NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
31 reports247,000 miles · Sep 29, 2023
Hybrid Propulsion System
The contact owns a 2007 Mercury Mariner. The contact stated while driving 50 MPH, the engine started to overheat, after which the vehicle lost motive power. The contact was able to pull to the shoulder of the roadway to let the engine cool down. After restarting the vehicle, the vehicle returned to normal functionality; however,…
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The contact owns a 2007 Mercury Mariner. The contact stated while driving 50 MPH, the engine started to overheat, after which the vehicle lost motive power. The contact was able to pull to the shoulder of the roadway to let the engine cool down. After restarting the vehicle, the vehicle returned to normal functionality; however, the failure had since become a regular occurrence. The engine overheated warning light was illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 14V526000 (Hybrid Propulsion System) but the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was 247,000.
NHTSA ODI #11547303
84,000 miles · Oct 17, 2017
Service Brakes
TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 60 MPH, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD BEFORE THE VEHICLE STOPPED. THE ANTI-LOCK BRAKE SYSTEM AND THE BRAKE INDICATORS ILLUMINATED. THE CONTACT STATED THAT THE FAILURE OCCURRED FIVE OTHER TIMES INTERMITTENTLY. ONCE THE VEHICLE WAS TURNED …
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TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 60 MPH, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD BEFORE THE VEHICLE STOPPED. THE ANTI-LOCK BRAKE SYSTEM AND THE BRAKE INDICATORS ILLUMINATED. THE CONTACT STATED THAT THE FAILURE OCCURRED FIVE OTHER TIMES INTERMITTENTLY. ONCE THE VEHICLE WAS TURNED OFF AND RESTARTED, THE FAILURE WOULD STOP. THE VEHICLE WAS TAKEN TO THE DEALER (ED WHITTMEIER FORD IN CHICO, CALIFORNIA) FOR DIAGNOSTIC TESTING, BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 84,000. *TT CONSUMER STATED BRAKES FAIL INTERMITTENTLY WHEN THEY FAIL THE ABS AND BRAKE LIGHT ON THE DASH ARE LIT UP. UPDATED 7/31/18*JB
NHTSA ODI #11034106
153,794 miles · Jul 10, 2017
StructureSuspension
PASSENGER SIDE REAR INNER FENDER WELL RUSTED COMPLETELY THROUGH ABOVE THE REAR SHOCK CAUSING THE SHOCK TO POTENTIALLY BREAK THROUGH AND DROP THE WHOLE SUSPENSION AND CAUSE AND ACCIDENT OR FLIP OVER IF IT BROKE THROUGH DURING A TURN. THE REST OF THE VEHICLE HARDLY HAS ANY RUST ON IT. THE MARINER SHARES THE SAME INNER SHEET METAL …
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PASSENGER SIDE REAR INNER FENDER WELL RUSTED COMPLETELY THROUGH ABOVE THE REAR SHOCK CAUSING THE SHOCK TO POTENTIALLY BREAK THROUGH AND DROP THE WHOLE SUSPENSION AND CAUSE AND ACCIDENT OR FLIP OVER IF IT BROKE THROUGH DURING A TURN. THE REST OF THE VEHICLE HARDLY HAS ANY RUST ON IT. THE MARINER SHARES THE SAME INNER SHEET METAL AS THE FORD ESCAPE AND THERE HAVE BEEN MANY COMPLAINTS OF THIS HAPPENING TO ESCAPES. MY VEHICLE WAS STUDIED AT A FORD INVESTIGATION ABOUT 4 YEARS AGO FOR THIS PROBLEM. I WAS TOLD THEY WERE WORKING ON A SOLUTION AND NOTHING EVER HAPPENED. THE EMPLOYEE TOLD ME THAT THE UNDERCOATING THEY USED OF THESE YEARS OF ESCAPE/MARINERS WAS FAULTY AND BROKE DOWN PREMATURELY CAUSING THE INNER FENDER EXPOSED TO THE ELEMENTS. THIS IS ALSO HAPPENING ON THE DRIVER'S SIDE WHERE THE UNDERCOATING IS START TO BREAK DOWN. THIS IS NOT A CASE OF MISUSE BY THE OWNER BUT AN ACTUAL DESIGN FLAW AND A BIG SAFETY ISSUE AS THIS COULD CAUSE A LOT OF HARM. LUCKILY I HEARD THE LOUD KNOCKING FROM THE REAR END AND STOPPED DRIVING IT.
