2007 Mercury Mariner Hybrid Hybrid propulsion system Problems
- Complaints
- 3about this part
- Share
- 10%of 31 total for the year
- Median mileage
- 159,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the hybrid propulsion system of the 2007 Mercury Mariner Hybrid, 10% of the 31 complaints for this model year. Where a mileage was given, the median is 159,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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. …”
NHTSA complaint #11547303, filed 2023-09, 247,000 miles“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.”
NHTSA complaint #10652694, filed 2014-11, 72,000 milesHybrid propulsion system: other model years
Other parts of the 2007 Mercury Mariner Hybrid
8 complaintsEngine cooling
6 complaintsElectrical system
4 complaintsEngine
4 complaintsOther or unknown
3 complaintsTransmission and drivetrain
3 complaintsFuel system
2 complaintsSteering
2 complaintsBody and structure
2 complaintsEquipment
1 complaintsSeats
1 complaintsSuspension
1 complaints
← All problems reported for the 2007 Mercury Mariner Hybrid
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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