The group's supervisory board decided to recommend Norma Group CEO Miguel Angel Lopez Borrego to succeed Merz, the company added.

Shareholder pressure on Merz had been mounting in recent months over a turnaround of the sprawling conglomerate that was seen as too slow and not far-reaching enough.

Shares in Thyssenkrupp were down 6.71% after the announcement.

(Reporting by Tristan Veyet in Gdansk and Christoph Steitz, Editing by Friederike Heine)