NHTSA ODI #11004011
94,500 miles · Jul 29, 2016
Service Brakes
THE BRAKE SYSTEM'S HYDRAULIC CONTROL UNIT ("HCU"). ON SEVERAL OCCASIONS WHILE DRIVING, THE BRAKE PEDAL WILL TRAVEL TO THE FLOOR WHILE TRYING TO BRAKE RESULTING IN NO BRAKING ACTION (IE., VEHICLE NOT SLOWING). THIS MIGHT HAPPEN FOR ONE OR TWO PEDAL DEPRESSIONS BEFORE THERE IS ANY SLOWING OF THE VEHICLE. THIS PROBLEM HAS PLACED…
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THE BRAKE SYSTEM'S HYDRAULIC CONTROL UNIT ("HCU"). ON SEVERAL OCCASIONS WHILE DRIVING, THE BRAKE PEDAL WILL TRAVEL TO THE FLOOR WHILE TRYING TO BRAKE RESULTING IN NO BRAKING ACTION (IE., VEHICLE NOT SLOWING). THIS MIGHT HAPPEN FOR ONE OR TWO PEDAL DEPRESSIONS BEFORE THERE IS ANY SLOWING OF THE VEHICLE. THIS PROBLEM HAS PLACED ME IN SITUATIONS WHERE I HAVE TO TAKE EVASIVE ACTION TO NOT HIT A VEHICLE IN FRONT OF ME, OR TRAVELING INTO A CONTROLLED (WITH STOP SIGNS) INTERSECTION. BELOW THERE IS A SPACE TO SPECIFY 'WHEN DID THIS HAPPEN.' I AM INPUTTING THE MOST RECENT DATE OF THIS PROBLEM, BUT IT HAS HAPPENED AT LEAST TEN TIMES BEFORE THIS.
NHTSA ODI #10891719
70,000 miles · Jul 5, 2016
Electrical System
TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. THE CONTACT STATED THAT THE ALARM SYSTEM SOUNDED INDEPENDENTLY. THE VEHICLE WAS NOT DIAGNOSED AND THE FAILURE RECURRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000.
NHTSA ODI #10882656
70,000 miles · Jan 12, 2016
Engine
TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 60 MPH, THE ENGINE STALLED AND THE INSTRUMENT PANEL DISPLAYED A TRIANGLE WITH AN EXCLAMATION POINT. THE PANEL DISPLAYED THAT THE DRIVER NEEDED TO PULL OVER IMMEDIATELY. THE CONTACT PULLED OVER AND THE IGNITION HAD TO BE TURNED TO THE OFF POSITION FO…
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TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 60 MPH, THE ENGINE STALLED AND THE INSTRUMENT PANEL DISPLAYED A TRIANGLE WITH AN EXCLAMATION POINT. THE PANEL DISPLAYED THAT THE DRIVER NEEDED TO PULL OVER IMMEDIATELY. THE CONTACT PULLED OVER AND THE IGNITION HAD TO BE TURNED TO THE OFF POSITION FOR A FEW MINUTES IN ORDER FOR THE VEHICLE TO RESTART. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE MOTOR ELECTRONIC COOLANT PUMP FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THE VEHICLE WAS NO LONGER INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V526000 (ELECTRICAL SYSTEM). THE FAILURE MILEAGE WAS APPROXIMATELY 70,000.
