FaultScore

2005 Mercury Grand Marquis acceleration problems

39 of the 634 complaints about the 2005 Mercury Grand Marquis are about the throttle and cruise control — 6% of everything reported for this model year. Half of the failures with a mileage on record happened before 17,908 miles.

F

39

Complaints

13

Crashes

3

Fires

7

Injuries

Exactly what failed

Vehicle Speed Control 34 87.2%
Accelerator Pedal 3 7.7%
Cruise Control 2 5.1%

Acceleration & Cruise Control across every Mercury Grand Marquis year

1988 14 3.4%
1989 16 3.8%
1991 12 2.9%
1992 32 7.7%
1993 19 4.6%
1994 33 7.9%
1995 23 5.5%
1996 19 4.6%
1997 24 5.8%
1999 12 2.9%
2000 13 3.1%
2001 27 6.5%
2002 17 4.1%
2003 27 6.5%
2004 23 5.5%
2005 39 9.4%
2006 38 9.1%
2007 13 3.1%
2008 15 3.6%

What owners said

Filed with NHTSA, in their own words.

San Antonio, TX Fire 1 injured

VEHICLE SPEED CONTROL

This is a serious safety hazard that could result in death or injury. If I hadn’t escaped in time, I would have been killed. I am urging the NHTSA to investigate this defect and take immediate action to remove these vehicles from the road. Others may not be as lucky. This issue is life-threatening, especially because the fire started while the vehicle was in motion. These vehicles must be recalled and removed from use before more people are injured or killed.

NHTSA complaint #11650045 — an unverified report by a vehicle owner.

San Antonio, TX Fire 1 injured

VEHICLE SPEED CONTROL

On [XXX] I was driving this recently purchased Grand marquis . On [XXX] here in San Antonio around ten at night I hit the brakes and something under the hood compartment blew up and it cocked the car . I was trapped inside and when I finally was able to get my seatbelt released I had to break the window with my head . The previous week I reached out to ford and they told me they would address the issue and that they would call me back and that was to no avail. i reached out to ford and at first I was told I would be helped and then a man came on the phone yelling that my vehicle . I need help with resol this issue . My car is totaled and I’m hurting and it’s because of a car with recalls that are a fire haz and dangerous to be put on the road Thank you and God Bless . was not under any recalls The car had been parked for over ten years beca when the orig owner bought it it had issues with the cruise control and the brakes and the engine and the lights . I investigated about and hazards the car was demonstrating and upon further consideration my instinct told me this car was defected and was a big problem waiting to happen INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #11624137 — an unverified report by a vehicle owner.

Staten Island, NY

VEHICLE SPEED CONTROL

I was driving I pressed the cruise control to set it but the vehicle kept accelerating and as I was pressing on the brake it wouldn’t disengage it kept accelerating I kept pressing the brake frantically and THANK GOD it disengaged.. I never touched the cruise control again

NHTSA complaint #11553988 — an unverified report by a vehicle owner.

at 79,000 miles Greenville, NC

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. WHILE DRIVING 45 MPH, THE CONTACT ATTEMPTED TO BRAKE, BUT THE VEHICLE ACCELERATED. THE CONTACT SHIFTED THE TRANSMISSION INTO NEUTRAL AND THE VEHICLE STOPPED. THE ENGINE CONTINUED TO REV FOR AWHILE AND THEN THE RPMS SLOWED DOWN TO A NORMAL LEVEL. THE CONTACT STATED THAT THE SYMPTOMS DISAPPEARED ON THEIR OWN AND THE VEHICLE OPERATED WITHOUT ANY FAILURES SINCE. THE MANUFACTURER STATED THAT THERE WAS NO RECALL FOR THE FAILURE. THE FAILURE MILEAGE WAS 79,000. *BF

NHTSA complaint #11210796 — an unverified report by a vehicle owner.

at 24,500 miles West Covina, CA

VEHICLE SPEED CONTROL

THE VEHICLE WILL NOT DISENGAGE CRUISE WHEN APPLYING THE BRAKES AT 50 MPH ON THE HIGHWAY. IN FACT IT WILL CONTINUE TO ACCELERATE UNTIL I HIT THE BRAKES HARD. I HAVE RECENTLY DISCONNECTED THE SYSTEM, WHAT A SHAME. I AM THE 2ND OWNER. I PURCHASED THIS VEHICLE IN SEPT 2017 WITH ONLY 20,109 MILES.

