There are 7 owner-reported visibility & wipers complaints for the 2004 Mercury Grand Marquisin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2004 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE WINDSHIELD WIPERS AND THE WASHER ACTIVATED WITH NO WARNING SEVERAL TIMES. THE CONTACT HAD A MECHANIC REPLACE THE WIPER MOTOR TWICE BUT THE FAILURE RECURRED. THE CONTACT WAS TO DETERMINE IF THE MECHANIC WOULD REPLACE THE PART A THIRD TIME OR HAVE THE REPAIRS PERFORMED BY A DEALER. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000. UPDATED 06/29/16*LJ *CN
I WAS DRIVING HOME WITH MY WIFE AND WIPERS CAME ON IN DELAY MODE BY THEMSELVES WITHOUT ME TOUCHING ANYTHING . I CALLED MY DEALER AND WAS TOLD THAT THEY THOUGHT IT WAS THE WIPER MOTOR OR THE MULTI FUNCTION SWITCH . FIRST I REPLACED MULTI FUNCTION SWITCH AND THE SAME ISSUE WIPER CAME ON IN DELAY MODE . I THEN REPLACED THE WIPER MOTOR AND THAT WORKED UNTIL 3/19/14 WHILE I TOOK MY CAR OUT FOR MY 31ST WEDDING ANNIVERSARY WITH MY WIFE WE WERE DRIVING TO GO TO DINNER AND MY WIPER CAME ON ONCE AGAIN AT THIS POINT I AM SO OUTRAGED AT THIS BECAUSE I JUST PUT NEW WIPER BLADE ON 2 DAYS BEFORE AND THEY JUST STARTED GOING ON IN THE SAME WAY AS BEFORE IN DELAY MODE . I ONCE AGAIN HAVE TO LOOK INTO THIS WIPER ISSUE AND I AM SICK TO DEATH NOTHING EVER GETS RECALLED OR THE COST TAKEN BY FORD FOR THE MANY ISSUES WITH THIS CAR. THERE IS NOW 44000 MILE ON A CAR I ONLY USE WHEN IT'S NICE OUT AND THIS IS JUST ONE MORE PROBLEM TO DEAL WITH AGAIN . *TR
THE "ACTUATOR" THAT ALLOW HOT AIR TO FLOW INTO THE CAR FOR HEAT MALFUNCTIONS AND WILL NOT MOVE. YOU CAN NOT DEFROST THE WINDSHIELD RESULTING IN ZERO VISIBILITY WHILE DRIVING IN THE COLD. *TR
WINDSHIELD WIPERS ON MY 2004 MERCURY GRAND MARQUIS BEGAN OPERATING ERRATICALLY TWO MONTHS AFTER THE VEHICLE WAS OUT OF WARRANTY. INITIALLY THEY TURNED ON BY THEMSELVES AND COULD NOT BE TURNED OFF; A WEEK LATER I COULD NOT TURN THEM ON AT ALL EXCEPT IN THE VERY HIGH SETTING. FINALLY, 1-2 WEEKS LATER THEY WOULDN'T TURN ON AT ALL. ALL OF THIS ERRATIC OPERATION HAPPENED WITHIN A 3 TO 4 WEEK PERIOD SEEMINGLY AT COMPARATIVELY LOW TEMPERATURES (15 TO 30 DEGREES FAHRENHEIT). THE DEALER RECOMMENDED REPLACING A SWITCH ON THE STEERING COLUMN FOR $350, BUT THIS DID NOT PERMANENTLY SOLVE THE PROBLEM. THEN THEY RECOMMENDED REPLACING THE WINDSHIELD WIPER MOTOR FOR ANOTHER $350. SO FAR THIS APPROACH SEEMS TO HAVE ALLEVIATED THE PROBLEM, BUT SUCH AN OUTLAY 2 MONTHS OUT OF WARRANTY IS INEXCUSABLE, WITHOUT A RECALL AND FREE REPAIR, GIVEN FORDS APPARENTLY GENERIC PROBLEM WITH ERRATICALLY OPERATING WIPERS ON THEIR OTHER PRODUCTS. FORTUNATELY, I WAS NOT IN ANY DANGEROUS SITUATIONS (SNOW OR RAIN STORMS, ETC.) WHERE MY IMMEDIATELY SAFETY DEPENDED ON THE RELIABLE OPERATION OF THE WIPERS, BUT THIS IS A POTENTIALLY DANGEROUS CONDITION AND AN INEXCUSABLE CASH OUTLAY FOR CONSUMERS. *TR
THE RIGHT WINDSHIELD WIPER BROKE OFF THE ARM WHILE DRIVING AND FLEW OFF THE VEHICLE. THE ARM AND WINDSHIELD WIPER HAD TO BE REPLACED.
THE RIGHT WINDSHIELD WIPER BROKE OFF THE ARM WHILE DRIVING AND FLEW OFF THE VEHICLE. THE ARM AND WINDSHIELD WIPER HAD TO BE REPLACED. THE FOLLOWING VEHICLES HAD THE SAME PROBLEM. VEHICLE #1 [XXX] 2004 GS MERCURY MARQUIS 06/24/05 VEHICLE #2 [XXX] 2004 GS MERCURY MARQUIS 06/26/05 *JS INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
DURING A RAIN STORM WINDSHIELD WIPERS STOPPED WORKING. CONSUMER HAD TO PULL OFF OF THE ROAD. CONSUMER WAS ABLE TO GET THEM TO WORK INTERMITTENTLY, AND WISHED TO HAVE THE MANUFACTURER MAKE THE REPAIRS .*AK THE VEHICLE WAS TAKEN TO THE DEALER BUT THEY WERE UNABLE TO DUPLICATE THE PROBLEM. *BF *NM
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.
Data synced from NHTSA on Apr 25, 2026