2010 Mercury Mariner Engine Problems
Owners have filed 61 complaints with NHTSA about engine problems on the 2010 Mercury Mariner, 23% of all complaints for this model year. Half of the reports with a mileage happened before 52,000 miles. The words owners use most often: “throttle body” (46% of reports).
- 61engine complaints
- 52,000median miles at failure
- 0mention a crash
- 1mention an injury
- 0related recalls
- 42%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 28 of 61 complaints (46%)
At what mileage do engine problems happen?
Based on 55 complaints that reported the odometer reading.
How serious are the reports?
Of 61 complaints, 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 2010 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.
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 &…
Frequently asked questions
Do all 2010 Mercury Mariners have engine problems?
No. NHTSA has 61 owner complaints about engine for the 2010 Mercury Mariner (23% of the 270 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2010 Mercury Mariner engine?
No recall currently lists engine for this vehicle.
At what mileage do engine problems start?
The median reported mileage is 52,000 miles: half of the reports with a mileage came before that.
What do owners say about engine problems on the 2010 Mercury Mariner?
The most frequent phrase is “throttle body”, in 28 of 61 complaints.
Other 2010 Mercury Mariner problems
See all 2010 Mercury Mariner problems or engine problems across all Mariner years.