NHTSA complaint #11081486 — an unverified report by a vehicle owner.

at 35,000 miles Elgin, IL

VEHICLE SPEED CONTROL

THIS HAS BEEN A DANGEROUSLY RECURRING ENGINE ACCELERATING PROBLEM WHILE AT REST OR MOVING/COMING TO A STOP ON STREETS OR HIGHWAYS BUT ALWAYS WHILE ATTEMPTING TO BRAKE OR HOLD IN PLACE. THE BRAKES WON'T STOP IT, ONLY TURNING OFF THE IGNITION AND RESTARTING WORKS. BARELY AVOIDED SEVERAL ACCIDENTS, SO FAR. MY FORD DEALER HAS INSPECTED THE SYSTEMS AND MY FOOT PLACEMENTS WITH OUT FINDING A PROBLEM OR A SOLUTION. THERE ARE OVER 30 COMPLAINTS REGARDING THIS PROBLEM IN YOUR DATABASE, SOME WITH SERIOUS INJURIES. AFTER ALL THESE YEARS, HOW CAN THIS ISSUE BE ESCALATED BEFORE THERE IS A FATALITY? PLEASE RESPOND ASAP.

NHTSA complaint #11072996 — an unverified report by a vehicle owner.

at 39,000 miles NEW ARK, NJ

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 5 MPH AND THEN DEPRESSING THE BRAKE PEDAL TO SLOW THE VEHICLE DOWN, THE VEHICLE ACCELERATED WITHOUT WARNING. TO AVOID CRASHING INTO THE PRECEDING VEHICLE, THE CONTACT WAS ABLE TO VEER TO THE RIGHT AND CONTINUE DRIVING. THERE WAS NO WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED THREE TIMES. THE VEHICLE WAS TAKEN TO PORTER FORD (600 OGLETOWN RD, NEWARK, DE 19711) WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY MOTOR ASSEMBLY WAS STICKING AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE APPROXIMATE FAILURE MILEAGE WAS 39,000.

NHTSA complaint #11065882 — an unverified report by a vehicle owner.

Brooklyn, NY

VEHICLE SPEED CONTROL

VEHICLE AT TIMES WITH MY FOOT ON THE BRAKE PEDAL,JUST STARTS TO ACCELERATE FOR NO REASON WHEN I STOP A LIGHT OR IN TRAFFIC.

NHTSA complaint #11002062 — an unverified report by a vehicle owner.

at 146,784 miles Kearney, NE

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE STOPPED AT A TRAFFIC LIGHT, THE VEHICLE ACCELERATED INDEPENDENTLY. THE CONTACT STATED THAT IT BECAME DIFFICULT TO KEEP THE VEHICLE FROM MOVING FORWARD. THE CONTACT STATED THAT THE BRAKE PEDAL WAS DEPRESSED BUT FAILED TO STOP THE VEHICLE. THE CONTACT WAS ABLE TO SLOW THE VEHICLE BY PLACING THE SHIFT LEVER TO THE NEUTRAL POSITION. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED OR REPAIRED. THE CONTACT STATED THAT THE FAILURE WAS INTERMITTENT. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 146,784. UPDATED 01/05/17*LJ

NHTSA complaint #10923998 — an unverified report by a vehicle owner.

