Stephan Mayer, the Christian Democrat Union’s home affairs spokesman, insisted Britain’s decision to leave the bloc was a “lose-lose” situations for both parties.
The German said it was in the “common interest” of Brussels and UK for one side not to emerge victorious from the negotiations.
Speaking to Express.co.uk, Mr Mayer said: “I am deeply convinced Germany won’t benefit from the departure of the United Kingdom from the EU.
“I think, to be honest, this will be a lose-lose situation for the UK and the rest of the European Union, especially because I have mentioned close ties between our two countries for Germany.”
A close Merkel ally has warned the EU about punishing UK over Brexit
Brexit will be a lose-lose situation for the UK and the rest of the European Union
British negotiators are set to kick off talks with their counterparts in Brussels 11 days after Britain picks its new government.
Theresa May has hinted there are EU politicians ready to punish Britain for leaving the European Union, however, Mr Mayer hit back suggesting it would be more beneficial to reach an agreement that works for both sides.
The German added: “It must be our common interest, the interest of the United Kingdom and on the other side the interest of the EU 27 to find a solution which fits the best for both.
“It shouldn’t be the target of one negotiation partner to be the so-called winner of these negotiations.
“It must be out common interest to diminish this upcoming lose-lose situation.”
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Mr Mayer did, however, hint it would be “naive” for Brussels to believe they can tempt Britain into giving up its Brexit wishes.
Mrs May pledged to take Britain out of the single market, customs union, European Court of Justice and the free movement area.
May meets Juncker and Barnier at Number 10 Wed, April 26, 2017
Theresa May hosted European Commission President Jean-Claude Juncker and chief negotiator Michel Barnier at Downing Street for the first face-to-face talks since she triggered the two-year process of withdrawing from the EU
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Prime Minister Theresa May greets European Commission President Jean-Claude Juncker ahead of a working dinner at 10 Downing Street, London
EU leaders have told Britain it cannot expect full access to the single market without respecting the EU’s four fundamentals – the free movement of labour, goods, services and capital.
The German said a “compromise” would have to be found if Britain wished to maintain any of its membership within the bloc.
He said: “I think it would be naive to think that at the end of the day the UK could agree on full access to the British labour market for EU citizens – It must be a target to find a compromise”