Jurgen Klopp has warned he will walk away from his new job as Germany's head coach if the German media don't "leave my family in peace".

Klopp has returned to management on a contract that runs until the end of the 2030 World Cup after leaving Liverpool in 2024 because he was "running out of energy", having won six trophies in nine years at the club.

The 59-year-old was unveiled on Friday and issued a stark warning to journalists after his predecessor Julian Nagelsmann faced intense scrutiny and criticism from the media.

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"It is my mission to make the national team squad a better team and hope the pool for me to choose from will be bigger, but it is not something I am doing against you, I am doing it for you. It is an honour," he said.

"I will be remunerated very graciously and if tomorrow Jurgen Klopp is s***, I will be gone. But if the DFB says let us discontinue the job, then that's it. And if you behave badly and don't leave my family in peace, I'll be gone. I'll just turn away. I know there are other countries where national team head coaches are treated even worse. I love this job but I am also ready to call it quits if needs be.

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"Jurgen Klopp is not going to have any 'career' after the national team. This is the pinnacle, the high point of my footballing career as a coach. I will give everything I've got, and I have the best possible assistant coaching team."

Klopp was the first person the DFB turned to when Nagelsmann resigned after a disappointing World Cup ended with a penalty shoot-out exit to Paraguay in the last 32.

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But Klopp has also warned his appointment won't guarantee success and that expectations need to be adjusted.

"Jurgen Klopp being in the job doesn't automatically mean we're going to be world champions," he said.

"Success is performance vs expectations. We need a new set of expectations. Many people have asked themselves, are we as good as France? If the answer is no, then that is not necessarily true. If the question is, do we have players like Dembele, Barcola, Mbappe? Then the answer is no, we don't, but we can still beat them.

"We don't want to play like Argentina, Spain, England or France. We want to play like Germany, do it the German way but very intense. Are we the number one team at the moment? No, we aren't; I accept that. Would we be happy to be the number two team? Then people would say we aren't number one.

"At the moment, we have 11 teams ahead of us. Yes, we can beat them, but for this to happen, you need to play very good, intense football."

His first game in charge is against the Netherlands in the Nations League on September 24.

Klopp won the Champions League, Premier League, Club World Cup, FA Cup and League Cup twice at Liverpool.

After a six-month break, Klopp was appointed head of global soccer at Red Bull and later stated that he had no desire to return to club management.

Klopp's former Liverpool assistants Pep Lijnders, who recently left Manchester City after Pep Guardiola's departure, and Peter Krawietz are part of the coaching staff, along with Sven Bender, who played under the German at Borussia Dortmund.

Per Mertesacker, who stepped down as Arsenal's academy manager after eight years at the end of last season, will become Germany's sporting director in January, replacing Andreas Rettig.

'Klopp is the perfect manager at the right time - and he wants to make changes'

Sky Germany's Patrick Berger speaking on Sky Sports News:

"For Klopp, it's very important to make some things different to the former coach of the German national team, Julian Nagelsmann. He wants to have a direct relationship to the players, he wants to see them directly in the stadiums.

"This was something Nagelsmann was criticised for in the past because he didn't see or visit Kevin Schade at Brentford, he didn't visit Yann Aurel Bisseck at Inter, he didn't visit Niclas Fullkrug at West Ham. This is a point Klopp wants to change. He wants to bring all the people in Germany behind him.

"He has a list of around 57 to 60 players, he said, that he finds very attractive. The kind of players who have the chance in future to play for Germany. He said every player who is able to wear the Germany shirt should be aware that he may be calling.

"The German public have reacted very well because he's the perfect manager, he's here at the right time and is someone who has the credibility, the energy after two years out of being in this daily job as a head coach. We are a proud football nation and this makes the people in Germany believe we can be successful again in the future."