at 87,000 miles Pittsburgh, PA

VEHICLE SPEED CONTROL

UNINTENDED ACCEL. SOMETIMES WHEN I STEP ON THE BRAKE THE CAR ACCELERATES INSTEAD. AT FIRST I THOUGHT IT WAS ME AND MY BIG FEET. AFTER SOME INTERNET RESEARCH I FIND IT MAY BE COMMON AS THE 2005 GETS OLDER. I ASKED IF BRKE PEDAL COULD BE ADJUSTED SO THAT THERE WAS NO INTERFERENCE WITH THE GAS PEDAL, I WAS TOLD NO. I HAD THE MASTER CYLINDER REPLACED, MINIMUM IMPROVEMENT. ONE DAY I "SHOT" ACROSS US19 IN ROSS TOWNSHIP WHEN I BRAKED. INSTEAD OF STOPPING AT A RED LIGHT, I KEPT GOING UNTIL I CLEARED TRAFFIC IN BOTH DIRECTIONS RUINING 2 WHEELS & TIRES - SUBSEQUENTLY REPAIRED. THE CAR NOW SITS IN OUR DRIVEWAY, AFTER SOME OTHER OCCURRENCES WITHOUT INCIDENT. I'M LEARY OF DRIVING IT & DON'T WANT TO SELL IT & GET SOMEONE INJURED OR KILLED. FORTUNATELY I HAVE A 2004 SABLE WHICH I DRIVE DAILY WITH NO SUCH PROBLEMS! IDEAS?

NHTSA complaint #10873848 — an unverified report by a vehicle owner.

at 144,000 miles Philadelphia, PA

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE VEHICLE FAILED TO ACCELERATE OVER 60 MPH. WHEN THE VEHICLE WAS ABLE TO REACH SPEEDS MORE THAN 60 MPH, THE TRACTION CONTROL WARNING LIGHT ILLUMINATED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE FAILURE WAS UNDETERMINED. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT PROVIDED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 144,000.

NHTSA complaint #10807466 — an unverified report by a vehicle owner.

at 40,000 miles Mckinney, TX Crash

VEHICLE SPEED CONTROL

STARTED VEHICLE TO MOVE IT IN MY DRIVEWAY. PUT IT IN DRIVE AND THROTTLE STUCK OPEN AND VEHICLE SLAMMED MY GARAGE CORNER. TRIED PUTTING IT IN PARK AND IT WENT INTO REVERSE (BRAKE OVERRIDE DID NOT WORK) INSTEAD AND CROSSED STREET, WENT ACROSS NEIGHBORS LANDSCAPING STONES AND SLAMMED INTO THE HOUSE NEXT DOOR'S FRONT PORCH AT WHICH TIME THE IGNITION SHUT DOWN AND THE CAR CAME TO A STOP. MANY THOUSANDS OF DOLLARS IN DAMAGES TO ALL THREE HOMES.

NHTSA complaint #10669300 — an unverified report by a vehicle owner.

at 12,000 miles Essex, MD

VEHICLE SPEED CONTROL

SUDDEN ACCELERATION. THE CAR DID THIS AFTER STARTING IT IN THE DRIVEWAY. UPON PLACING THE CAR IN DRIVE THE CAR ACCELERATED BURNING RUBBER IN THE DRIVEWAY. HAD TO STAND ON BRAKES AND TURN IGNITION OFF TO STOP CAR. THE SECOND INCIDENCE HAPPENED WHILE BRAKING FOR A RED LIGHT, I HAD TO SHIFT CAR INTO NEUTRAL TO STOP CAR. UNSURE OF MILEAGE IN THIS INSTANCE. MOST RECENTLY WHILE IN SOUTH CAROLINA I WAS SITTING AT A RED LIGHT WITH MY FOOT ON THE BRAKE THE CAR SUDDENLY ACCELERATED AND I HAD TO SHIFT TO NEUTRAL TO AVOID REAR ENDING CAR IN FRONT OF ME. (MILEAGE 60,000).

