There are 7 stored owner reports matching the powertrain & transmission leading-label group for the 2000 Mercury Grand Marquis in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 7 of 7 matching reports.
Open the full vehicle complaint log (all categories)TRANSMISSION MALFUNCTION, VEHICLE HARD TO SHIFT. *BF THE VEHICLE WAS IN PARK WHEN THE CONSUMER WAS EXITING THE VEHICLE. THE VEHICLE BEGAN TO ROLL FORWARD SUDDENLY KNOCKING THE CONSUMER TO THE GROUND. THE CONSUMER WAS HOLDING ONTO THE INSIDE DOOR HANDLE AND WAS DRAGGED ON HIS STOMACH ABOUT 50 FEET. THE CONSUMER DISLOCATED HIS SHOULDER AND SEPARATED MUSCLE AND TENDON AS WELL AS NERVES FROM THE ROTATOR CUFF. THE DRAGGING ALSO INFLICTED NUMEROUS CUT ON THE CONSUMERS STOMACH AND LEGS. *NM
THE VEHICLE'S TRANSMISSION FAILED. *NM THE CONSUMER ATTEMPTED TO ENTER THE DRIVERS SIDE DOOR WHEN THE VEHICLE STARTED TO MOVE FORWARD DRAGGING THE CONSUMER 50 FEET COMING TO A STOP AS IT HIT THE CURB. THE CONSUMER SUFFERED NUMEROUS INJURIES. THE VEHICLE SHIFT LEVER WAS STILL IN PARK. *TC *JB
I OWN A 2000 GRAND MARQUIS WITH 41,000 MILES AND HAD TO REPLACE THE DRIVE HAFT. I WAS GETTING NOTICABLE VIBRATION ABOVE 65. DRIVE SHAFT WAS BENT. VIBRATION IS GONE BUT THERE IS SOME LOW LEVEL NOISE FROM THE REAR END. MECHANIC SAYS IT IS THE GEARS.*AK I ALSO OWN A 1999 GRAND MARQUIS WITH THE SAME OPTIONAL EQUIPMENT AS THE 2000. THE 1999 HAS 71,000 MILES AND RUNS SMOOTH AND QUIET.
CONSUMER HEARS HUMMING IN LEFT FRONT DOOR AREA WHILE DRIVING, DEALER CAN NOT FIND PROBLEM, CONSUMER REMOVED AND REPLACED THE PAN GASKET FLUID AND DRAINED AND FLUSHED THE TORQUE CONVERTER, THIS SEEMED TO SOLVE THE PROBLEM. *SLC
WHILE ENTERING ON TO HIGHWAY AND INCREASING SPEED CAR STALLS AND LOOSES FORCE. WHILE IN PARK CAR JUMPS INTO GEARS, AND WHEN CAR HAS BEEN OFF AND GOES FROM PARKING TO REVERSE CAR JOLTS FORWARD. VEHICLE HAS BEEN IN REPAIR THREE TIMES SINCE PURCHASED FOR THE SAME COMPLAINT AND PROBLEM. DEALERS HAS NOT ATTEMPTED TO RESOLVE PROBLEM IN VEHICLE.*AK
AFTER PUTTING THE VEHICLE IN PARK AND GETTING OUT OF THE VEHICLE, WITHOUT ANY INDICATION, THE VEHICLE SLIPPED INTO REVERSE. THIS CAUSED THE CONSUMER TO LOSE HER BALANCE AND THE VEHICLE ROLLED OVER HER LEG. *JB PH
UPON TURNING IGNITION TO START VEHICLE, SWITCHING GEAR FROM PARK TO REVERSE AND ACCELERATING VEHICLE MAKES A LOUD NOISE, CAUSE UNKNOWN. PLEASE PROVIDE ANY FURTHER INFORMATION.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.