Supporters of Mr. Merz, a former corporate lawyer, say he is well-prepared and thoughtful, but critics accuse him of failing to think more than one step ahead and breaking promises.

Merz' appointment ends six months of political deadlock in the country after the collapse of Chancellor Olaf Scholz’s government in November.

The leader of Germany's Christian Democrat-Social Democratic coalition, Friedrich Merz, suffered a shock defeat Tuesday in his bid to become chancellor after failing to secure a majority in a vote in the Bundestag.