Mercury Mariner Electrical System Problems
Owners have filed 105 complaints with NHTSA about electrical system problems on the Mercury Mariner across 7 model years. The 2010 model year has the most (29). The words owners use most often: “throttle body” (10% of reports).
- 105electrical system complaints
- —median miles at failure
- 1mention a crash
- 2mention an injury
- 0related recalls
- 34%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 11 of 105 complaints (10%)
- Steering column: mentioned in 8 of 105 complaints (8%)
- Electronic power: mentioned in 6 of 105 complaints (6%)
At what mileage do electrical system problems happen?
Based on 91 complaints that reported the odometer reading.
How serious are the reports?
Of 105 complaints, 1 mention a crash, 1 a fire, 2 an injury.
Mercury Mariner electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2011 Mariner | 6 | 7% | 54,000 |
| 2010 Mariner | 29 | 11% | 59,000 |
| 2009 Mariner | 22 | 7% | 98,291 |
| 2008 Mariner | 27 | 6% | 115,000 |
| 2007 Mariner | 7 | 21% | 75,000 |
| 2006 Mariner | 4 | 6% | 125,500 |
| 2005 Mariner | 10 | 15% | 83,000 |
When owners reported it
Related recalls (0)
No safety recall lists electrical system 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.
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…
This is an update to the complaint from June- Because I have to compensate manually for the electric power steering, Iâve aggravated upper back injuries and strained hip muscles I incurred from work. I have to attend physical therapy for those injuries now, but itâs useless if my only mode of…
My SUV was part of a recall due to the electronic power steering failing. My SUV was allegedly repaired by the cheapest of the three available options (computer reset or some such process). I bought my SUV in 2020. The electronic power steering slowly started going out intermittently and then more…
The PCM shorts out and fails when sparkplug and Coil packs replaced this cause the steering system to fail speedometer to quit and no transmission connection
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…
Frequently asked questions
Do all Mercury Mariners have electrical system problems?
No. NHTSA has 105 owner complaints about electrical system 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 electrical system?
No recall currently lists electrical system for this vehicle.
What do owners say about electrical system problems on the Mercury Mariner?
The most frequent phrase is “throttle body”, in 11 of 105 complaints, followed by “steering column” (8).
Other Mercury Mariner problems
- Steering problems (557)
- Power Train problems (231)
- Vehicle Speed Control problems (179)
- Engine problems (162)
- Fuel/propulsion System problems (109)
See all Mercury Mariner problems.