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2008 Mercury Mariner Hybrid

Owner reports · Recalls · Investigations

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There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

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When problems were reported

Mileage at the reported incident

107 reports with mileage · 9 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Service Brakes. Review the 29 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports0 fire reports0 injury reports

Fuel/propulsion System complaints

17 reports
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66,650 miles · Oct 7, 2013
Fuel/propulsion SystemVehicle Speed Control

WHILE TRAVELING ON THE OPEN HWY @ 75MPH, I SUDDENLY GOT "PULL OVER SAFELY NOW" MESSAGE ON THE INFO CENTER OF THE DASH AND A RED TRIANGLE ALERT ON THE RIGHT SIDE OF THE DASH. I PULLED OVER IMMEDIATELY. STOPPED THE CAR, TURNED OFF THE IGNITION AND WAITED A MOMENT. I THEN STARTED THE CAR, ALL SEEMED FINE (NO MESSAGE) AND PROC…

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WHILE TRAVELING ON THE OPEN HWY @ 75MPH, I SUDDENLY GOT "PULL OVER SAFELY NOW" MESSAGE ON THE INFO CENTER OF THE DASH AND A RED TRIANGLE ALERT ON THE RIGHT SIDE OF THE DASH. I PULLED OVER IMMEDIATELY. STOPPED THE CAR, TURNED OFF THE IGNITION AND WAITED A MOMENT. I THEN STARTED THE CAR, ALL SEEMED FINE (NO MESSAGE) AND PROCEEDED. A SHORT TIME LATER, THE EXACT SAME THING HAPPENED AGAIN. I PULLED OFF THE HWY AND REPEATED THE STEPS ABOVE. THE CAR WAS RIDING WELL AND SMOOTHLY WITH NO APPARENT PROBLEMS. BUT, THE LONGER I DROVE, THE MORE FREQUENTLY THE PROBLEM OCCURRED. I WAS ONLY ABLE TO DRIVE FOR A FEW MINUTES BEFORE THE DASH BOARD WARNING WOULD REAPPEAR. I PULLED INTO THE NEAREST FORD DEALERSHIP TO GET THE PROBLEM RESOLVED. I HAVE BEEN TOLD IT IS THE THROTTLE BODY AND AM CURRENTLY WAITING FOR THE PROBLEM TO BE RESOLVED. *TR

NHTSA ODI #10547149

25,000 miles · Jul 11, 2013
EngineFuel/propulsion System

STALLING, TOTAL LOSS OF POWER ON FREEWAY, OR MAKING A CITY TURN, OR ACCELERATING FROM A STOP SIGN OR LIGHT, OR GOING UP EVEN A SLIGHT INCLINE, SUCH AS A DRIVEWAY TO A HOUSE. ONLY IN THE SUMMER. DO NOT DARE USE AIR CONDITIONING, WHICH MAKES IT OCCUR QUICKER AND MUCH MORE OFTEN. 95 DEGREES OUTSIDE, 113 DEGREES IN CAR - CANNOT A…

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STALLING, TOTAL LOSS OF POWER ON FREEWAY, OR MAKING A CITY TURN, OR ACCELERATING FROM A STOP SIGN OR LIGHT, OR GOING UP EVEN A SLIGHT INCLINE, SUCH AS A DRIVEWAY TO A HOUSE. ONLY IN THE SUMMER. DO NOT DARE USE AIR CONDITIONING, WHICH MAKES IT OCCUR QUICKER AND MUCH MORE OFTEN. 95 DEGREES OUTSIDE, 113 DEGREES IN CAR - CANNOT AND DO NOT USE AIR CONDITIONER, BUT STILL HAPPENS ON TRIP OVER 15 MINUTES LONG. TOTALLY UNSAFE. LIKE OTHER CONTRIBUTORS, I WOULD LIKE TO KNOW WHY THERE HAS BEEN NO RECALL. JUST TODAY, JULY 10, 2013, 18-WHEELER BEHIND ME (CLOSE) ON 45 MPH CITY STREET, AND I STALLED. I STUCK MY LEFT HAND OUT OF MY WINDOW IN A "PLEASE STOP" GESTURE, AND DRIVER DID STOP, BUT I WAS TERRIFIED. MUST COME TO FULL STOP, PUT CAR IN PARK TO RE-START IT. BUT SAME THING WILL HAPPEN AT NEXT LIGHT OR SIGN OR CHANGE OF SPEED, WHETHER IN 5 MINUTES OR 30 SECONDS, CITY STREET OR FREEWAY. AT THIS POINT, I WOULD SAY THIS HAS HAPPENED APPROXIMATELY 250 TIMES. YES, THAT IS NOT A TYPO. NO QUESTION FORD KNOWS ABOUT THIS. *TR