NHTSA complaint #10596454 — an unverified report by a vehicle owner.

at 15,000 miles Elgin, IL

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE LIGHTS INTERMITTENTLY TURNED ON AND OFF. THE CONTACT TOOK HIS VEHICLE TO AN INDEPENDENT MECHANIC WHERE THEY REPLACED THE LCM LIGHT CONTROL MODULE. THE MANUFACTURE WAS NOTIFIED AND STATED THAT THERE WAS NO RECALL FOR THE MAKE AND MODEL. THE CONTACT ALSO STATED WHILE DRIVING THE CRUISE CONTROL SUDDENLY MALFUNCTIONED SPONTANEOUSLY. THE CONTACT AGAIN TOOK TO VEHICLE TO A FORD DEALER WERE THEY STATED THERE WAS NOTHING WRONG WITH THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURE AGAIN STATED NO THERE WERE NO RELATED RECALLS FOR HIS YEAR, MAKE AND MODEL VEHICLE. THE APPROXIMATE FAILURE MILEAGE WAS 15,000 MILES.

NHTSA complaint #10561640 — an unverified report by a vehicle owner.

at 25,000 miles Pompano Beach, FL

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE VEHICLE EXHIBITED SUDDEN ACCELERATION AND THE ENGINE RPMS WOULD IDLE ABNORMALLY VERY HIGH SECONDS PRIOR TO THE FAILURE OCCURRING. THE CONTACT WAS ABLE TO STOP THE VEHICLE BY SHIFTING INTO NEUTRAL. THE CONTACT TOOK THE VEHICLE TO THE DEALER HOWEVER, THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. THE DEALER THEN RECOMMENDED HAVING THE THROTTLE BODY REPLACED BUT COULD NOT GUARANTEE THAT THE REPAIR WOULD REMEDY THE FAILURE. THE FAILURE MILEAGE WAS 25,000.

NHTSA complaint #10497996 — an unverified report by a vehicle owner.

Leesburg, FL

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE VEHICLE SUDDENLY ACCELERATED WHENEVER THE CONTACT WAS BRAKING TO A STOP. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 46,000.

NHTSA complaint #10469697 — an unverified report by a vehicle owner.

HOT Springs, AR Crash

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE DRIVER OF THE VEHICLE WAS TRAVELING 10 MPH WHEN THE VEHICLE ACCELERATED UP TO 50 MPH AND THE DRIVER CRASHED INTO SEVERAL TREES. THE VEHICLE WAS NOT DESTROYED AND THERE WERE NO INJURIES. THE VEHICLE WAS TOWED TO A REPAIR SHOP BUT THE CAUSE OF THE FAILURE WAS UNKNOWN. THE MANUFACTURER WAS NOT NOTIFIED OF THE INCIDENT. THE FAILURE MILEAGE WAS UNKNOWN. THE VIN WAS UNAVAILABLE.

NHTSA complaint #10464413 — an unverified report by a vehicle owner.

at 18,000 miles Vermilion, OH Crash

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE PARKING, HE ATTEMPTED TO APPLY THE BRAKES BUT DEPRESSED THE ACCELERATOR PEDAL INSTEAD. THE CONTACT CRASHED AGAINST ANOTHER VEHICLE AS A RESULT. THERE WAS NO DAMAGE. THE CONTACT STATED THAT THE FAILURE WAS DUE TO HOW CLOSE THE PEDALS WERE POSITIONED TO ONE ANOTHER. THE VEHICLE WAS TAKEN TO DEALER, WHO OFFERED NO ASSISTANCE. THE MANUFACTURER WAS NOT NOTIFIED. THE VIN WAS NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGES WERE 18,000.

