Total Complaints
40 filings
MERCURY MARINER HYBRID · model year
40 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2007MERCURYMARINER HYBRID carries 40 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2007 MARINER HYBRID is service brakes with 8 filings, followed by engine and engine cooling (5) and electrical system (4). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 22 investigation files overlapping the 2007 MARINER HYBRID. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
40 filings
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| SERVICE BRAKES | 8 |
| ENGINE AND ENGINE COOLING | 5 |
| ELECTRICAL SYSTEM | 4 |
| ENGINE | 4 |
| POWER TRAIN | 3 |
| HYBRID PROPULSION SYSTEM | 3 |
| UNKNOWN OR OTHER | 2 |
| FUEL/PROPULSION SYSTEM | 2 |
| STEERING | 2 |
| SEATS | 1 |
| EQUIPMENT | 1 |
| STRUCTURE | 1 |
| ENGINE AND ENGINE COOLING:COOLING SYSTEM | 1 |
| TRACTION CONTROL SYSTEM | 1 |
| STRUCTURE:BODY | 1 |
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.
Mileage: 247,000
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
Mileage: 84,000
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 T
Mileage: 153,794
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 T
Mileage: 153,794
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.
Mileage: 94,500
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.
Mileage: 70,000
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.
Mileage: 70,000
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.
Mileage: 65,000
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.
Mileage: 65,000
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.
Mileage: 65,000
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.G
Mileage: 71,500
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.
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
I WAS TRAVELING WITH MY 15 MONTH OLD SON DRIVING ROUGHLY 45 MILES AN HOUR ON A MULTILANE STREET WHEN THE ABS LIGHT (ORANGE) AND A EXCLAMATION POINT LIGHT (RED) TURNED ON AND MY DIGITAL READ OUT SAID SERVICE BRAKES. I WOULD ESTIMATE THAT I LOST 75% OF MY BRAKING POWER. DUE TO THE LACK OF STOPPING POWER I HAD TO SWERVE ONTO A SHOULDER TO AVOID COLLIDING WITH THE CAR IN FRONT OF ME AS MY CAR GRADUALLY SLOWED DOWN. I ENDED UP IN A TURN LANE WHICH THANKFULLY WAS CLEAR AT THE TIME. I WOULD ESTIMATE THAT MY CAR REQUIRED AND EXTRA 5 TO 6 VEHICLE LENGTHS TO STOP. HAD THE TURNING LANE BEEN OCCUPIED A SIGNIFICANT COLLISION WOULD HAD ENSUED. VERY FRIGHTENING ESPECIALLY WITH MY SON IN THE CAR! I AM VERY UPSET TO SEE THAT THERE EXISTS A TECHNICAL SERVICE BULLETIN ON THE DEFECTIVE AND DANGEROUS HYDRAULIC CONTROL UNIT. THERE NEEDS TO BE A RECALL TO FIX THIS. *TR
Mileage: 106,000
INTERMITTENT FAILURE OF THE ABS SYSTEM DUE TO BROKEN ABS EXCITER RING. CAUSED UNCONTROLLED SKIDDING ON SMOOTH PARKING LOT AND JITTERY BRAKING IN TRAFFIC CONDITIONS AT ABOUT 30 MPH. *TR
Mileage: 89,935
TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE WAITING AT A TRAFFIC LIGHT, THE ENGINE STALLED AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE CONTACT RECEIVED A NOTIFICATION FOR NHTSA CAMPAIGN NUMBER 14V526000 (HYBRID PROPULSION SYSTEM). HOWEVER, THE PART NEEDED TO REMEDY THE VEHICLE WAS UNAVAILABLE. THE CONTACT BELIEVED THE FAILURE WAS RELATED TO THE RECALL. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 72,000.
Mileage: 72,000
TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE WAITING AT A TRAFFIC LIGHT, THE ENGINE STALLED AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE CONTACT RECEIVED A NOTIFICATION FOR NHTSA CAMPAIGN NUMBER 14V526000 (HYBRID PROPULSION SYSTEM). HOWEVER, THE PART NEEDED TO REMEDY THE VEHICLE WAS UNAVAILABLE. THE CONTACT BELIEVED THE FAILURE WAS RELATED TO THE RECALL. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 72,000.
