REUTERS/Denis Balibouse Fiat Chrysler Automobiles and Ferrari CEO Sergio Marchionne is stepping down amid a health crisis. Marchionne had experienced complication following surgery. Marchionne took over Chrysler and merged it with Fiat during the US financial crisis, when Chrysler went bankrupt and was bailed out by the US government. Marchionne had planned to retire as CEO of FCA in 2019, but continue as head of Ferrari until 2021. Fiat Chrysler chief Sergio Marchionne is to be replaced permanently at the helm of the global carmaker as well as Ferrari after suffering serious complications from surgery. "Fiat Chrysler Automobiles communicates with profound sorrow that during the course of this week unexpected complications arose while Mr.