NHTSA ODI #10524289

66,700 miles · Sep 30, 2012
Electrical SystemEngineFuel/propulsion System

THIS WOULD BE THE THIRD TOTAL ENGINE POWER SHUT-DOWN AT FREEWAY SPEEDS WITH NO LIMP-AWAY OPTION AFTER EXITING THE FREEWAY, REALIZED THAT WE WERE IN AN UNSAFE NEIGHBORHOOD [SO NOT A GOOD OPTION TO STOP AND CALL FOR TOW], TRIED MAPPING SURFACE STREET ROUTE TO SAFER AREA, BUT NAV SYSTEM SHOWED THE ONLY SURFACE STREET ROUTE TO TA…

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THIS WOULD BE THE THIRD TOTAL ENGINE POWER SHUT-DOWN AT FREEWAY SPEEDS WITH NO LIMP-AWAY OPTION AFTER EXITING THE FREEWAY, REALIZED THAT WE WERE IN AN UNSAFE NEIGHBORHOOD [SO NOT A GOOD OPTION TO STOP AND CALL FOR TOW], TRIED MAPPING SURFACE STREET ROUTE TO SAFER AREA, BUT NAV SYSTEM SHOWED THE ONLY SURFACE STREET ROUTE TO TAKE US BACK HOME PUT US ON A STEEP, NARROW WINDING SECTION OF LAUREL CANYON - NO SAFE EXIT IF ANOTHER SHUT-DOWN. ALSO REALIZED WE COULDN'T USE RIVERSIDE THRU GRIFFITH PARK WHICH IS LOCKED AFTER DARK .. SO ZIG-ZAGGED NORTH AND WEST ABOUT 5 MILES BELOW 40 MPH KEEPING TO LIGHTED STREETS HOPING FOR SAFE PLACE OR UNREMEMBERED ROUTE. ENGINE REMAINED STABLE ONCE MORE, DROVE TOWARDS I-5 AGAIN ON LOS FELIZ (PAST THE GRIFFIN BAR ' AND A TOPLESS CLUB) .. REMEMBERED LOS FELIZ AHEAD HAD A LONG, SEPARATE ENTRANCE RAMP TO N/B I-5 . THE DRIVETRAIN ACCELERATED SMOOTHLY TO ~50 MPH, THEN WARNINGS / DRIVE TRAIN DIED AGAIN AT THE BOTTOM OF THE ON-RAMP .. HAZARDS ' AGAIN .. BUT WITH LESS MOMENTUM, HARDER TO FIND A WIDE-ENOUGH SPOT ON THE N/B OUTER SHOULDER ACROSS FROM S/END GRIFFITH PARK GOLF COURSE. WHEN MINIMAL SPOT FOUND STOPPED / PARKED / SHUT DOWN AND RESTARTED AGAIN, ENGINE STARTED AND IDLED SMOOTHLY, NO WARNING LIGHTS REMAINED ON. NOW ABOUT 10:15PM. WITH HAZARDS ON, ROLLED BELOW FWY SPEEDS ALONG SHOULDER UNTIL IT RAN OUT JUST AS ADEQUATE OPENING APPEARED IN OUTSIDE LANE. ACCELERATED CAUTIOUSLY TO BELOW 50 MPH, LIMPED OFF AT ODD FREEWAY APPENDIX WHICH LEADS EAST - MERGED RIGHT ONTO SAN FERNANDO, TURNED LEFT (NORTH) AT NEXT SIGNAL AND STARTED WORKING WAY ABOUT 12 MILES BACK WEST ON SURFACE STREETS FROM THE MOORPARK AREA NEVER EXCEEDING 45 MPH. NO ADDITIONAL DRIVETRAIN ISSUES BEFORE WE REACHED STUDIO CITY HOME ~ 11:10PM. THIS WAS THE THIRD TOTAL ENGINE POWER SHUT-DOWN AT FREEWAY SPEEDS WITH NO `LIMP AWAY' OPTION. *TR

