RoadVitals

2006 Mercury Grand Marquis Driver assistance Problems

Owner-reported complaints naming the driver-assistance system, filed with NHTSA

Data refreshed

Driver assistance reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
37
Latest Jun 15, 2020
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
26%
of 143 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
9
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
5

What this page shows

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems. Every record below is an owner-reported complaint about the 2006 Mercury Grand Marquis submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 37 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming driver-assistance

The 25 most recent of 37, in the owner's own words

Body & structureDriver assistanceOther / unspecified
Filed Jun 15, 2020
Crash reported

AS I WAS DRIVING. 35MPH MY FRONT WHEEL ON THE DRIVER SIDE HAD SNAPPED OFF CAUSING MY VEHICLE TO CRASH INTO A PARKED VEHICLE. LONG STORY SHORT. I'M GOING THRU A FINANCIAL CRISIS. MY CAR WAS TOWED BY AAA TO MY HOUSE. I NOTIFIED MY INSURANCE COMPANY. WHY DID THE POLICE TOW MY CAR AWAY FROM MY HOUSE? SOMEBODY NEEDS TO TAKE CARE OF THIS BECAUSE I CAN'T. TRANSPORTATION IS ESSENTIAL TO ME. PLEASE I NEED HELP. *TR

NHTSA ID
11328957
Incident
May 10, 2020
Driver assistance
Filed Mar 7, 2020

THE VEHICLE ACCELERATED ON IT'S OWN WHILE STOPPED WITH THE BRAKE DEPRESSED. ONCE IN A PARKING LOT WAITING FOR A SPOT TO CLEAR.THE SECOND TIME WHILE SITTING AT A RED LIGHT. I HELD THE BRAKE DOWN AS HARD AS I COULD WHILE THE CAR DID A BURN OUT AND I NOTICED THE TRACTION LIGHT COME ON. IT THEN JUST WENT BACK TO NORMAL. THIS IS VERY DANGEROUS. SOMEONE IN FRONT OF THE CAR (ANOTHER DRIVER OR PEDESTRIAN) CAN SERIOUSLY GET HURT OR KILLED.

NHTSA ID
11316773
Incident
Mar 7, 2020
Mileage
106,000 mi
Driver assistanceFuel system
Filed Sep 3, 2018

THE VEHICLE ACCELERATION BY IT SELF AND COULD NOT STOP IT. PROPELLED THRU THE. BRAKES AND WOULD NOT STOP. WE ARE TAKING CAR TO FORD DEALER. THE CAR ENGINE WAS STOPPED AND RESTARTED RUN OK. NOT SURE IF A RECALL ABOUT THIS YR. WITH THIS PROBLEM?

NHTSA ID
11124153
Incident
Sep 2, 2018
Mileage
102,000 mi
Driver assistance
Filed Nov 9, 2017

TL* THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. WHILE DRIVING 45 MPH, THE VEHICLE ACCELERATED INDEPENDENTLY. THE CONTACT DEPRESSED THE BRAKE PEDAL, BUT THE VEHICLE DID NOT STOP. THE CONTACT WAS ABLE TO PLACE THE VEHICLE IN NEUTRAL AND DEPRESS THE BRAKE PEDAL IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED OR REPAIRED. THE FAILURE WAS INTERMITTENT. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 170,000.

NHTSA ID
11044890
Incident
Nov 8, 2017
Mileage
170,000 mi
Driver assistanceElectrical
Filed Aug 19, 2016

CRUISE CONTROL WILL NOT WORK NOR POWER ON. CIGARETTE LIGHTER OUTLET HAS NO POWER.

NHTSA ID
10897075
Incident
Aug 19, 2016
Mileage
66,000 mi
Driver assistance
Filed Apr 26, 2016
Crash reported

TL* THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. WHILE DRIVING INTO A PARKING SPACE AT APPROXIMATELY 5 MPH, THE BRAKE PEDAL WAS DEPRESSED AND THE VEHICLE UNINTENDEDLY ACCELERATED AND CRASHED INTO THE SIDE OF A CONCRETE BUILDING. THERE WERE NO INJURIES AND A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE FRONT END DAMAGES WERE REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 45,800.

NHTSA ID
10861518
Incident
Apr 5, 2016
Mileage
45,800 mi
Driver assistance
Filed Feb 1, 2016

TL* THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE ACCELERATED INDEPENDENTLY WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC BUT THE FAILURE WAS UNABLE TO BE DETERMINED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ID
10823388
Incident
Jan 25, 2016
Driver assistance
Filed Aug 24, 2015

TL* THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING AT 10 MPH ATTEMPTING TO ENGAGE THE BRAKES, THE VEHICLE SUDDENLY ACCELERATED WITHOUT WARNING. THE FAILURE RECURRED THREE TIMES. THE VEHICLE WAS TAKEN TO A DEALER BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 58,300.

NHTSA ID
10758873
Incident
Aug 17, 2015
Mileage
58,300 mi
AirbagsBrakesDriver assistance
Filed Apr 17, 2015
Crash reported1 injury reported

TL* THE CONTACT OWNED A 2006 MERCURY GRAND MARQUIS. WHILE DRIVING AT AN UNKNOWN SPEED WITH THE CRUISE CONTROL ACTIVATED, THE VEHICLE SUDDENLY ACCELERATED. THE REAR BRAKES LOCKED WHEN THE FAILURE OCCURRED. THE CONTACT WAS UNABLE TO STOP THE VEHICLE AND CRASHED INTO A TREE. THE AIR BAGS FAILED TO DEPLOY. THE FRONT SEAT PASSENGER WAS INJURED AND RECEIVED MEDICAL ATTENTION. THE VEHICLE WAS DESTROYED. A POLICE REPORT WAS FILED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 38,000.

NHTSA ID
10706270
Incident
Apr 8, 2010
Mileage
38,000 mi
Driver assistance
Filed Feb 10, 2015
Crash reported

I HAD AN INCIDENT OF UNINTENDED ACCELERATION ON MY MERCURY MARQUIS. I WAS BRAKING FOR A STOP WHEN THE ENGINE SUDDENLY STARTED RACING. I PUT MY FOOT ON THE BRAKE HARD BUT THE CAR STILL CONTINUED TO MOVE SLOWLY UNTIL I HIT THE CAR IN FRONT OF ME. THERE WAS NO DAMAGE TO EITHER VEHICLE (FORTUNATELY) BUT THE CAR'S ENGINE WAS COMPLETELY OUT OF CONTROL. *TR

NHTSA ID
10682440
Incident
Feb 9, 2015
Mileage
215,000 mi
Driver assistance
Filed Oct 18, 2014

DRIVING AT 50 MPH. PASSED SLOWER-MOVING VEHICLE BY PUSHING ACCELERATOR TO FLOOR(FULL POWER) DURING INITIAL PASS, THEN RELEASED ACCELERATOR. ENGINE RPM'S DID NOT REDUCE, BUT INSTEAD CLIMBED RAPIDLY WITH THE THROTTLE STUCK AT THE "FULL POWER" POSITION. THE VEHICLE CONTINUED TO ACCELERATE RAPIDLY, REACHING A SPEED OF ABOUT 75 MPH IN 50 MPH ZONE ON TWO LANE ROAD. UPON RECOGNIZING THE ACCELERATOR WAS STUCK IN "WIDE OPEN" POSITION, I SLAMMED MY FOOT AGAINST THE ACCELERATOR PEDAL REPEATEDLY, AND AFTER ABOUT THREE STRIKES THE ENGINE RPM REDUCED TO NORMAL (CONSISTENT WITH ACCELERATOR PEDAL POSITION) AND I WAS ABLE TO REGAIN CONTROL OF THE SPEED AND SLOW THE VEHICLE. I CHECKED TO ENSURE THAT NEITHER THE FLOOR MAT NOR ANY FOREIGN OBJECTS WERE IMPINGING ON ACCELERATOR PEDAL. I FOUND NO OBJECTS INTERFERING WITH THE ACCELERATOR PEDAL. THIS SAME PROBLEM OCCURRED TWO MORE TIMES WITHIN TWO WEEKS. I REPORTED THE EVENTS TO MY LOCAL MECHANIC AND HE RAN A COMPUTER DIAGNOSTIC ON THE SYSTEM. IT SHOWED NO ABNORMALITIES OR CODES. TWO MECHANICS EXAMINED THE SYSTEM UNDER THE HOOD AND NOTED NO ABNORMALITIES. THEY INDICATED THEY "CLEANED" SOMETHING (CONTACTS?). I SUBSEQUENTLY TOOK THE VEHICLE ONTO A LARGER ROAD WITHOUT TRAFFIC PRESENT AND ATTEMPTED TO DUPLICATE THE PROBLEM. WHEN I PRESSED THE ACCELERATOR TO THE FLOOR (FULL THROTTLE), THE SAME PROBLEM OCCURRED. THE ENGINE RPM CONTINUED TO CLIMB RAPIDLY AND THE VEHICLE ACCELERATED UNCONTROLLABLY AND RAPIDLY. TAKING MY FOOT OFF THE ACCELERATOR RESULTED IN ABSOLUTELY NO REDUCTION TO ENGINE POWER. ENGINE RPM AND SPEED RAPIDLY INCREASED AS THE ENGINE WAS STUCK IN THE "FULL POWER" POSITION. I WAS ONLY ABLE TO REGAIN CONTROL OF THE ENGINE SPEED AND VEHICLE SPEED BY REPEATEDLY SLAMMING MY FOOT AGAINST THE ACCELERATOR PEDAL. AFTER TWO OR THREE HITS, ENGINE POWER REDUCED CONSISTENT WITH ACCELERATOR POSITION. *TR

