There are 10 stored owner reports matching the electrical system leading-label group for the 2002 Mercury Mountaineer in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 10 of 10 matching reports.
Open the full vehicle complaint log (all categories)MY POWER WILL STAY ON FOR LONG PERIODS OF TIME ALSO I'M HAVING AN ACCELERATION PROBLEM WHEN I DRIVE I HAVE TO WAIT FOR IT TO GO TO ABOUT 25 MI TILL 26 FOR IT TO PICK UP ANY SPEED IT TAKES A VERY LONG TIME FOR IT TO PICK UP ANY SPEED IN THE 1ST PLACE.
I PURCHASED A VEHICLE ON MARCH 11, 2017 FROM A DEALERSHIP NAMED REDEFINED AUTO SALES IN SKOKIE, IL. SINCE I HAVE PURCHASED THIS VEHICLE, I HAVE SPENT OVER $1,500 IN COSTS FOR REPAIRS TO THIS VEHICLE, BEGINNING WITH I HAD TO GET AN OIL CHANGE ON THE SAME DAY THAT I PURCHASED THE VEHICLE BECAUSE THE CHANGE OIL REQUIRED LIGHT CAME ON AS SOON AS I EXITED THE EXPRESSWAY IN ROUTE FROM THE DEALERSHIP. ALSO, AS I WAS EN ROUTE FROM THE DEALERSHIP, ON THE EXPRESSWAY A MOTORIST TRIED TO CUT ME OFF AND THAT IS WHEN I FOUND OUT THAT THE HORN WAS NOT WORKING. THINGS HAVE JUST WENT DOWNHILL FROM THERE.
TL* THE CONTACT OWNS A 2002 MERCURY MOUNTAINEER. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 20 MPH AND SUDDENLY ALL OF THE INSTRUMENTAL PANEL LIGHTS INCLUDING THE "DOOR AJAR" LIGHT ILLUMINATED ON AND OFF THEN SUDDENLY THE VEHICLE STALLED . IMMEDIATELY AFTER THE FAILURE OCCURRED THE CONTACTS DOME LIGHTS DID NOT DISENGAGE. THE CONTACT TOOK HER VEHICLE TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE MECHANIC STATED THAT THE FAILURE WAS CAUSED BY AN UNKNOWN ELECTRICAL FAILURE. BOTH THE DEALER AND MANUFACTURER WERE NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 150,000.
THE CAR WOULD HAVE A WARNING DISPLAY THAT A DOOR WAS AJAR AND WE WOULD CHECK ALL THE DOORS AND RE-CLOSE THEM ALL AND THE WARNING WOULD STILL APPEAR. THEN WE WOULD CHECK THE LIFT GATE WINDOW ON THE BACK AND RE-CLOSE IT AND THE DISPLAY WOULD GO AWAY, BUT THE LIFT GATE WAS CLOSED THE WHOLE TIME BEFORE. IT CONSTANTLY DOES THIS AND NOW THE LIFT GATE HAS A CRACK IN IT. *TR
TL*THE CONTACT OWNS A 2002 MERCURY MOUNTAINEER. THE CONTACT STATED THAT THE WIRING HARNESS IN THE DOOR WAS EXPOSED. THE VEHICLE HAD NOT BEEN INSPECTED OR REPAIRED. THE CONTACT CALLED THE MANUFACTURER WHO OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 90,000 AND THE CURRENT MILEAGE WAS APPROXIMATELY 170,000. UPDATED 01/26/11*LJ THE CONSUMER STATED THE WINDOWS WOULD NOT GO UP OR DOWN. UPDATED 03/25/11
2002 MERCURY MOUNTAINEER. CONSUMER STATES VEHICLE CAUGHT FIRE UNDER THE HOOD *TGW THE CONSUMER BELIEVED THE REASON FOR THE VEHICLE CATCHING ON FIRE WAS DUE TO A FAULTY STARTER. THE CONSUMER ALSO MAILED IN A RECALL LETTER REGARDING THE SPEED CONTROL DEACTIVATION SWITCH. *JB
LOSS OF A/C ,FOUND WIRING HARNESS CHAFFING ON OIL FILTER SPACE GUARD DUE TO POOR ROUTING OF HARNESS. MANY OTHER WIRES RUN THROUGH THAT CAN CAUSE LOSS OF ENGINE AND OTHER FAILURES. *JB
2002 MERCURY MOUNTAINEER STALLED OUT ON THE HIGHWAY AND HAD TO BE TOWED. *JB
MOUNTAINEER STARTED TO MAKE SQUEELING SOUND. I THOUGHT IT WAS JUST THE BELT SQUEELING, SO I TOOK TO LOCAL MECHANIC. MECHANIC TOLD ME THE BEARING INSIDE ALTERNATOR WAS FAILING. CAR WAS BOUGHT AS IS FROM CITRUS FORD, ONTARIO, CA. THERE WAS 30 DAY WARRANTY, BUT INCIDENT DIDN'T OCCUR UNTIL AFTER 30 DAYS WAS UP. POWER TRAIN WARRANTY WAS ONLY 3YR. 36,000 MILE. THE CAR HAS LESS THAN 56000 MILES WHEN ALTERNATOR BEARING WENT BAD. THIS COST ME $256 FOR THE PART TO BE REPLACED, PLUS LABOR.*AK
ENGINE STALLS TRAVELLING AT 35 MILES/HR. HAS HAPPENED TWICE. ELECTRICAL POWER ON, JUST ENGINE TURNS OFF.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.