Page 5 of 8 · complaints 201–250 of 362

2003 Mercury Grand Marquis complaints

Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2003 record →

Exterior Lighting
Filed Mar 24, 2012123,055 milesIL

2003 MERCURY GRAND MARQUIS..THIS IS A LOANER CAR WHILE MY F-150 WAS IN THE SHOP. I USED THE CAR FOR WORK THAT MORNING. LIGHTS WORKED FINE,BUT I NEEDED TO USE MY TRAILOR THE NEXT DAY SO MY WIFE WAS GOING TO USE THE CAR FOR WORK THE NEXT DAY SO I COULD USE OUR EXPLORER TO PULL THE TRAILOR. THE CAR NEEDED GAS AND IT WAS DARK OUT. WE WENT TO GO FOR GAS AND WHEN I STARTED IT THE PARKING LIGHTS WORKED BUT THE HEADLIGHTS WOULD NOT. I PUSHED THE TURN SIGNAL LEVER FORWARD AND THE BRIGHTS DIDN'T EITHER. I CHECKED THE FUSES AND COULD NOT FIND ONE BAD. IT IS GOING BACK TO THE FORD DEALERSHIP. I WOULD THINK FROM WHAT I HAVE READ ABOUT THIS BEING AN ONGOING PROBLEM, THERE WOULD OF BEEN A RECALL BY NOW. I'M JUST GLAD IT DIDN'T HAPPEN TO MY WIFE ON HER WAY TO WORK,IT WAS FOGGY AND DARK THAT MORNING. *TR

Exterior Lighting
Filed Mar 6, 2012109,000 milesKS

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE EXTERIOR FRONT HEADLIGHTS WOULD FAIL SPORADICALLY AND WITHOUT WARNING. THE CONTACT WOULD HAVE TO KEEP THE HIGH BEAM HEADLIGHTS ACTIVATED AT ALL TIMES IN ORDER TO SEE PROPERLY AT NIGHT. A LOCAL MECHANIC REPAIRED THE FAILURE NUMEROUS TIMES, BUT THE FAILURE WOULD RECUR. THE DEALER WAS IN THE PROCESS OF REPLACING THE MANUAL LIGHT SWITCH AND THE FUSES. THE VEHICLE WAS IN THE PROCESS OF REPAIR. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 109,000. THE VIN WAS UNAVAILABLE.

Fuel System, Gasoline
Filed Feb 27, 201235,000 milesFL

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THERE WAS A VERY STRONG FUEL ODOR IN THE VEHICLE, WHICH WAS BEING EMITTED FROM THE FUEL STORAGE TANK. THE DEALER WAS CONTACTED AND STATED THAT THERE WERE NO RECALLS FOR THE VEHICLE. THE VEHICLE WAS NEITHER DIAGNOSED NOR REPAIRED. THE FAILURE MILEAGE WAS 35,000 AND THE CURRENT MILEAGE WAS 39.416.

Exterior Lighting
Filed Jan 31, 201274,000 milesIN

I'M NOW 3 FOR 3 FAILURES WITH THE LIGHTING CONTROL MODULE ON MODEL AND YEAR CAR. INITIAL FAILURE MILEAGE WAS 74000, CURRENT MILEAGE 75500. INTERMITTANT LIGHTING FAILURES. PROBLEM IS NOW SO BAD CAR CAN NOT BE DRIVEN MORE THAN 10-15 MINUTES AT NIGHT BEFORE LIGHTS FAIL TO ILLUMINATE. I'VE REPLACED THE LCM ON ONE 2003 CROWN VIC, ONE 2003 MERC, AND NOW OUR OTHER 2003 MERC. OTHER NIGHT, I ALMOST HIT DEER A/C I HAD NO LIGHTS! THIS VEHICLE HAS NOT YET BEEN REPAIRED, BUT MUST BE SOON, AS PROBLEM HAS BEEN ESCALLATING. AS JUNK YARDS ARE OUT OF PARTS LOCALLY (I DO NOT USE PART 3W7T-13C788-AH AS THAT IS THE DEFECTIVE ONE! I USE AG - EVERYTHING WILL WORK BUT MAP LIGHTS AND THIS LCM WILL NOT FAIL.) I WILL HAVE TO LIKELY GET ONE OUT OF THE AREA. SO, MY EXPERIENCE ON THIS VEHICLE/YEAR IS 100% PART FAILURE. SOMEHOW, I THINK MY SAMPLE SIZE OF 3 IS STATISTICALLY SIGNIFICANT! *TT

Exterior Lighting
Filed Jan 25, 2012120,000 milesTX

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT WAS DRIVING APPROXIMATELY 70 MPH WITH THE HEADLIGHTS ACTIVATED AND UNEXPECTEDLY THE HEADLIGHTS FAILED TO ILLUMINATE. IMMEDIATELY, THE HIGH BEAM HEADLIGHTS WERE ENGAGED AND THE VEHICLE WAS MANEUVERED TO THE SIDE OF THE ROAD. THE CONTACT TURNED THE ENGINE OFF AND RESTARTED. THE HEADLIGHT CONTROL DEVICE WAS TURNED MANUALLY WHILE DRIVING IN ORDER FOR THE LOW BEAM HEADLIGHTS TO OPERATE. THE FAILURE OCCURRED INTERMITTENTLY. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED. THERE WAS AN OPEN INVESTIGATION ASSOCIATED WITH NHTSA ACTION NUMBER PE08066 (EXTERIOR LIGHTING: HEADLIGHTS) WHICH WAS CLOSED IN MARCH 24, 2009. THE MANUFACTURER WAS NOTIFIED OF THE MALFUNCTION. THE APPROXIMATE FAILURE MILEAGE WAS 120,000.

Exterior Lighting
Filed Jan 24, 201255,000 milesGA

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT AS DRIVING 70 MPH WHEN THE HEAD LIGHTS FAILED WITHOUT WARNING. THE CONTACT MENTIONED THAT THE FAILURE WOULD OCCUR SPORADICALLY AND THE LIGHTS WOULD RE-ILLUMINATE AFTER SEVERAL MOMENTS. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 55,000 AND THE CURRENT MILEAGE WAS 83,000.