NHTSA ODI #10478006

66,700 miles · Sep 30, 2012
Electrical SystemEngineFuel/propulsion System

THIS WOULD BE THE SECOND UN-WARNED TOTAL LOSS OF POWER ON A FREEWAY. HAVING COASTED OUT OF TRAFFIC ON THE FIRST UNWARNED ENGINE / PROPULSION SYSTEM SHUT-DOWN IN FAST-MOVING FREEWAY TRAFFIC, MANAGED TO FIND WIDE-ENOUGH SECTION OF OUTSIDE SHOULDER TO COME TO A STOP. BUT BEING STUCK IN 10PM DARKNESS ON A NARROW SHOULDER WAS TOO …

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THIS WOULD BE THE SECOND UN-WARNED TOTAL LOSS OF POWER ON A FREEWAY. HAVING COASTED OUT OF TRAFFIC ON THE FIRST UNWARNED ENGINE / PROPULSION SYSTEM SHUT-DOWN IN FAST-MOVING FREEWAY TRAFFIC, MANAGED TO FIND WIDE-ENOUGH SECTION OF OUTSIDE SHOULDER TO COME TO A STOP. BUT BEING STUCK IN 10PM DARKNESS ON A NARROW SHOULDER WAS TOO DANGEROUS TO CONSIDER REMAINING THERE. ONCE STOPPED, I SHIFTED THE TRANSMISSION TO PARK, CYCLED IGNITION OFF THEN TO START ? ENGINE RESTARTED, DASH WARNING LAMPS CAME ON- THEN CYCLED OFF NORMALLY, ENGINE RAN SMOOTHLY. NOTE: THE ONLY WAY TO ATTEMPT TO RESTART THE HYBRID DRIVETRAIN IS TO SHIFT THE TRANSMISSION INTO PARK .. IT DOESN'T WORK IN NEUTRAL .. AND THERE WAS NO WAY I WAS GOING TO TRY TO PUT THE TRANS IN PARK IN 72-75 MPH FREEWAY TRAFFIC IN 10PM DARKNESS. ACCELERATED MODERATELY INTO MERGING LANE, ENTERING GAP IN N/B TRAFFIC TO RE-ENTER I-5 TRAFFIC ? HOPING TO GET PAST SR-2 TO MORE-FAMILIAR EXIT ? WITHIN 2 MINUTES, AND AT SPEED ~ 55 MPH ? DRIVE TRAIN DIED AGAIN (SAME WARNING TONE AND LIGHT...AND SAME "TOO LITTLE TOO LATE" STOP NOW WARNING TEXT). AGAIN HAD TO HUNT FOR A WIDE-ENOUGH SECTION OF OUTSIDE SHOULDER TO STOP AND TAKE STOCK OF DANGEROUS SITUATION. SHUT OFF ENGINE, MOVED TRANS INTO PARK TRIED RESTART - AGAIN, ENGINE STARTED AND SETTLED TO NORMAL OPERATION - NO WARNING LIGHTS REMAINED ON. ABLE TO RE-ENTER TRAFFIC AND TRANSITION OFF I-5 FWY .. BUT ONLY ESCAPE WAS TO ANOTHER FREEWAY (SR-2). KEPT SPEED BELOW 45MPH ON THAT FREEWAY UNTIL ABLE TO EXIT FREEWAY. THIS WAS THE SECOND UN-WARNED TOTAL LOSS OF POWER ON A FREEWAY. *TR

NHTSA ODI #10478001

66,700 miles · Sep 30, 2012
Fuel/propulsion SystemPower Train

THIS WOULD BE THE SECOND UN-WARNED TOTAL LOSS OF POWER ON A FREEWAY. HAVING COASTED OUT OF TRAFFIC ON THE FIRST UNWARNED ENGINE / PROPULSION SYSTEM SHUT-DOWN IN FAST-MOVING FREEWAY TRAFFIC, MANAGED TO FIND WIDE-ENOUGH SECTION OF OUTSIDE SHOULDER TO COME TO A STOP. BUT BEING STUCK IN 10PM DARKNESS ON A NARROW SHOULDER WAS TOO …

