Problems · NHTSA complaints
2006 Mercury Mariner Hybrid problems
Owners filed 38 complaints about the 2006 Mercury Mariner Hybrid with NHTSA between Dec 2007 and Dec 2021. The most-cited component is engine (11).
Complaints
38
Filed with NHTSA
Crashes
3
Reported by owners
Fires
1
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Engine11
- Service brakes10
- Electrical system10
- Steering5
- Power train5
- Hybrid propulsion system3
- Fuel/propulsion system3
- Service brakes, hydraulic3
- Service brakes, electric2
- Engine and engine cooling1
- Electronic stability control (esc)1
- Fuel system, other1
- Other / unknown1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 9, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
0
2
4
1
6
2
4
6
2
2
5
2
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2007 | 1 |
| 2008 | 0 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 1 |
| 2012 | 6 |
| 2013 | 2 |
| 2014 | 4 |
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 0 |
| 2021 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Engine
11 reports
“I WAS DRIVING MY 2006 MERCURY MARINER HYBRID DOWN THE ROAD GOING APPROXIMATELY 35-40 MPH. THE VEHICLE SHUT OFF AND THE DASH READ STOP SAFELY NOW. I COULD STILL STEER AND BRAKE. IT WOULD NOT RESTART RIGHT AWAY. I TRIED RESTARTING IN ABOUT A HALF AN HOUR AND IT STARTED. I THEN DROVE FOR APPROXIMATELY 100 YARDS AND THE VEHICLE SHUT OFF AGAIN AND THE SAME DASH READING . I FINALLY AFTER SEVERAL ATTEMPTS TO GETBACKHOMEWITHTHISHAPPENINGABOUTEVERY100YARDS.IHADTHECARTOWEDTOMYLOCALMECHANICANDWASTOLDTHATINEEDEDTOCONTACTFORDDEALERSHIPBECAUSE:RECALLSUBJECT:MOTORELECTRONICSCOOLANTPUMPFAILUREREPORTRECEIPTDATE:SEP03,2014NHTSA CAMPAIGN NUMBER: 14V526000 COMPONENT(S): HYBRID PROPULSION SYSTEM POTENTIAL NUMBER OF UNITS AFFECTED: 70,209 ALL PRODUCTS ASSOCIATED WITH THIS RECALL VEHICLE MAKE MODEL MODEL YEAR(S) FORD ESCAPE 2005-2008 MERCURY MARINER 2006-2008DETAILSMANUFACTURER: FORD MOTOR COMPANYSUMMARY:FORD MOTOR COMPANY (FORD) IS RECALLING CERTAIN MODEL YEAR 2005-2008 FORD ESCAPE HYBRID ELECTRIC VEHICLES MANUFACTURED OCTOBER 13, 2003, TO JUNE 20, 2008, AND 2006-2008 MERCURY MARINER HYBRID ELECTRIC VEHICLES MANUFACTURED JUNE 10, 2005, TO JUNE 20, 2008. THE COOLANT PUMP FOR THE…”
Service brakes
10 reports3 crashes
“IN STOP AND GO CITY TRAFFIC GOING ABOUT 1 MILE AN HOUR I BRAKED BUT MY MARINER DIDN'T AND I SLOWLY REAR ENDED ANOTHER VEHICLE. MY ABS SENSOR WENT ON THEN OFF EVENTUALLY AN ABS REGEN LIGHT CAME ON AND I HAD NO BRAKES SO I DROVE ,VERY CAREFULLY, 83 MILES TO MY FORD DEALER ( WITH NO BRAKES) TO FIND OUT THAT I NEEDED A COMPLETE REPLACEMENT OF MY ABS HYBRID BRAKING MODULE. $3900! MY MECHANIC AND I CALLED TWO DIFFERENT JUNK YARDS WHERE WE RECEIVED REPLACEMENTS AND THEY WERE INSTALLED BUT WHEN BROUGHT BACK TO THE FORD DEALER THE UNITS WOULDN'T TAKE THE COMPUTER CODE AND THE (USED) SYSTEMS FAILED. $3900 IS A LOT OF MONEY FOR A VEHICLE, WITH 158,000 MILES ON IT, THAT I BOUGHT USED FOR UNDER $5000. THAT SAID IS THERE ANYWAY THAT THIS ABS HYBRID BRAKE MODULE SHOULD HAVE BEEN ON A RECALL LIST. ARE OTHERS HAVING SIMILAR ISSUES? IS THIS WHY THEY QUIT MAKING HYBRIDS AT THIS TIME? I DON'T KNOW BUT I'M THINKING THIS IS A RECALL ISSUE AT THAT PRICE.”
