One problem related to starter has been reported for the 2006 Dodge Sprinter. The most recently reported issues are listed below.
Engine die's driving at unknown times (key turn on) found test of power windows at same time stop due to no power (12volts) engine cut in and out but stops running. Deal never found the trouble. 1 click (relay) turn key to start (starter never turn) truck mite start 15 min or next day . Found bad mfg engine grounding. Added ground engine back to ground post fix the missing ground. / 2nd the mfg turbo resonator split making limp home mode.