Paris, Berlin and Rome want new EU law to ban 'aggressive tax planning' in move seen as an attack on current practices in Luxembourg.
Emmanuel Macron, who also promised to accelerate fiscal reforms at home, said 300 billion euro 'New Deal' would boost investment and growth.
Premier Manuel Valls said Berlin and Brussels had to be 'careful' about how they spoke to France and that Europe project was 'at risk'.
German observers say Berlin is now expecting Paris to back up its rhetoric with genuine reforms to the French economy.
Ministers say borrowing will meet EU limits two years later than promised and that 'no further effort will be demanded of the French'.
President's stark comments come as German officials privately warn French counterparts of need for structural reforms.
France’s Pierre Moscovici has been named as the new European Union commissioner for economic and monetary affairs in Brussels. At first glance it appears a clear-cut triumph for President François Hollande who has installed his former finance minister in a key economic post at the heart of the EU despite German opposition. It is also a sign that the new European Commission president Claude Juncker wants to display his independence from German chancellor Angela Merkel. But as Ludovic Lamant reports, Juncker has also shaken up the Commission's structure and placed two economic hawks alongside the French commissioner. Some observers believe their main role is to stop the French “social democrat” being too soft on member countries struggling to cut their deficits – and in particular France.
Finance minister says growth for 2014 will be 0.5% - half the original forecast - as figures show French economy stagnant in second quarter.
French president's call for Germany to do more to encourage economic growth in France is rebuffed by Angela Merkel’s spokeswoman.
Presidents Francois Hollande and Joachim Gauck laid wreathes at Hartmannswillerkopf to mark centenary of Germany's declaration of war.
French soldier and German officer died in exchange of fire on August 2nd, 1914, one day before Germany formally declared war on France.
Challenge by German goalkeeper that broke French defender's jaw but went unpunished still raises anger and emotion in France 32 years later.
The right-wing mayor Christian Estrosi announced ban until end of tournament following riots after the last two Algerian games.
President Hollande talks with Angela Merkel amid fears that 'disproportionate' action against its biggest bank could pose risks to banking system.
French business activity contracted further in June, stoking fears that Europe's attempts to kickstart lasting economic growth is losing momentum.