2007 Mercury GRAND MARQUIS problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
96 owner complaints analyzed
3 distinct recall campaigns
29,430 mi median reported failure mileage
Scope: 2007 model year. Data snapshot: . 77 complaints include usable failure mileage.
Most common problems
Tires is the most frequently named component, appearing in 14 of 96 complaints (14.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 16 | 16.7% |
| Steering behavior | 7 | 7.3% |
| Fuel system concerns | 5 | 5.2% |
| Transmission and shifting | 4 | 4.2% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Tires | 14 |
| Structure:Body | 12 |
| Vehicle Speed Control | 9 |
| Steering | 8 |
| Structure | 6 |
| Tires:Valve | 6 |
| Air Bags | 5 |
| Engine | 4 |
Tires: 14; Structure:Body: 12; Vehicle Speed Control: 9; Steering: 8; Structure: 6; Tires:Valve: 6; Air Bags: 5; Engine: 4
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 34 |
| 25,000 to 49,999 | 13 |
| 50,000 to 74,999 | 11 |
| 75,000 to 99,999 | 5 |
| 100,000 to 149,999 | 12 |
| 150,000 and above | 2 |
Under 25,000: 34; 25,000 to 49,999: 13; 50,000 to 74,999: 11; 75,000 to 99,999: 5; 100,000 to 149,999: 12; 150,000 and above: 2
Under 25,000 miles has the most reports with usable mileage (34). 19 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2007 | 8 |
| 2008 | 15 |
| 2009 | 11 |
| 2010 | 9 |
| 2011 | 8 |
| 2012 | 7 |
| 2013 | 8 |
| 2014 | 4 |
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 3 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
2007: 8; 2008: 15; 2009: 11; 2010: 9; 2011: 8; 2012: 7; 2013: 8; 2014: 4; 2015: 4; 2016: 5; 2017: 3; 2018: 6; 2019: 2; 2020: 3; 2022: 1; 2024: 1; 2025: 1
Pattern summary
Tires leads the component reports. Braking behavior appears in 16 complaint narratives. Steering behavior appears in 7 complaint narratives. Fuel system concerns appears in 5 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10183356 · 2007-02-23 (February 23, 2007)
TL* THE CONTACT OWNS A 2007 GRAND MARQUIS. WHILE DRIVING 25 MPH THE POWER ADJUSTABLE FOOT PEDAL FAILED AND ALMOST CAUSED A COLLISION. AFTER APPLYING THE BRAKE PEDAL THE ACCELERATOR PEDAL ADJUSTED ITSELF WITHOUT WARNING TO THE SAME LEVEL WHICH CAUSED THE DRIVER TO ENGAGE THE ACCELERATOR PEDAL. THE FORD DEALER MISUNDERSTOOD WHAT THE FAILURE WAS, THEREFORE, DIAGNOSING THE VEHICLE TO BE OPERATING NORMALLY. A DIAGNOSIS WAS PERFORMED BY A SEC OND MECHANIC, AND WHILE DRIVING HE WAS ABLE TO DUPLICATE THE FAILURE. THE FAILURE MILEAGE WAS 180, AN…
Owner-reported narrative. 180 miles reported. Look up ODI 10183356 at NHTSA ↗
Owner report 10189247 · 2007-04-30 (April 30, 2007)
TL* THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHEN THE BRAKE PEDAL WAS DEPRESSED THE ACCELERATOR PEDAL ALSO DEPRESSED. THIS FAILURE CAUSED THE VEHICLE TO BOTH BRAKE AND ACCELERATE SIMULTANEOUSLY. THE CONTACT STATED THAT THE PEDALS WERE TOO CLOSE TOGETHER. THE DEALER AND MANUFACTURER STATED THAT NOTHING COULD BE DONE ABOUT THE FAILURE DUE TO LACK OF COMPLAINTS. THE FAILURE WAS NOTICED WHILE DRIVING 35 MPH. THE CURRENT AND FAILURE MILEAGES WERE 800. *AK
Owner-reported narrative. 800 miles reported. Look up ODI 10189247 at NHTSA ↗
Owner report 10344917 · 2010-07-23 (July 23, 2010)
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH THE POWER STEERING FAILED TO FUNCTION. THE OWNER STATED THAT HE FELT "STIFFNESS" IN THE STEERING WHEEL MAKING THE VEHICLE HARD TO STEER. HE TOOK THE VEHICLE TO A LOCAL REPAIR SHOP AND REPLACED THE POWER STEERING PRESSURE SWITCH, AND ADDED POWER STEERING FLUID. THE REPAIRS HAVE CORRECTED THE FAILURE. THE FAILURE MILEAGE WAS 16,819. THE CURRENT MILEAGE AT THE TIME OF THE COMPLAINT WAS 17,400. UPDATED 10/13/10. *LJ UPDATED 10/19/10…
Owner-reported narrative. 16,819 miles reported. Look up ODI 10344917 at NHTSA ↗
Owner report 10552275 · 2013-11-14 (November 14, 2013)
TL* THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER 13V385000 (STEERING) HAD EXCEEDED A REASONABLE TIME FOR REPAIR. THE DEALER AND THE MANUFACTURER HAD BOTH ADVISED THE CONTACT THAT THE PART NEEDED TO COMPLETE THE RECALL SERVICE WAS ON BACK ORDER UNTIL JANUARY 2014. THE VEHICLE WAS NOT REPAIRED. THE CONTACT HAD NOT EXPERIENCED A FAILURE.
