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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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How this year compares

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

Tap a category to read its complaints. One report may name several components.

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

What owners actually said

116 reports
Mileage unknown · Feb 3, 2018
Service Brakes

HCU MODULE FAILURE AT 60,000 MILES. THIS FAILURE IS MENTIONED INTSB 05-8-5 & IN NHTSA ID# 10017553 THIS SEEMS TO BE A RECURRING PROBLEM IN MANY FORD ESCAPE/ MERCURY MARINER HYBRIDS GOING BACK TO 2005. MY DEALER ESTIMATED THE COST TO BE ALMOST $6000. THIS IS VERY DISTURBING, ESPECIALLY SINCE THIS VEHICLE HAS BEEN WELL MAINTAI…

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HCU MODULE FAILURE AT 60,000 MILES. THIS FAILURE IS MENTIONED INTSB 05-8-5 & IN NHTSA ID# 10017553 THIS SEEMS TO BE A RECURRING PROBLEM IN MANY FORD ESCAPE/ MERCURY MARINER HYBRIDS GOING BACK TO 2005. MY DEALER ESTIMATED THE COST TO BE ALMOST $6000. THIS IS VERY DISTURBING, ESPECIALLY SINCE THIS VEHICLE HAS BEEN WELL MAINTAINED SINCE PURCHASED IN 2009. IS FORD GOING INVESTIGATE THIS PROBLEM? CAN YOU DO ANYTHING TO HELP WITH THE FINANCIAL BURDEN PLACED ON AN OWNER OF ONE OF YOUR VEHICLES? WE HAVE PURCHASED A NUMBER OF FORD PRODUCTS OVER THE YEARS & FEEL THAT CUSTOMER LOYALTY SHOULD BE CONSIDERED. I HAVE LOST FAITH IN FORD SINCE THIS HAS OCCURRED. I HAVE DECIDED TO NOTIFY YOU OF THIS SITUATION SINCE THIS REPAIR COST IS OUT OF THE QUESTION. THANK YOU FOR YOUR CONSIDERATION IN THIS MATTER.

NHTSA ODI #11066829

200,000 miles · Nov 27, 2017
Service Brakes

ABS WARNING LIGHT, REGEN BRAKE SYSTEM DISABLED WARNING LIGHT BRAKE SYSTEM NOT WORKING PROPERLY, HARD TO STOP VEHICLE

NHTSA ODI #11048795

142,000 miles · Sep 20, 2017
Service Brakes

ABS WARNING LIGHT COMES ON AND CHECK BRAKE SYSTEM MESSAGE COMES ON AT ANYTIME WHILE DRIVING ON SITTING STILL. LOSE BRAKING POWER, CAUSING DRIVER TO PUSH BRAKE VERY HARD TO STOP AND BRAKE PEDAL SOMETIMES GOES TO THE FLOOR AND YOU HAVE TO USE EMERGENCY BRAKE TO STOP. DEALER COULDN'T LOOK AT THE CAR FOR THREE WEEKS SAID ITS OKAY TO…

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ABS WARNING LIGHT COMES ON AND CHECK BRAKE SYSTEM MESSAGE COMES ON AT ANYTIME WHILE DRIVING ON SITTING STILL. LOSE BRAKING POWER, CAUSING DRIVER TO PUSH BRAKE VERY HARD TO STOP AND BRAKE PEDAL SOMETIMES GOES TO THE FLOOR AND YOU HAVE TO USE EMERGENCY BRAKE TO STOP. DEALER COULDN'T LOOK AT THE CAR FOR THREE WEEKS SAID ITS OKAY TO DRIVE IN "MANUAL MODE", HOWEVER MANUAL MODE ONLY USES REAR BRAKES AND WILL TAKE VEHICLE A LONG DISTANCE TO STOP IN RAINY CONDITIONS.(I WENT THROUGH A BUSY INTERSECTION IN THE RAIN AND ALMOST HAD AN ACCIDENT SO LEFT IT AT THE DEALER). DEALER HAD VEHICLE FOR ALMOST SIX WEEKS, REPLACED THE ABS HUC TWICE, FINALLY CALLED FORD. FORD ADVISED TO REPLACE ALL BRAKE HOSES "DUE TO RESTRICTIONS". DEALERS ARE TELLING OWNERS THEY HAVE TO REPLACE ABS HCU AND PART ALONE COST $4700.00. HOWEVER, FORD KNOWS OF THE PROBLEM AND IS NOT PUTTING OUT A BULLETIN OR RECALL, UNTIL SOMEONE GETS KILLED. OWNERS ARE TRADING THE UNSAFE CAR BECAUSE THE DEALER IS MISDIAGNOSING THE REAL PROBLEM WHICH COST APPROXIMATELY $300.00

