WAS DRIVING ON HIGHWAY - WHEN ABS LIGHT CAME ON, THEN SERVICE BRAKE SYSTEM, SERVICE 4X4, REGEN DISABLED DISPLAYED ON DISPLAY. TESTED BRAKES AND APPEARED THAT THEY WERE STILL FUNCTIONING, BROUGHT CAR TO DEALER NEXT MORNING, DEALER REPLACED ABS RING. *JS
2007 Mercury Mariner Hybrid
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Mariner Hybrid years →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
28 reports with mileage · 3 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 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
31 reportsTRAVELLING ON ILLINOIS I-55 SOUTH EARLY IN THE MORNING. ABOUT 2 MILES NORTH OF US HIGHWAY 6 EXIT CAR LOST POWER AND I NOTICED "STOP SAFELY NOW" MESSAGE. I PULLED OFF TO SIDE OF ROAD. CAR STARTED RIGHT UP. I WENT ABOUT A 2 MILES AND CAR DID THE EXACT SAME THING. I WAS REAL CLOSE TO THE GOLF COURSE AND MADE IT THERE. NO PRO…
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TRAVELLING ON ILLINOIS I-55 SOUTH EARLY IN THE MORNING. ABOUT 2 MILES NORTH OF US HIGHWAY 6 EXIT CAR LOST POWER AND I NOTICED "STOP SAFELY NOW" MESSAGE. I PULLED OFF TO SIDE OF ROAD. CAR STARTED RIGHT UP. I WENT ABOUT A 2 MILES AND CAR DID THE EXACT SAME THING. I WAS REAL CLOSE TO THE GOLF COURSE AND MADE IT THERE. NO PROBLEMS ON THE WAY HOME OR SINCE. CAR NEVER ACTED OR SOUNDED ?FUNNY?. CAR REPAIRED BY LOCAL LINCOLN FORD DEALER. THEY SAID THEY REPLACED AN ENGINE COOLANT PUMP ($695 INCLUDING LABOR AND TAXES) THAT IS UNIQUE TO HYBRID. THEY SAID I WAS THE THIRD HYBRID THIS WEEK-END--PROBABLY HAD SOMETHING TO DO WITH COLD WEATHER. COOLANT PUMP HAS A DIFFERENT DESIGN SO THEY MAY HAVE HAD ORIGINAL DESIGN PROBLEMS. *TT
I OWN A 2007 MERCURY MARINER HYBRID AND I WAS TRAVELING FROM VIRGINIA WHERE I PREVIOUSLY LIVED TO NEW YORK FOR A JOB INTERVIEW. WHILE TRAVELING ON THE NEW JERSEY TURNPIKE AT A SPEED OF AROUND 73 MILES PER HOUR A LIGHT CAME ON IN MY VEHICLE THAT STATED "STOP VEHICLE SAFELY." I WAS TRAVELING IN THE FURTHEST LEFT HAND LANE OF 4 AT …
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I OWN A 2007 MERCURY MARINER HYBRID AND I WAS TRAVELING FROM VIRGINIA WHERE I PREVIOUSLY LIVED TO NEW YORK FOR A JOB INTERVIEW. WHILE TRAVELING ON THE NEW JERSEY TURNPIKE AT A SPEED OF AROUND 73 MILES PER HOUR A LIGHT CAME ON IN MY VEHICLE THAT STATED "STOP VEHICLE SAFELY." I WAS TRAVELING IN THE FURTHEST LEFT HAND LANE OF 4 AT THE TIME AND WITHIN ABOUT 2 OR 3 SECONDS OF THIS LIGHT COMING ON I LOST GAS ENGINE POWER TO MY VEHICLE. I WAS HONESTLY SCARED FOR MY LIFE BECAUSE THE ONLY PORTION OF MY VEHICLE THAT WAS WORKING IS THE ELECTRIC ENGINE THAT ALLOWS THE VEHICLE TO GO AROUND 25 MILES PER HOUR. I WAS ABLE TO SAFELY PULL MY VEHICLE OFF OF THE ROAD WHILE NEARLY GETTING HIT BY 3 OR 4 CARS/TRACTOR TRAILERS. I CONTACTED FORD/MERCURY ROADSIDE ASSISTANCE AND THEY WERE GOING TO COME OUT, BUT THEM THE VEHICLE RAN FINE. ON MY