"How reliable is the 2007 Mercury Grand Marquis?"

"Based on 111 NHTSA complaints, the 2007 Mercury Grand Marquis has a median complaint mileage of 29430 miles. The most common issue is TIRES."

"What are common problems with the 2007 Mercury Grand Marquis?"

"The most frequently reported component in NHTSA complaints for the 2007 Mercury Grand Marquis is TIRES, accounting for a significant portion of the 111 total complaints filed."

2007 Mercury Grand Marquis: Reliability Data

Source: NHTSA — 111 complaints

111

Total Complaints

29,430mi

Median Mileage

TIRES

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

14,678 25th Percentile

29,430 Median Mileage

76,090 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

TIRES

STRUCTURE:BODY

VEHICLE SPEED CONTROL

STEERING

STRUCTURE

TIRES:VALVE

AIR BAGS

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

ENGINE

WHEELS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL* - THE CONTACT STATED THAT WHILE DRIVING HER 2007 MERCURY GRAND MARQUIS (FAILURE MILEAGE: 1200) AT 70 MPH THE VEHICLE BEGAN TO VIBRATE UNCONTROLLABLY FOR APPROXIMATELY TEN (10) MINUTES. THE VEHICLE HAD VIBRATED ON ANOTHER OCCASION, BUT NOT AS VIOLENTLY. THE VEHICLE WAS TAKEN TO THE DEALER, BU..."

"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..."

"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 STATE..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28