One problem related to transmission gear slipping has been reported for the 2006 Mercury Mariner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Mercury Mariner based on all problems reported for the 2006 Mariner.
2006 Mercury Mariner transmission slipped at 4,000 miles. The vehicle was towed to the dealer for service. The manufacturer approved a brand new transmission to be installed.