Total Complaints
42 filings
MERCURY MARQUIS · model year
42 NHTSA complaints, 4 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2003MERCURYMARQUIS carries 42 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 4 crashes, 1 fire, 4 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2003 MARQUIS is exterior lighting with 7 filings, followed by electrical system (3) and vehicle speed control (3). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 22 investigation files overlapping the 2003 MARQUIS. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
42 filings
Crashes Reported
4 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| EXTERIOR LIGHTING | 7 |
| ELECTRICAL SYSTEM | 3 |
| VEHICLE SPEED CONTROL | 3 |
| VEHICLE SPEED CONTROL:ACCELERATOR PEDAL | 2 |
| SERVICE BRAKES, HYDRAULIC | 2 |
| SUSPENSION | 2 |
| VISIBILITY:WINDSHIELD WIPER/WASHER | 2 |
| SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES | 2 |
| SUSPENSION:REAR | 2 |
| STEERING | 2 |
| EXTERIOR LIGHTING:HEADLIGHTS | 1 |
| STEERING: STEERING WHEEL/HANDLE BAR | 1 |
| VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM | 1 |
| FUEL SYSTEM, GASOLINE | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 1 |
TL* THE CONTACT OWNS A 2003 MERCURY MARQUIS. THE CONTACT STATED THAT THE POWER STEERING WOULD SEIZE. WHEN THE CONTACT TURNED OFF AND RESTARTED THE VEHICLE, THE POWER STEERING OPERATED NORMALLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT THE FAILURE COULD NOT BE DUPLICATED. THE DEALER AND MANUFACTURER WERE CONTACTED. THE FAILURE MILEAGE WAS 66,000. THE VIN WAS UNKNOWN. *BF CONSUMER HAS REPAIRED THE VEHICLE.*JB
Mileage: 66,000
STEERING REQUIRED SIGNIFICANT EFFORT TO TURN STEERING PAST APPROXIMATELY 30-45 DEGREES AT THE STEERING WHEEL. THIS REQUIRED REPLACEMENT OF THE UPPER AND LOWER STEERING COLUMNS. LESS THAN ONE MONTH AFTER REPLACEMENT, STEERING NOW HAS A "JUMP" AND A "CLUNK" AT THE SAME POSITION IN THE STEERING WHEEL ROTATION. THESE ISSUES WHERE NOTICED WHEN THE VEHICLE WAS IN MOTION. IF STATIONARY, IT WAS EXTREMELY DIFFICULT TO GET THE STEERING TO TURN AT ALL BEYOND 30-45 DEGREES.
Mileage: 60,000
IN FIRESTONE STORE PARKING AREA PERPENDICULAR TO SERVICE FOR ATTENDANT TO FILL THE RT FRT TIRE. PULLED UP TO ATTENDANT , APPLIED BRAKES AND VEH SURGED AHEAD, STRUGGLED TO CONTROL TO NO AVAIL. MADE DIFFUCULT U TURN TO AVOID DRV INTO STREET TRAFFIC, CRASHED OTHER VEH, CONT'D ON JUMPING 2 INSIDE PK CURBS STOPPING AS FRAME STOPPED RES ON CURB
Mileage: 60,000
JAN 2016 GOT A RECALL NOTICE ON THE CAR JUNE CALLED LOCALL DEALER. THERE RESPONSE IS THEY DIDN'T. KNOW ANYTHING ABOUT THE RECALL WHICH WAS THAT THE HEADLIGHTS COULD GO WHILE DRIVING AT NIGHT.
JAN 2016 GOT A RECALL NOTICE ON THE CAR JUNE CALLED LOCALL DEALER. THERE RESPONSE IS THEY DIDN'T. KNOW ANYTHING ABOUT THE RECALL WHICH WAS THAT THE HEADLIGHTS COULD GO WHILE DRIVING AT NIGHT.
