It was the headlights that threw me the curve. Except for last night the stall/dead thing always happened where I was blocking traffic. In those cases it came back on in 1 or 2 minutes. Yesterday was the first time I wasn't in everyones way and it took much longer before it came back to life. It was was daylight though I was using the headlights because of the rain. After it stayed dead so long, I got out to check the headlights and they were on. Then when I got back in it started right up.

Today was the first time it ever went dead in the garage. I was so glad as it gave me the time and tools to figure out what was really going on.

Thanks so much for pointing me in the battery direction. Because of the headlights being on last night I was convinced it couldn't be battery area related.

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2000 Mercedes S500
1990 Mercedes 560SEL
1970 Triumph Spitfire