Owner-reported narrative. Look up ODI 10552275 at NHTSA ↗
Owner report 10192848 · 2007-06-10 (June 10, 2007)
2007 MERCURY GRAND MARQUIS AND 2007 FORD CROWN VICTORIA OWNER MANUALS INCORRECTLY STATE THAT THE 8TH CHARACTER OF THE VIN # MUST BE A "2" FOR THE CAR TO HAVE A FLEX FUEL ENGINE CAPABLE OF USING E-85. THIS IS INCORRECT. THE 8TH CHARACTER MUST BE A "V" FOR THE CAR TO HAVE THE FLEX FUEL ENGINE. THIS WILL BE VERY MISLEADING FOR CONSUMERS. THE COVER ON THE FUEL TANK LID SAYS ETHANOL OR UNLEADED GASOLINE ONLY. MOST CONSUMERS WILL NOT KNOW THIS MEANS THEY CAN USE E-85 AS E-85 IS NOT MENTIONED ON THE GAS CAP OR COVER.
Owner-reported narrative. 1 miles reported. Look up ODI 10192848 at NHTSA ↗
Owner report 10247290 · 2008-10-30 (October 30, 2008)
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 70 MPH ON NORMAL ROAD CONDITIONS, THE VEHICLE SUDDENLY STOPPED. THE CONTACT NOTICED THAT THERE WAS NO GASOLINE IN THE FUEL TANK BECAUSE THE FUEL GAUGE DISPLAYED INACCURATE READINGS. THE FAILURE OCCURRED WITHOUT WARNING. THE EMPTY FUEL TANK WAS CONSUMED WITH GASOLINE. THE VEHICLE WAS TAKEN TO THE AUTHORIZED DEALER AND THEY STATED THAT THIS WAS A COMMON ISSUE WITH NO AVAILABLE REMEDY. THE TECHNICIAN RECOMMENDED THAT HE FILL THE FUEL TANK EVERY 200 MILES. THE VEHI…
Owner-reported narrative. 48,700 miles reported. Look up ODI 10247290 at NHTSA ↗
Owner report 10442878 · 2012-01-09 (January 9, 2012)
TL* THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE VEHICLE WOULD NOT ACCELERATE FROM A STOP. THE CONTACT THEN SHIFTED INTO REVERSE AND THE VEHICLE SURGED BACKWARD UNTIL CRASHING INTO A CONCRETE POST. THE VEHICLE WAS TOWED HOME. THE FAILURE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 26,093.
Owner-reported narrative. 26,093 miles reported. Look up ODI 10442878 at NHTSA ↗
Owner report 10448798 · 2012-02-21 (February 21, 2012)
TL* THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE VEHICLE SURGED FORWARD UNTIL HEAVY PRESSURE WAS APPLIED TO THE ACCELERATOR PEDAL. THE VEHICLE WAS TAKEN DIRECTLY TO AN AUTHORIZED DEALER AND THE TRANSMISSION LINKAGE WAS REPAIRED. APPROXIMATELY THREE YEARS LATER, THE CONTACT WAS INFORMED THAT THE MASTER CYLINDER WAS LEAKING DURING A ROUTINE INSPECTION. THE INSPECTION WAS BEING PERFORMED BY AN AUTHORIZED DEALER. THE DEALER REPLACED THE MASTER CYLINDER. APPROXIMATELY TWO YEARS AFTER THE MASTER CYL…
Owner-reported narrative. 20,000 miles reported. Look up ODI 10448798 at NHTSA ↗