In 2010, Ferber was a CSU delegate to the Federal Convention for the purpose of electing the President of Germany. In the negotiations to form a "Grand Coalition" of Chancellor Angela Merkel's Christian Democrats (CDU together with the Bavarian CSU) and the SPD following the 2013 German elections, he was part of the CDU/CSU delegation in the working group on banking regulation and the Eurozone, led by Herbert Reul and Martin Schulz.