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THIS WOULD BE THE SECOND UN-WARNED TOTAL LOSS OF POWER ON A FREEWAY. HAVING COASTED OUT OF TRAFFIC ON THE FIRST UNWARNED ENGINE / PROPULSION SYSTEM SHUT-DOWN IN FAST-MOVING FREEWAY TRAFFIC, MANAGED TO FIND WIDE-ENOUGH SECTION OF OUTSIDE SHOULDER TO COME TO A STOP. BUT BEING STUCK IN 10PM DARKNESS ON A NARROW SHOULDER WAS TOO DANGEROUS TO CONSIDER REMAINING THERE. ONCE STOPPED, I SHIFTED THE TRANSMISSION TO PARK, CYCLED IGNITION OFF THEN TO START ENGINE RESTARTED, DASH WARNING LAMPS CAME ON- THEN CYCLED OFF NORMALLY, ENGINE RAN SMOOTHLY. NOTE: THE ONLY WAY TO ATTEMPT TO RESTART THE HYBRID DRIVETRAIN IS TO SHIFT THE TRANSMISSION INTO PARK .. IT DOESN'T WORK IN NEUTRAL .. AND THERE WAS NO WAY I WAS GOING TO TRY TO PUT THE TRANS IN PARK IN 72-75 MPH FREEWAY TRAFFIC IN 10PM DARKNESS. ACCELERATED MODERATELY INTO MERGING LANE, ENTERING GAP IN N/B TRAFFIC TO RE-ENTER I-5 TRAFFIC HOPING TO GET PAST SR-2 TO MORE-FAMILIAR EXIT WITHIN 2 MINUTES, AND AT SPEED ~ 55 MPH DRIVE TRAIN DIED AGAIN (SAME WARNING TONE AND LIGHT...AND SAME "TOO LITTLE TOO LATE" STOP NOW WARNING TEXT). AGAIN HAD TO HUNT FOR A WIDE-ENOUGH SECTION OF OUTSIDE SHOULDER TO STOP AND TAKE STOCK OF DANGEROUS SITUATION. SHUT OFF ENGINE, MOVED TRANS INTO PARK TRIED RESTART - AGAIN, ENGINE STARTED AND SETTLED TO NORMAL OPERATION - NO WARNING LIGHTS REMAINED ON. ABLE TO RE-ENTER TRAFFIC AND TRANSITION OFF I-5 FWY...BUT ONLY ESCAPE WAS TO ANOTHER FREEWAY (SR-2). KEPT SPEED BELOW 45MPH ON THAT FREEWAY UNTIL ABLE TO EXIT FREEWAY. THIS WAS THE SECOND UN-WARNED TOTAL LOSS OF POWER ON A FREEWAY. *TR

NHTSA ODI #10478000

66,700 miles · Sep 30, 2012
Fuel/propulsion System

AT ~ 10:10PM TRAVELING AT 68-70 MPH IN FAST, MODERATE FREEWAY TRAFFIC IN THE #3 N/B LANE OF I-5 IN SILVERLAKE AREA, ~ -MI SOUTH OF THE INTERCHANGE WITH THE SR-2 FREEWAY (~ @ RIVERSIDE DR. OVER-CROSSING) . SUDDENLY / WITH NO WARMING, ENGINE LOST ALL POWER & SHUT DOWN AND I HEARD A `SCREECHING' WARNING TONE, SAW THE RED TRIANGLE …

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AT ~ 10:10PM TRAVELING AT 68-70 MPH IN FAST, MODERATE FREEWAY TRAFFIC IN THE #3 N/B LANE OF I-5 IN SILVERLAKE AREA, ~ -MI SOUTH OF THE INTERCHANGE WITH THE SR-2 FREEWAY (~ @ RIVERSIDE DR. OVER-CROSSING) . SUDDENLY / WITH NO WARMING, ENGINE LOST ALL POWER & SHUT DOWN AND I HEARD A `SCREECHING' WARNING TONE, SAW THE RED TRIANGLE OF DOOM WARNING SYMBOL APPEAR IN THE UPPER/RIGHT OF THE INSTRUMENT PANEL, THE TACHOMETER DROPPED TO `ZERO'' AND THE `TOO-LITTLE-TOO-LATE' WARNING TEXT STOP NOW' TEXT APPEARED AT THE BOTTOM OF THE INSTRUMENT PANEL (HOW WAS I SUPPOSED TO DO THIS WITH NO POWER?). ONLY THING THAT SAVES US WAS THAT WE HAD SIGNIFICANT SPEED TO COAST OUT OF TRAFFIC - OTHER DRIVERS THANKFULLY GAVE-WAY TO LET US DO SO. FIRST OF THREE SUCH COMPLETE LOSSES OF POWER IN TRAFFIC, ATTEMPTING TO REACH SAFETY. *TR

