Mercury Mariner Engine Problems
Owners have filed 162 complaints with NHTSA about engine problems on the Mercury Mariner across 7 model years. The 2010 model year has the most (61). The words owners use most often: “throttle body” (31% of reports).
- 162engine complaints
- —median miles at failure
- 1mention a crash
- 1mention an injury
- 0related recalls
- 41%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Throttle body: mentioned in 50 of 162 complaints (31%)
- Off restarted: mentioned in 9 of 162 complaints (6%)
- Able restart: mentioned in 9 of 162 complaints (6%)
At what mileage do engine problems happen?
Based on 152 complaints that reported the odometer reading.
How serious are the reports?
Of 162 complaints, 1 mention a crash, 1 a fire, 1 an injury.
Mercury Mariner engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2011 Mariner | 11 | 13% | 49,000 |
| 2010 Mariner | 61 | 23% | 52,000 |
| 2009 Mariner | 53 | 17% | 73,000 |
| 2008 Mariner | 14 | 3% | 113,500 |
| 2007 Mariner | 7 | 21% | 65,000 |
| 2006 Mariner | 8 | 13% | 75,771 |
| 2005 Mariner | 8 | 12% | 129,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the Mercury Mariner. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
90sWhile driving, the vehicle will suddenly display a warning message that says âStop Safely Nowâ. 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…
Me and my wife purchased a vehicle from a private seller to use for personal commute. A month later we started to notice more issue were occurring with the car then stated from the seller. I took it to an auto body shop to get it inspected and possibly serviced and upon that inspection the clerk…
When the weather is hot (close to 100 degrees or more) and I am driving with the a/c - my vehicle on 3 occasions will not start after parking the vehicle and trying to restart it. The red padlock sign blinks and it won't start. At first it is trying to turnover but then will continually sound worse…
I was driving when it felt like the vehicle was reving in park then the "wrench" icon appeared on my dash. I went a couple blocks & my vehicle felt like it wasn't shifting automatically as it should. I pulled over & turned it off. It started right back up with no lights on, I went half a block &…
As i am driving down the road, on a city street. The vehicle will just shut off, for no apparent reason. It does this several times. Every time the car is been driven it will shut off several times and me and my family have been in traffic when this has occurred. It continues to do this at any…
Frequently asked questions
Do all Mercury Mariners have engine problems?
No. NHTSA has 162 owner complaints about engine for the Mercury Mariner. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Mercury Mariner engine?
No recall currently lists engine for this vehicle.
What do owners say about engine problems on the Mercury Mariner?
The most frequent phrase is “throttle body”, in 50 of 162 complaints, followed by “off restarted” (9).
Other Mercury Mariner problems
See all Mercury Mariner problems.