RETURN TRIP THE VEHICLE DID THIS ANOTHER 3 OR 4 TIMES. IMMEDIATELY WHEN I GOT BACK TO VIRGINIA I TOOK IT TO BEACH FORD AND THEY FOUND THAT THE COOLANT PUMP FOR THE HYBRID SYSTEM HAD GONE BAD AND NEEDED TO BE REPLACED. I QUESTIONED WHY THE GAS ENGINE WOULD SHUT DONE AND BEACH FORD AND FORD CORPORATE BOTH TOLD ME THE SAME THING, THIS WAS A SAFETY PRECAUTION SET INTO THE VEHICLES COMPUTER. I EXPLAINED THAT THIS IS NOT SAFE AT ALL AND LOSING POWER AT HIGHWAY SPEEDS AND CAUSING ACCIDENTS IS NOT A SAFETY PRECAUTION AT ALL IT IS DANGEROUS. I DID NOT RECEIVE ANY FURTHER EXPLAINATIONS FROM FORD EXCEPT FOR THE SAME THING OVER AND OVER AGAIN. I HAVE A 15 MONTH OLD SON AND THIS IS NOT SAFE, I AM VERY CONCERNED ABOUT THIS HAPPENING AGAIN WITH HIM IN THE VEHICLE. I AM VERY SURPRISED THIS SAFETY PRECAUTION WOULD PASS GOVERNMENT STANDARDS. I AM LOOKING FOR YOU TO LOOK INTO THIS AND GET BACK TO ME BECAUSE FORD SHOULD NOT BE PRODUCING VEHICLES THAT CAN CAUSE ACCIDENTS BECAUSE OF A COOLANT PUMP GOING BAD. *TR
TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. THE CONTACT WAS DRIVING 65 MPH WHEN A WARNING LIGHT ILLUMINATED, ADVISING THE CONTACT TO "STOP SAFELY NOW." THE CONTACT STATED THAT THE FAILURE WAS RECURRING AND WHEN THE WARNING LIGHT WAS ILLUMINATED, THE VEHICLE WOULD IMMEDIATELY STALL. THE CONTACT TOOK THE VEHICLE TO A DEA…
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TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. THE CONTACT WAS DRIVING 65 MPH WHEN A WARNING LIGHT ILLUMINATED, ADVISING THE CONTACT TO "STOP SAFELY NOW." THE CONTACT STATED THAT THE FAILURE WAS RECURRING AND WHEN THE WARNING LIGHT WAS ILLUMINATED, THE VEHICLE WOULD IMMEDIATELY STALL. THE CONTACT TOOK THE VEHICLE TO A DEALER FOR DIAGNOSTIC TESTING WHICH DETERMINED THAT THE ENGINE FAN WAS DEFECTIVE. THE ENGINE FAN WAS NOT REPLACED. THE FAILURE MILEAGE WAS 50,000. UPDATED 01/10/12*LJ
I HAVE A 2007 MERCURY MARINER HYBRID WITH 118,000 MILES. YESTERDAY, THE EXCLAMATION MARK WARNING LIGHT CAME ON 12 TIMES IN 8 MILES. I TURNED AROUND AND IT CAME ON AN ADDITIONAL 10 TIMES ON THE WAY HOME. THERE IS FIRST A LOSS OF POWER, THE LIGHT COMES ON. I SWERVE ONTO THE SHOULDER BEFORE I CAN TURN OFF THE ENGINE THERE IS A …
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I HAVE A 2007 MERCURY MARINER HYBRID WITH 118,000 MILES. YESTERDAY, THE EXCLAMATION MARK WARNING LIGHT CAME ON 12 TIMES IN 8 MILES. I TURNED AROUND AND IT CAME ON AN ADDITIONAL 10 TIMES ON THE WAY HOME. THERE IS FIRST A LOSS OF POWER, THE LIGHT COMES ON. I SWERVE ONTO THE SHOULDER BEFORE I CAN TURN OFF THE ENGINE THERE IS A JOLT. I HAVE TAKEN MY CAR TO THE DEALERSHIP BEFORE AND THEY SAID TO "PULL OVER AND SHUT OFF THE ENGINE FOR A MINUTE AND THEN RESTART ENGINE". I HAVE LOST FAITH IN THE SAFETY OF THIS CAR. *TT
