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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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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

Tap a category to read its complaints. One report may name several components.

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

What owners actually said

116 reports
65,800 miles · Dec 31, 2014
Power Train

DRIVING AT 50+ MPH ON MULTIPLE OCCASIONS AND VEHICLE GIVES STOP SAFELY NOW MESSAGE AND SUDDENLY REDUCES GREATLY IN SPEED. IT RANDOMLY HAS OCCUED AND WHEN IT HAS, I HAD TO TRY TO NAVIGATE OUT OF 50+MPH TRAFFIC AFTER THE VEHICLE SUDDENLY REDUCES SPEED TO ABOUT 20 MPH TO A SHOULDER OR OTHER SAFE AREA. HAD THE COOLANT PUMP REPLACED …

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DRIVING AT 50+ MPH ON MULTIPLE OCCASIONS AND VEHICLE GIVES STOP SAFELY NOW MESSAGE AND SUDDENLY REDUCES GREATLY IN SPEED. IT RANDOMLY HAS OCCUED AND WHEN IT HAS, I HAD TO TRY TO NAVIGATE OUT OF 50+MPH TRAFFIC AFTER THE VEHICLE SUDDENLY REDUCES SPEED TO ABOUT 20 MPH TO A SHOULDER OR OTHER SAFE AREA. HAD THE COOLANT PUMP REPLACED BUT STILL OCCURS. FORD SAID THE TWIN VEHICLE THE 2008 FORD ESCAPE HYBRID HAS RECALLS FOR THE THROTTLE BODY ASSEMBLY AND BLEND DOOR ACTUATOR FOR HYBRID BATTERY COOLING SYSTEM THAT HAVE BEEN IDENTIFIED AS CAUSING THE STOP SAFELY NOW MESSAGE WHICH BECAUSE THE VEHICLE SUDDENLY DROPS FROM HIGHWAY SPEEDS TO ABOUT 20MPH COULD CAUSE SERIOUS ACCIDENTS. SINCE THE 08 MARINER HYBRID IS THE 08 ESCAPE HYBRIDS TWIN, THE THROTTLE BODY ASSEMBLY AND HYBRID BATTERY SYSTEM BLEND DOOR ACTUATOR SHOULD BE RECALLED ON THE MARINER HYBRID ALSO AND REPLACES TO PROTECT LIVES BY PREVENTING ACCIDENTS BECAUSE OF THE DEFECTIVE PARTS. *JS

NHTSA ODI #10669250

92,600 miles · Dec 16, 2014
Electrical SystemEnginePower Train

JUST AFTER STARTING MY CAR AND DRIVING DOWN MY STREET AT ~5MPH, THERE WAS A WARNING SYMBOL (RED TRIANGLE) AND THEN MESSAGE SAYING "STOP SAFELY NOW." THE VEHICLE THEN LOST POWER STEERING, AND POWER TO THE ENGINE. I RESTARTED THE CAR AND MADE IT ~100FT AND THE SAME THING HAPPENED AGAIN. THIS ALSO HAPPENED SEVERAL TIMES PREVIOUSLY …

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JUST AFTER STARTING MY CAR AND DRIVING DOWN MY STREET AT ~5MPH, THERE WAS A WARNING SYMBOL (RED TRIANGLE) AND THEN MESSAGE SAYING "STOP SAFELY NOW." THE VEHICLE THEN LOST POWER STEERING, AND POWER TO THE ENGINE. I RESTARTED THE CAR AND MADE IT ~100FT AND THE SAME THING HAPPENED AGAIN. THIS ALSO HAPPENED SEVERAL TIMES PREVIOUSLY ON THE HIGHWAY TRAVELING ~65MPH AND WITH THE SAME MESSAGE "STOP SAFELY NOW" MESSAGE APPEARED AND IMMEDIATELY LOST ALL POWER TO STEERING AND THE ENGINE. I WENT TO THE FORD DEALERSHIP AND WAS TOLD TO REPLACE THE HYBRID COOLANT PUMP AND BLEND DOORS AND THIS FIXED THE PROBLEM FOR SEVERAL MONTHS UNTIL TODAY. I HAD ALSO JUST TAKEN THE VEHICLE INTO THE DEALERSHIP FOR A RECALL ON THE POWER STEERING. THIS LOSS OF POWER AND ABILITY TO STEER IS EXTREMELY DANGEROUS! THIS NEEDS TO BE RECALLED! *TR

