THE SECOND OCCURRED WHILE DRIVING, THE ACCELERATOR PEDAL WAS DIFFICULT TO DEPRESS, AFTER SEVERAL MILES OF DRIVING IN THIS CONDITION, THE CONTACT PRESSED AND RELEASED THE PEDAL AND IT SUDDENLY RESUMED NORMAL OPERATION. WHILE IN STOP AND GO TRAFFIC DRIVING AT 20 MPH THE VEHICLE SURGED FORWARD, WHILE THE BRAKES WERE APPLIED AND REAR ENDED ANOTHER VEHICLE. SEATBELTS WERE IN USE; NO INJURIES WERE SUSTAINED TO THE FOUR OCCUPANTS OF THE CONTACTS VEHICLE, HOWEVER THE DRIVER OF THE OTHER VEHICLE SUSTAINED INJURIES. THE POLICE WERE ON SCENE BUT NO REPORT WAS FILED. THE VEHICLE WAS RETURNED TO THE RENTAL AGENCY AND ANOTHER MODEL WAS ISSUED.

NHTSA ODI #10156813

440 miles · May 3, 2006
Service Brakes, HydraulicVehicle Speed Control

DT*: THE CONTACT STATED WHILE ATTEMPTING TO APPLY BRAKE PRESSURE AT LOW SPEEDS THE BRAKES FAILED, CAUSING THE VEHICLE TO ACCELERATE. THE DEALERSHIP WAS UNABLE TO DUPLICATE THE PROBLEM. UPDATED 05/30/06. *AK

NHTSA ODI #10156709

Official recalls

2

14V704000 · Steering:rack And Pinion:pinion Shaft

Nov 5, 2014

Ford Motor Company (Ford) is recalling certain model year 2005-2011 Ford Crown Victoria, 2005-2011 Mercury Grand Marquis vehicles manufactured March 23, 2004, to August 30, 2011, and 2005-2011 Lincoln Town Car vehicles manufactured March 8, 2004, to August 30, 2011, and on which the upper intermediate shaft was serviced during the course of safety recall 13V-385. The prior repairs may not have been correctly performed.

Consequence & remedy

Consequence: 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 crash.

Remedy: Ford will notify the owners of vehicles whose repair records reflect that the upper intermediate steering shaft was repaired during the course of the prior recall 13V-385. Dealers will inspect and replace the upper immediate shaft if necessary free of charge. The recall began November 17, 2014. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 14S25.

13V385000 · Steering

Aug 29, 2013

Ford is recalling certain model year 2005-2011 Ford Crown Victoria (including Crown Victoria Police Interceptors), Mercury Grand Marquis, and Lincoln Town Car vehicles. The affected vehicles are currently registered or were originally sold in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, and Wisconsin. Severe corrosion can seize the lower intermediate shaft which may cause the upper intermediate shaft to collapse and the steering column lower bearing to separate.

Consequence & remedy

Consequence: If the lower bearing separates, the vehicle may experience a loss of steering, increasing the risk of a crash.

Remedy: Ford will notify owners and dealers will replace the lower intermediate shaft, free of charge. The upper intermediate shaft and steering column lower bearing will be inspected to identify any damage that may have occurred as a result of lower intermediate shaft corrosion, and repaired or replaced as necessary. If the steering column lower bearing has separated, a retainer clip will be installed. The recall began on October 23, 2013. Owners may contact Ford at 1-866-436-7332. Ford's recall number is 13S08.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE14021 · Steering Column Shaft Obstruction

