'His departure is a sign of the unacceptable intervention and intimidation from Turkey, ' CDA leader Sybrand Buma said in a reaction.
On Friday a Turkish pro-government newspaper depicted Chancellor Angela Merkel in a Nazi uniform with a Hitler-style moustache, labelling the German leader "She Hitler". They rally together in solidarity.
Erdogan accused European Union countries of persecuting Muslims like Jews were during World War II, and said that the "spirit of fascism" was running wild on the streets of Europe.
But Turkish ministers and Mr Erdogan have said they need to respond to popular demand for the restoration of capital punishment to deal with the ringleaders of the July 15 coup bid.
Both countries have large Turkish populations which Erdogan is trying to court ahead of a referendum in April on the expansion of his presidential powers and the weakening of the Turkish parliament.
"There is a risk of a formal breakdown but let's not forget that these negotiations at now already at a still stand because of Austria's refusal to open new chapters of accession, so nothing will actually change", Aktar said in a pessimistic mood while Turkish opinion support to the landmark project is at a record low.More news: Spurs mark best home run in almost 30 years with Southampton win
Despite repeated threats of sanctions against Germany and the Netherlands for banning Turkish ministers from speaking at rallies of ethnic Turks, until now there have only been few diplomatic measures. The Turkish president's spokesman Ibrahim Kalin also called Germany's actions "a worst example of double standards". Sunday, the German ambassador was summoned to the foreign ministry to receive an official condemnation.
Turkey has picked fights specifically with European countries where immigration has become a lightning rod for debate.
Around 30,000 Kurdish supporters took to the streets in Frankfurt on Saturday to denounce the Turkish president and the upcoming referendum which seeks to expand his presidential powers.
"The vote in Europe is significant, there is almost 5 million people across Europe who are Turkish". But these plans did not go down well with the European authorities.
But, embittered by a Dutch move to block Turkish ministers from holding rallies several days earlier, Mr Erdogan offered no congratulations, instead saying the Netherlands had lost a friend.
Ankara has threatened to scrap the deal many times before. This provoked an angry reaction in Turkey, who accused the European Union of "selective democracy and xenophobia".