NHTSA ODI #10664554

72,000 miles · Dec 9, 2014
Unknown Or Other

THE SUV LOST ALL POWER WHILE DRIVING 70MPH ON THE HIGHWAY...EVERYTHING WENT OFF INCLUDING THE ENGINE. THE DASHBOARD LED READ PULL OVER IMMEDIATELY. *TR

NHTSA ODI #10663098

87,000 miles · Nov 7, 2014
Steering

TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE DRIVING AT LOW SPEEDS ATTEMPTING TO MAKE A TURN, THE STEERING WHEEL SEIZED. THE CONTACT MENTIONED THAT EXTREME FORCE WAS REQUIRED TO CONTROL THE STEERING WHEEL AND THE VEHICLE WOULD INDEPENDENTLY RESUME TO NORMAL OPERATION. THE VEHICLE WAS TAKEN TO…

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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE DRIVING AT LOW SPEEDS ATTEMPTING TO MAKE A TURN, THE STEERING WHEEL SEIZED. THE CONTACT MENTIONED THAT EXTREME FORCE WAS REQUIRED TO CONTROL THE STEERING WHEEL AND THE VEHICLE WOULD INDEPENDENTLY RESUME TO NORMAL OPERATION. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN DIAGNOSED THAT THE COMPUTER NEEDED TO BE REPROGRAMMED. THE VEHICLE WAS REPAIRED BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 87,000.

NHTSA ODI #10653493

112,000 miles · Oct 15, 2014
EngineVehicle Speed Control

HAD THE THROTTLE BODY FIXED ONCE TWO MONTHS AGO BECAUSE I WAS GOING 45, MY SUV. HAZARD LIGHT CAME ON AND IT SAID TO SLOW DOWN AND PULL OVER SAFELY. THEN IT HAS HAPPENED THREE MORE TIMES SINCE I GOT IT FIXED, MY SUV IS IN THE SHOP AGAIN, I PAID 845 LAST TIME AND I STILL HAVE $15,000 LEFT TO PAY ON MY CAR. I CAN'T AFFORD TO KEEP P…

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HAD THE THROTTLE BODY FIXED ONCE TWO MONTHS AGO BECAUSE I WAS GOING 45, MY SUV. HAZARD LIGHT CAME ON AND IT SAID TO SLOW DOWN AND PULL OVER SAFELY. THEN IT HAS HAPPENED THREE MORE TIMES SINCE I GOT IT FIXED, MY SUV IS IN THE SHOP AGAIN, I PAID 845 LAST TIME AND I STILL HAVE $15,000 LEFT TO PAY ON MY CAR. I CAN'T AFFORD TO KEEP PAYING TO GET THIS FIXED, LET ALONE THE SAFETY ISSUE.THE LADY TWO TIMES IT HAPPENED I HAD MY BABY IN THE CAR ON THE FREEWAY AND I WAS IN THE MIDDLE LANE AND IT WAS RAINING... IT WAS FRIGHTENING. *TR

NHTSA ODI #10644922

100,000 miles · Oct 1, 2014
EngineFuel/propulsion SystemSteering

MY 2008 MERCURY MARINER HYBRID HAS A DANGEROUS HIGH SPEED STALL CONDITION. IT IS VERY SERIOUS AND PUTS THE VEHICLE AND OCCUPANTS IN A SITUATION THAT CAUSES A VERY HIGH RISK OF A CRASH. THIS SAID, MY VEHICLE IS NOT COVERED IN THE CURRENT RECALL? WHY NOT? *TR

NHTSA ODI #10640472

57,870 miles · Sep 25, 2014
Electrical SystemVehicle Speed Control

WHILE MY WIFE WAS DRIVING OUR 2008 MERCURY HYBRID MARINER ON A HIGHWAY AT A SPEED OF APPROXIMATELY 45 MPH, A WARNING LIGHT APPEARED ON THE DASH (RED TRIANGLE WITH AND EXCLAMATION POINT) AND THE VEHICLE BEGAN SLOWING DOWN IN A MANNER THAT PREVENTED HER FROM CONTROLLING THE SPEED OF THE VEHICLE. MY WIFE, FORTUNATELY, WAS ABLE TO …

