One problem related to engine knocking noise has been reported for the 2013 Chrysler 300. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Chrysler 300 based on all problems reported for the 2013 300.
I can hear a very loud knocking noise in the dash behind my instrument panel. It starts each time that I turn on the heater, the ac and defroster. This loud knocking sounds continues even when my car is turned off. Also there's flaking noises in my engine/transmission- my car is under 35k miles.