The correct answer to this open question is the following.
Although you did not include any text, references, or context, we can comment on the following.
From a resource-based view, what Fiat had in turning around a struggling Chrysler that Daimler did not seem to have was the financial "health" that Chrysler lacked and was one of the reasons the American manufacturer started to have in the time of the merger.
Fiat, an Italian automobile manufacturer, realized that it had some compatibilities with Chrysler such as fabrication platforms, a similar portfolio of products, and a worldwide presence. That is why the board of directors of the European company decided to proceed with the merge.