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WHILE MY WIFE WAS DRIVING OUR 2008 MERCURY HYBRID MARINER ON A HIGHWAY AT A SPEED OF APPROXIMATELY 45 MPH, A WARNING LIGHT APPEARED ON THE DASH (RED TRIANGLE WITH AND EXCLAMATION POINT) AND THE VEHICLE BEGAN SLOWING DOWN IN A MANNER THAT PREVENTED HER FROM CONTROLLING THE SPEED OF THE VEHICLE. MY WIFE, FORTUNATELY, WAS ABLE TO PULL TO THE SIDE OF THE HIGHWAY WITHOUT INCIDENT. THE FORD DEALERSHIP'S DIAGNOSTIC TEST REVEALED A FAULTY ELECTRONIC THROTTLE BODY AND THE DEALERSHIP RECOMMENDED IMMEDIATE REPLACEMENT FOR SAFETY REASONS. I UNDERSTAND THAT AS A RESULT OF SIMILAR ISSUES WITH FORD ESCAPE AND MERCURY MARINER MODELS, THROUGH A CUSTOMER SATISFACTION PROGRAM, FORD VOLUNTARILY HAS EXTENDED WARRANTY WORK FOR SOME ESCAPE AND MARINER VEHICLES. THE VIN FOR OUR 2008 MERCURY HYBRID MARINER, HOWEVER, WAS NOT INCLUDED IN THIS PROGRAM. I SPOKE WITH A REPRESENTATIVE AND WITH A SUPERVISOR FROM FORD CUSTOMER SERVICE (800-392-3673), AND THE SUPERVISOR REPORTED THAT FORD IS NOT IN A POSITION TO ADDRESS THE ISSUE WITH RESPECT TO MY VEHICLE, BECAUSE THERE IS NOT ENOUGH DATA TO INCLUDE MY VEHICLE WITHIN THE VOLUNTARY CUSTOMER SATISFACTION PROGRAM. *TR

NHTSA ODI #10639027

60,000 miles · Sep 4, 2014
EnginePower TrainSteering

A "STOP SAFELY NOW" WARNING MESSAGE CAME ON WHEN I WAS DRIVING ON THE FREEWAY AT 60 MILES PER HOUR. THE CAR IMMEDIATELY LOST POWER AND BECAME DIFFICULT TO STEER. I PULLED OVER TO THE RIGHT SHOULDER AS SAFELY AND QUICKLY AS POSSIBLE. THIS HAS OCCURRED MULTIPLE TIMES. *TR

NHTSA ODI #10630673

138,500 miles · Aug 18, 2014
Power Train

AS I WAS DRIVING DOWN THE FREEWAY, MY MERCURY MARINER HYBRID DISPLAYED A "STOP SAFELY NOW" SIGN ON THE CONTROL PANEL. NOT EVEN A MINUTE LATER, THE CAR BEGAN TO SHUT DOWN AND I HAD TO MANEUVER GET OFF THE FREEWAY. WHEN I PARKED THE CAR, I SAT FOR A MOMENT AND THEN THE CAR STARTED RIGHT UP. I DROVE ANOTHER FEW MILES AND IT DIS…

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AS I WAS DRIVING DOWN THE FREEWAY, MY MERCURY MARINER HYBRID DISPLAYED A "STOP SAFELY NOW" SIGN ON THE CONTROL PANEL. NOT EVEN A MINUTE LATER, THE CAR BEGAN TO SHUT DOWN AND I HAD TO MANEUVER GET OFF THE FREEWAY. WHEN I PARKED THE CAR, I SAT FOR A MOMENT AND THEN THE CAR STARTED RIGHT UP. I DROVE ANOTHER FEW MILES AND IT DISPLAYED THE SAME MESSAGE AND THEN STOPPED. IT STARTED AGAIN AND THEN DID THE SAME THING AGAIN. *TR

NHTSA ODI #10626123

57,000 miles · Aug 18, 2014
Engine

TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 70 MPH, THE ENGINE STALLED AND THE HYBRID WARNING INDICATOR ILLUMINATED. THE VEHICLE OPERATED NORMALLY ONCE IT WAS TURNED OFF AND RESTARTED. THE FAILURE OCCURRED ON MULTIPLE OCCASIONS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS N…

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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 70 MPH, THE ENGINE STALLED AND THE HYBRID WARNING INDICATOR ILLUMINATED. THE VEHICLE OPERATED NORMALLY ONCE IT WAS TURNED OFF AND RESTARTED. THE FAILURE OCCURRED ON MULTIPLE OCCASIONS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 57,000.

NHTSA ODI #10625979

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