RoadVitals

2009 Mercury Mariner Hybrid Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
21
Latest May 21, 2019
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
7
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
2

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2009 Mercury Mariner Hybrid, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

  • Steering826.7%
  • Driver assistance723.3%
  • Engine413.3%
  • Brakes413.3%
  • Fuel system310.0%
  • Electrical310.0%
  • Powertrain (other)13.3%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Steering

Reports naming the steering system — racks, columns, power-steering assist and steering linkage.

8
reports

From owner reports, verbatim

VEHICLE STEERING IS INTERMITTENTLY GOING OUT AND DRIVER IS UNABLE TO TURN THE VEHICLE. I HAVE CONTACTTED FORD AND THERE IS AN EXISTING RECALL (14S05) FOR THIS VERY ITEM AND MY VEHICLE (YEAR, MAKE & MODEL) IS LISTED BUT THEY SAY MY SPECIFIC VEHICLE DOES NOT QUALIFY.

NHTSA ID 11209102 · filed May 21, 2019

POWER STEERING WENT OUT, COULDN'T TURN VEHICLE FAST ENOUGH TO AVOID CRASH. RECALL 14S05.

NHTSA ID 11186852 · filed Mar 14, 2019
All 8 reports naming steering

Driver assistance

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.

7
reports

From owner reports, verbatim

I WAS ON MY WAY TO DROP MY 3 MONTH OLD OFF AT DAYCARE AND THEN TO WORK. I WAS DRIVING DOWN THE HIGHWAY GOING 60 MPH WITH THE CRUISE CONTROL SET WHEN I FEEL THE CAR START TO JERK BACK AND FORTH A LITTLE. I LOOK AT MY GAUGES ALL ARE NORMAL EXCEPT THE RPM GAUGE IS JUMPING UP AND DOWN THEN ALL OF A SUDDEN IT IS KICK OUT OF CRUISE CONTROL, AND I LOSE ACCELERATION AND A WRENCH LIGHT CAME ON. I WAS ALMOST HIT BY 2 VEHICLES BECAUSE OF THE SUDDEN LOSE ON SPEED. AS I WAS LOSING ACCELERATION, I WAS TRYING NOT TO BRAKE BECAUSE I THOUGHT IT WAS GOING TO DIE. IT DID NOT DIE BUT I WAS NOT ABLE TO GO ANY FASTER THAN 25 -30 MPH. I DROVE IT STRAIGHT TO MY MECHANIC AND GOT THE CODE P2112. THIS IS FOR THE THROTTLE BODY. THERE WAS A RECALL ISSUED ON THIS FOR THE MERCURY MARINERS BUT IT DID NOT INCLUDE THE HYBRIDS. PLEASE HELP

NHTSA ID 11020561 · filed Aug 30, 2017

THROTTLE BODY PROBLEM. ALL OF A SUDDEN I HAD NO POWER AND BARELY MADE IT HOME. I HAD TO BE TOWED TO RAMEY FORD IN PRINCETON, WV THEY REPLACED THROTTLE BODY BUT I HAD TO PAY $100 DEDUCTIBLE. THIS CAR WAS PART OF A CUSTOMER SERVICE ARRANGEMENT WORKED OUT WITH NHTSA BUT THE VIN WAS NOT INCLUDED AND I WAS TOLD IT WAS NOT COVERED FOR COST OF REPLACEMENT . THIS WAS A VERY DANGEROUS SITUATION AND COULD HAVE RESULTED IN AN ACCIDENT. I FEEL THE PART SHOULD HAVE BEEN REPLACED WITHOUT ANY CHARGE SINCE OTHER VEHICLES IN THIS CLASS HAD THE SAME PROBLEM. THERE WAS NO OFFER TO REIMBURSE ME FOR MY TOW SINCE THE VEHICLE WAS TOTALLY DISABLED. THIS WAS A PROBLEM THAT FORD AND THE NHTSA WERE AWARE OF AND MY VEHICLE HAD THE SAME PROBLEM AS OTHERS. I FEEL THAT I SHOULD NOT HAVE TO PAY FOR LABOR OR TOW TO CORRECT A DEFECT. *TR

NHTSA ID 10929802 · filed Dec 4, 2016

Too few reports in this category for a page of its own — they appear in the full complaint list.

Engine

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.