Power Train
Filed Dec 29, 201152,000 milesFL

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS GS. THE CONTACT WAS DRIVING 35 MPH WHEN AN ABNORMAL NOISE WAS HEARD FROM UNDER THE VEHICLE. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR SHOP WHERE THE MECHANIC CONFIRMED THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 52,000 AND THE CURRENT MILEAGE WAS 54,000.

Exterior Lighting
Filed Dec 27, 2011127,000 milesTX

HEAD LIGHTS WHEN OFF. I TURNED THEM TO THE AUTO SETTING AND THEY WOULD WORK FOR A SHORT TIME AND GO OFF. THEN THEY WOULDN'T WORK NO MATER WERE YOU SET THEM. WIPER CAME ON BY THEMSELVES AND I HAD TO PULL THE FUSE TO STOP THEM, WHEN I NEEDED THE WIPERS I HAVE TO REPLACE THE FUSE. THEN WHEN I TRY TO TURN THEM OFF THEY STOP IN THE DRIVERS VIEW IF THEY STOP AT ALL. SOMETIMES THEY WOULD WORK RIGHT AND THEN NOT AT ALL. THE WIPER WATER PUMP WOULD NOT WORK EITHER. NOW IT'S WORKING AGAIN. *TR

Exterior Lighting
Filed Dec 19, 201184,700 milesMD

THE HEAD LIGHTS WILL TURN OFF WHILE DRIVING. THEY WILL THEN GO BACK ON AFTER AN INDETERMINATE PERIOD OF TIME. IT MAKES NO DIFFERENCE WHETHER THE LIGHT CONTROL SWITCH ON THE DASH IS ON AUTOMATIC OR NOT. THIS MAY HAPPEN ANY NUMBER OF TIMES EVEN DURING A SHORT TRIP. THE PROBLEM IS THE LIGHTING CONTROL MODULE FOR WHICH FORD HAS A NEWLY DESIGNED PART, BUT NO RECALL OR SERVICE BULLETIN. NEEDLESS TO SAY IT IS AN OBVIOUS SAFETY ISSUE TO HAVE YOUR LIGHTS GO OUT AND LOSE ALL FORWARD VISIBILITY, ESPECIALLY ON A RAINY NIGHT. I DON'T UNDERSTAND WHY THERE HAS NOT BEEN A RECALL ON SUCH AN OBVIOUS SAFETY HAZARD. *TR

Electrical System
Filed Nov 23, 201195,000 milesNY

WHILE DRIVING AT DUSK ON MY WAY HOME (WITH MY 5 YEAR OLD LITTLE GIRL!), MY HEADLIGHTS SHUT OFF WITHOUT WARNING! WE WERE FORTUNATE THAT SEVERAL DRIVERS IN THE ONCOMING LANE WERE CONCERNED AND CONSCIENTIOUS AND FLASHED THEIR HIGH BEAMS TO SIGNAL THAT SOMETHING WAS WRONG. DEDUCTIVELY, I RULED OUT MY LIGHTS BEING OFF BECAUSE THE SWITCH WAS ON. THAT WAS UNTIL THE TRAFFIC LIGHT TURNED RED AND I SAW NO REFLECTION ON THE BACK OF THE CAR IN FRONT OF ME! I FLIPPED THE SWITCH OFF THEN BACK ON AGAIN TO SEE IF IT WAS A BAD CONNECTION IN THE SWITCH OR PERHAPS IT WAS BETWEEN POSITIONS AND WOULD POSSIBLY WORK IF I REPOSITIONED IT. NO GOOD! UGH, THE LIGHT WENT GREEN! I NERVOUSLY PULLED AT THE BRIGHT LIGHT SELECTOR TO SEE IF THEY WORKED! JUST IN TIME TO BARELY MISS THE SUV THAT OBVIOUSLY DID NOT SEE US!!! I DID NOT LET IT GO UNTIL WE WERE SAFE AT HOME!!! PHEW!!! I GUESS NOW WOULD BE THE TIME TO CHANGE MY PANTS! *TR

Exterior Lighting
Filed Nov 1, 2011143,000 milesMI

THE HEADLIGHTS GO OUT, APPARENTLY THE LCM MODULE HAS FAILED. THEY WILL COME BACK ON INTERMITTENTLY. WHEN THE LIGHTS ARE OUT THE DRIVER HAS TO HOLD THE HIGH BEAM SWITCH FOR LIGHTING. FORD OUGHT TO VOLUNTARILY REPLACE THE LCM MODULES. *TR

Exterior Lighting
Filed Oct 28, 201177,000 milesNY

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT WAS DRIVING 5 MPH WHEN THE HEADLIGHTS ILLUMINATED ERRONEOUSLY. THE CONTACT STATED THAT THE LIGHTS WOULD SPORADICALLY FAIL WHEN ENGAGED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE WHO ADVISED THAT THERE WERE NO RECALLS FOR THE FAILURE AND OFFERED NO FURTHER ASSISTANCE. THE FAILURE MILEAGE WAS 77,000 AND THE CURRENT FAILURE WAS 89,000.

Exterior Lighting
Filed Sep 4, 201143,000 milesIL

HEADLIGHTS RANDOMLY TURN OFF WHILE DRIVING. LIGHTING CONTROL MODULE IS DEFECTIVE. *TR

Exterior Lighting › Headlights
Filed Aug 16, 2011103,000 milesFL

2003 MERC MARQUIS LOW BEAM LIGHTS WENT OUT AT 60MPH UNLIT RURAL ROAD. ALMOST CRASHED HAD I NOT RAISED HIGH BEAM LEVER ON STEERING COLUMN. LOW BEAM OPERATES INTERMITTENTLY. DIAGNOSED AS ELECTRONIC CONTROL MODULE FAILURE. ESTIMATED REPAIR COST $700. IF NO RECALL, SOMEONE WILL DIE. *KB

Exterior Lighting › Headlights
Filed Aug 7, 201192,000 milesLA

I OWN A 2003 MERCURY GRAND MARQUIS AND THE HEADLIGHTS WILL RANDOMLY DECIDE TO WORK OR NOT WORK. MOST TIMES THEY WORK FOR 3-5 MINUTES AND THEN JUST GO OUT.. THE RUNNING LIGHTS AND TURN SIGNALS STILL WORK. THE ONLY WAY TO SEE IS TO MANUALLY HOLD THE HIGH BEAM LIGHT IN POSITION WHILE DRIVING. *TT

Exterior Lighting
Filed Jul 19, 2011FL

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE HEADLIGHTS WOULD INTERMITTENTLY STOP ILLUMINATING, MOMENTS AFTER BEING TURNED ON. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE AUTO LAMP SWITCH FAILED. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 141,289.

