1990 Mercedes-Benz 560SEC Q&A

1990 Mercedes-Benz 560SEC Question: Car starts then dies

As soon as I let go of the ignition key, the engine will die. As long as I keep the key cranked the vehicle will run, any suggestions?? -
Answer 1
Sounds like the electrical part of your ignition switch is bad. probably a bad terminal or maybe a broken wire, to the ignition position of the switch. -
Answer 2
Ignition switch needs to be inspected fixed or replaced. -
Answer 3
It wound up being a shorted tachometer. -