4
reports

From owner reports, verbatim

I WAS ON MY WAY TO DROP MY 3 MONTH OLD OFF AT DAYCARE AND THEN TO WORK. I WAS DRIVING DOWN THE HIGHWAY GOING 60 MPH WITH THE CRUISE CONTROL SET WHEN I FEEL THE CAR START TO JERK BACK AND FORTH A LITTLE. I LOOK AT MY GAUGES ALL ARE NORMAL EXCEPT THE RPM GAUGE IS JUMPING UP AND DOWN THEN ALL OF A SUDDEN IT IS KICK OUT OF CRUISE CONTROL, AND I LOSE ACCELERATION AND A WRENCH LIGHT CAME ON. I WAS ALMOST HIT BY 2 VEHICLES BECAUSE OF THE SUDDEN LOSE ON SPEED. AS I WAS LOSING ACCELERATION, I WAS TRYING NOT TO BRAKE BECAUSE I THOUGHT IT WAS GOING TO DIE. IT DID NOT DIE BUT I WAS NOT ABLE TO GO ANY FASTER THAN 25 -30 MPH. I DROVE IT STRAIGHT TO MY MECHANIC AND GOT THE CODE P2112. THIS IS FOR THE THROTTLE BODY. THERE WAS A RECALL ISSUED ON THIS FOR THE MERCURY MARINERS BUT IT DID NOT INCLUDE THE HYBRIDS. PLEASE HELP

NHTSA ID 11020561 · filed Aug 30, 2017

2009 MERCURY MARINER HYBRID WITH 93000 MILES DRIVING 50 MPH ON A SIX-LANE BLVD. HESITATES BRIEFLY, THEN ACCELERATOR CEASES TO FUNCTION COMPLETELY. DESPITE THE EXTREMELY DANGEROUS SITUATION, WE MANAGED TO MANEUVER THE CAR OFF THE ROAD TO SAFETY. WARNING LIGHT (TRIANGLE WITH EXCLAMATION POINT) AND WARNING MESSAGE "STOP SAFELY NOW". THE CAR COMPUTER KNOWS THERE IS A PROBLEM, WHY DOESN'T FORD? THEY CONDUCTED A "CUSTOMER SATISFACTION PROGRAM" FOR MILLIONS OF ESCAPE AND MARINER OWNERS FOR THIS VERY ISSUE - THROTTLE BODY DEFECT - BUT NOT HYBRIDS. WHY NOT? IT COST US $300 AND NEARLY A MULTI-CAR ACCIDENT. FORD NEEDS TO BE HELD ACCOUNTABLE FOR MANUFACTURERS DEFECTS IN ALL CARS, NOT JUST SOME. PUTTING FAMILIES IN HARM'S WAY BECAUSE FORD DOESN'T HAVE THE INTEGRITY TO TAKE RESPONSIBILITY FOR THEIR VEHICLE ISSUES IS COMPLETELY UNACCEPTABLE. THIS SHOULD BE INVESTIGATED, AND FORD NEEDS TO BE HELD LIABLE.

NHTSA ID 10924881 · filed Nov 7, 2016

Too few reports in this category for a page of its own — they appear in the full complaint list.

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

4
reports

From owner reports, verbatim

THE ABS SYSTEM TURN OFF, TOOK TO SHOP THEY COULD NOT FINE TROUBLE IT HAD RESET. TODAY SAME THING ABS TURN OFF. WILL TAKE IT IN IF IT DOES NOT RESET. BOTH TIMES THAT IT TURN OFF CAR WAS PARKED AND I WAS JUST STARTING IT TO LEAVE..*I WOULD SEE A WARNING THAT SAYS 'REGEN BRAKE FAILURE.' *THE ABS JUST WENT OUT ONE DAY WHILE COMING HOME FROM THE STORE, AND WOULD RESET WHEN THE CAR SAT FOR A WHILE. AND SYRE WAS NOT FUN TO DRIVE, BUT UNLESS IT STAYED OFF THERE WAS NOT MUCH THEY COULD DO AT FORD TO FINE OUT WHAT WAS GOING ON. IT WENT OFF AND STAYED OFF AND THEN FORD FIXED IT, REPLACED THE ABS MODULE IT HAS BEEN O.K. SINCE THEN. I DID NOT LIKE THE PRICE OF THE REPAIR AT $1933.03. I DO NOT THINK A WOMEN WOULD BE ABLE TO STOP HER CAR IF THIS HAPPEN TO HER WHILE DRIVING YOU NEED TOO MUCH PUSH ON THE BRAKE TO STOP EVEN WHEN GOING SLOW, AND IF GOING THE SPEED POSTED TWO FEET MAYBE*SMCH

