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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

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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

Service Brakes complaints

29 reports
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85,000 miles · Feb 26, 2016
Service Brakes

WHEN BRAKING IT TAKES THE VEHICLE ALONG TIME TO COME TO A STOP WHILE DRIVING DEALER SAYS THAT THE HYDRAULIC CONTROL UNIT IS BAD ( HCU ) THEY WANT 4,000 DOLLARS TO FIX IT.

NHTSA ODI #10838608

106,200 miles · Feb 6, 2015
Electrical SystemService Brakes

WHEN DECELERATING DOWN HILL THE BRAKES BECAME SEEMED TO HAVE NO POWER TO STOP THE CAR AND REQUIRED EXTREME FORCE TO STOP THE CAR. AFTERWARDS THE ELECTRONIC MOTOR DISENGAGED FROM THE ENGINE AND THE AUTOMOBILE RUNS ON COMBUSTION ENGINE ONLY WITHOUT THE HYBRID ELECTRIC MOTOR ASSIST. *JS

NHTSA ODI #10681848

93,000 miles · Feb 5, 2015
Service Brakes

TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 5 MPH, THE CONTACT APPLIED THE BRAKES AND HEARD AN ABNORMAL GRINDING SOUND FROM THE BRAKES. ALSO, THE ABS WARNING LIGHT ILLUMINATED. THE FAILURES RECURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE ME…

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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 5 MPH, THE CONTACT APPLIED THE BRAKES AND HEARD AN ABNORMAL GRINDING SOUND FROM THE BRAKES. ALSO, THE ABS WARNING LIGHT ILLUMINATED. THE FAILURES RECURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE MECHANIC STATED THAT THE ABS UNIT NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 93,000.

NHTSA ODI #10681447

84,000 miles · Feb 1, 2015
Service BrakesStructure

THE ABS TONE RINGS ON THE 2008 MODEL MERCURY MARINER AND FORD ESCAPE ARE DEFECTIVE IN DESIGN - THEY ARE THIN METAL, BUT PUT UNDER STRESS BY BEING FORCED ONTO THE HALF-SHAFT (DIFFERENT METAL, DIFFERENT EXPANSION RATE), AND THEREFORE PRONE TO CRACKING/BREAKING. WHEN CRACKED/BROKEN, THEY CAUSE THE ABS BRAKE SYSTEM AND REGENERATIVE…

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THE ABS TONE RINGS ON THE 2008 MODEL MERCURY MARINER AND FORD ESCAPE ARE DEFECTIVE IN DESIGN - THEY ARE THIN METAL, BUT PUT UNDER STRESS BY BEING FORCED ONTO THE HALF-SHAFT (DIFFERENT METAL, DIFFERENT EXPANSION RATE), AND THEREFORE PRONE TO CRACKING/BREAKING. WHEN CRACKED/BROKEN, THEY CAUSE THE ABS BRAKE SYSTEM AND REGENERATIVE BRAKING TO FAULT OUT, SOMETIMES INTERMITTENTLY AND WITH NO WARNING. THE PART ITSELF IS CHEAP (~$10 EACH), AND APPARENTLY SHOULD BE, BUT THE DEALER WILL NOT SELL THEM SEPARATELY, AND INSTEAD REQUIRES THE OWNER TO REPLACE THE HALF-SHAFT, WITH ESTIMATES FROM THE DEALERSHIP AND INDEPENDENT MECHANICS OF BETWEEN $400 AND $1000 TO REPLACE BOTH FRONT HALF-SHAFTS. SIMPLY MAKING THE PART THICKER, OR OF THE SAME METAL AS THE HALF-SHAFT, WOULD FIX THE PROBLEM - INSTEAD, FORD FORCES OWNERS TO CHOOSE BETWEEN AN UNSAFE VEHICLE AND ROBBERY, WITH NO GUARANTEE THAT THE PROBLEM WOULDN'T RECUR WITHIN A MONTH OF DRIVING (THE CRACKING SEEMS TO BE MORE RELATED TO TEMPERATURE THAN MILEAGE). THIS SHOULD BE RECALLED AND FORD SHOULD BE FORCED TO REPLACE THESE AT THEIR OWN COST - I BET THEY'D THEN "DISCOVER" A WAY TO PREVENT RECURRENCE IF THEY WERE PAYING OUT OF THEIR OWN POCKET FOR ANY THAT FAILED BEFORE 100,000 MILES. A CURSORY SEARCH ON THE INTERNET WILL TURN UP THOUSANDS OF RESULTS FOR THIS PROBLEM. *TR

NHTSA ODI #10680340

29,000 miles · Apr 15, 2014
Service BrakesUnknown Or OtherVehicle Speed Control

ABS AND EMERGENCY BRAKE LIGHT CAME ON SPONTANEOUSLY. BRAKING ABNORMAL AND UNABLE TO STOP VEHICLE. BRAKING SYSTEM NOT WORKING. NEUTRAL AND HAD TO DO SHOULDERS TO CONTROL VEHICLE AND SLOW DOWN GRADUALLY. VERY DANGEROUS! *TT

NHTSA ODI #10582966

18,600 miles · Mar 3, 2014
Service Brakes

REGENERATIVE BRAKING SYSTEM LIGHT APPEARED ON DASH, 2013. TOOK VEHICLE IN TO GET CHECKED. WAS TOLD THAT IT WAS THE MASTER CYLINDER. COST APPROX 1500.00. WENT ON LINE AND FOUND THAT OTHER PEOPLE HAD SAME EXPERIENCE AND AFTER PAYING FOR THE REPLACEMENT OF THE MASTER CYLINDER THEY THEN HAD TO REPLACE THE AN ABS MODULE TO THE TUN…

