Three problems related to ignition have been reported for the 1998 Mercury Mountaineer. The most recently reported issues are listed below.
Vehicle was parked in front of my home--approximately around 6:00 am the vehicle caught on fire with no keys in the ignition!.
Vehicle stalls intermittently at any speed. Taken to dealer once a month since purchase in March 2000, cannot find cause.
Spark plugs failed.