NHTSA ODI #11024614

134,000 miles · Aug 12, 2017
Service Brakes

THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING 35 MPH, THE BRAKE PEDAL WAS DEPRESSED, BUT FAILED TO STOP THE VEHICLE. THE CONTACT PRESSED BRAKE PADEL TO FLOOR WHILE AVOIDING COLLISION WITH OTHER CARD. THEN PLACED THE VEHICLE INTO PARK TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED TH…

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THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING 35 MPH, THE BRAKE PEDAL WAS DEPRESSED, BUT FAILED TO STOP THE VEHICLE. THE CONTACT PRESSED BRAKE PADEL TO FLOOR WHILE AVOIDING COLLISION WITH OTHER CARD. THEN PLACED THE VEHICLE INTO PARK TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE ABS CONTROL MODULE FAILED AND NEEDED TO BE REPLACED. THE MANUFACTURER STATED THAT THE ABS MODULE CONTROL THE HYDRAULIC SYSTEM THAT CONTROL BRAKING. INFORMED TO NOTIFY NHTSA OF THE EXTREME UNSAFE BRAKING CONDITION WHEN ABS MODULE FAILS. THE FAILURE MILEAGE WAS APPROXIMATELY 134,129. FORD MOTOR COMPANY CHARGE $4,000 FOR THE ABS MODULE CONTROL. THEY ARE GOUGING THE AMERICAN CONSUMER WITH EXCESSIVE PRICING WHO WANTS TO DRIVE SAFELY.

NHTSA ODI #11014860

Mileage unknown · Aug 7, 2017
Engine

TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING 72 MPH, THE WARNING IMAGE OF A RED EXCLAMATION POINT INSIDE A TRIANGLE ILLUMINATED AND THE ENGINE STALLED. THE CONTACT PULLED THE VEHICLE OVER TO THE SIDE OF THE ROAD. THE CONTACT TURNED OFF AND RESTARTED THE ENGINE AND, AFTER A FEW MINUTES, THE VEHICLE RETURNED T…

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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING 72 MPH, THE WARNING IMAGE OF A RED EXCLAMATION POINT INSIDE A TRIANGLE ILLUMINATED AND THE ENGINE STALLED. THE CONTACT PULLED THE VEHICLE OVER TO THE SIDE OF THE ROAD. THE CONTACT TURNED OFF AND RESTARTED THE ENGINE AND, AFTER A FEW MINUTES, THE VEHICLE RETURNED TO NORMAL. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS CONTACTED AT 866-436-7332 AND STATED THAT THE VEHICLE WAS NO LONGER UNDER WARRANTY. THE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ODI #11013429

152,900 miles · Jul 20, 2017
Service Brakes

AFTER PRESSING THE BRAKE PEDDLE, THE ABS LIGHT AND RED BRAKE LIGHT COME ON AND THE REGENERATIVE BRAKING AND POWER BRAKES FAIL. IT SEEMS TO HAPPEN ONLY WHEN THE OUTDOOR TEMPERATURE IS OVER 90 DEGREES. ONCE IT HAPPENS, BRAKING REQUIRES A HARD PUSH OF THE BRAKE PEDDLE TO THE FLOOR AND STOPPING TAKES LONGER. IT IS INDEED DANGEROU…