MY CAR FAILED INSPECTION DUE TO AN EROSION IN THE FRAME. I WAS TOLD THAT IT WAS THE RESULT OF THE AIR CONDITIONER CONDENSATION DRIPPING ON IT. AS THERE WAS NO ISSUE IN 2014 AND I DROVE THE CAR FEWER THAT 8000 MILES IN THE YEAR, I AM CONCERNED ABOUT THIS ISSUE. THE CAR IS GARAGED AT ALL TIMES AND WAS DRIVEN VERY INFREQUENTLY IN THE WINTER MONTHS. I HAVE HAD IT REPAIRED AND IT HAS NOW PASSED INSPECTION.
Mileage: 138,000
I HAVE READ MANY COMPLAINTS ABOUT THIS. MY HEADLIGHTS GO OFF ABOUT 3 BLOCKS FROM HOME AND THEN I HAVE TO PULL THE LEVER BACK AND HOLD IT TO PUT ON BRIGHT LIGHTS. I HAVE BEEN LUCKY AND NOT BEEN FAR FROM HOME AND HAVE TO HOLD BRIGHTS ON, STEER AND OPERATE BLINKERS ALL AT ONE TIME. I CANNOT BELIEVE THIS HAS NOT CAUSED A SERIOUS ACCIDENT. I AM IN PROCESS OF HAVING AN EXPENSIVE LIGHTING MODULE PUT IN MY CAR. I TOTALLY RESENT THEM NOT DOING A RECALL ON THIS. WHAT ARE THEY WAITING FOR? IT IS AN EXPENSIVE PROCEDURE AND I WILL BE WAITING TO GET A REFUND WHEN THEY FINALLY ADMIT THERE IS A WIDESPREAD PROBLEM. HATE FOR THEM TO WAIT UNTIL THERE ARE X NUMBER OF DEATHS OR SERIOUS INJURIES. SHAME ON THEM. *TR
Mileage: 122,000
TL* THE CONTACT OWNS A 2003 MERCURY MARQUIS. THE CONTACT STATED WHILE DRIVING VARIOUS SPEEDS AT NIGHT, THE HEADLIGHTS FAILED TO ILLUMINATE. THE VEHICLE WAS DRIVEN WITH CAUTION AND THEN THE HEADLIGHTS BEGAN TO FUNCTION. THE FAILURE RECURRED TWICE. THE FAILURE WAS NOT DIAGNOSED NOR WAS THE VEHICLE REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 44,500.
Mileage: 44,500
HEADLIGHTS WOULD NOT TURN ON WHEN I GOT INTO CAR TO GO TO STORE AT NIGHT. ALSO BATTERY HAS BEEN RUNNING DOWN WHILE VEHICLE IS JUST SITTNG IN DRIVEWAY. *TR
Mileage: 48,342
HEADLIGHTS WOULD NOT TURN ON WHEN I GOT INTO CAR TO GO TO STORE AT NIGHT. ALSO BATTERY HAS BEEN RUNNING DOWN WHILE VEHICLE IS JUST SITTNG IN DRIVEWAY. *TR
Mileage: 48,342
TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE HEADLIGHTS WOULD FLICKER ON AND OFF SPORADICALLY. THE DEALER REPAIRED THE FAILURE BY REPLACING THE CONTROL MODULE. THE MANUFACTURER WAS NOTIFIED, BUT DENIED ANY ASSISTANCE WITH REPAIRS TO THE DEFECT. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 150,000 AND THE CURRENT MILEAGE WAS 152,484.
Mileage: 150,000
FRONT HEADLIGHTS ARE NOT STAYING ON AT NIGHT. THE SENSOR SEEMS TO BE FAILING OR WHATEVER CONTROLS THE HEADLIGHTS. WHEN I AM DRIVING AT NIGHT THE LIGHT WILL COME ON AT DUSK, BUT SOMETIMES WITHOUT AN WARNING THEY WILL JUST POP OFF. FOR THIS REASON, I AM FEARFUL OF DRIVING AT NIGHT OR IN ANY HAZARDOUS DRIVING CONDITIONS
Mileage: 193,000
TL*THE CONTACT OWNS A 2003 MERCURY MARQUIS. THE CONTACT STATED THAT THE HEADLIGHTS AND TURN SIGNALS FAILED WHILE HE WAS DRIVING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO STATED THAT THE HEADLIGHT MODULE WAS DEFECTIVE. IT WAS REPLACED SEVERAL TIMES BUT THE FAILURE CONTINUED. THE CONTACT CALLED THE MANUFACTURER WHO OFFERED NO ASSISTANCE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 3,000 AND THE CURRENT MILEAGE WAS 70,000.