NHTSA complaint #10462289 — an unverified report by a vehicle owner.

at 25,000 miles Glendale, AZ

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE BRAKE AND ACCELERATOR PEDALS WERE POSITIONED VERY CLOSE TO ONE ANOTHER. AS A RESULT, THE CONTACT EXPERIENCED A FAILURE IN WHICH HE DEPRESSED BOTH PEDALS SIMULTANEOUSLY. THE FAILURE WAS EXPERIENCED SEVERAL TIMES. THE VEHICLE WAS NOT TAKEN TO A DEALER TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND OFFERED NO ASSISTANCE. UPDATED 09/06/2012

NHTSA complaint #10458328 — an unverified report by a vehicle owner.

Spring Lake, NJ Crash Fire 2 injured

VEHICLE SPEED CONTROL

UPON STARTING UP 2005 MERCURY MARQUIS (~24000 MILES) AND PLACING CAR INTO DRIVE, CAR ACCELERATED AT A HIGH RATE OF SPEED AND CRASHED INTO A GAS STATION PUMP. THE CAR ACCELERATOR MALFUNCTIONED AND WAS IN A "JAMMED STATE". THE DRIVER IMMEDIATELY PUT RIGHT FOOT THEN BOTH FEET ON BRAKE TRYING TO GET THE VEHICLE TO STOP. THE CAR WOULD NOT SLOW MUCH LESS STOP. DRIVER SUFFERED VERY SERIOUS EYE INJURY AND CURRENTLY HAS NO SIGHT IN INJURED LEFT EYE. THERE IS THE RISK OF LOSING LEFT EYE. PASSENGER SUFFERED FRACTURED STERNUM AND OTHER BRUISING. BOTH DRIVER AND PASSENGER ARE TRAUMATIZED FROM THIS CAR ACCELERATOR MALFUNCTION.

NHTSA complaint #10445094 — an unverified report by a vehicle owner.

at 150 miles Longwood, FL

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING AT ANY SPEED AND ATTEMPTING TO BRAKE, THE VEHICLE SUDDENLY ACCELERATED. THE FAILURE WAS EXPERIENCED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO THE DEALER SEVERAL TIMES FOR THE FAILURE WHERE THE DEALER TEST DROVE THE VEHICLE, BUT WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS THEN TAKEN TO A LOCAL MECHANIC FOR FURTHER INSPECTION. THE CONTACT ALSO EXPERIENCED FAILURES WITH THE HEADLIGHTS. THE HEADLIGHTS WERE REPLACED BUT THE ABNORMAL ACCELERATION FAILURE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 150 AND THE CURRENT MILEAGE WAS 15,600.

NHTSA complaint #10433483 — an unverified report by a vehicle owner.

at 5,000 miles BEL AIR, MD

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. WHILE DRIVING AT APPROXIMATELY 10 MPH AND DEPRESSING THE BRAKES, THE VEHICLE SUDDENLY ACCELERATED UNTIL THE BRAKE PEDAL WAS RELEASED. ALSO, WHILE PARKED, THE CONTACT DEPRESSED THE BRAKES AND THE VEHICLE LUNGED FORWARD. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTICS OR REPAIRS. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 5,000.

NHTSA complaint #10418154 — an unverified report by a vehicle owner.

at 8,770 miles Elgin, IL

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 44 MPH, THE CONTACT APPLIED THE BRAKES AND THERE WAS AN ABNORMAL INCREASE IN ENGINE RPMS AND THE ENGINE ROARED LOUDLY. THE VEHICLE ATTEMPTED TO ACCELERATE BUT THE CONTACT APPLIED THE BRAKES ABRUPTLY. THE VEHICLE THEN GRADUALLY BEGAN TO DECELERATE TO APPROXIMATELY 30 MPH. HE THEN DISENGAGED THE OVERDRIVE FEATURE AND ONCE THE VEHICLE REACHED A SPEED OF 30 MPH, THE VEHICLE OPERATED AS NORMAL. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 8,770.

