Chrysler's big profits at the time, coupled with the zeal of Daimler-Benz's chief executive, Jürgen E. Schrempp, to create a global automotive giant, attracted the German luxury-car maker's most senior officers to Chrysler's glitzy headquarters in Auburn Hills, where Mr. Eaton was eager to cut a deal. The executives' confidence in the future of the combined company meant that dozens of pages of documents creating the merger contained no separation agreement — a prenuptial without provisions for a divorce.