2008 Mercury Mariner Hybrid Engine Problems
- Complaints
- 28about this part
- Share
- 24%of 116 total for the year
- Median mileage
- 67,545miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 28 complaints about the engine of the 2008 Mercury Mariner Hybrid, 24% of the 116 complaints for this model year. Where a mileage was given, the median is 67,545 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“A stop safely now warning message came on when I was driving on the freeway at 60 miles per hour. The car immediately lost power and became difficult to steer. I pulled over to the right shoulder as safely and quickly as possible. This has occurred multiple times.”
NHTSA complaint #10630673, filed 2014-09, 60,000 miles“My 2008 Mercury Mariner Hybrid has a dangerous high speed stall condition. It is very serious and puts the vehicle and occupants in a situation that causes a very high risk of a crash. This said, my vehicle is not covered in the current recall? Why not?”
NHTSA complaint #10640472, filed 2014-10, 100,000 miles“Pcm, stop safely now & shut-down problem and I have a red triangle illuminated on the cluster accompanied by an audible chime. In addition, the message center will indicate stop safely now and the powertrain control module will command the vehicle to shut down. This is where ever you are and it happens really quickly it is for sure a safety hazard.... I don't understand why this has not been recalled, since so many have reported the same problems throughout the years.”
NHTSA complaint #10610456, filed 2014-07, 62,300 miles“Just after starting my car and driving down my street at ~5mph, there was a warning symbol (red triangle) and then message saying stop safely now. The vehicle then lost power steering, and power to the engine. I restarted the car and made it ~100ft and the same thing happened again. This also happened several times previously on the highway traveling ~65mph and with the same message stop safely now message appeared and immediately lost all power to steering and the engine. …”
NHTSA complaint #10664554, filed 2014-12, 92,600 miles“While driving the vehicle shuts off with a red triangle and the display says to pull off safely. This has happened about 6 times already. I have taken it back to the ford dealer and they replaced the throttle body because there is a sensor that fails in the unit and they explained the factory calibrates the whole unit with a steep price tag. Lucky I still have 5000 miles till warranty expires. I guess a number of times it was not a big deal to pull over on the shoulder and restart the vehicle and carry on. …”
NHTSA complaint #10619541, filed 2014-08, 95,000 milesEngine: other model years
Other parts of the 2008 Mercury Mariner Hybrid
34 complaintsSteering
24 complaintsElectrical system
22 complaintsFuel system
18 complaintsTransmission and drivetrain
16 complaintsEngine cooling
13 complaintsVehicle speed control
11 complaintsOther or unknown
5 complaintsElectronic stability control
2 complaintsHybrid propulsion system
2 complaintsBody and structure
1 complaints
← All problems reported for the 2008 Mercury Mariner Hybrid
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology