The 2007 Chrysler 300 has a 4-speed automatic.
The 2012 Chrysler 300 runs on flex-fuel (FFV).
The 2011 Chrysler 300 runs on flex-fuel (FFV).
The 2013 Chrysler 300 runs on flex-fuel (FFV).
The 2014 Chrysler 300 runs on flex-fuel (unleaded/E85).
The 2009 Chrysler 300 runs on regular unleaded.
The 2008 Chrysler 300 runs on regular unleaded.
The 2006 Chrysler 300 runs on regular unleaded.
The 2005 Chrysler 300 runs on regular unleaded.
The 2010 Chrysler 300 runs on regular unleaded.
Chrysler does not use fuel pump shut off switch in their cars.
No. The fuel system is computer controlled with relays.