One problem related to battery dead has been reported for the 2015 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Ford Mustang based on all problems reported for the 2015 Mustang.
Car would idle then cut off during stationary, engine would cut off while in motion on highway or city street turning and not turning. Car would not accelerate or move when pressing gas. Heated seat caught on fire. Steering wheel controls stopped working. New battery would die then be fine, car have problems after filling with gas would not start, black and white smoke came out of the exaust and displayed low fuel when it had a full tank. Car restricted me from driving past 80. Power train issues , auxiliary emission control failed, computer output circuit failed.