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AFTER PRESSING THE BRAKE PEDDLE, THE ABS LIGHT AND RED BRAKE LIGHT COME ON AND THE REGENERATIVE BRAKING AND POWER BRAKES FAIL. IT SEEMS TO HAPPEN ONLY WHEN THE OUTDOOR TEMPERATURE IS OVER 90 DEGREES. ONCE IT HAPPENS, BRAKING REQUIRES A HARD PUSH OF THE BRAKE PEDDLE TO THE FLOOR AND STOPPING TAKES LONGER. IT IS INDEED DANGEROUS. MY RESEARCH SHOWS THAT THIS IS A COMMON AND DANGEROUS PROBLEM. THANKS FOR YOUR TIME, [XXX] *TT *TR

NHTSA ODI #11006625

126,000 miles · Jul 11, 2017
Service Brakes

ABS LIGHT AND REGEN BRAKES DISABLED LIGHT HAVE BEEN COMING ON WHILE DRIVING. WHILE THESE LIGHTS ARE ON, BRAKES ARE SQUISHY AND IS HARDER TO STOP CAR. THIS IS HAPPENING MORE FREQUENTLY AND AT VARYING SPEEDS. LIGHTS MAY COME ON WHEN THE CAR IS FIRST STARTED OR WHILE DRIVING AT VARYING SPEEDS.

NHTSA ODI #11004642

122,000 miles · Jun 15, 2017
Service Brakes

FAILURE OF THE REGENERATIVE BRAKING SYSTEM DUE TO A DEFECTIVE MASTER CYLINDER AND/OR HYDRAULIC CONTROL UNIT ("HCU"). VERY DANGEROUS. THERE IS NO RECALL ON THIS - WHY? MANY HAVE HAD THE SAME PROBLEM! SEE HTTP://BLOG.YAGELSKI.COM/2010/07/FORD-HYBRID-BRAKE-FAILURE-REVISITED.HTML

NHTSA ODI #10995302

200,000 miles · May 18, 2017
Service Brakes

TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING 5 MPH, THE BRAKE PEDAL WAS DEPRESSED, BUT FAILED TO STOP THE VEHICLE. THE CONTACT PLACED THE VEHICLE INTO PARK TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE MASTER CYLINDER FAILED AND THE ABS CONTROL MODULE FAILED AND NEEDE…

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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING 5 MPH, THE BRAKE PEDAL WAS DEPRESSED, BUT FAILED TO STOP THE VEHICLE. THE CONTACT PLACED THE VEHICLE INTO PARK TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE MASTER CYLINDER FAILED AND THE ABS CONTROL MODULE FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BY THE CONTACT. THE MANUFACTURER STATED THAT THEY HAD NEVER HEARD OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 200,000. THE VIN WAS NOT AVAILABLE.

NHTSA ODI #10986328

Mileage unknown · Apr 7, 2017
Steering

VEHICLE WAS BEING OPERATED AT APPROX 35 MPH WHEN SYSTEM HORN SOUNDED THEN STEERING COLUMN LOCKED UP, CAUSING NEAR MISS ACCIDENT. FORD REFUSES TO ACKNOWLEDGE ANY RECALLS OR REASSESS RECALLL UNDER NHTS CAMPAIGN 14V284000 FOR STEERING WHERE THEIR FIX APPEARS TO BE TO REPROGRAM SOFTWARE. APPEARS THAT THIS WAS A QUICK FIX THAT DIDN'T…

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VEHICLE WAS BEING OPERATED AT APPROX 35 MPH WHEN SYSTEM HORN SOUNDED THEN STEERING COLUMN LOCKED UP, CAUSING NEAR MISS ACCIDENT. FORD REFUSES TO ACKNOWLEDGE ANY RECALLS OR REASSESS RECALLL UNDER NHTS CAMPAIGN 14V284000 FOR STEERING WHERE THEIR FIX APPEARS TO BE TO REPROGRAM SOFTWARE. APPEARS THAT THIS WAS A QUICK FIX THAT DIDN'T SOLVE THE PROBLEM

NHTSA ODI #10971067

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