I wanted to report back that the cam position sensor was the culprit. I had it scanned for codes at Autozone and got the P0341. I went ahead and bought a Bosch sensor and replaced it and it's been 10 days and dozens of starts, hot and cold. All Fixed!

TX76513, you called it! Thanks!!

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D.H.

04 ML500
02 E430

Experience is something you don't get until just after you need it.