check park / neutral safety switch, if standard trans check the clutch safety switch
Try the cables from your battery and alt. Sometimes these can corrode.
Alternator
I have just came up on this same problem with my 2000 Kia. Turns out it was the Ignition switch. $160.00 to have it replaced.
battery needs replacing, make sure you replace it with a battery of correct cranking amps
the truck has to go to the dealer and get recoded to the car. this happens sometimes on the ml. i work for the dealer.
Try replacing the spark plugs /wires and distrubuter cap if it doessnt work still you may have a bad ignition coil or fuel problems
check your battery, maybe it's time to replace it
exploding battery?
the battery on your meter has to be replaced.
No the battery is built in but should last a long time.
Sometimes yes and sometimes no, depending on what is wrong with the battery.
try to inspect your your lock and tumbler or key ignition switch.