One problem related to side/window air bag has been reported for the 2013 Ford E-250. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Ford E-250 based on all problems reported for the 2013 E-250.
Takata air bag . . While car was parked and ignition off for a couple of hours woke up the next morning to find the driver. Side air bag deployed for no reason took to Ford dealership they ran diagnostic and told me there were no error codes found other then air bag deployed.