NHTSA ODI #10477997

57,000 miles · Jul 5, 2012
EngineFuel/propulsion SystemSteering

VEHICLE WAS IN MIDDLE LANE OF INTERSTATE 95 WITH TRAFFIC MOVING AT 65-70 MPH WHEN THERE WAS (ACCORDING TO FORD TECH) A FAILURE OF THE MOTOR ELECTRONICS COOLING PUMP. THIS CAUSED THE VEHICLE ENGINE TO SHUT DOWN AND COULD HAVE CAUSED ACCIDENT/DEATH IF WIFE WASN'T ABLE TO GET TO SHOULDER WEAVING THROUGH LANES OF TRAFFIC. I SEE ONLI…

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VEHICLE WAS IN MIDDLE LANE OF INTERSTATE 95 WITH TRAFFIC MOVING AT 65-70 MPH WHEN THERE WAS (ACCORDING TO FORD TECH) A FAILURE OF THE MOTOR ELECTRONICS COOLING PUMP. THIS CAUSED THE VEHICLE ENGINE TO SHUT DOWN AND COULD HAVE CAUSED ACCIDENT/DEATH IF WIFE WASN'T ABLE TO GET TO SHOULDER WEAVING THROUGH LANES OF TRAFFIC. I SEE ONLINE AT HTTP://WWW.ARFC.ORG/COMPLAINTS/2008/MERCURY/MARINER_HYBRID/ENGINE_AND_ENGINE_COOLING/PROBLEM.ASPX THAT THIS HAS BEEN REPORTED AS A MAJOR COMPLAINT FOR AWHILE. WHY IS THIS NOT A RECALL? SOMEONE WILL SURE GET KILLED. OUR CAR HAS ONLY 57K MILES. *TR

NHTSA ODI #10464346

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

DP22005 · Pedestrian Alert Sounds

Opened Jan 27, 2023 · Closed Aug 7, 2023

Status: closed (inferred from source dates) · Electrical System:propulsion System

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.

DP15001 · Loss Of Power Steering While Driving

Opened Apr 1, 2015 · Closed Jun 14, 2018

Status: closed (inferred from source dates) · Steering:electric Power Assist System

On May 27, 2014, amended June 2, 2014, Ford Motor Company (Ford) submitted a Defect Information Report (DIR) to NHTSA describing a safety defect that may result in a sudden loss of power steering assist while driving in approximately 746,067 model year (MY) 2008 through 2011 Ford Escape vehicles equipped with electric power assisted steering (NHTSA 14V-284, Ford 14S05). Ford's DIR described the defect condition as a poor signal to noise ratio [SNR] in the torque sensor within the Electric Power Assisted Steering (EPAS) system [which] does not allow the PSCM to determine the driver's steering input. When the system detects this fault condition, it transitions the EPAS system to the fail-safe/manual steering mode.Ford's DIR indicates that loss of power steering assist while driving would require higher steering effort at lower vehicle speeds, which may result in an increased risk of a crash.Ford's remedy instructs dealers to check the Power Steering Control Module (PSCM) for Diagnostic Trouble Codes (DTCs) to determine the proper repair procedure. If no DTCs are present, dealers are to update the PSCM and instrument cluster module software. The updated PSCM software changes the torque sensor fault strategy so that the SNR condition does not result in a loss of power steering assist while driving.In addition, audible and visual warnings are provided for torque sensor faults.If DTCs indicating faults in the torque sensor, PSCM or Power Steering Motor (motor) are present in the initial recall inspection, the dealer performs the following repairs: 1) replaces the torque sensor for torque sensor faults (DTC B2278); or 2) replaces the steering column for faults related to the PSCM (DTC B1342) or motor (DTC B2277).Continued in attachment pages