NHTSA complaint #10384523 — an unverified report by a vehicle owner.

at 41,000 miles Huntington Beach, CA

VEHICLE SPEED CONTROL

OVER THE PAST SEVERAL MONTHS, MY 2005 MERCURY GRAND MARQUIS HAS SUDDENLY STALLED WHEN I BEGIN TO ACCELERATE AFTER THE CAR IS STOPPED. IT HAPPENED 3 TIMES IN FORWARD MODE AND ONCE IN REVERSE. ON TWO OCCASIONS, I HAD GOTTEN SEVERAL FEET INTO THE BUSY INTERSECTION AND IN ONE INCIDENT, AN ACCIDENT NEARLY OCCURRED.

NHTSA complaint #10294678 — an unverified report by a vehicle owner.

at 17,816 miles Durham, NC Crash 3 injured

VEHICLE SPEED CONTROL

ARRIVED AT SON'S HOME AND STOPPED IN DRIVEWAY WITH FOOT ON BRAKE WHEN VEHICLE SUDDENLY ACCELERATED UNCONTROLLABLY, SPINNING WHEELS IN GRAVEL DRIVEWAY. DRIVER SWERVED TO AVOID HITTING GARAGE AND RAN HEAD ON INTO A PINE TREE RESULTING IN SEVERE DAMAGE TO ENTIRE FRONT END OF VEHICLE (EXPECT VEHICLE TO BE CONSIDERED A TOTAL LOSS) AND INJURIES TO THE DRIVER AND TWO PASSENGERS. BOTH DRIVER AND PASSENGER AIRBAGS DEPLOYED. PRIOR TO ARRIVING AT DESTINATION, DRIVER HAD USED THE CRUISE CONTROL ON THE VEHICLE. VEHICLE HAS NOT YET BEEN MOVED AND AM CURRENTLY WAITING FOR INSURANCE ADJUSTER TO INSPECT VEHICLE. BOTH DRIVER AND FRONT SEAT PASSENGER SUFFERED SEVERE BRUISING ON FACE, ARMS, CHEST AND ABDOMEN, PRESUMABLY FROM DEPLOYMENT OF THE AIR BAGS AS WELL AS FROM THE SEAT BELTS. REAR SEAT PASSENGER SUFFERED A CONTUSION ON THE FOREHEAD AND A SPRAINED HAND. ALL VEHICLE OCCUPANTS WERE TRANSPORTED TO HOSPITAL FOR EVALUATION AND RELEASED.

NHTSA complaint #10269914 — an unverified report by a vehicle owner.

at 29,000 miles Merritt Island, FL Crash

VEHICLE SPEED CONTROL

TL*THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. IN FEBRUARY OF 2009, WHILE PULLING INTO A PARKING SPACE AT AN UNKNOWN SPEED, THE VEHICLE JUMPED THE CURB, RACED OVER THE MEDIAN, AND CRASHED INTO A TREE. THERE WERE NO INJURIES. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO THE DEALER. THE TECHNICIAN TEST DROVE THE VEHICLE AND FOUND NO FAILURES. THE FAILURE PREVIOUSLY OCCURRED ON APPROXIMATELY THREE OR FOUR OCCASIONS. THE FAILURE MILEAGE WAS 29,000.

NHTSA complaint #10268631 — an unverified report by a vehicle owner.

at 30,200 miles OLD Orchard Beach, ME Crash

VEHICLE SPEED CONTROL

CAR WAS SLOWING FOR RED LIGHT, STEPPED ON BRAKE, ENGINE OVERSPED, VEHICLE WAS UNCONTROLLABLE, COLLIDED WITH PICK UP TRUCK AHEAD, PICK UP WAS PUSHED INTO A COMPACT CAR AHEAD. AIR BAGS DID NOT DEPLOY. CLOUDS OF SMOKE BEHIND MY CAR AND TIRE MARKS ON ROADWAY CONFIRMED BRAKE PEDAL, NOT ACCELERATOR, WAS DEPRESSED. CAR EXPERIENCED A SLIGHT OVERSPEED ON A PREVIOUS OCCASION.

