One problem related to cooling fan has been reported for the 2007 Mercury Mariner Hybrid. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Mercury Mariner Hybrid based on all problems reported for the 2007 Mariner Hybrid.
Engine shuts off without any forewarning while vehicle is in motion. Dealer has attempted to repair the problem 2 times--problem persists. They say it is a problem with the cooling system for the hybrid batteries. They have replaced a wiring harness and the motor of the cooling fan.