NHTSA ID 10919135 · filed Oct 26, 2016

WHILE DRIVING DOWN THE ROAD, ALL OF THE WARNING LIGHTS ON THE DASH BOARD CAME ON AND THEN THE BREAKS FAILED. WE WERE ABLE TO GET TO SAFETY AFTER GOING OFF THE ROAD. WHEN TAKEN INTO THE FORD MOTOR COMPANY REPAIR SHOP THEY RESET THE CODES AND SAID EVERYTHING WAS FINE, NO PARTS TO REPAIR. LESS THAN 50 MILES LATER, THE SAME THING HAPPENED AGAIN INJURING 3! THIS TIME IT'S THE ABS MODULE. AFTER CALLING THE FORD MOTOR COMPANY, THEY REFUSE TO ADMIT THERE IS ANY PROBLEM AND NO REASON FOR A RECALL. WE WERE GIVEN THE NHTSA INFORMATION TO MAKE A COMPLAINT AND IF EVENTUALLY NHTSA INFORMS FORD THAT THEY MUST DO A RECALL WE CAN BE GIVEN A REFUND FOR OUR MONEY SPENT ON THIS REPAIR. OUR QUESTION IS WHAT HAPPENS WHEN SOMEONE DIES? DOES IT TAKE THAT BEFORE SOMEONE IS GOING TO DO SOMETHING ABOUT THE KNOWN HYBRID BREAKING PROBLEMS? THE MANGER AT THE FORD MOTOR COMPANY CUSTOMER SERVICE DOESN'T THINK IT'S AN ISSUE WORTH LOOKING INTO ONLY TO SAY THAT A VEHICLE WITH HIGH MILEAGE SHOULD BE TAKEN CARE OF AND REPAIRED BY THE OWNERS. NOT THAT FORD IS RESPONSIBLE FOR FAULTY PARTS! PLEASE NHTSA DO SOMETHING ABOUT THE HYBRID BREAKING SYSTEM BEFORE MULTIPLE PEOPLE CONTINUE TO BE INJURED OR ARE KILLED!

NHTSA ID 10717782 · filed May 21, 2015

Too few reports in this category for a page of its own — they appear in the full complaint list.

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

3
reports

From owner reports, verbatim

THROTTLE BODY PROBLEM. ALL OF A SUDDEN I HAD NO POWER AND BARELY MADE IT HOME. I HAD TO BE TOWED TO RAMEY FORD IN PRINCETON, WV THEY REPLACED THROTTLE BODY BUT I HAD TO PAY $100 DEDUCTIBLE. THIS CAR WAS PART OF A CUSTOMER SERVICE ARRANGEMENT WORKED OUT WITH NHTSA BUT THE VIN WAS NOT INCLUDED AND I WAS TOLD IT WAS NOT COVERED FOR COST OF REPLACEMENT . THIS WAS A VERY DANGEROUS SITUATION AND COULD HAVE RESULTED IN AN ACCIDENT. I FEEL THE PART SHOULD HAVE BEEN REPLACED WITHOUT ANY CHARGE SINCE OTHER VEHICLES IN THIS CLASS HAD THE SAME PROBLEM. THERE WAS NO OFFER TO REIMBURSE ME FOR MY TOW SINCE THE VEHICLE WAS TOTALLY DISABLED. THIS WAS A PROBLEM THAT FORD AND THE NHTSA WERE AWARE OF AND MY VEHICLE HAD THE SAME PROBLEM AS OTHERS. I FEEL THAT I SHOULD NOT HAVE TO PAY FOR LABOR OR TOW TO CORRECT A DEFECT. *TR

NHTSA ID 10929802 · filed Dec 4, 2016

VEHICLE LOSES ALL ABILITY TO CONTROL THE THROTTLE BOTH WHILE AT HIGHWAY SPEED AND WHEN PULLING AWAY FROM A STOP. "WRENCH" FAULT INDICATOR ON THE DASHBOARD ILLUMINATES. RESTARTING THE VEHICLE RESTORES NORMAL OPERATING CONDITIONS UNTIL THE ISSUE REAPPEARS. THERE IS NO FAULT CODE ON OBDII READER AFTER RESTARTING THE ENGINE. *TR

NHTSA ID 10679147 · filed Jan 27, 2015

Too few reports in this category for a page of its own — they appear in the full complaint list.

Electrical

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.

3
reports

From owner reports, verbatim

WHILE DRIVING DOWN THE ROAD, ALL OF THE WARNING LIGHTS ON THE DASH BOARD CAME ON AND THEN THE BREAKS FAILED. WE WERE ABLE TO GET TO SAFETY AFTER GOING OFF THE ROAD. WHEN TAKEN INTO THE FORD MOTOR COMPANY REPAIR SHOP THEY RESET THE CODES AND SAID EVERYTHING WAS FINE, NO PARTS TO REPAIR. LESS THAN 50 MILES LATER, THE SAME THING HAPPENED AGAIN INJURING 3! THIS TIME IT'S THE ABS MODULE. AFTER CALLING THE FORD MOTOR COMPANY, THEY REFUSE TO ADMIT THERE IS ANY PROBLEM AND NO REASON FOR A RECALL. WE WERE GIVEN THE NHTSA INFORMATION TO MAKE A COMPLAINT AND IF EVENTUALLY NHTSA INFORMS FORD THAT THEY MUST DO A RECALL WE CAN BE GIVEN A REFUND FOR OUR MONEY SPENT ON THIS REPAIR. OUR QUESTION IS WHAT HAPPENS WHEN SOMEONE DIES? DOES IT TAKE THAT BEFORE SOMEONE IS GOING TO DO SOMETHING ABOUT THE KNOWN HYBRID BREAKING PROBLEMS? THE MANGER AT THE FORD MOTOR COMPANY CUSTOMER SERVICE DOESN'T THINK IT'S AN ISSUE WORTH LOOKING INTO ONLY TO SAY THAT A VEHICLE WITH HIGH MILEAGE SHOULD BE TAKEN CARE OF AND REPAIRED BY THE OWNERS. NOT THAT FORD IS RESPONSIBLE FOR FAULTY PARTS! PLEASE NHTSA DO SOMETHING ABOUT THE HYBRID BREAKING SYSTEM BEFORE MULTIPLE PEOPLE CONTINUE TO BE INJURED OR ARE KILLED!

NHTSA ID 10717782 · filed May 21, 2015

VEHICLE LOSES ALL ABILITY TO CONTROL THE THROTTLE BOTH WHILE AT HIGHWAY SPEED AND WHEN PULLING AWAY FROM A STOP. "WRENCH" FAULT INDICATOR ON THE DASHBOARD ILLUMINATES. RESTARTING THE VEHICLE RESTORES NORMAL OPERATING CONDITIONS UNTIL THE ISSUE REAPPEARS. THERE IS NO FAULT CODE ON OBDII READER AFTER RESTARTING THE ENGINE. *TR

NHTSA ID 10679147 · filed Jan 27, 2015

Too few reports in this category for a page of its own — they appear in the full complaint list.

Powertrain (other)

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.

1
report

From owner reports, verbatim

I WAS ON MY WAY TO DROP MY 3 MONTH OLD OFF AT DAYCARE AND THEN TO WORK. I WAS DRIVING DOWN THE HIGHWAY GOING 60 MPH WITH THE CRUISE CONTROL SET WHEN I FEEL THE CAR START TO JERK BACK AND FORTH A LITTLE. I LOOK AT MY GAUGES ALL ARE NORMAL EXCEPT THE RPM GAUGE IS JUMPING UP AND DOWN THEN ALL OF A SUDDEN IT IS KICK OUT OF CRUISE CONTROL, AND I LOSE ACCELERATION AND A WRENCH LIGHT CAME ON. I WAS ALMOST HIT BY 2 VEHICLES BECAUSE OF THE SUDDEN LOSE ON SPEED. AS I WAS LOSING ACCELERATION, I WAS TRYING NOT TO BRAKE BECAUSE I THOUGHT IT WAS GOING TO DIE. IT DID NOT DIE BUT I WAS NOT ABLE TO GO ANY FASTER THAN 25 -30 MPH. I DROVE IT STRAIGHT TO MY MECHANIC AND GOT THE CODE P2112. THIS IS FOR THE THROTTLE BODY. THERE WAS A RECALL ISSUED ON THIS FOR THE MERCURY MARINERS BUT IT DID NOT INCLUDE THE HYBRIDS. PLEASE HELP

NHTSA ID 11020561 · filed Aug 30, 2017

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .