One problem related to exterior rearview mirror has been reported for the 1999 Mercury Mountaineer. The most recently reported issues are listed below.
1999 Mercury Mountaineer developed problems with the windshield wipers, tires, driver's side mirror, linkage on the transmission, check engine light and the airbag light.
| Windshield Wiper/washer problems | |
| Windshield Wiper/washer Switch problems | |
| Windshield Wiper/washer Motor problems | |
| Exterior Rearview Mirror problems | |
| Wiper problems | |
| Windshield problems |