2007 Mercury Mariner problems and complaints
Owners have filed 33 complaints with NHTSA about the 2007 Mercury Mariner. The most-reported areas: Power Train (11), Engine (7), Electrical System (7).
Key takeaways
- 33 owner complaints on file with NHTSA.
- 1 involve a crash, 0 a fire, 1 reported injury.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Power Train | 11 | 33% |
| Engine | 7 | 21% |
| Electrical System | 7 | 21% |
| Vehicle Speed Control | 4 | 12% |
| Air Bags | 2 | 6% |
| Engine And Engine Cooling | 2 | 6% |
| Suspension | 2 | 6% |
| Unknown Or Other | 1 | 3% |
| Seat Belts | 1 | 3% |
| Steering | 1 | 3% |
| Service Brakes | 1 | 3% |
| Hydraulic | 1 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2007 Mercury Mariner 4-DR | Not rated | Not rated | Not rated | 3/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine - filed 2025-11-29
90sWhile driving, the vehicle will suddenly display a warning message that says “Stop Safely Now”. When this message appears, the hybrid system overheats and the vehicle immediately loses power. The gasoline engine and electric motor both shut down without warning, even at highway speeds. I am forced to coast to the si...
Air Bags - filed 2021-03-02
REAR-ENDED A SNOW PLOW GOING 30-35 MPH WHEN I WAS GOING 60 MPH AND THE DRIVER-SIDE AIRBAG FAILED TO DEPLOY RESULTING IN SERIOUS INJURY.*DT*JB*DT*JB*DT*DT*JB*JB*DT*JB*JB*DT*JB*DT
Unknown Or Other - filed 2020-09-17
WHEN SHIFTING INTO GEAR THE VEHICLES WRENCH LIGHT COMES ON AND REGEN DISABLED SHOW UP AND THE VEHICLE WON'T ACCELERATE. I CAN SHUT IT OFF AND BACK ON AND THE WRENCH LIGHT WILL GO AWAY FOR A COUPLE MILES THEN BACK ON WITH THE SAME PROBLEMS
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More for the 2007 Mercury Mariner
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.