NHTSA complaint #10227779 — an unverified report by a vehicle owner.

at 13,000 miles Toledo, OH Crash 2 injured

VEHICLE SPEED CONTROL

WHILE PARKED AT THE END OF HER DRIVEWAY, WAITING FOR ONCOMING VEHICLES TO BYPASS, THE VEHICLE AUTOMATICALLY ACCELERATED, AND MADE A HALF TURN AT 40 MILES PER HOUR. THE VEHICLE, AS A RESULT, HIT A TREE. AS A RESULT, THE WINDOWS WERE DAMAGED, THE FRONT SEATS, WHERE THE OCCUPANTS WERE SEATED, WHILE WEARING THE SEAT BELTS, WERE THROWN TO THE REAR PORTION OF THE VEHICLE. SHE HAS HAD THE VEHICLE INSPECTED BY HER INSURANCE AGENCY ( SAFECO) [ENGINEER] ) WHO STATED THAT THIS IS DEFINITELY A RESULT IN AN ECM MANUFACTURERS' DEFECT. AS A RESULT, THE VEHICLE IS COMPLETELY DAMAGED. THE OCCUPANTS SUSTAINED SEVERE WHIPLASH, AND PINCHED NERVES. SHE CAN NO LONGER PLACE WEIGHT ON HER FEET, WHICH COULD RESULT IN SEVERE BACK PAIN. SHE HAS HAD BOTH KNEES REPLACED. SHE AND HER HUSBAND, HAVE NOT BEEN ABLE TO CONTACT THE MANUFACTURER AS OF YET. THE FAILURE AND CURRENT MILEAGE 13,000. THE POLICE AND EMS DID COME TO THE SCENE OF THE ACCIDENT WERE A POLICE REPORT WAS FILED. --DS UPDATED 02-19-08 *BF UPDATED 02/14/08

NHTSA complaint #10213409 — an unverified report by a vehicle owner.

at 31,900 miles Belgrade, MT Crash 2 injured

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

TL*THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. WHILE DRIVING 2 MPH, THE VEHICLE ACCELERATED WITHOUT WARNING TO APPROXIMATELY 75 MPH. THE CONTACT DEPRESSED THE BRAKE PEDAL, BUT THE VEHICLE FAILED TO STOP. THE FAILURE CAUSED HER TO CRASH INTO A FIRE HYDRANT. THE DRIVER SUSTAINED A BROKEN BACK AND THE FRONT SEAT PASSENGER SUSTAINED A BRUISED BOWEL AND INTERNAL BLEEDING. THE VEHICLE WAS DESTROYED. AS OF JULY 16, 2007, THE DEALER HAS BEEN UNABLE TO DIAGNOSE THE CAUSE OF FAILURE. THE CURRENT MILEAGE IS 32,000 AND FAILURE MILEAGE WAS 31,900.

NHTSA complaint #10196523 — an unverified report by a vehicle owner.

at 500 miles SAN Antonio, TX

VEHICLE SPEED CONTROL

WHEN VEHICLE BRAKES ARE APPLIED, VEHICLE BEGINS TO ACCELERATE. THE VEHICLE REQUIRES EXTREME PRESSURE IN ORDER TO HAVE IT STOP. ON ONE OCCASION I WAS FORCED TO PASS A STOP LIGHT. THE VEHICLE HAS BEEN TAKEN TO THE DEALERSHIP ON THESE OCCASIONS HOWEVER DEALERSHIP IS UNABLE TO REPLICATE THE PROBLEM. THEY HAVE NOT REPLACED ANY PARTS AND ARE NOW CONSIDERING INSTALLING A "BLACK BOX" TO RECORD THE INCIDENT IF IT OCCURS IN THE FUTURE AND FIGURE OUT WHAT IS CAUSING THE PROBLEM.

NHTSA complaint #10182793 — an unverified report by a vehicle owner.

Other 2005 Mercury Grand Marquis problems

← Full 2005 Mercury Grand Marquis report