Vehicle Speed ControlCrash
Filed Jul 15, 201150,400 milesTN

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED WAS ATTEMPTING TO PARK THE VEHICLE WHILE DRIVING 5 MPH IN A RESIDENTIAL DRIVEWAY WHEN THE VEHICLE ABNORMALLY ACCELERATED. THE CONTACT CRASHED INTO THE GARAGE OF HIS HOME. THE BRAKES WERE APPLIED DURING THE FAILURE BUT DID NOT RESPOND. THE CONTACT WAS UNINJURED YET THERE WAS EXTENSIVE DAMAGE TO THE VEHICLE. THE VEHICLE HAD NOT YET BEEN INSPECTED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 50,400.

Vehicle Speed Control
Filed Jul 12, 2011162,000 milesTX

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT SUDDEN ACCELERATION WAS EXPERIENCED IN THE VEHICLE. THE VEHICLE BEGAN GRADUALLY LUNGING FORWARD SPORADICALLY UNTIL IT BECAME HARDER FOR THE CONTACT TO STOP THE VEHICLE WHEN THE FAILURE OCCURRED. THE CONTACT STATED THAT ONCE PRESSURE WAS RELEASE FROM THE ACCELERATOR PEDAL, THE VEHICLE RAPIDLY ACCELERATED AT FULL FORCE. THE VEHICLE WAS NOT INSPECTED FOR THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 162,000.

Exterior Lighting
Filed Jul 7, 201149,400 milesIL

COMPLETE HEADLITE FAILURE. FAULTY LIGHTING CONTROL MODULE. TRAVELING HIGHWAY SPEED. NOW, I UNDERSTAND THAT MERCURYS ARE NO LONGER BEING MADE. HOW WILL A RECALL TAKE PLACE WHEN VEHICLE MAKE AND MODEL ARE NO LONGER BEING MANUFACTURED ? THERE'S NO INCENTIVE. FORD DEALERS KNOW HOW TO STICK IT TO YOU REALLY GOOD WITH NO GUARANTEE ON ELECTRICAL PARTS. *TR

Exterior Lighting
Filed Jun 18, 201186,850 milesIN

COMPLETE HEADLIGHT FAILURE - THIS IS SECOND OCCURRENCE FOR FAMILY - OTHER WAS IN 2003 FORD CROWN VICTORIA. SAME PROBLEM - LIGHTING CONTROL MODULE. PROBLEM IS STILL IN PART NUMBER 3W7C-1788-AH FOR 2003 MODEL YEAR. MILEAGE AT FAILURE WAS 86850. "FOUND" BY HAVING SOMEONE ELSE FLASH THAT MY LIGHTS WEREN'T ON ON WAY HOME FROM EVENT. THEY WERE ON WHEN CAR STARTED. WAS 10 MILES FROM HOME AT A LATE DUSK, MADE HOME W/O INCIDENT. ALSO HAVE ANOTHER 2003 MERCURY AND I GUESS I'M WAITING FOR IT TO FAIL TOO! (PERHAPS I SHOULD GET THE PART NOW?) 2003 FORD SOLD TO FRIEND. PART ACQUIRED (AG LETTERS- STAYING AWAY FROM AH - SAME PART WITH FAILURE IN BOTH OUR 2003'S) FROM JUNKYARD - FIRST 5 APPROPRIATE CARS WERE MISSING THE LCM - AND A GUY IN THE FIELD ASKED IF WE WERE LOOKING FOR A LCM? THIS IS A WELL KNOWN DEFECT. BOTH OLD PARTS STILL IN POSESSION. *TR

Exterior Lighting
Filed Jun 3, 2011113,057 milesFL

SEPT '10 DRIVING TO WORK AT 530 AM ON A RURAL ROAD, NO STREET LIGHTS, DOING SPEED LIMIT 60 MPH HEAD LIGHTS SUDDENLY WENT OFF, HEADLIGHTS DASH LIGHTS AND PARKING LIGHT.. REPLACED HEADLIGHT CONTROL MODULE. LIGHTS WORKED GOOD UNTIL JUNE 2ND 2011.. STARTED CAR UP WITH AUTO HEADLIGHTS ON LIGHTS SHOULD HAVE COME BUT ONLY PARKING LIGHTS. I PULLED BACK ON TURN SIGNAL STALK HIGH BEAMS WORK..IF I PUT THE REGULAR HIGH BEAMS ON NO NOTHING..SLAPPED UNDER DASH NEAR THE HEADLIGHT CONTROL MODULE AND LIGHTS STARTED WORKING. NOW I HAVE TO BUY ANOTHER MODULE..IF FORD WAS PAYING FOR IT THEY WOULD FIND A FIX FOR IT..TIME FOR A RECALL.. *TR

Exterior Lighting
Filed Apr 29, 2011115,000 milesVA

TL*THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 55 MPH ALL OF THE EXTERIOR LIGHTS WERE NOT FUNCTIONING. THE CONTACT DROVE ONTO THE SIDE OF THE ROAD, SHUT THE ENGINE OFF AND RESTARTED THE VEHICLE IN ORDER FOR THE LIGHTS TO FUNCTION. THE FAILURE OCCURRED INTERMITTENTLY. THE CONTACT STATED THAT HE PURCHASED A HEADLIGHT CONTROL SWITCH FROM THE MANUFACTURER AND REPLACED THE PART HIMSELF. THE FAILURE CONTINUED TO OCCUR. THE VEHICLE WAS NOT TAKEN TO THE DEALER OR MECHANIC FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE 115,000.

