VEHICLE ACCELERATED ON ITS OWN WHILE STARTING THE VEHICLE. TT
1989 Mercury Grand Marquis
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1989 Mercury Grand Marquis do not stand out strongly from the model-year median of 78.
About this comparison →How this year compares
Owner complaints by model year
Compare all Grand Marquis years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 4 of 58 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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.
- Electrical System. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Vehicle Speed Control. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
58 reportsCONSUMER CAR WAS PARKED IN DRIVEWAY AND CAUGHT ON FIRE . TT
CAR SPONTANEOUSLY CAUGHT FIRE WHEN KEY WAS TURNED IN IGNITION SWITCH. *SD
CONSUMER WAS DRIVING, STARTED TO PARK AND CAR ACCELERATED OUT OF CONTROL. *AK
WHEN SHIFTING FROM REVERSE TO DRIVE VEHICLE ACCELERATED WITH GREAT SPEED TT
AUTOMATIC TRANSMISSION FAILED AT 46K MILES, IT DOES NOT ENGAGED IN GEAR. TT
ABS BRAKE SYSTEM CAUSED MASTER CYLINDER AND PADS TO BURN. *TW
BRAKE LINE CRACKED, CAUSING LOSS OF FLUID. TT
Official recalls
196V071000 · Electrical System:ignition
Apr 25, 1996
THE IGNITION SWITCH COULD EXPERIENCE AN INTERNAL SHORT CIRCUIT.
Consequence & remedy
Consequence: THIS CONDITION COULD CAUSE OVERHEATING, SMOKE, AND POSSIBLY FIRE IN THE STEERING COLUMN AREA OF THE VEHICLE.
Remedy: DEALERS WILL REPLACE THE IGNITION SWITCH.
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
1PE91125 · Brake Line Punctures
Opened Sep 11, 1991 · Closed Jan 15, 1992
Status: closed (inferred from source dates) · Service Brakes, Hydraulic
There is no summary currently available
Illustration