One problem related to windshield wiper/washer motor has been reported for the 1998 Mercury Mountaineer. The most recently reported issues are listed below.
Windshield wiper motor replaced for rear wiper. Mjs.
| Defogger Heater problems | |
| Wiper problems | |
| Windshield Wiper/washer problems | |
| Rear Window Wiper Washer problems | |
| Windshield Wiper/washer Switch problems | |
| Windshield Wiper/washer Motor problems | |
| Side/rear Glass problems |