German Chancellor Angela Merkel and French President Emmanuel Macron listen to national anthems during a ceremony at the Chancellery in Berlin, Germany, May 15, 2017.
Macron flew to Berlin in his first full day in office on Monday for talks with Chancellor Angela Merkel over how to inject new life into the Franco-German relationship and the troubled European project.
In a nod to German concerns, Mr Macron said at the news conference with Mrs Merkel that he had never pushed for jointly issued eurobonds and does not favour European countries taking joint responsibility for old debts.
French President Emmanuel Macron said that the possibility of change to European Union treaties was "not taboo" and that he wanted to see better protection for Europe's workers.
Edouard Philippe, mayor of the northern port city Le Havre, is not from the president's own party but from the moderate wing of the centre-right Republicans party. The French president pointed out that "without Europe, there will be no peace, prosperity and freedom".
She said France and Germany would seek "new momentum" in their historic ties.
At his inauguration on Sunday, Macron said he aimed to restore France's shattered self-confidence and help rebuild the flagging European Union.
The move is seen as a bid to draw in leading figures from the conservative opposition to Macron's La Republique En Marche (Republic on the Move) group ahead of crucial legislative elections next month. At least 24 Socialists are now campaigning for re-election under the banner of Macron's Republic on the Move party.
The populist Le Pen, who has not been seen since her May 7 defeat to Macron, is to announce by week's end whether she'll run for a parliamentary seat.
Voters go to polls again in June to elect 577 National Assembly lawmakers.
"We will need a more efficient Europe, a more democratic Europe, a more political Europe, because it's the instrument of our power and our sovereignty".
A newcomer to worldwide diplomacy, Macron has assumed control of a nuclear power with a permanent seat on the U.N. Security Council as crises persist in Syria, Libya and North Korea.
Germany is keen to continue the Franco-German diplomatic drive to keep a lid on the situation in Ukraine, where Russia-backed separatists are battling the government.
Asked if she was anxious that Mr Macron's push for a "Buy European Act" could undermine the established order of free and open trade, Ms Merkel said: "In trade relations, for example, I see this element of reciprocity, this is something I can very well imagine".