Exterior Lighting
Filed Apr 24, 201196,000 milesMS

I OWN A 2003 MERCURY GRAND MARQUIS. THE PROBLEM STARTED WITH MY HEADLIGHTS FLICKING ON AND OFF WHILE DRIVING AT NIGHT AND QUICKLY PROGRESSED TO TURNING OFF AND NOT COMING BACK ON AT ALL. I REPLACED THE DASHBOARD HEADLIGHT CONTROL AND THEY WORKED FOR ABOUT A WEEK AND THEN THEY STARTED TURNING OFF AGAIN WHILE DRIVING BUT IF I FLICKED MY HIGH BEAMS THEY WOULD COME BACK ON FOR ABOUT 15 MIN OR SO AND GO BACK OFF. AFTER A COUPLE OF DAYS OF THAT THEY JUST QUIT WORKING AT ALL. ONCE AGAIN I REPLACED THE DASHBOARD SWITCH TO NO AVAIL. *TR

Suspension › Rear
Filed Mar 22, 201140,000 milesCA

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT HEARD A LOUD GRINDING NOISE COMING FROM THE REAR AXLE. THE DEALER INFORMED THE CONTACT THAT THERE WERE NO RELATED RECALLS AND REPAIRED THE REAR AXLE. THE CONTACT DID NOT INFORM THE MANUFACTURER OF THE FAILURE. THE CURRENT MILEAGE WAS 55,500 AND THE FAILURE MILEAGE WAS 40,000. UPDATED 04/25/11 *BF SEVERAL MONTHS AGO, THE CONSUMER STARTED HEARING A NOISE WHEN DRIVING. IT SOUNDED LIKE THE RIGHT FRONT WHEEL BEARING. THE VEHICLE WAS TAKEN TO THE REPAIR SHOP AND THE MECHANIC STATED THE VEHICLE WOULD BE FINE TO DRIVE. SOON, THE NOISE BECAME WORSE. UPON INSPECTION, IT WA DISCOVERED THE PROBLEM WAS THE REAR AXLES. THE MECHANIC PULLED THE AXLES OFF AND FOUND BOTH HAD GROOVE CUTS IN THEM. THE CONSUMER BELIEVED HIS VEHICLE SHOULD HAVE BEEN INCLUDED IN THE RECALL AND HE BELIEVED IT WAS INADVERTENTLY MISSED. UPDATED 08/31/11

Exterior Lighting
Filed Mar 14, 201148,000 milesMO

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT WAS DRIVING APPROXIMATELY 55 TO 60 MPH WHEN THE HEAD LIGHTS AND THE INSTRUMENT PANEL LIGHTS FAILED WITHOUT WARNING. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSIS OR REPAIRS. THE CONTACT STATED THAT THE ELECTRONIC CONTROL MODULE FAILED AND THAT HE WOULD BE REPLACING THE COMPONENT HIMSELF. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND THE CURRENT MILEAGE WAS 48,000. THE LIGHTING MODULE WAS REPLACED. UPDATED 09/16/11*JB

Electrical System
Filed Feb 19, 201144,239 milesTN

THE HEADLIGHTS ON THE CAR JUST WENT OUT. IT HAPPENED MORE AND MORE FREQUENTLY AT RANDOM TIMES. MECHANIC SAYS IT IS THE LIGHTING CONTROL MODULE ( LCM ) .HE STATED THIS IS A COMMON PROBLEM FOR MY GRAND MARQUIS AND CROWN VICTOIAS THIS WOULD HAVE BEEN FATAL FOR MY FAMILY AND I IF WE WERE ON THE INTERSTATE TRAVELING AT NIGHT AT THE SPEED LIMIT.

Exterior Lighting
Filed Dec 27, 2010160,000 milesLA

THE AUTOMATIC EXTERNAL LIGHTS GO OFF OR DO NOT TURN ON AT ALL. *TR

Exterior Lighting
Filed Nov 30, 201089,000 milesPA

HEADLIGHTS FAILED WHILE DRIVING AT NIGHT, SHORTLY AFTER STARTING, 2-5 MINUTES. THIS HAPPENED WITH THE LIGHT CONTROL IN AUTOMATIC OR IN MANUAL MODES. AFTER PULLING OFF OF ROAD IN TRAFFIC, THE LIGHTS BEGAN WORKING WITHIN 2 OR 3 MINUTES, APPARENTLY THIS IS A COMMON DEFECT IN THIS AUTO. *TR

Exterior Lighting
Filed Nov 10, 2010109,000 milesMA

WHILE DRIVING ON A BACK ROAD ON MY WAY HOME FROM WORK, HEADLIGHTS WENT OUT AND COULD NOT BE TURNED BACK ON. HEADLIGHTS WERE IN THE AUTO MODE WHEN THEY WENT OUT, I SWITCHED TO MANUAL WHILE BRAKING SO NOT TO HIT ANYTHING HARD AND THEY DID NOT COME BACK ON. I PULLED OVER AND PARKED. I TRIED THEM AGAIN IN ABOUT FIVE MINUTES AND THEY WORKED FOR ABOUT 10 MINUTES AND THEN DID THE SAME THING. I HAVE NOT HAD THE CAR LOOKED AT YET, BUT ON THE INTERNET FOUND SEVERAL SIMILAR STORIES AND BELIEVE IT IS THE LIGHT CONTROL MODULE. I AM SHOCKED THERE HAS NOT BEEN A RECALL BASED ON ALL THE COMPLAINTS ONLINE ABOUT THE 2003 MERCURY GRAND MARQUIS, I'M GLAD I WASN'T ASLEEP AT THE WHEEL WHEN THIS HAPPENED TO ME! PLEASE DO SOMETHING ABOUT THIS, IT IS A SERIOUS PROBLEM!!! *TR

Exterior Lighting
Filed Nov 9, 2010122,000 milesWI

I AM HAVING A PROBLEM WITH MY HEADLIGHTS TURNING OFF WHILE DRIVING OR NOT TURNING ON AFTER I HAVE THE CAR OFF FOR A FEW MINUTES. ALL THE OTHER EXTERIOR LIGHTS WORK AT THIS TIME. I THOUGHT IT WAS ONLY HAPPENED WHEN I HAD IT IN AUTOMATIC LIGHTS BUT NOW IT HAPPENS WHEN I TURN THE LIGHTS ON MANUALLY TOO. SOMETIMES IF YOU MOVE THE BLINKER SWITCH AROUND THEY WILL COME BACK ON BUT OTHER TIMES THEY WON'T. I HAVE HAD TO DRIVE HOLDING THE THE BLINKER ARM BACK TO HAVE THE BRIGHTS ON SO I CAN MAKE IT HOME. IT STARTED IN JUNE AND HAPPENED VERY INTERMITTENTLY BUT NOW 5 MONTHS LATER IT IS HAPPENING EVERY TIME I DRIVE AT NIGHT.