Mileage: 72,000
MY SON WAS COMING TO AN INTERSECTION OF A MAIN ROAD FROM A SIDE STREET AND WHEN HE WENT TO STEP ON THE BRAKE THE SUV WOULD NOT STOP HE DIDN'T EXPECT THIS AND PUSHED DOWN AS HARD AS HE COULD IF STOPPED OUT IN THE MAIN ROAD LUCKY NO ONE WAS OUT THERE. I HAVE CHECKED ON THE WEB AND A LOT OF PEOPLE HAVE HAD THE SAME PROBLEM IT SEAM TO BE SOMETHING WITH THE ELECTRIC BRAKE SYSTEM THAT STOPS THE SUV. I USES MOSTLY THE REGENERATING SYSTEM TO STOP THE SUV NOT THE PAD ONLY A LITTLE IS USE SO IF THE SYSTEM HAS A PROBLEM YOU HAVE A DANGER OF NOT STOPPING AS QUICKLY AS EXPECTED..... YOU MAY HAVE AN MAJOR PROBLEM FROM WHAT I UNDER STAND THERE ARE A FEW THING THAT CAN CAUSE THIS CONTITION.... *TR
Mileage: 120,000
I WAS DRIVING MY '07 MARINER HYBRID ON THE NJ TURNPIKE AT FREEWAY SPEEDS WHEN THE RED TRIANGLE & MESSAGE "STOP SAFELY NOW" APPEARED ON THE DASH. THE PROPULSION SYSTEM STOPPED AND I WAS ABLE TO NAVIGATE OFF TO THE SHOULDER AND BRING THE VEHICLE TO A SAFE STOP. HAVING AN IMMEDIATE LOSS OF POWER WHILE TRAVELING ON THE TURNPIKE WAS VERY SCARY AND I FELT UNSAFE KNOWING THAT I DIDN'T HAVE ANY OPTIONS BUT TO EXIT THE FREEWAY IMMEDIATELY. THIS COULD HAVE RESULTED IN AN ACCIDENT. AFTER LETTING THE SYSTEM SIT FOR ABOUT 20-MINUTES I STARTED THE VEHICLE AND RESUMED MY TRAVEL. SAME ERROR MESSAGE AND LOSS OF PROPULSION HAPPENED AGAIN, AND THIS TIME I NAVIGATED THE HYBRID TO A FORD DEALER IN NJ. IT'S VERY SCARY TO BE TRAVELING AT HIGHWAY SPEEDS AND THEN A SECOND LATER NOT HAVE ANY PROPULSION. THIS COULD BE HANDLED MUCH BETTER AND I RECOMMEND THE ENGINE CONTINUE TO PERFORM SO THAT I CAN SAFELY EXIT THE FREEWAY WITH MORE TIME. *JS
Mileage: 65,000
I WAS DRIVING MY '07 MARINER HYBRID ON THE NJ TURNPIKE AT FREEWAY SPEEDS WHEN THE RED TRIANGLE & MESSAGE "STOP SAFELY NOW" APPEARED ON THE DASH. THE PROPULSION SYSTEM STOPPED AND I WAS ABLE TO NAVIGATE OFF TO THE SHOULDER AND BRING THE VEHICLE TO A SAFE STOP. HAVING AN IMMEDIATE LOSS OF POWER WHILE TRAVELING ON THE TURNPIKE WAS VERY SCARY AND I FELT UNSAFE KNOWING THAT I DIDN'T HAVE ANY OPTIONS BUT TO EXIT THE FREEWAY IMMEDIATELY. THIS COULD HAVE RESULTED IN AN ACCIDENT. AFTER LETTING THE SYSTEM SIT FOR ABOUT 20-MINUTES I STARTED THE VEHICLE AND RESUMED MY TRAVEL. SAME ERROR MESSAGE AND LOSS OF PROPULSION HAPPENED AGAIN, AND THIS TIME I NAVIGATED THE HYBRID TO A FORD DEALER IN NJ. IT'S VERY SCARY TO BE TRAVELING AT HIGHWAY SPEEDS AND THEN A SECOND LATER NOT HAVE ANY PROPULSION. THIS COULD BE HANDLED MUCH BETTER AND I RECOMMEND THE ENGINE CONTINUE TO PERFORM SO THAT I CAN SAFELY EXIT THE FREEWAY WITH MORE TIME. *JS
Mileage: 65,000
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.