NHTSA ODI #10819598
65,000 miles · Aug 20, 2015
Power TrainService BrakesTraction Control System
TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE STALLED AND THE CHECK FOUR BY FOUR, SERVICE BRAKES, AND PULL OVER SAFELY WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT MENTIONED THAT WHEN THE BRAKE PEDAL WAS DEPRESSED, THE VEHICLE JERKED FORW…
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TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE STALLED AND THE CHECK FOUR BY FOUR, SERVICE BRAKES, AND PULL OVER SAFELY WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT MENTIONED THAT WHEN THE BRAKE PEDAL WAS DEPRESSED, THE VEHICLE JERKED FORWARD AND THE TRACTION CONTROL WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT THE FAILURE WAS UNABLE TO BE DIAGNOSED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 65,000.
NHTSA ODI #10750027
71,500 miles · May 5, 2015
Steering
THE POWER STEERING WENT OUT IN MY MOTHER'S 2007 MARINER HYBRID WITH 72,000 MILES DUE TO FAILURE OF THE POWER STEERING CONTROL MODULE. AFTER SEARCHING ONLINE FORUMS, I FOUND THIS TO BE A RATHER COMMON ISSUE ON THE 05-07 MARINER AND ESCAPE HYBRIDS. THE REPAIR WILL COST JUST UNDER A THOUSAND DOLLARS ONCE YOU LOCATE THE PART. AFTER …
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THE POWER STEERING WENT OUT IN MY MOTHER'S 2007 MARINER HYBRID WITH 72,000 MILES DUE TO FAILURE OF THE POWER STEERING CONTROL MODULE. AFTER SEARCHING ONLINE FORUMS, I FOUND THIS TO BE A RATHER COMMON ISSUE ON THE 05-07 MARINER AND ESCAPE HYBRIDS. THE REPAIR WILL COST JUST UNDER A THOUSAND DOLLARS ONCE YOU LOCATE THE PART. AFTER HAVING IT DIAGNOSED AT MY FORD DEALER, I CONTACTED FORD CUSTOMER CARE TO SEE IF THEY COULD RESOLVE THE ISSUE, AND THEY ACTED LIKE IT WAS SOMETHING THEY WERE UNAWARE OF EVEN THOUGH IT DOES NOT TAKE MUCH SEARCHING TO SEE IT'S A COMMON PROBLEM. ALSO IT'S A SAFETY ISSUE. THE SAME PART WAS RECALLED ON THE 08-11 ESCAPE AND MARINER HYBRIDS, AND THE RECALL SHOULD HAVE INCLUDED THE 05-07 AS WELL. FORUMS: HTTP://COMMUNITY.CARTALK.COM/DISCUSSION/2161203/2006-FORD-ESCAPE-HYBRID-POWER-STEERING-FAILURE HTTP://WWW.HYBRIDCARS.COM/FORUMS/SHOWTHREAD.PHP?100317-POWER-STEERING-FAILURE HTTP://WWW.CARCOMPLAINTS.COM/FORD/ESCAPE_HYBRID/2006/STEERING/STEERING.SHTML HTTP://WWW.GREENHYBRID.COM/FORUMS/F26/SERVICE-POWER-STEERING-MODULE-GONE-BAD-20550/INDEX2.HTML HTTP://FORUMS.EDMUNDS.COM/DISCUSSION/6206/FORD/ESCAPE-HYBRID/FORD-ESCAPE-HYBRID-SUSPENSION-STEERING-PROBLEMS. *TR
NHTSA ODI #10714681
Mileage unknown · Feb 9, 2015
Electrical System
TL*THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V526000 (HYBRID PROPULSION SYSTEM) HOWEVER, THE PART NEEDED TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS N…
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TL*THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V526000 (HYBRID PROPULSION SYSTEM) HOWEVER, THE PART NEEDED TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.
NHTSA ODI #10682197
Mileage unknown · Jan 22, 2015
Hybrid Propulsion System
2007 MERCURY MARINER HYBRID. WHILE DRIVING ABOUT 70 MPH THE VEHICLE JUST SHUT DOWN. CW THE CONSUMER STATED THE DEFECTIVE COOLANT PUMP WAS REPLACED, PRIOR TO THE RECALL. THE CONSUMER IS REQUESTING REIMBURSEMENT. RECALL # 14V526000. *JB
NHTSA ODI #10661761
NHTSA investigations
1DP22005 · 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.