Mileage: 3,000
TL*THE CONTACT OWNS A 2003 MERCURY MARQUIS. THE CONTACT STATED THE REAR AXLE AND BEARINGS FAIL. THE CONTACT STATED WHILE DRIVING THE VEHICLE HE HEARD A LOUD NOISE COMING FROM THE REAR OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND THEY REPLACE THE AXLE AND BEARINGS. THE MERCURY MANUFACTURE WAS CALLED AND STATED THERE IS NO RECALL OR WARRANTY FOR HIS VEHICLE. THE FAILURE MILEAGE WAS 40,255. UPDATED 3/12/10 *CN UPDATED 06/25/10.*JB
Mileage: 40,255
TL*THE CONTACT OWNS A 2003 MERCURY MARQUIS. THE CONTACT SMELLED A BURNING ODOR COMING FROM THE VEHICLE FOR SEVERAL DAYS. WHILE HE WAS CHANGING THE REAR PASSENGER SIDE TIRE, HE DISCOVERED A GREASE LEAK. THE VEHICLE IS CURRENTLY AT THE DEALER AND THEY CONFIRMED THAT THE REAR PASSENGER SIDE BEARING LEAKED INTO THE BRAKE DISC, WHICH COULD HAVE CAUSED A FIRE. THE MANUFACTURER STATED THAT THEY ONLY REPAIRED POLICE VEHICLES WITH THIS FAILURE. THE CURRENT AND FAILURE MILEAGES WERE 112,000.
Mileage: 112,000
DT*: THE CONTACT STATED WHILE ATTEMPTING TO APPLY BRAKE PRESSURE THE VEHICLE ACCELERATED. THE DEALERSHIP WAS ALERTED HOWEVER NO REPAIRS HAVE BEEN MADE. THE CONSUMER BELIEVED THE BRAKE AND ACCELERATOR WERE DESIGNED TOO CLOSE TOGETHER. UPDATED 04/06/06. *JB
Mileage: 50,000
DT*: THE CONTACT STATED WHILE ATTEMPTING TO APPLY BRAKE PRESSURE THE VEHICLE ACCELERATED. THE DEALERSHIP WAS ALERTED HOWEVER NO REPAIRS HAVE BEEN MADE. THE CONSUMER BELIEVED THE BRAKE AND ACCELERATOR WERE DESIGNED TOO CLOSE TOGETHER. UPDATED 04/06/06. *JB
Mileage: 50,000
2003 FORD MERCURY MARQUIS LOST ALL POWER AND HAD TO BE TOWED. *TS *JB
Mileage: 36,815
DT: THE CONTACT COMPLAINED ABOUT INTERMITTENT SUDDEN ACCELERATION. IT OCCURRED WHEN THE CLIMATE WAS HOT, AND THE ENGINE WAS WARM. WHEN TAKING FOOT OFF OF THE ACCELERATOR TO MOVE IT TO THE BRAKE PEDAL THE ENGINE REVVED AND THE RIPENS WAREHOUSE. THE DEALER COMPLETED DIAGNOSTIC TESTING, AND THE PROBLEM COULD NOT BE DUPLICATED. NO REPAIRS HAVE BEEN MADE. *AK
Mileage: 100
DT: THE CALLER STATES THAT WHILE HE DRIVING AT 65 MPH HIT SOMETHING IN THE ROAD. THERE WAS A LOUD NOISE AND THIS CAUSED A HOLE IN THE GAS TANK. THE CALLER SAID A LOCAL MECHANIC DID A QUICK FIX WITH A SCREW AND SOME GLUE SO HE COULD GET HOME. DEALER SAID IT WOULD COST A LOT MORE TO REPLACE THE TANK WITH THEM AND HE WENT TO SOMEONE ELSE TO HAVE IT REPLACED FOR A CHEAPER PRICE. MANUFACTURER HAS NOT BEEN CONTACTED YET. *AK
Mileage: 21,420
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.