Electrical system
10 reports1 fire
“AFTER HAVING A NEW WATER COOLANT PUMP (THE FOURTH ONE IN MY MARINER HYBRID) AND A NEW THROTTLE BODY BEING PUT INTO MY CAR BY A FORD DEALERSHIP, MY CAR IS STILL HAVING THE SAME PROBLEMS. NOW A "SERVICE EMISSION SYS" WARNING HAS COME ON, AND BEING UNDER 150,000 MILES STILL I CONTACTED FORD TO SEE WHAT COULD BE DONE SINCE IT WAS "FIXED" BY THEM BUT STILL HAS A PROBLEM RELATED TO THE ELECTRICAL HYBRID POWERTRAIN, AND FORD SAYS THERE IS NOTHING ELSE THAT CAN BE DONE, EVEN THOUGH IT CLEARLY IS UNDER THE WARRANTY THAT THEY CREATED DUE TO THE FAILURES OF BOTH PARTS.”
Steering
5 reports
“I WAS BACKING OUT OF MY DRIVEWAY TURNING ONTO THE ROAD, WHEN MY POWER STEERING WENT OUT. I TOOK MY 2006 MERCURY MARINER HYBRID TO THE FORD DEALERSHIP. AT FIRST THEY THOUGHT THERE WAS A RECALL ON IT. IT WAS THE WRONG YEAR. IT SEEMS TO ME THAT FORD WOULD INCLUDE 2006 IF IT IS THE SAME PROBLEM. NOBODY WILL BUY THIS MODEL BECAUSE OF THIS ISSUE. COME ON FORD YOUR PROBLEMS ARE MY PROBLEM. THIS IS NOT RIGHT! IT SEEMS TO ME THAT WITH THIS POWER STEERING ISSUE IN SO MANY OF THE 2006 VEHICLES YOU WOULD STEP UP AND DO A RECALL.”
Power train
5 reports
“ON DECEMBER 30, 2006 MY CAR STALLED AND THE DASH ERROR MESSAGE REFERRED TO A MECP PUMP. I HAD THAT PART REPLACED WITH AN AMAZON PART BEFORE THE RECALL, IT IS ALSO FAULTY.THE SAFETY RECALL IS, 142S19, FROM FORD. CARS STALL BECAUSE OF A FAULTY MECP PART. I TRIED HAVING THE PART REPLACED BY A FORD DEALER. THE DEALER REFUSED AND TO MAKE MATTERS WORSE THEY POSTED ONLINE THAT THEY MADE THE REPLACEMENT. THAT IS A LIE. FORD CUSTOMER TRIED TO GET THE DEALER TO COOPERATE BUT THEY TOLD THEY CANNOT MAKE A DEALER HONOR A RECALL. PLEASE HELP.”
Hybrid propulsion system
3 reports
“The contact owns a 2006 Mercury Mariner Hybrid. The contact stated while driving 65 MPH, the vehicle stalled. The contact stated the stop on the side warning message was illuminated. The contact was able to park on the side of the road and was able to restart the vehicle within 5 minutes. The contact stated he continued to experience the failure. The contact took the vehicle to an independent mechanic and was referred to a local dealer to diagnose the failure. The contact took the vehicle to the local dealer, where it was diagnosed with needing the radiator thermostat to be replaced. The vehicle was not repaired but was pending repairs. Upon investigation, the contact associated the failure with NHTSA Campaign Number: 14V526000 (Hybrid Propulsion System) however, the VIN was not included. The manufacturer had been informed of the failure. The failure mileage was 101,560.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.