One problem related to gas recirculation valve (egr valve) has been reported for the 2010 Mercury Milan. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Mercury Milan based on all problems reported for the 2010 Milan.
Engine intermittently fails to accelerate when depressing accelerator, threw engine code p2111. This problem appears to be temporarily corrected by turning car off, then back on. This incident has occurred at both high speeds & around town driving. Also noted that the days of occurrence, the outside temperature was over 90 degrees.