I OWN A 2007 MERCURY MARINER HYBRID I HAVE ABOUT 76000 MILES. THE STOP SAFELY LIGHT COMES ON AND CAR STOPS IN MIDDLE OF ROAD WITHOUT WARNING ALSO WITH TEMP LIGHT MOST OF THE TIME THE SERVICE ENGINE WRENCH LIGHT COMES ON FREQUENTLY
TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID WITH 80,688 MILES. THE CONTACT OWNS A BRITAX BOULEVARD CT REAR FACING CHILD SEAT. THE CHILD SEAT WOULD NOT PROPERLY FIT IN THE VEHICLE UNLESS A NOODLE OR TOWEL WAS BEING USED. THE OWNERS MANUAL STATED THAT NO OBJECT COULD BE USED BETWEEN THE CHILD SEAT AND THE VEHICLE. THE MANUF…
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TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID WITH 80,688 MILES. THE CONTACT OWNS A BRITAX BOULEVARD CT REAR FACING CHILD SEAT. THE CHILD SEAT WOULD NOT PROPERLY FIT IN THE VEHICLE UNLESS A NOODLE OR TOWEL WAS BEING USED. THE OWNERS MANUAL STATED THAT NO OBJECT COULD BE USED BETWEEN THE CHILD SEAT AND THE VEHICLE. THE MANUFACTURE WAS CONTACTED IN REGARDS TO THE FAILURE AND THEY INFORMED THE CONTACT THAT THE WHEELBASE OF THE VEHICLE WAS TOO SHORT FOR THE CHILD SEAT TO FIT PROPERLY. THE MANUFACTURER ALSO INFORMED THE CONTACT THAT THE SEAT WAS NOT TESTED TO DETERMINE IF IT WOULD FIT PROPERLY IN THE VEHICLE. THE CONTACT STATED THAT VIN LISTED ON THE DRIVER SIDE DOOR PANEL WAS DIFFERENT FROM THE VIN LISTED UNDER THE FRONT WINDSHIELD. THE VEHICLE WAS NEVER INVOLVED IN A CRASH.
NAVIGATION SYSTEM FAILS AND RESTARTS CAUSING DRIVER TO BECOME DISORIENTED. AFTER 5 VISITS TO THE DEALER AND 26 DAYS IN THE SHOP, FORD CANNOT FIX THE PROBLEM. *TR
WHILE I WAS DRIVING MY 2007 MERCURY MARINER HYBRID AT 65 MPH ON A HIGHWAY, THE RED TRIANGLE CAME ON AND THE MESSAGE "STOP SAFELY NOW." THE CAR COMPLETELY AND SUDDENLY LOST ALL POWER. I TRIED TO GIVE IT SOME GAS BUT TO NO AVAIL. I PULLED OVER, SHUT IT OFF FOR A FEW MINUTES, AND THEN WAS ABLE TO RESTART IT AND MAKE IT HOME. I…
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WHILE I WAS DRIVING MY 2007 MERCURY MARINER HYBRID AT 65 MPH ON A HIGHWAY, THE RED TRIANGLE CAME ON AND THE MESSAGE "STOP SAFELY NOW." THE CAR COMPLETELY AND SUDDENLY LOST ALL POWER. I TRIED TO GIVE IT SOME GAS BUT TO NO AVAIL. I PULLED OVER, SHUT IT OFF FOR A FEW MINUTES, AND THEN WAS ABLE TO RESTART IT AND MAKE IT HOME. I HAVE 64,000 MILES ON THE CAR. I SEE THAT THERE ARE SERVICE BULLETINS DESCRIBING THIS PROBLEM, BUT AM UPSET THAT I WAS NOT INFORMED ABOUT IT, ESPECIALLY SINCE THE WARRANTY GOES TO 60,000 MILES. *TR
ENGINE SHUTS OFF WITHOUT ANY FOREWARNING WHILE VEHICLE IS IN MOTION. DEALER HAS ATTEMPTED TO REPAIR THE PROBLEM 2 TIMES--PROBLEM PERSISTS. THEY SAY IT IS A PROBLEM WITH THE COOLING SYSTEM FOR THE HYBRID BATTERIES. THEY HAVE REPLACED A WIRING HARNESS AND THE MOTOR OF THE COOLING FAN. *TR
Official recalls
0No 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
1DP22005 · 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.
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