Automatic transmission: gear position indication (prndl)
Risk. If the shift lever disengages from the transmission, a driver may be unable to shift gear positions and the indicated shift position may not represent the gear…
NHTSA has logged 461 owner complaints about the 2008 Mercury Mariner, most often about the steering. It is covered by 3 safety recalls, and for recall 15V-606 the manufacturer reports only 21% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 4, 2025. Updated daily. Photo: Kevauto, CC BY-SA 4.0.
461 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Steering | 297 | 7 |
| Power train | 66 | 0 |
| Vehicle speed control | 31 | 0 |
| Service brakes | 29 | 0 |
| Electrical system | 27 | 0 |
| Engine | 14 | 1 |
| Fuel/propulsion system | 8 | 0 |
| Air bags | 8 | 3 |
| Engine and engine cooling | 6 | 0 |
| 15 other systems | 42 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. If the shift lever disengages from the transmission, a driver may be unable to shift gear positions and the indicated shift position may not represent the gear…
Risk. If the hybrid electronics system overheats, it may shut down the powertrain, resulting in a stall-like condition, increasing the risk of a crash.
Risk. If power steering assist is lost, greater driver effort would be required to steer the vehicle at low speeds, increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercury.
120kmiles, median
Based on the odometer reading in 257 steering complaints. 31% were reported before 100,000 miles.
Dollar amounts owners wrote in their complaints when describing a repair or a quote. These are not price estimates; a system is shown only when at least 8 owners mentioned a cost.
$1,300median
$2,000median
$5,000median
If a problem is covered by a recall, the dealer fixes it for free. Some manufacturers also reimburse owners who paid for a repair before a recall was announced.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Mariner median. How we score
2008 Mercury Mariner 4-DR. w/SAB (Later release) in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
Federal investigations that included the 2008 Mercury Mariner, and the recalls they led to.
Recent steering complaints filed with NHTSA, shortened. Personal details are removed.
The contact owns a 2008 Mercury Mariner. The contact stated that while driving at 55 -60 MPH, the power steering failed. The steering wheel became increasingly difficult to maneuver. The vehicle was turned off while the contact inspected the vehicle. The vehicle was restarted but a short distance…
The contact owns a 2008 Mercury Mariner. The contact stated upon starting the vehicle, the steering wheel was significantly difficult to turn. There was no warning light illuminated. The vehicle was towed to an independent mechanic, where the contact was informed that the electric power steering…
The steering wheel does not return to center when making turns. It is more pronounced during left turns. This is a dangerous condition that could result in the vehicle going left or right of center and striking pedestrians, bicyclists, oncoming traffic, fixed objects. An independent service center…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.