One problem related to transmission failure has been reported for the 2011 Mercury Mariner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Mercury Mariner based on all problems reported for the 2011 Mariner.
2011 Mercury Mariner transmission failed without warning, the computer chips should have given some kind of warning.
| Power Train problems | |
| Vehicle Shudder problems | |
| Transmission Failure problems |