Gilly, I replaced the battery last Friday along with the battery for the sl, only because of their age, 5+ years for the sel, original for the sl (10 years). Interestingly enough, I had not driven the sel since the battery change, until this morning. I just went outside (within last 5 minutes) to leave from my client's place to go to the motel, the 600sel will roll over (crank) very well, but no start... Now I can't even try your suggestions.

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Mithra

93 sl600
93 600sel

A mercedes is an inanimate object and therefore must respond to logic and reason.