One problem related to battery dead has been reported for the 2009 Nissan Murano. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Nissan Murano based on all problems reported for the 2009 Murano.
Purchased car new in may 2008. Battery went dead after not being driven in Feb 2009. Jumped battery and discussed with dealer. Was told to disconnect battery if car was not going to be driven for 2 weeks. Did this but battery died again in June 2009. Took car to dealer; they found no problem. Battery died again in March 2010 (mileage 9,208). Dealer put in a new battery. In may 2011, battery died again(mileage 15,527) . Had disconnected battery during a vacation, when the car was sitting, and it started upon return but died 3 days later. Went to dealer and they kept car for several days, attempting to find the problem. They disconnected the car alarm, and assured me they would stand by the car if this happened after 3 yr. Warranty expired. Returned from vacation in oct 2011 and again the battery would not start the car (mileage 17,760). Dealer installed another new battery. June 2014 the car died again after sitting for 3 days. Dealer will not accept problem with car and/or battery and will charge a diagnostic fee to resolve problem. Since they haven't been able to solve problem over the past 5 years, am reluctant to pay them again. Have filed complaint with Nissan customer service. No response to date.