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REGENERATIVE BRAKING SYSTEM LIGHT APPEARED ON DASH, 2013. TOOK VEHICLE IN TO GET CHECKED. WAS TOLD THAT IT WAS THE MASTER CYLINDER. COST APPROX 1500.00. WENT ON LINE AND FOUND THAT OTHER PEOPLE HAD SAME EXPERIENCE AND AFTER PAYING FOR THE REPLACEMENT OF THE MASTER CYLINDER THEY THEN HAD TO REPLACE THE AN ABS MODULE TO THE TUNE OF 4500.00. TOOK MY VEHICLE TO ANOTHER DEALERSHIP FEB OF 2014 AND WAS TOLD THE ABS MODULE NEEDED REPLACED FOR 4,724.00 AND THEN THE MASTER CYLINDER FOR 1360.00. THE MECHANIC DID NOT ADVISE DRIVING DUE TO THE POTENTIAL BRAKE FAILURE. I ONLY HAVE 18,600 MILES ON THIS VEHICLE WHICH MAKES IT DIFFICULT TO JUSTIFY PUTTING THAT MUCH MORE MONEY INTO IT. IT SEEMS TO A PROBLEM FORD NEEDS TO DEAL WITH. IT DOES INVOLVE A SAFETY ISSUE AND I'M NOT SURE IF THEY ARE GOING TO WAIT UNTIL SOME ONE DIES BEFORE THEY DECIDE TO DO A RECALL. *TR

NHTSA ODI #10566738

65,000 miles · Nov 8, 2013
Service Brakes

FROM DOING RESEARCH ON THE INTERNET I FOUND THIS IS A HUGE PROBLEM WITH BOTH MERCURY MARINERS AND FORD ESCAPE HYBRIDS. I WAS IN SHOCK WHEN THE DEALER TOLD ME IT WILL COST $4,800.00 TO REPAIR THE ABS BRAKES. THIS IS A SAFETY FLAW THAT SHOULD BE A RECALL. I ONLY HAVE 65,000 MILES AND HIGH PAYMENTS ON THIS VEHICLE. I TOLD THE DEALE…

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FROM DOING RESEARCH ON THE INTERNET I FOUND THIS IS A HUGE PROBLEM WITH BOTH MERCURY MARINERS AND FORD ESCAPE HYBRIDS. I WAS IN SHOCK WHEN THE DEALER TOLD ME IT WILL COST $4,800.00 TO REPAIR THE ABS BRAKES. THIS IS A SAFETY FLAW THAT SHOULD BE A RECALL. I ONLY HAVE 65,000 MILES AND HIGH PAYMENTS ON THIS VEHICLE. I TOLD THE DEALER I WOULD NOT PAY THIS. THEY FIXED THE SUV WITHOUT MY PERMISSION SAYING IT WAS FOR MY SAFETY. IS THIS LEGAL? I DIDN'T AGREE WITH PAYING ANY COST. *TR

NHTSA ODI #10551581

56,135 miles · Aug 21, 2013
Service Brakes

DURING BRAKING TO STOP OR TURN, THE BRAKES ENGAGED AND RELEASED AT LOW SPEED THEN REENGAGED, CAUSING A LURCH. THIS PROBLEM WAS ONGOING BUT INTERMITTENT. UPON RESEARCHING THE ISSUE AND AFTER SEPARATE SERVICE VISITS TO TWO DIFFERENT FORD DEALERS, WITH MY INPUT FROM ONLINE FORUMS, THE TONE RINGS ON BOTH FRONT BRAKES WERE REPLACED…

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DURING BRAKING TO STOP OR TURN, THE BRAKES ENGAGED AND RELEASED AT LOW SPEED THEN REENGAGED, CAUSING A LURCH. THIS PROBLEM WAS ONGOING BUT INTERMITTENT. UPON RESEARCHING THE ISSUE AND AFTER SEPARATE SERVICE VISITS TO TWO DIFFERENT FORD DEALERS, WITH MY INPUT FROM ONLINE FORUMS, THE TONE RINGS ON BOTH FRONT BRAKES WERE REPLACED, RESOLVING THE PROBLEM. THESE RINGS WERE CRACKED AND ACCORDING TO THE DEALER, THIS IS A COMMON PROBLEM AND I THINK THESE PARTS ARE DEFECTIVE. *TR

NHTSA ODI #10536478

104,000 miles · Apr 16, 2013
Service BrakesCrash

TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE PULLING INTO A PARKING LOT AT 3 MPH, SHE ATTEMPTED TO ENGAGE THE BRAKES BUT THEY FAILED TO STOP THE VEHICLE. THE CONTACT MENTIONED THAT THE ABS AND THE CHECK BRAKE WARNING LAMP ILLUMINATED. ALSO, THE CONTACT STATED THAT SHE HAD TO CRASH INTO A TREE…

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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE PULLING INTO A PARKING LOT AT 3 MPH, SHE ATTEMPTED TO ENGAGE THE BRAKES BUT THEY FAILED TO STOP THE VEHICLE. THE CONTACT MENTIONED THAT THE ABS AND THE CHECK BRAKE WARNING LAMP ILLUMINATED. ALSO, THE CONTACT STATED THAT SHE HAD TO CRASH INTO A TREE IN ORDER TO STOP THE VEHICLE. NO INJURIES WERE REPORTED. THE VEHICLE WAS TOWED TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE CURRENT AND FAILURE MILEAGE WAS 104,000. *TR

NHTSA ODI #10508401

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