Exterior Lighting
Filed Oct 27, 2010FL

HEADLIGHTS TURN OFF RANDOMLY. I DO NOT HAVE TO GO INTO DETAIL HERE JUST LOOK AT ALL THE OTHER COMPLAINTS FOR THE SAME PROBLEM. HARD TO BELIEVE THAT A RECALL HAS NOT BEEN ISSUED FOR A PART THAT CONTROLS THE HEADLIGHTS. *TR

Exterior LightingCrash
Filed Oct 22, 201098,000 milesMI

TL*THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS . THE CONTACT STATED THAT WHILE DRIVING 45 MPH AT NIGHT, THE LOW BEAM HEADLIGHTS SHUT OFF AND THE CONTACT CRASHED INTO A DITCH. THE FRONT AND REAR PASSENGERS TIRES WERE DAMAGED. THE CONTACT WAS NOT INJURED. THE DEALER WAS INFORMED ABOUT THE FAILURE AND THEY STATED THAT THEY NEVER HEARD OF THAT BEFORE. THE VEHICLE WAS NOT REPAIRED . THE FAILURE MILEAGE WAS 98000. THE CURRENT MILEAGE WAS 100000. UPDATED 01/11/2011*LJ THE CONSUMER STATED THE LOW BEAMS FAILED. UPDATED 02/28/11

Air BagsCrash1 injured
Filed Oct 5, 201085,000 milesVA

TL*THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 55 MPH THE VEHICLE WAS INVOLVED IN A SINGLE CAR CRASH IN WHICH THE AIR BAGS DID NOT DEPLOY AND THE DRIVER WAS THROWN FROM THE SEATBELT INTO THE REAR PASSENGER SEAT. THE POLICE APPEARED ON THE SCENE AND THE DRIVER WAS REPORTED INJURED. THE DRIVER SUSTAINED MAJOR INJURIES AND WAS TRANSPORTED BY AMBULANCE TO A HOSPITAL. THE VEHICLE WAS DESTROYED AND TOWED TO A SALVAGE YARD. THE VEHICLE WAS NOT EXAMINED TO DETERMINE THE CAUSE OF FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 85,000. UPDATED 02/07/11 *BF UPDATED 04/21/11

Steering
Filed Sep 26, 201054,000 milesTN

WHILE MAKING A TURN AT AN INTERSECTION IN MY 2003 MERCURY GRAND MARQUIS I FELT A POP IN MY STEERING WHEEL ,WHICH TOTALLY LEFT THE STEERING WHEEL SPINNING FREELY IN MY HANDS. WHATEVER BROKE WAS BETWEEN THE STEERING WHEEL AND THE FIREWALL,BECAUSE NOTHING MOVES UNDER THE HOOD. I WAS TRAVELING ABOUT 15 TO 20 MPH SO I WAS ABLE TO STOP BEFORE HITTING A DITCH. *TR

Exterior Lighting
Filed Sep 24, 201088,500 milesMI

HEADLIGHTS QUIT LCM AT FAULT. *TR

Electrical System
Filed Sep 21, 201075,000 milesAL

I HAVE TWO COMPLAINTS, MY FIRST COMPLAINT IS, I OWN A 2003 GRAND MARQUIS. I HAVE TO BE TO WORK @ 3 IN THE MORNING SO ONE DAY I WAS HEADED TO WORK ON A DARK ROAD AND ALL OF A SUDDEN MY LIGHT TURN OFF BY THEMSELVES. I PULLED OVER AND PLAYED WITH THE LIGHT SWITCH AND IT CAME BACK ON. THE NEXT DAY IT DID IT AGAIN, AND I REPEATED THE SAME STEPS. SO FOR THE THIRD DAY THEY DIDN'T COME ON AT ALL. I TOOK IT TO FORD THE SAME DAY AND THEY SAID IT WAS THE LCM, WHICH WOULD COST A ESTIMATED 750.00 DOLLARS TO REPLACE IT. I HAD TO HOLD THE BRIGHT LIGHTS TIL I SAVED ENOUGH MONEY TO GET IT REPLACED. MY OTHER COMPLAINT IS ABOUT THE A/C CLIMATE CONTROL UNIT, THIS IS ANOTHER MAJOR PROBLEM. ONE DAY ITS WAS WORKING FINE, THEN THE NEXT DAY IT WAS NOT BLOWING OUT THE PROPER VENTS , THEN EVENTUALLY IT STOP WORKING. I CAN FEEL A LITTLE AIR BLOWING OUT ONCE I HIT ABOUT 65 MPH ON THE FREEWAY. AGAIN I TOOK IT 2 FORD AND IT WOULD BE ANOTHER 650.00 TO REPLACE IT. I ASKED AROUND TOWN AND A LOT OF PEOPLE ARE HAVING THE SAME PROBLEMS. SOMETHING NEEDS TO BE DONE ABOUT THIS. IF YOU CHECK EBAY, THEY DO HAVE SERVICES THAT REBUILD BOTH THE LCM AND THE CLIMATE CONTROL UNIT FOR ANYWHERE BETWEEN 75.00 AND 200.00 DOLLARS. *TR

Exterior Lighting › Headlights
Filed Sep 20, 201060,000 milesFL

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE HEADLIGHTS ON THE VEHICLE WERE EXTREMELY DIM AND FOR APPROXIMATELY ONE YEAR. THE FAILURE PROGRESSED TO WHERE THE HEADLIGHTS WOULD ILLUMINATE AND THEN FAIL ALTOGETHER INTERMITTENTLY. THE VEHICLE WAS TAKEN FOR DIAGNOSIS AND THE MECHANIC DETERMINED THAT THE LIGHT CONTROL MODULE WAS DEFECTIVE AND WOULD NEED REPLACING. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 60,000 AND THE CURRENT MILEAGE WAS 84,000. UPDATED 03/15/11*LJ THE LIGHTING CONTROL MODULE WAS REPLACED. UPDATED 09/19/11

