RoadVitals

2007 Mercury Mariner 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.
33
Latest Nov 29, 2025
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
10
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.
1

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2007 Mercury Mariner, 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

  • Engine923.1%
  • Electrical717.9%
  • Driver assistance410.3%
  • Airbags25.1%
  • Suspension25.1%
  • Seat belts12.6%
  • Steering12.6%
  • Tires & wheels12.6%
  • Brakes12.6%

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

Powertrain (other)

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

11
reports

From owner reports, verbatim

TL* THE CONTACT OWNS A 2007 MERCURY MARINER. WHILE THE CONTACT'S SON WAS DRIVING THE VEHICLE, THE TRANSMISSION SLIPPED AND WENT INTO OTHER GEARS. WHEN THE VEHICLE WAS IN NEUTRAL, IT SHIFTED INTO DRIVE ON ITS OWN. ON ANOTHER OCCASION, THE CONTACT'S SON STATED THAT THE VEHICLE FELT AS IF IT WERE DRAGGING AFTER IT JUMPED. IN ADDITION, "OVERDRIVE" APPEARED ON THE CONTROL PANEL THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS THEN TOWED TO ANOTHER INDEPENDENT MECHANIC WHO WAS UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INFORMED THE CONTACT TO CALL NHTSA. THE DEALER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 152,000.

NHTSA ID 11210806 · filed May 30, 2019

I HAVE JUST FOUND OUT I HAVE LOST 2ND GEAR AND 4TH GEAR IS ON ITS WAY OUT ON MY CAR. APPARENTLY THIS IS A PROBLEM THAT FORD HAS KNOWN ABOUT AT LEAST SINCE 2012, ACCORDING TO AN ONLINE FORD MOTOR COMPANY PUBLICATION, MAYBE EVEN EARLIER. THE PUBLICATION STATES THAT IT AFFECTS 2007-2008 FORD ESCAPES AND MERCURY MARINERS. WHAT I WANT TO KNOW IS, IF THEY KNEW ABOUT IT AT LEAST FIVE YEARS AGO, WHY WASN'T THERE A RECALL AND IF NOT A RECALL, SOME KIND OF FINANCIAL ASSISTANCE/COMPENSATION FOR THE REPAIRS? I'VE SHOPPED AROUND FOR PRICES AND THE BEST I COULD FIND WAS $2200.00 FOR THE REPAIR PLUS ANOTHER $225.00 FOR A RENTAL TO USE WHILE MY CAR IS BEING REPAIRED. THE REPAIR IS GOING TO TAKE 3-5 DAYS.

NHTSA ID 10956248 · filed Feb 22, 2017
All 11 reports naming powertrain (other)

Engine

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

9
reports

From owner reports, verbatim

90sWhile driving, the vehicle will suddenly display a warning message that says “Stop Safely Now”. When this message appears, the hybrid system overheats and the vehicle immediately loses power. The gasoline engine and electric motor both shut down without warning, even at highway speeds. I am forced to coast to the side of the road, which is extremely dangerous in traffic. This happens after the vehicle has been driven for a short period of time. The cooling fans appear to be running, but the hybrid electronics system overheats and triggers the shutdown safety mode. After waiting for the vehicle to cool down, it will restart, but the problem continues every time the car reaches normal driving temperature. This issue matches the symptoms covered under Ford’s previous safety actions and customer satisfaction programs for the 2005–2008 Ford Escape and Mercury Mariner Hybrid (hybrid electronics overheating and shutdown). The dealership states that no recall appears under my VIN, but the safety failure is identical. The vehicle becomes unsafe and inoperable with no advance warning beyond the brief “Stop Safely Now” message. This defect poses a serious risk of a crash, injury, or death due to the sudden loss of propulsion in traffic.

NHTSA ID 11701977 · filed Nov 29, 2025

MY SON WAS USING OUR CAR HE DROVE IT TO WORK... ALL WAS FINE...HE USED THE CAR TO GO GET LUNCH IN THE SHOPPING CENTER... DROVE BACK FROM THE SHOPPING CENTER TO A PARKING SPOT OUTSIDE HIS JOB LOCATION... HE THEN COMPLETED HIS SHIFT AT DICK'S SPORTING GOODS WHERE MY WIFE AND I MET UP WITH HIM...WE ALL PROCEEDED TO OUR CAR AND TRUCK WHICH WERE PARKED ACROSS FROM ONE ANOTHER...MY WIFE AND SON GOT IN THE MERCURY I GOT IN MY TRUCK... MY SON TRIED TO START THE MERCURY BUT IT WOULD NOT TURN OVER...MY WIFE TRIED STILL WOULD NOT TURN OVER ... CHECKED THE BATTERY ALL WAS GOOD SO I THOUGHT MAYBE THE STARTER? HAD IT TOWED , AND A STARTER REPLACED? STILL NOTHING ... MY MECHANIC SAID IT WAS THE MOTOR ? AND I WOULD NEED A NEW MOTOR !!! SO I LOOKED ON LINE AND FOUND SOMETHING ABOUT A CLASS ACTION LAWSUIT INVOLVING MERCURY MARINER 2005 TO 2008 MINE IS A 2007 ? CALLED THEM BUT THE SAID I HAVE TO CONTACT FORD MOTOR COMPANY MY SELF ???? SO THAT IS WHAT LED ME TO YOU!!! CAN YOU HELP?

