German Deputy Finance Minister Steffen Kampeter said on Monday there is a discussion going on in Europe about leveraging the new permanent bailout scheme for the euro zone - and he promised that Germany's parliament would be consulted.

"If Europe decided to leverage the ESM (European Stability Mechanism) - and this discussion is going on - we would of course involve the German Bundestag (parliament's lower house)," Kampeter told Reuters.

Germany's Constitutional Court made consulting the Bundestag on any changes to the ESM a condition for giving its approval to the fund's ratification in a ruling earlier this month. Kampeter called such a step a "political and legal necessity".

Spiegel magazine reported in its latest edition that the euro zone wanted to leverage the ESM for a total capacity of more than 2 trillion euros, in a similar arrangement to that involving its predecessor, the European Financial Stability Facility (EFSF).

(Reporting by Gernot Heller; Writing by Stephen Brown)