You have to fill the trans fluid through the dipstick tube.
4.5 quarts
A Chrysler 300M uses ATF+4 transmission fluid.
If you pull out your transmission dipstick the info you need will be on there. ATF+4
Mopar ATF+4
Use a funnel to pour it down the dipstick tube.
You have to refill it through the trans dipstick tube.
Yes.
It does not have a drain plug. You have to remove the pan to drain fluid.
ATF+4ATF+4
I have never heard of an oil lid on a 300.
Fluid, computer, sensor, wiring, internal failure.
Determine where leaks originates. Cooling line? Seal?