Mercury Mariner owners have reported 557 steering related problems since 1996. Table 1 shows the 15 most common steering problems. The number one most common problem is related to the vehicle's steering (330 problems). The second most common problem is related to the vehicle's power steering failed (69 problems). For details of each of the problem category, use the links in the table.
My vehicle was returned to me following a torque sensor replacement on 4/9/2026 in poor condition (locked steering and a catastrophic gash in the driver-side tire) rendering it undrivable and unsafe. Crossroads Ford of prince george shop's inspection report claims the tire damage was pre-existing, Read details...
Past 30 days while driving heard warning chime lasting about 2 seconds. No message visible on dashboard. On 12/18 while parking car warning chime and message "power steering assist failure. " steering assist completely failed. Read details...
Power steering assist is unreliable. It would stop working intermittently a few days ago and now it doesnt work except for the first start of the day and I've had it looked at shop here in town it threw a code that a local Ford dealership told me was the steering column needed replacing. Read details...
Our Mercury Mariner steering wheel is vibrating uncontrollably. It is doing this both at idle and when driving. If you turn the wheel it will stop but then you are also turning the vehicle so that is not an option when driving. Read details...
The 2009 Mercury Mariner is sporadically losing power steering. It has happened at least 10 times now, typically at low speeds when making 90 degree turns. Entering the VIN on Ford's site shows no recall associated with the vehicle Read details...