NHTSA ID 10949952 · filed Feb 6, 2017
All 9 reports naming engine

Electrical

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

7
reports

From owner reports, verbatim

THE RECALL THAT FORD IS RECALLS 2007MERCURY MARINER WHILE DRIVING VEHICLE JUST SHUTS OFF I WAS WITH MY DAUGHTER DRIVING ON THE HIGHWAY LUCKY I WAS ABLE TO SWITCH ALL 4 LANES THE ENGINE GETS HOT TEMPTER GAUGE READING NORMAL IT STAYS IN THE MIDDLE TURN VEHICLE TTB BACK ON PRESS PEDAL NO POWER PUMP THE PEDAL AND HOPES IT STAYS ON ITS BEEN ACTING THREE MONTHS. *TR

NHTSA ID 11327297 · filed Jun 4, 2020

TAKATA RECALL I WAS ON THE EXPRESS WAY IN MOTION AND THE CAR SHUT DOWN MEANING THAT ALL OF THE GADGES SHUT DOWN. THEN THE CAR JUST COAST UNTIL I COULD PULL OVER WITHOUT BEING HURT OR HURTING OTHER DRIVERS. NOTHING SHOWED UP JUST SHUT DOWN.

NHTSA ID 10971929 · filed Apr 11, 2017

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

Driver assistance

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

4
reports

From owner reports, verbatim

THE "VEHICLE SPEED SENSOR" FAILED PREMATURELY, CAUSING THE ABS TO DISABLE. ITEM WAS INSPECTED AND REPAIRED BY A FORD MECHANIC AND HE ADVISED THIS WAS PREMATURE FAILURE NOT CAUSED BY ABUSE. *TR

NHTSA ID 10439211 · filed Dec 9, 2011

STICKY GAS PEDAL. *TR

NHTSA ID 10294993 · filed Dec 8, 2009

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

Airbags

Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.

2
reports

From owner reports, verbatim

REAR-ENDED A SNOW PLOW GOING 30-35 MPH WHEN I WAS GOING 60 MPH AND THE DRIVER-SIDE AIRBAG FAILED TO DEPLOY RESULTING IN SERIOUS INJURY.*DT*JB*DT*JB*DT*DT*JB*JB*DT*JB*JB*DT*JB*DT

NHTSA ID 11398743 · filed Mar 2, 2021

THIS PROBLEM OCCURS ON MY 2007 MERCURY MARINER HYBRID WITH LESS THAN 2,500 MILES. WHEN THERE IS A FRONT SEAT ADULT PASSENGER THE LIGHT ON THE DASH INTERMITTENTLY LIGHTS TO STATE "PASS AIRBAG OFF". THE ONLY OTHER TIME THIS LIGHT IS ILLUMINATED IS BRIEFLY DURING START UP. IT IS THE INTERMITTENT NATURE OF THIS LIGHT COMING ON AND GOING OFF WHEN THERE IS A PASSENGER THAT CAUSES ANXIETY FOR THE DRIVER AND PASSENGER. THERE HAVE ONLY BEEN ADULT PASSENGERS IN THIS VEHICLE. I HAVE TAKEN THE VEHICLE TO THE FORD-LINCOLN-MERCURY DEALER AND THE SERVICE ADVISOR SAID THERE WAS NOTHING THAT COULD BE DONE TO FIX THIS SITUATION. SHE SUGGESTED THAT THE PASSENGER SIT IN THE BACK SEAT. THIS IS AN UNACCEPTABLE SOLUTION. *JB

NHTSA ID 10174039 · filed Nov 22, 2006

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

Suspension

Reports naming suspension components — springs, struts, shocks, control arms and related hardware.