NHTSA ID
10648595
Incident
Oct 1, 2014
Mileage
117,500 mi
Driver assistance
Filed Sep 29, 2014

TL* THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. WHILE APPROACHING A TRAFFIC LIGHT, THE VEHICLE ACCELERATED WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT HAD TO APPLY THE BRAKE PEDAL AND SHIFT INTO NEUTRAL IN ORDER TO STOP THE VEHICLE. AN INDEPENDENT MECHANIC WAS UNABLE TO DIAGNOSE THE FAILURE, BUT REPLACED THE THROTTLE POSITION SENSOR AND THROTTLE BODY. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS UNAVAILABLE. UPDATED 12/03/14*LJ

NHTSA ID
10639842
Incident
Jun 2, 2014
Driver assistanceEngine
Filed Sep 22, 2014

UPON READYING FOR STOP THE VEHICLE SURGED FORWARD. I HAD TO PUT IN NEUTRAL AND WAIT UNTIL THE SURGE DISCONTINUED. THIS HAS BEEN GOING ON FOR SEVERAL MONTHS. IT HAS BECOME A INCIDENT THAT HAPPENS MORE OFTEN. IT IS VERY SCARY. A HAD JUMP HAPPENS WHEN I PUT IT BACK IN GEAR. *TR

NHTSA ID
10637999
Incident
Sep 21, 2014
Mileage
102,000 mi
Driver assistanceFuel system
Filed Aug 22, 2014

ON 6/1/14 I WAS DRIVING SOUTH ON SR44 IN OHIO NEAR LAKE PUNDERSON AND FOLLOWING A FARMER DRIVING A FARM TRACTOR.WHEN I GOT A CHANCE TO PASS HIM I ACCELERATED TO KICK IN THE PASSING GEAR AND WHEN I CLEARED HIM AND LEFT OFF THE THROTTLE IT DID NOT RESPOND INSTEAD IT CONTINUED AT A HIGH SPEED FOR A FEW SECONDS BEFORE LETTING OFF.I THOUGHT MAYBE THE THROTTLE GOT CAUGHT ON MY CAR MAT. I VERY RARELY PUSH THE THROTTLE TO THE FLOOR. THEN YESTERDAY 8/20/14 I WAS WITH MY FAMILY TRAVELING NORTH ON I-77 IN AKRON OHIO AND AGAIN I KICKED THE CAR INTO PASSING GEAR TO PASS AND THIS TIME IT ACCELERATED AND DID NOT RETRACT ON MY LETTING OFF. I SLID THE SHIFTER INTO NEUTRAL AND PLACED MY FOOT UNDER THE PEDAL AND LIFTED UP AND IT CAME UP BUT I THOUGHT I FELT SOME RESISTANCE WITH THE PEDDLE.I CONTINUED ON TO MY DESTINATION ONLY A FEW MILES TO COPLEY OHIO.I PARKED THE CAR TURNING OFF THE ENGINE AND SLID THE SEAT BACK AND ON MY KNEES IN THE DRIVEWAY I REACHED IN WITH MY RIGHT HAND AND PUSHED THE PEDDLE ALL THE WAY IN AND LET GO OF IT AND TO MY SURPRISE IT REMAINED IN THE FULL THROTTLE POSITION. I THEN PULLED THE THROTTLE BACK AND FELT RESISTANCE. I PUSHED IT BACK IN AGAIN AND IT STUCK BUT CAME BACK WITH LESS RESISTANCE SO I PUMPED IT BACK AND FORTH AND GOT RID OF THE STICKING PROBLEM.I THEN THOUGHT IT MAY OF DEVELOPED SOME LIGHT RUST ON THE LINKAGE SO I LOOKED UP UNDER THE DASH AND THERE IS NO PLACE TO LUBRICATE THAT'S WHEN I REALIZED I REALLY HAD A PROBLEM AND POSSIBLY A LOT OF PEOPLE OWNING A SIMILAR CAR.AS OF THIS WRITING I WENT OUT TO THE CAR IN THE GARAGE AND REACHED IN AND PUSHED THE THROTTLE TO THE FLOOR AND IT CAME BACK NICELY.A LOT OF PEOPLE WILL NOT REACT AS I DID AND SHIFT INTO NEUTRAL. *TR

NHTSA ID
10627356
Incident
Jun 1, 2014
Mileage
62,800 mi
Driver assistance
Filed Apr 16, 2014
Fire reported

TL* THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. THE CONTACT STATED WHILE DRIVING 40 MPH, AN UNKNOWN WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL THEN THE VEHICLE STALLED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE THROTTLE BODY SYSTEM NEEDED TO BE REPLACED. SHORTLY AFTER THE REPAIR, THE VEHICLE CAUGHT FIRE AND WAS DESTROYED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE AND THE CURRENT MILEAGES WERE UNKNOWN.

NHTSA ID
10583182
Incident
Mar 2, 2014
Driver assistanceEngine
Filed Nov 19, 2013

ON SEVERAL OCCASIONS SINCE I'VE OWNED THIS VEHICLE (I AM ORIGINAL OWNER) WHEN I STEP ON THE BRAKES HARD THE ENGINE ACCELERATES. RECENTLY IT HAS GOTTEN WORSE AND I KNOW I'M NOT TOUCHING THE ACCELERATOR. TODAY IT WAS SO BAD THE I WAS STANDING ON THE BRAKES WITH BOTH FEET AND BURNING RUBBER. I SHIFTED TO PARK AND THE ENGINE WENT ONTO MAX ACCELERATION. I SHUT OF THE ENGINE AND RESTATED AND FOUND IT WAS STILL AT MAX ACCELERATION. I SHUT IT OFF AGAIN AND WAITED 30 SECONDS. WHEN I THEN RESTARTED IT RAN NORMALLY. FORTUNATELY I WAS AT A STOP SIGN OR I THINK THERE WOULD HAVE BEEN A COLLISION IF IN TRAFFIC. *TR

NHTSA ID
10552931
Incident
Nov 4, 2013
Mileage
55,000 mi
Driver assistance
Filed Nov 7, 2013
Crash reported3 injuries reported

STOPPED AT RAILROAD CROSSING. TRAIN MOVING. 1 CAR AHEAD OF ME AT RAILROAD. STOP. I WAS COMPLETELY STOPPED. AFTER BEING STOPPED FOR ABOUT A MINUTE MY CAR SUDDENLY ACCELERATE AND SLAMMED INTO CAR IN FRONT OF ME PUSHING CAR FORWARD IN THE SIDE OF MOVING TRAIN. MY CAR ALSO SLAMMED INTO TRAIN AND WAS REVERSED AND STOPPED ON RAILROAD POST. DURING THIS TIME I COULD NOT STOP VEHICLE. THE VEHICLE WAS TRAVELING AT CONSIDERABLE SPEED. *TR

NHTSA ID
10551249
Incident
Nov 4, 2013
Mileage
52,000 mi
BrakesDriver assistance
Filed Aug 7, 2013

OVER THE COURSE OF SEVERAL MONTHS THE ENGINE SEEMED TO REV UP WHILE THE BRAKES WERE APPLIED FOR A STOP. ON JULY 29,2013 I TOOK THE CAR TO A RELIABLE SERVICE CENTER AND ASKED FOR AN ANALYSIS OF WHAT THE CAUSE COULD BE. ANALYSIS RESULT INDICATED THAT THE THROTTLE BODY ASSEMBLY WAS THE PROBLEM. A NEW ASSEMBLY WAS INSTALLED, AND I WAS INFORMED THAT FORD HAS A BULLETIN ON THAT PARTICULAR PART ON 2006 GRAND MARQUIS. THE MECHANIC FELT THAT A RECALL SHOULD BE ISSUED FOR SAFETY REASONS. *TR

NHTSA ID
10534103
Incident
Jul 29, 2013
Mileage
29,802 mi
Driver assistance
Filed Jul 26, 2013

I WAS DRIVING UP TO A LIGHT AND SLOWING DOWN. WHEN AT 25MPH THE CAR SUDDENLY ACCELERATED AND I HAD TO PUT ALL MY WEIGHT ON THE BRAKE TO STOP. AFTER ABOUT 10 SECONDS THE CAR WENT BACK TO NORMAL AND RAN FINE. SINCE THAT INCIDENT MY CAR HAS DONE THAT TWICE WITH THE SAME RESULT AND I AM WORRIED SOMEONE WILL GET HURT. I HAVE BEEN RESEARCHING THIS ONLINE AND HAVE FOUND OTHER COMPLAINTS. I WILL BE TAKING THE CAR TO MY MECHANIC ASAP. *TR

NHTSA ID
10532071
Incident
Jul 17, 2013
Mileage
22,538 mi
Driver assistance
Filed Apr 3, 2012
Crash reported

TL* THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. THE CONTACT WAS ATTEMPTING A LEFT TURN WHEN THE VEHICLE SUDDENLY ACCELERATED AND CRASHED INTO THE SIDE OF A BUILDING. NO ONE WAS INJURED. THE VEHICLE WAS DAMAGED AT THE HOOD AND THE GRILL. THE POLICE WERE CONTACTED AND AN INCIDENT REPORT WAS FILED. THE CONTACT STATED THAT THE VEHICLE ABNORMALLY ACCELERATED ON ANOTHER OCCASION WHICH ALSO RESULTED IN A CRASH. AS THE CONTACT SHIFTED INTO DRIVE, THE VEHICLE LUNGED FORWARD AND THE RPM'S INCREASED EXCESSIVELY. THE VEHICLE CRASHED INTO A PARKED VEHICLE BUT NO ONE WAS INJURED. A POLICE REPORT WAS ALSO FILED OF THE SECOND INCIDENT. THE CONTACT STATED THAT BOTH OF THE INCIDENTS THAT LED TO A CRASH OCCURRED IMMEDIATELY AFTER UTILIZING THE CRUISE CONTROL FUNCTION. THE CONTACT STATED THAT HE WAS PLANNING TO HAVE THE FEATURE REMOVED FROM THE VEHICLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 33,000 AND THE CURRENT MILEAGE WAS 45,400.

NHTSA ID
10453919
Incident
Mar 29, 2012
Mileage
33,000 mi
Driver assistance
Filed Mar 14, 2012

TL* THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE STOPPED AT A STOP LIGHT, THERE WAS AN INCREASE IN THE ENGINE RPMS. THE CONTATC HAD TO APPLY HEAVY PRESSURE TO THE ACCELERATOR PEDAL TO KEEP THE VEHICLE STOPPED. THE FAILURE OCCURRED INTERMITTENTLY AND THE VEHICLE ALSO EXPERIENCE UNINTENDED ACCELERATION. THE VEHICLE WAS TAKEN TO THE DEALER, WHO INSPECTED IT AND STATED THAT THERE WAS NO FAILURE. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 2,000 AND THE CURRENT MILEAGE WAS 111,000. THE VIN WAS UNKNOWN.

NHTSA ID
10451663
Incident
Mar 13, 2006
Mileage
2,000 mi
Driver assistance
Filed May 9, 2011

TL*THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. THE CONTACT STATED THE VEHICLE SURGED FORWARD ON THREE SEPARATE OCCASIONS WHILE THE BRAKES WERE ENGAGED. DURING TWO OF THE FAILURES THE CONTACT APPLIED EXCESSIVE PRESSURE TO THE BRAKE PEDAL TO STOP THE VEHICLE. ON ONE OCCASION THE VEHICLE STOPPED ACCELERATING ON ITS OWN.THE VEHICLE WAS TAKEN TO A REPAIR SHOP BUT THE MECHANIC WAS UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND THE CONTACT WAS ADVISED TO TAKE THE VEHICLE TO AN AUTHORIZED DEALER. THE FAILURE MILEAGE WAS 28,000 AND THE CURRENT MILEAGE WAS 32,800.

NHTSA ID
10399633
Incident
Jul 18, 2010
Mileage
28,000 mi
Driver assistance
Filed Apr 1, 2011

I AM CERTIFIED SAFETY PROFESSIONAL WITH OVER 30 YEARS EXPERIENCE WORKING IN THE OCCUPATIONAL SAFETY FIELD. TWICE WITHIN THE LAST WEEK, MY VEHICLE ACCELERATED TO 5000 RPM WHILE PRESSING THE BRAKE PEDAL TO STOP AT AN INTERSECTION. MY FOOT WAS ON THE BRAKE PEDAL AND NOT ON THE GAS PEDAL. I HAD TO QUICKLY SHIFT INTO NEUTRAL TO AVOID ENTERING THE INTERSECTION INTO CROSSING TRAFFIC. BRAKES WOULD NOT HOLD. A FEW SECONDS AFTER SHIFTING INTO NEUTRAL THE ENGINE DECELERATED BACK TO NORMAL ON ITS OWN. CARPET WAS NOT THE ISSUE. THIS IS A SERIOUS MALFUNCTION THAT COULD HAVE KILLED ME OR SOMEONE ELSE. *TR

NHTSA ID
10393918
Incident
Mar 21, 2011
Mileage
73,250 mi
Driver assistance
Filed Jul 6, 2010

CAR ACCELERATION ON ITS OWN, ESTIMATED START END OF DEC.2009. ESTIMATES THAT IT HAPPENS ONCE A MONTH, NO CLUE AS TO WHEN IT WILL HAPPEN. GOING TO SLOW DOWN / PARK, CAR STARTS TO ACCELERATE ON ITS' OWN., HAVE TO PRESS HARD ON BRAKE AND USE 2 FEET.. BROUGHT CAR INTO DEALER 4 TIMES BETWEEN JAN THRU JUNE , AT THIS POINT. DEALER SAYS CAN'T FIND ANYTHING. *TR

NHTSA ID
10341654
Incident
Dec 28, 2009
Mileage
16,400 mi
Driver assistance
Filed Apr 13, 2010
Crash reported

TL*THE CONTACT OWNS A 2006 MERCURY GRAND MARQUIS. WHILE DRIVING AT APPROXIMATELY 30 MPH, THE VEHICLE SUDDENLY ACCELERATED UP TO 50 MPH ALTHOUGH THE CONTACT DEPRESSED THE BRAKE PEDAL. THE VEHICLE WOULD NOT SLOW DOWN EVEN AFTER THE CONTACT TURNED OFF THE IGNITION AND CONTINUED TO COAST UP THE HILL UNTIL IT CRASHED INTO A CURB. THERE WERE NO INJURIES BUT A POLICE REPORT WAS TAKEN. THE VEHICLE WAS TOWED TO A LOCAL REPAIR SHOP WHERE IT WAS REPAIRED. AFTER THE REPAIR, THE DEALER PERFORMED A DIAGNOSTIC TEST ON THE VEHICLE BUT NO FAILURE WAS FOUND. THE CONTACT CALLED THE MANUFACTURER AND WAS TOLD THAT THEY WOULD GET BACK WITH HIM FOR AN INVESTIGATION. THE CURRENT AND FAILURE MILEAGES WERE 30,351.

NHTSA ID
10325507
Incident
Mar 26, 2010
Mileage
30,351 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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