Exterior LightingCrash
Filed Sep 13, 201064,000 milesGA

I OWN A 2003 GRAND MARQUIS. I BOUGHT THE VEHICLE IN 2004 WITH 19,000 MILES ON IT. I HAVE LOVED THIS CAR IT IS GREAT TO DRIVE. TWO PROBLEMS I HAVE WITH THIS CAR IS THAT THE HUBCAPS ARE CRAP, THEY RATTLE WHEN I DRIVE, ONE CAME OFF COMPLETELY AND I HAD TO STOP AND GET IT. I AM NOW LOOKING TO REPLACE THEM. THE SECOND PROBLEM IS MY MAJOR CONCERN AND THAT IS LCM(LIGHTING CONTROL MODULE) I HAD AN ACCIDENT (MINOR) BUT I DID DAMAGE THE FRONT END. UPON COMPLETION OF THE REPAIRS, MY CAR STAYED AT REPAIR BECAUSE THE LIGHTS WOULD NOT WORK.WOW NOT COOL. I GOT THE CAR BACK AND DRIVING ONE EVENING MY LIGHTS WENT OUT. THE MECHANIC AND I HAVE TAKEN IT TO SEVERAL OTHER MECHANICS AND THE SWITCH WAS THOUGHT TO BE THE PROBLEM BUT AFTER TWO WEEKS AND SEVERAL MECHANICS, THE PROBLEM IS A $500.00 PROBLEM. I WAS TOLD NOT TO DRIVE WITH THE LIGHTS ON AUTOMATIC BECAUSE IT CAUSES THE INSIDE CASING TO HEAT UP. THE LCM (LIGHTING CONTROL MODULE) IS BAD, I WAS GIVEN SOME INFO OFF THE INTERNET AND THE MECHANIC SAID HE HAD JUST REPLACED THE LCM ON FOUR CARS THAT WEEK. THIS SHOULD NOT HAPPEN. I WAS TOLD THE AUTOMATIC LIGHT MECHANISM WAS NOT PERFECTED AND IT IS BEST TO DRIVE WITH THE AUTOMATIC LIGHTS OFF AND TO USE THEM MANUALLY. UNTIL I COULD REPLACE THE MODULE. I NEED MY VEHICLE AS I AM DISABLED AND I HAVE SPENT $2500, I DO NOT HAVE THE $500.00 PLUS LABOR TO REPLACE THE LCM. *TR

Exterior Lighting
Filed Sep 3, 201000

2003 MERCURY GRAND MARQUIS HEADLIGHT FAIL. EVERY OTHER THING IS WORKING. NOW THIS IS SERIOUS BECAUSE IT HAPPENS EVERY 5 MINUTES AND REMAINS FOR AT LEAST 10 MINUTES. CONFIRMED THAT THE LCM IS THE SOURCE OF PROBLEM. THIS IS A MISTAKE BY FORD AND THEY SHOULD PAY FOR IT AS I DISCOVERED MANY OWNERS HAS THE SAME PROBLEM. IS THERE ANY RECALL BY FORD FOR THIS ONE? *TR

Exterior Lighting
Filed Aug 18, 201045,000 milesFL

THE HEADLIGHTS GO OUT ON MY 2003 MERCURY MARQUIS WHILE DRIVING, THEY WILL GO ON AGAIN IF I SHUT DOWN THE CAR AND LET IT SIT FOR ABOUT 10 MINUTES, BUT THE ISSUE WILL OCCUR AGAIN ONCE I DRIVE FOR 15 - 20 MINUTES. THIS SEEMS LIKE A WIDE SPREAD PROBLEM IN THIS MAKE AND MODEL, I HAVE RESEARCHED IT ON THE INTERNET AND FOUND DOZENS OF COMPLAINTS ABOUT THIS ISSUE. *TR

Exterior Lighting
Filed Aug 17, 201031,000 milesFL

FACTS: I OWN A 2003 MERCURY GRAND MARQUIS THAT HAD TOTAL HEADLIGHT FAILURE WHILE DRIVING 55 MPH. ALTHOUGH I RAN OFF THE ROAD I WAS ABLE TO RECOVER WITH NO DAMAGE/INJURY/LOSS OF LIFE BECAUSE I WAS FAMILIAR WITH THE ROAD/THE CAR/AND SADLY, PREVIOUS EXPERIENCE WITH TOTAL HEADLIGHT FAILURE IN A PREVIOUS VEHICLE (2001 DODGE DURANGO). ONCE I STOPPED I CHECKED ALL OBVIOUS THINGS FOR FAILURE (BATTERY/FUSES/ETC) BUT SOON REALIZED I HAD PARKING LIGHTS/TURN SIGNALS/SIDE MARKER LIGHTS/DASH LIGHTS/TAIL LIGHTS/AND EVEN BRAKE LIGHTS...EVERYTHING EXCEPT HEADLIGHTS. I TRIED THE HIGH-BEAM POSITION AND NO LUCK THERE EITHER - UNTIL I PULLED THE MULTI-FUNCTION SWITCH TOWARD THE STEERING WHEEL TO THE "FLASH" THE HIGH-BEAM POSITION. I CONTINUED TO HOLD THE SWITCH IN THIS POSITION AND DRIVE WITH MY HIGH-BEAMS ON FOR THE FEW MILES I HAD LEFT TO MY DESTINATION. ONCE HOME I TURNED VEHICLE OFF GATHERED MY TEST EQUIPMENT AND BEGAN MY TROUBLESHOOTING JUST TO FIND OUT THAT NOW EVERYTHING WORKED AS ADVERTISED. THAT HELD TRUE FOR APPROX. 1500 MILES ' OR ABOUT 2 MONTHS (WITH INITIAL FAILURE AT APPROX 31,000 MILES) WHEN HEADLIGHTS FAILED AGAIN; AND NOW THEY EVEN FAIL INTERMITTENTLY AT ANY TIME TO INCLUDE DAYLIGHT HOURS. MY TROUBLESHOOTING REVEALED THE LIGHTING CONTROL MODULE (LCM) IS THE CAUSE OF FAILURE, BUT MORE IMPORTANTLY, MY INVESTIGATION REVEALED THIS IS A KNOWN FAILURE...BY LITERALLY HUNDREDS OF PEOPLE...TO INCLUDE YOU PEOPLE OF THE NHTSA. MY ANALYSIS TELLS ME THAT THE FAILURE IS PROBABLY NOT MILES RELA

Electrical System
Filed Aug 16, 2010128,000 milesOH

THE HEAD LIGHTS ON MY MERCURY GRAND MARQUIS GO OUT WHEN I DRIVE AT NIGHT. I HAVE SEARCHED THE WEB FOR SOLUTIONS TO THIS PROBLEM. IT TURNS OUT THIS IS A RECURRING PROBLEM WITH THOUSANDS OF OTHER OWNERS OF THIS MODEL. IT IS A SERIOUS ISSUE WHEN YOU ARE DRIVING ON COUNTRY ROADS OR ON THE INTERSTATE AND YOUR LIGHTS GO OUT AND YOU CAN'T SEE ANYTHING. THE LIGHTS USUALLY REMAIN OFF FOR ABOUT TEN MINUTES OR SO. MERCURY NEEDS TO BE RESPONSIBLE FOR THIS ISSUE BEFORE A SERIOUS ACCIDENT HAPPENS (IF ONE HASN'T ALREADY). *TR

Power Train › Axle Assembly › Axle Shaft › Seal
Filed Aug 5, 20108,000 milesVA

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THERE WAS AN ABNORMAL NOISE FROM THE REAR AXLE. THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE YET THE FAILURE PERSISTED. AT 15,000 MILES, THE CONTACT TOOK THE VEHICLE BACK TO THE DEALER WITH CONCERNS OF THE NOISE. AGAIN, THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. AT 23,000 MILES THE VEHICLE WAS TAKEN TO THE DEALER A THIRD TIME. THE DEALER ADVISED THAT THE REAR AXLE, BEARINGS, SEALS AND THE WHEEL SHAFT WOULD NEED TO BE REPLACED. THE REPAIR WAS COMPLETED AT THE CONTACT'S EXPENSE. THE FAILURE DID NOT PERSIST. THE FAILURE MILEAGE WAS 8,000 AND THE CURRENT MILEAGE WAS 27,000.

Vehicle Speed ControlCrash
Filed Jul 27, 201050,000 milesIL

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. WHILE TRAVELING AT 4 MPH, THE CONTACT APPLIED THE BRAKES AND THE VEHICLE INDEPENDENTLY ACCELERATED. THE CONTACT CRASHED INTO ANOTHER VEHICLE AS A RESULT. THERE WERE NO INJURIES. ON A LATER DATE, WHILE PARKING IN A RESIDENTIAL GARAGE, THE CONTACT DEPRESSED THE BRAKES AND THE VEHICLE ABNORMALLY ACCELERATED. THE VEHICLE CRASHED INTO THE GARAGE WALL AND THROUGH THE MASTER BATHROOM OF THE HOME. THE CONTACT SUSTAINED INJURIES TO HER PELVIS FROM ATTEMPTING TO APPLY EXTREME FORCE TO THE BRAKE. A POLICE REPORT WAS AVAILABLE. THE VEHICLE WAS NOT DIAGNOSED FOR THE UNINTENDED ACCELERATION FAILURE. THE FAILURE MILEAGE WAS 50,000 AND THE CURRENT MILEAGE WAS 90,000.

Exterior Lighting
Filed Jul 21, 201065,000 milesMN

HELLO, WE HAVE A 2003 MERCURY GRAND MARQUIS THAT HAS A PROBLEM WITH THE HEAD LIGHTS SHUTTING OFF AT RANDOM TIMES. NOTHING GAVE WARNING TO THIS PROBLEM HAPPENING, WE BOUGHT THE CAR USED, AND WAS JUST FINE FOR A YEAR, THEN ALL OF A SUDDEN ONE DAY THE HEADLIGHTS JUST GO OUT. THE FIRST TIME IT HAPPENED WAS ABOUT 6 MONTHS AGO(3-1-10). NOW EVERYTIME IT IS DRIVEN WITH THE HEADLIGHTS ON, IT IS GUARANTEED TO HAPPEN AT LEAST ONCE AND SOMETIMES UP TO 5 TIMES JUST IN 3 MILES OF DRIVING ON MY WIFE'S WAY HOME FROM WORK. THE ONLY WAY TO GET THE LIGHTS BACK ON AFTER THEY GO OUT IS TO PULL OVER TO THE SIDE OF THE ROAD, SHUT THE CAR OFF, LET SIT FOR A FEW MIN, THEN START AND THEY WORK AGAIN FOR A BIT. THIS IS OVERALL VERY DANGEROUS AND SURPRISING THAT WE HAVE NOT BEEN IN AN ACCIDENT OR RECEIVED A TICKET YET! I AM A ACTIVE MEMBER ON A CROWN VICTORIA FORUM, AND WITH LITTLE SEARCHING ON THAT SITE OR GOOGLE YOU WILL SEE TONS OF REPORTS OF THIS BEING A VERY COMMON PROBLEM ON THE 2003-2005 CROWN VICTORIA, GRAND MARQUIS, AND MERCURY MARAUDER. WITH THE HELP OF OTHER MEMBERS ON THAT FORUM IT WAS FOUND TO BE A FAULTY LCM(LIGHTING CONTROL MODULE) WHICH HAS A PROBLEM WITH OVERHEATING LIGHTING RELAYS. THE ONLY WAY TO REMEDY THIS PROBLEM IS TO PURCHASE A NEW LCM FOR ANYWHERE BETWEEN $250 AND $600 WITH NO GUARANTEE HOW LONG THAT PART WILL LAST. I ACTUALLY PURCHASED A NEW ONE TODAY. VERY EXPENSIVE FIX JUST FOR THE USE OF HEADLIGHTS, BUT I VALUE MY FAMILIES SAFETY MORE. I WILL BE KEEPING MY OLD LCM TO POSSIBLY

Electrical System › Alternator/Generator/RegulatorFire
Filed Jul 6, 201063,073 milesFL

TL*THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT WAS DRIVING APPROXIMATELY 30 MPH WHEN THE VEHICLE STALLED WITHOUT WARNING. THERE WAS A STRONG BURNING ODOR INSIDE OF THE VEHICLE. THE CONTACT INSPECTED UNDERNEATH THE HOOD AND FLAMES EXCESSIVELY IGNITED FROM THE ENGINE COMPARTMENT. THERE WERE TWO BYSTANDERS WHO EXTINGUISHED THE FIRE WITH BOTTLES OF WATER. THERE WERE NO INJURIES. THE FIRE DEPARTMENT ARRIVED AND A REPORT WAS FILED WITH NO PERSONAL INJURIES. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER AND THE TECHNICIAN STATED THAT THE FAILURE WAS CONTRIBUTED TO THE ALTERNATOR. THE BATTERY, ALTERNATOR AND ELECTRICAL SYSTEM WERE REPLACED. THE FAILURE MILEAGE WAS 63,073.

Exterior Lighting
Filed Jul 1, 201062,127 milesAR

MY 2003 MERCURY GRAND MARQUIS BEGAN EXPERIENCING HEADLIGHT FAILURE OVER A PERIOD OF MONTHS, WITH BOTH LOWER BEAMS RANDOMLY GOING OFF AND THEN AFTER SEVERAL MINUTES OR HOURS COMING BACK ON. OTHER INTERNAL LIGHTS AND LIGHT SENSORS CONTINUED TO WORK NORMALLY. THIS HAPPENED SEVERAL TIMES WHILE DRIVING ON AN UNLIGHTED ROAD AT NIGHT, CREATING A DANGEROUS SITUATION, UNABLE TO SEE THE ROAD AHEAD OR OTHER CARS SEEING ME COMING. NHTSA ACTION NUMBER PE08066 DESCRIBES A SIMILAR PROBLEMS CAUSED BY A DEFECTIVE PRINTED CIRCUIT BOARD IN THE LIGHT CONTROL MODULE (LCM), RESULTING IN SEVERAL THOUSAND WARRANTY CLAIMS. IN FACT, THIS HAS BEEN DETERMINED TO BE THE DEFECTIVE PART ON MY CAR, WHICH HAS NOW BEEN REPLACED BY A FORD DEALER AT A COST OF $511.07 FOR THE LCM PLUS $184.97 LABOR AND TAX. FORD ADVISES ME THAT MY CAR WAS NOT IN THE RECALL CAMPAIGN, BUT OBVIOUSLY IT HAS DEVELOPED THE SAME PROBLEM. AN UPGRADED PART LCM HAS BEEN DEVELOPED BY FORD FOR REPLACEMENT. I BELIEVE I SHOULD HAVE BEEN NOTIFIED OF THIS EARLIER FOR REPLACEMENT SO I WOULD NOT HAVE EXPERIENCED THIS DANGEROUS SITUATION. THE ODI INVESTIGATION WAS CLOSED 3/24/09. I BELIEVE IT SHOULD BE REOPENED AS DEALERS TELL ME THAT THEY REPLACE "LOTS" OF THESE MODULES. I HAVE RETAINED THE DEFECTIVE LCM FOR ANALYSIS. *TR

Exterior Lighting
Filed Jun 26, 201076,000 milesVA

WHILE DRIVING MY 2003 MERCURY MARQUIS ONE EVENING, MY HEADLIGHTS WENT OUT. I TRIED TURNING THE SWITCH ON THE DASHBOARD TO THE HEADLIGHT POSITION BECAUSE ORIGINALLY IT WAS ON THE SENSOR POSITION, BUT THEY DIDN'T COME BACK ON. NO MATTER WHAT I DID, THEY REMAINED OFF. FROM THAT NIGHT ON, MY HEADLIGHTS WORK SPORADICALLY. SOMETIMES THEY'LL COME ON RIGHT AWAY AND THEN GO OUT WHILE DRIVING. SOMETIMES THEY'LL COME ON IN THE DAYLIGHT WITH THE SWITCH IN THE OFF POSITION. IT'S VERY SCARY WHEN YOU'RE DRIVING DOWN A BACK COUNTRY ROAD WHERE THERE'S NO STREET LIGHTS AND YOUR HEADLIGHTS GO OUT. THE ONLY WAY I COULD GET LIGHT WAS TO HOLD BACK ON THE HIGH BEAM LEVER. THAT WAS WEIRD TOO BECAUSE THE HIGH BEAMS WOULDN'T WORK WHEN I PUT THE LEVER IN THE ON POSITION, ONLY WHEN I PULLED BACK ON THE LEVER WHICH PUTS THE HIGH BEAMS ON FOR AS LONG AS YOU HOLD THE LEVER. ONE NIGHT I DROVE FOR ABOUT 5 MILES AND THE HEADLIGHTS STAYED ON THE WHOLE TIME. THERE'S JUST NO KNOWING WHEN THEY'RE GOING TO WORK, AND IF THEY DO, HOW LONG THEY'LL STAY ON. I UNDERSTAND IT'S GOING TO BE VERY EXPENSIVE TO FIX THE PROBLEM, BUT I DON'T HAVE $800 SO HAVEN'T HAD IT REPAIRED YET. I JUST DON'T DRIVE AFTER DARK, WHICH IS VERY INCONVENIENT! *TR

Exterior Lighting › Headlights
Filed Jun 25, 201058,000 milesRI

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THE HEADLIGHTS WOULD SHUT OFF WITHOUT WARNING. THE CONTACT STATED HE WAS ADVISED BY A CERTIFIED MECHANIC THAT THE LIGHT CONTROL MODULE WAS DEFECTIVE AND CAUSING THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 58,000 AND THE CURRENT MILEAGE WAS 58,500.

Exterior Lighting › Headlights
Filed Jun 9, 201045,000 milesNJ

TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING, THE HEADLIGHTS SUDDENLY TURNED OFF. THE LIGHTS ON THE INSTRUMENT PANEL STAYED LIT BUT THE HEADLIGHTS AND HIGH BEAMS TURNED OFF COMPLETELY. THE VEHICLE WAS TAKEN TO A REPAIR SHOP WHERE A MODULE LOCATED INSIDE A BLACK BOX NEAR THE ACCELERATOR PEDAL WAS REPLACED. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 45,000.

Reading these

NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.

Full record for the 2003 Mercury Grand Marquis → · Every Grand Marquis year → · How the figures are calculated →