2
reports

From owner reports, verbatim

PREMATURE FAILURE OF THE LOWER CONTROL ARM BUSHINGS. WE HAVE HAD THEM PROFESSIONALLY INSPECTED BY FORD MECHANICS AND THEY CONFIRM THAT THEY HAVE FAILED BY 60K. *TR

NHTSA ID 10311441 · filed Feb 17, 2010

I HAVE A 2007 MERCURY MARINER I PURCHASED IN APRIL 2007. THE VEHICLE HAS BEEN IN THE SHOP 4 TIMES NOW. 3 OF THE 4 TIMES BECAUSE SOMETHING HAS "GONE OUT" ON THE VEHICLE I.E. THE GAS PEDAL, THE WHEEL BEARINGS, THE TENSION PULLEY. I ALSO FOUND OUT FROM THE DEALERSHIP THAT THAT MANUFACTURER NEVER PUT THE BOLTS ON THE TOP OF MY ENGINE TO COVER THE SPARK PLUGS. I CONTINUE TO HAVE A PROBLEM. THESE LAST THREE INCIDENTS HAVE BEEN WITHIN THE LAST MONTH AND A HALF MY VEHICLE HAS BEEN IN THE SHOP GETTING NEW PARTS. I HAVE ALWAYS BOUGHT USED. THIS IS THE FIRST VEHICLE I HAVE EVER PURCHASED A NEW VEHICLE AND I FIND IT HARD TO BELIEVE IT SHOULD HAVE THIS MANY PROBLEMS. EVERYTHING SO FAR IS COVERED UNDER WARRANTY, BUT IN 1,000 MILES I HAVE NO WARRANTY. I CAN'T IMAGINE HOW MUCH IT IS GOING TO COST IF SOMETHING ELSE "GOES OUT" ON MY BRAND NEW VEHICLE. *TR

NHTSA ID 10217991 · filed Feb 13, 2008

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

Seat belts

Reports naming seat belts, buckles, retractors and pretensioners.

1
report

From owner reports, verbatim

TL* THE CONTACT OWNS A 2007 MERCURY MARINER. THE CONTACT STATED THAT THE FRONT AND REAR DRIVER SIDE SEAT BELTS FAILED TO LATCH. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.

NHTSA ID 10692611 · filed Mar 6, 2015

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

Steering

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

1
report

From owner reports, verbatim

TL* THE CONTACT OWNS A 2007 MERCURY MARINER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THE STEERING WHEEL BECAME DIFFICULT TO MANEUVER. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS. THE TECHNICIAN STATED THAT THE STEERING COLUMN AND THE RACK AND PINION WOULD HAVE TO BE REPLACED. THE VEHICLE WAS REPAIRED HOWEVER, THE FAILURE RECURRED THREE MONTHS LATER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 49,845. *TR

NHTSA ID 10535560 · filed Aug 15, 2013

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

Tires & wheels

Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.

1
report

From owner reports, verbatim

I RECEIVED A NOTICE DATED MAY, 2009 ON JUNE 3, 2009 FROM FORD REGARDING REPORTS OF TIRE VALVE STEM CRACKS AND AIR LEAKS ON 2007 MERCURY MARINER. THEY CLAIM IT IS NOT A RECALL. I HAD A PROBLEM WITH ONE TIRE ON FEBRUARY, 23 2009 ON MY WAY TO THE AIRPORT IN THE EARLY A.M. AND HAD IT REPAIRED - WAS VALVE STEM LEAK. MY HUSBAND CHECKED THE CAR WITH A MAGNIFYING GLASS AND FLASHLIGHT (ONLY WAY TO SEE CRACKS) AND FOUND THE OTHER THREE STEM VALVES WERE CRACKED. NO ONE WITH THE NAKED EYE COULD POSSIBLY SEE THIS. MY HUSBAND SAID I COULD HAVE HAD 3 FLAT TIRES SIMULTANEOUSLY. I COULD HAVE BEEN SERIOUSLY INJURED. FORD REFUSES TO MAKE ANY REFUNDS UNDER THEIR PROGRAM. I WAS TOLD BY THE DEALERSHIP THAT THEY WERE TOLD NOT TO BRING THIS MATTER TO THE ATTENTION OF THEIR CUSTOMERS. DO THE WORK ONLY IF THE CUSTOMER ASKS THEM TOO. THIS IS MUCH TOO DANGEROUS A SITUATION AND FORD SHOULD MAKE THIS RECALL TO ALL VEHICLE OWNERS WHO COULD BE IN DANGER. THE REFUND WOULD BE NICE SINCE WE WEREN'T INFORMED OF THIS WHEN WE SHOULD HAVE BEEN BUT THE LIVES OF INNOCENT PEOPLE ARE AT STAKE BECAUSE FORD WON'T FESS UP TO CALLING THIS A RECALL. *TR

NHTSA ID 10272887 · filed Jun 4, 2009

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.

1
report

From owner reports, verbatim

THE "VEHICLE SPEED SENSOR" FAILED PREMATURELY, CAUSING THE ABS TO DISABLE. ITEM WAS INSPECTED AND REPAIRED BY A FORD MECHANIC AND HE ADVISED THIS WAS PREMATURE FAILURE NOT CAUSED BY ABUSE. *TR

NHTSA ID 10439211 · filed Dec 9, 2011

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 .