Owners have filed 15 complaints
about the 2010 Mercury Mariner Hybrid with NHTSA between 2013 and 2019.
The largest single group is the acceleration & cruise control.
Across this model's run it ranks 5 of 5 worst.
The letter says how bad. This says what kind — whether this year drew
an unusual number of complaints, unusually dangerous
ones, or failures that arrived unusually early.
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 12
Against the median year of the Mercury Mariner Hybrid. 50 means typical for this
model; 100 means roughly double.
Severity — 34
6.7% of these complaints
involved a crash, fire, injury or death, against a national rate of
9.7%.
Early failure — 49
29% of failures with a mileage on record happened under
36,000 miles, against a national rate of
29%.
How 2010 compares with every other Mercury Mariner Hybrid
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade:
A
B
C
D
F
ungraded
What breaks on a 2010 Mercury Mariner Hybrid
Every complaint is filed against a part. Follow any row for the complaints about that part alone.
Acceleration & Cruise Control
320.0%
Median failure at 54,500 miles
Steering
213.3%
Median failure at 84,000 miles
Transmission & Drivetrain
213.3%
Median failure at 81,500 miles
Engine & Cooling
213.3%
Median failure at 27,200 miles
Other & Unspecified
16.7%
Median failure at 54,500 miles
Stability & Traction Control
16.7%
Median failure at 84,000 miles
Fuel & Propulsion
16.7%
Median failure at 64,000 miles
Brakes
16.7%
Median failure at 114,780 miles
Airbags
16.7%
1 crashes, 0 fires · median 40,000 mi
Electrical System
16.7%
Median failure at 84,000 miles
When it fails
Odometer readings owners gave when they filed. About half of all
complaints include one.
10,000 – 24,999 miles
214.3%
25,000 – 49,999 miles
321.4%
50,000 – 74,999 miles
428.6%
75,000 – 99,999 miles
321.4%
100,000 – 149,999 miles
214.3%
When owners complained
A spike years after the car went on sale usually means a part wearing
out on schedule across the whole fleet — the kind of pattern no single
owner can see from inside their own car.
Jun 2013peak 3Jan 2019
NHTSA investigations into the 2010 Mercury Mariner Hybrid
An investigation is the step before a recall: the agency has seen enough
complaints to look into a pattern itself. An open one means it thinks
something may be wrong and nothing has been fixed yet.
DP22005Opened 27 Jan 2023Closed 7 Aug 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM
Pedestrian alert sounds
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 Marc...
DP15001Opened 1 Apr 2015Closed 14 Jun 2018STEERING:ELECTRIC POWER ASSIST SYSTEM
Loss of power steering while driving
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 i...
Complaints that involved harm
Reports where the owner recorded a crash, a fire, an injury or a death.
at 40,000 milesPotlatch, IDCrash
AIR BAGS
ON FRIDAY, DEC 13TH, I WAS DRIVING HOME IN CRUISE CONTROL AT 60 MPH. MY BLOOD PRESSURE DROPPED SUDDENLY AND I PASSED OUT AT THE WHEEL. I WOKE UP JUST IN TIME TO CRASH, NO TIME TO REACT. I IMPACTED, HEAD ON, A CREEK BANK AFTER JUMPING OVER THE CREEK. MY AIRBAGS DID NOT INFLATE AND I IMPACTED THE STEERING WHEEL SO HARD I BROKE THE STEERING COLUMN OFF THE DASHBOARD. 3 DAYS IN THE HOSPITAL WITH A COMPRESSED CHEST, IMPAIRED BREATHING, AND MASSIVE BRUISES. I HAD A COLD AT THE TIME AND IT MADE RECOVERY SLOWER.
NHTSA complaint #10649947 — an unverified report by a vehicle owner.
The most recent complaints
In the owners' own words, exactly as filed with NHTSA.
Cleveland Heights, OH
STEERING
POWER STEERING CONTROL MODULE PSCM) AND CLUSTER MODULE WENT OUT, STEERING IS NOT SAFE, VERY HARD TO STEER
NHTSA complaint #11164900 — an unverified report by a vehicle owner.
at 133,000 milesGaylord, MI
POWER TRAIN
CHECK ENGINE WRENCH CAME ON VEHICLE BEGAN TO LOOSE POWER. GAYLORD FORD FOUND NO RECALL BECAUSE THE CAR WAS BUILD AUGUST 2009 IN THE SAME PLANT AS OTHER VEHICLES WITH THE PROBLEM WITH THE THROTTLE SENSOR FOR POWERTRAIN. THE VEHICLE LOST POWER AND WOULD ONLY GO 30 MPH. CAR IS A 2010 MILAN HYBRID 133,000 MILES.
NHTSA complaint #10995547 — an unverified report by a vehicle owner.
at 84,000 milesWest Warwick, RI
STEERING
I HAVE BEEN ON THE PHONE WITH FORD. AN EXTREMELY MAD AND RUDE WOMAN DIDN'T OR COULDN'T ANSWER ANY QUESTIONS I HAD. SHE KEPT TELLING ME I GOT MY RECALL BE CAUSE THEY CHECKED MY COMPUTER SYSTEM BUT DIDN'T REPLACE THE RECALLED STEERING MODULE. THE WOMAN ALSO DIDN'T HANG UP SO I WAS UNABLE TO DO THE SURVEY AT THE END OF THE PHONE CALL. SOME PEOPLE ARE DISGUSTING THE WAY THEY TREAT OTHERS.
NHTSA complaint #10984259 — an unverified report by a vehicle owner.
at 84,000 milesWest Warwick, RI
ELECTRICAL SYSTEM
I HAVE BEEN ON THE PHONE WITH FORD. AN EXTREMELY MAD AND RUDE WOMAN DIDN'T OR COULDN'T ANSWER ANY QUESTIONS I HAD. SHE KEPT TELLING ME I GOT MY RECALL BE CAUSE THEY CHECKED MY COMPUTER SYSTEM BUT DIDN'T REPLACE THE RECALLED STEERING MODULE. THE WOMAN ALSO DIDN'T HANG UP SO I WAS UNABLE TO DO THE SURVEY AT THE END OF THE PHONE CALL. SOME PEOPLE ARE DISGUSTING THE WAY THEY TREAT OTHERS.
NHTSA complaint #10984259 — an unverified report by a vehicle owner.
at 84,000 milesWest Warwick, RI
ELECTRONIC STABILITY CONTROL (ESC)
I HAVE BEEN ON THE PHONE WITH FORD. AN EXTREMELY MAD AND RUDE WOMAN DIDN'T OR COULDN'T ANSWER ANY QUESTIONS I HAD. SHE KEPT TELLING ME I GOT MY RECALL BE CAUSE THEY CHECKED MY COMPUTER SYSTEM BUT DIDN'T REPLACE THE RECALLED STEERING MODULE. THE WOMAN ALSO DIDN'T HANG UP SO I WAS UNABLE TO DO THE SURVEY AT THE END OF THE PHONE CALL. SOME PEOPLE ARE DISGUSTING THE WAY THEY TREAT OTHERS.
NHTSA complaint #10984259 — an unverified report by a vehicle owner.
at 114,780 milesGarden City, NY
SERVICE BRAKES
BRAKE WARNING LIGHT AND A MESSAGE ON THE DASH SAYING "CHECK BRAKE SYSTEM" INTERMITANTLY OCCUR. BRAKES SEEM TO WORK NORMALLY. RESTARTING THE CAR TEMPORARILY FIXES THE PROBLEM, ONLY TO OCCUR AGAIN IN SEVERAL MILES. THE PROBLEM OCCURS AT ANY TIME, STANDING OR IN MOTION.
NHTSA complaint #10886139 — an unverified report by a vehicle owner.
at 54,500 milesPonte Vedra, FL
VEHICLE SPEED CONTROL
WAS STOPPED AT A RED LIGHT, CAR HAD BEEN DRIVING FINE, BUT WHEN THE LIGHT TURNED GREEN AND I PROCEEDED MY CAR SUDDENLY HAD REDUCED POWER AND WOULD NOT DRIVE MORE THAN 40-45 MPH. NO LIGHTS OR ANYTHING CAME ON THE DASH THE FIRST TIME. THE SECOND TIME HOWEVER A YELLOW/ORANGE WRENCH LIGHT APPEARED. I GOT HOME AND PARKED FOR THE REMAINDER OF THE DAY BUT THEN THE FOLLOWING DAY THE PROBLEM STILL PROCEEDED AND I THEN LET IT SIT ALL WEEKEND. THE FOLLOWING MONDAY I TURNED IT ON TO TAKE TO THE REPAIR SHOP AND THE CAR DROVE FINE THAT ENTIRE DAY. THE NEXT DAY, TUESDAY, WHILE DRIVING HOME FROM WORK IT HAPPENED AGAIN ONLY I COULDNT GO FASTER THAN 30MPH IN A 55 MPH ZONE. CAR WAS TAKEN BACK TO SHOP AND DIAGNOSED AS A FAILURE IN THE THROTTLE BODY. DURING THIS TIME OF REDUCED POWER FANS IN THE TRUNK SPACE GOT EXTREMELY LOUD AND BEGAN SUCKING IN AIR, AS IF TRYING TO COOL THE BATTERIES. NEEDLESS TO SAY FORD HAS BEEN NO HELP AND I CAN NOT GET TO WORK AS I CANNOT SAFELY DRIVE MY VEHICLE DUE TO THE LIMP HOME MODE ACTIVATING AND RANDOM TIMES. THE PRIOR INVESTIGATION INFURIATES ME TO SEE THEY EXTENDED A WATTANTY INSTEAD OF DOING RECALL BECAUSE NOW OWNERS LIKE MYSELF ARE STUCK NOT EVEN BEING ABLE TO GET TO THE DEALERSHIP BECAUSE THE CAR IS NOT SAFE TO OPERATE.
NHTSA complaint #10731417 — an unverified report by a vehicle owner.
at 54,500 milesPonte Vedra, FL
UNKNOWN OR OTHER
WAS STOPPED AT A RED LIGHT, CAR HAD BEEN DRIVING FINE, BUT WHEN THE LIGHT TURNED GREEN AND I PROCEEDED MY CAR SUDDENLY HAD REDUCED POWER AND WOULD NOT DRIVE MORE THAN 40-45 MPH. NO LIGHTS OR ANYTHING CAME ON THE DASH THE FIRST TIME. THE SECOND TIME HOWEVER A YELLOW/ORANGE WRENCH LIGHT APPEARED. I GOT HOME AND PARKED FOR THE REMAINDER OF THE DAY BUT THEN THE FOLLOWING DAY THE PROBLEM STILL PROCEEDED AND I THEN LET IT SIT ALL WEEKEND. THE FOLLOWING MONDAY I TURNED IT ON TO TAKE TO THE REPAIR SHOP AND THE CAR DROVE FINE THAT ENTIRE DAY. THE NEXT DAY, TUESDAY, WHILE DRIVING HOME FROM WORK IT HAPPENED AGAIN ONLY I COULDNT GO FASTER THAN 30MPH IN A 55 MPH ZONE. CAR WAS TAKEN BACK TO SHOP AND DIAGNOSED AS A FAILURE IN THE THROTTLE BODY. DURING THIS TIME OF REDUCED POWER FANS IN THE TRUNK SPACE GOT EXTREMELY LOUD AND BEGAN SUCKING IN AIR, AS IF TRYING TO COOL THE BATTERIES. NEEDLESS TO SAY FORD HAS BEEN NO HELP AND I CAN NOT GET TO WORK AS I CANNOT SAFELY DRIVE MY VEHICLE DUE TO THE LIMP HOME MODE ACTIVATING AND RANDOM TIMES. THE PRIOR INVESTIGATION INFURIATES ME TO SEE THEY EXTENDED A WATTANTY INSTEAD OF DOING RECALL BECAUSE NOW OWNERS LIKE MYSELF ARE STUCK NOT EVEN BEING ABLE TO GET TO THE DEALERSHIP BECAUSE THE CAR IS NOT SAFE TO OPERATE.
NHTSA complaint #10731417 — an unverified report by a vehicle owner.
at 40,000 milesPotlatch, IDCrash
AIR BAGS
ON FRIDAY, DEC 13TH, I WAS DRIVING HOME IN CRUISE CONTROL AT 60 MPH. MY BLOOD PRESSURE DROPPED SUDDENLY AND I PASSED OUT AT THE WHEEL. I WOKE UP JUST IN TIME TO CRASH, NO TIME TO REACT. I IMPACTED, HEAD ON, A CREEK BANK AFTER JUMPING OVER THE CREEK. MY AIRBAGS DID NOT INFLATE AND I IMPACTED THE STEERING WHEEL SO HARD I BROKE THE STEERING COLUMN OFF THE DASHBOARD. 3 DAYS IN THE HOSPITAL WITH A COMPRESSED CHEST, IMPAIRED BREATHING, AND MASSIVE BRUISES. I HAD A COLD AT THE TIME AND IT MADE RECOVERY SLOWER.
NHTSA complaint #10649947 — an unverified report by a vehicle owner.
at 64,000 milesTallahassee, FL
VEHICLE SPEED CONTROL
WHILE DRIVING AND ATTEMPTING TOP ACCELERATE UP TO SPEED, THE VEHICLE BEGAN TO SLOW AND HESITATE. IT WOULD NOT PROPERLY ACCELERATE. AFTER GOING A SHORT DISTANCE AT REDUCED SPEED, THE VEHICLE BEGAN TO SHAKE AND HESITATE. I WAS ABLE TO MAKE IT HOME (LUCKILY NOT TOO FAR). THE WRENCH SYMBOL ON THE DASH ILLUMINATED DURING THIS EPISODE AS WHEEL. I CHECKED THEOWNERS MANUAL AND THEN CALLED MY LOCAL DEALER WHO RECOMMENDED THE CARE BE TOWED TO DEALER AND NOT DRIVEN. THIS WAS DONE THE NEXT DAYAND AFTER A FULL DAY OF CHECKING THE VEHICLE, THE DEALER ADVISED THEY HAD NO IDEA WHAT THE PROBLEMS WAS. THEY RELEASED THE CARE TO ME. THE NEXT WEEK THE SAME SITUATION HAPPENED SEVERAL MORE TIME AND FINALLY, WHILE ON THE WAY TO DEALER, IT HAPPENED AGAIN WITH THE SERVICE ENGINE LIGHT COMING ON AS WELL. THIS TIME THE DEALER IDENTIFIED THE PROBLEM AS THE THROTTLE BODY AND REPLACED IT AT A COST INEXCESS OF $500.
NHTSA complaint #10575528 — an unverified report by a vehicle owner.
at 64,000 milesTallahassee, FL
FUEL SYSTEM, GASOLINE
WHILE DRIVING AND ATTEMPTING TOP ACCELERATE UP TO SPEED, THE VEHICLE BEGAN TO SLOW AND HESITATE. IT WOULD NOT PROPERLY ACCELERATE. AFTER GOING A SHORT DISTANCE AT REDUCED SPEED, THE VEHICLE BEGAN TO SHAKE AND HESITATE. I WAS ABLE TO MAKE IT HOME (LUCKILY NOT TOO FAR). THE WRENCH SYMBOL ON THE DASH ILLUMINATED DURING THIS EPISODE AS WHEEL. I CHECKED THEOWNERS MANUAL AND THEN CALLED MY LOCAL DEALER WHO RECOMMENDED THE CARE BE TOWED TO DEALER AND NOT DRIVEN. THIS WAS DONE THE NEXT DAYAND AFTER A FULL DAY OF CHECKING THE VEHICLE, THE DEALER ADVISED THEY HAD NO IDEA WHAT THE PROBLEMS WAS. THEY RELEASED THE CARE TO ME. THE NEXT WEEK THE SAME SITUATION HAPPENED SEVERAL MORE TIME AND FINALLY, WHILE ON THE WAY TO DEALER, IT HAPPENED AGAIN WITH THE SERVICE ENGINE LIGHT COMING ON AS WELL. THIS TIME THE DEALER IDENTIFIED THE PROBLEM AS THE THROTTLE BODY AND REPLACED IT AT A COST INEXCESS OF $500.
NHTSA complaint #10575528 — an unverified report by a vehicle owner.
at 30,000 milesPerrysburg, OH
POWER TRAIN
TL* THE CONTACT OWNS A 2010 MERCURY MARINER HYBRID. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 55 MPH THE VEHICLE BEGAN TO DECELERATE AND PROCEEDED INTO LIMP MODE AND THE WRENCH LIGHT ILLUMINATED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 30,000.
NHTSA complaint #10534196 — an unverified report by a vehicle owner.
at 30,000 milesPerrysburg, OH
ENGINE
TL* THE CONTACT OWNS A 2010 MERCURY MARINER HYBRID. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 55 MPH THE VEHICLE BEGAN TO DECELERATE AND PROCEEDED INTO LIMP MODE AND THE WRENCH LIGHT ILLUMINATED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 30,000.
NHTSA complaint #10534196 — an unverified report by a vehicle owner.
at 24,400 milesTampa, FL
VEHICLE SPEED CONTROL
TL* THE CONTACT OWNS A 2010 MERCURY MARINER. THE CONTACT STATED THAT THE VEHICLE STALLED SIX TIMES WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC BECAUSE THEY WERE UNABLE TO TAKE IT TO THE DEALER TO HAVE THE THROTTLE BODY REPLACED. THE VEHICLE WAS NOT REPAIRED FOR TWO WEEKS BECAUSE THE PART WAS ON BACK ORDER. THE FAILURE AND CURRENT MILEAGE WAS 24,400.
NHTSA complaint #10520360 — an unverified report by a vehicle owner.
at 24,400 milesTampa, FL
ENGINE
TL* THE CONTACT OWNS A 2010 MERCURY MARINER. THE CONTACT STATED THAT THE VEHICLE STALLED SIX TIMES WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC BECAUSE THEY WERE UNABLE TO TAKE IT TO THE DEALER TO HAVE THE THROTTLE BODY REPLACED. THE VEHICLE WAS NOT REPAIRED FOR TWO WEEKS BECAUSE THE PART WAS ON BACK ORDER. THE FAILURE AND CURRENT MILEAGE WAS 24,400.
NHTSA complaint #10520360 — an unverified report by a vehicle owner.