One problem related to steering is loose has been reported for the 2008 Mercury Mariner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Mercury Mariner based on all problems reported for the 2008 Mariner.
We had the steering recall performed. Not sure what they did but it seems worse. Since the recall the steering feels loose when traveling at high speeds and the vehicle can dart.