One problem related to engine clicking and tapping noises 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.
Vehicle is randomly stalling out, check engine light on. It starts vibrating and making clunking noise. It happens randomly whether sitting at a light taking off or driving at high speeds. This car is literally falling apart and I haven't even owned it a year. I would never buy another Mercury.