Opened Jul 7, 2014 · Closed Nov 21, 2014

Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System; Steering

On July 7, 2014 the Office of Defects Investigation (ODI) opened a preliminary evaluation based on five complaints (VOQs) alleging incidents ofinterference between dislodged exhaust manifold heat shields and the lower steering shaft/knuckle, including one alleging the interference resulted in a crash on a highway entrance ramp. Since opening this investigation, ODI has received four additional owner complaints.One indicated that the shield was removed before binding could occur.The other three occurred at low speed and produced some momentary steering binding that was overcome by the driver when additional steering effort was applied.Once the shield was repaired or removed, the steering returned to normal.The single incident ODI identified as a possible crash (VOQ No. 10578715) related to this condition could not be verified and the description of the crash in the complaint was not supported by the police accident report.No additional crash allegations have been identified related to the alleged defect condition.Information provided by Ford in its September 10, 2014 response to ODI's information request letter identified 10 additional incidents resulting in a low rate of 1.6 incidents per 100,000 vehicles sold in vehicles ranging from 7 to 11 years in service.Six of these incidents were reported by a single source, a state police fleet that corrected the problems in March 2011 and has not reported any additional failures since.Ford also reported 5 warranty claims, but these incidents occurred at very low mileages and appeared to be caused by loose or missing heat shield attachment hardware rather than the corrosion condition that was the cause of the more recent incidents and the focus of this investigation.This investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The Agency will continue to monitor complaints and other information relating to the alleged defect in the subject vehicles and take further action in the future if warranted.The following VOQs are associated with this investigation:10643753, 10615584, 10611362, 10610451, 10578715, 10479681, 10471833, 10317493.

Additional source detail variants (2)

Engine And Engine Cooling:exhaust System

On July 7, 2014 the Office of Defects Investigation (ODI) opened a preliminary evaluation based on five complaints (VOQs) alleging incidents ofinterference between dislodged exhaust manifold heat shields and the lower steering shaft/knuckle, including one alleging the interference resulted in a crash on a highway entrance ramp. Since opening this investigation, ODI has received four additional owner complaints.One indicated that the shield was removed before binding could occur.The other three occurred at low speed and produced some momentary steering binding that was overcome by the driver when additional steering effort was applied.Once the shield was repaired or removed, the steering returned to normal.The single incident ODI identified as a possible crash (VOQ No. 10578715) related to this condition could not be verified and the description of the crash in the complaint was not supported by the police accident report.No additional crash allegations have been identified related to the alleged defect condition.Information provided by Ford in its September 10, 2014 response to ODI's information request letter identified 10 additional incidents resulting in a low rate of 1.6 incidents per 100,000 vehicles sold in vehicles ranging from 7 to 11 years in service.Six of these incidents were reported by a single source, a state police fleet that corrected the problems in March 2011 and has not reported any additional failures since.Ford also reported 5 warranty claims, but these incidents occurred at very low mileages and appeared to be caused by loose or missing heat shield attachment hardware rather than the corrosion condition that was the cause of the more recent incidents and the focus of this investigation.This investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The Agency will continue to monitor complaints and other information relating to the alleged defect in the subject vehicles and take further action in the future if warranted.The following VOQs are associated with this investigation:10643753, 10615584, 10611362, 10610451, 10578715, 10479681, 10471833, 10317493.

Steering

On July 7, 2014 the Office of Defects Investigation (ODI) opened a preliminary evaluation based on five complaints (VOQs) alleging incidents ofinterference between dislodged exhaust manifold heat shields and the lower steering shaft/knuckle, including one alleging the interference resulted in a crash on a highway entrance ramp. Since opening this investigation, ODI has received four additional owner complaints.One indicated that the shield was removed before binding could occur.The other three occurred at low speed and produced some momentary steering binding that was overcome by the driver when additional steering effort was applied.Once the shield was repaired or removed, the steering returned to normal.The single incident ODI identified as a possible crash (VOQ No. 10578715) related to this condition could not be verified and the description of the crash in the complaint was not supported by the police accident report.No additional crash allegations have been identified related to the alleged defect condition.Information provided by Ford in its September 10, 2014 response to ODI's information request letter identified 10 additional incidents resulting in a low rate of 1.6 incidents per 100,000 vehicles sold in vehicles ranging from 7 to 11 years in service.Six of these incidents were reported by a single source, a state police fleet that corrected the problems in March 2011 and has not reported any additional failures since.Ford also reported 5 warranty claims, but these incidents occurred at very low mileages and appeared to be caused by loose or missing heat shield attachment hardware rather than the corrosion condition that was the cause of the more recent incidents and the focus of this investigation.This investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The Agency will continue to monitor complaints and other information relating to the alleged defect in the subject vehicles and take further action in the future if warranted.The following VOQs are associated with this investigation:10643753, 10615584, 10611362, 10610451, 10578715, 10479681, 10471833, 10317493.