Did you check to see if you have a low voltage condition?

If my car won't crank, the first thing I check is the battery, alternator or voltage regulator.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".