Angela Merkel was on track to win a third term as Chancellor in a German election last night after her conservatives scored their best result in decades, but it was unclear whether she could avoid being forced into a coalition with her leftist rivals.

Television exit polls showed Merkel’s conservative bloc – the Christian Democratic Union (CDU) and Bavarian Christian Social Union (CSU) – on 42 to 42.5 per cent, which if confirmed would be their strongest score since 1990.

That gives the conservatives an outside chance of securing an absolute majority on their own, which would be a historic success for the 59-year-old Merkel, whose steady leadership during the eurozone crisis has made her hugely popular at home.

“It’s a super result,” said Merkel, flashing a broad smile.

However, she said it was too early to discuss plans for the next government.

“We will do all we can in the next four years together to make them successful years for Germany. It is too early to say how we will proceed but today we should celebrate,” Merkel told cheering supporters.

Her centre-left rival Peer Steinbrueck, whose Social Democrats (SPD) came in second place on around 26 per cent, said it was for Merkel to decide now what a future government will look like.

But the survival of her centre-right coalition with the Free Democrats (FDP) was in question, with the business-friendly party on 4.7 per cent, shy of the five per cent mark needed to remain in Parliament.

Adding to the uncertainty was a new eurosceptic party, the Alternative for Germany (AfD), which stood at 4.9 per cent, just a whisper below the threshold needed to enter the Bundestag.

Support for the centre-left Social Democrats (SPD) stood at 26 per cent, the environmentalist Greens were on eight per cent and the hardline Left party was at 8.5 per cent.

That was good for a combined score of 42.5 per cent, roughly in line with the result of Merkel’s conservatives on their own.

Short of her own majority and barring a late bounce for the FDP, Merkel will almost certainly have to enter coalition talks with the SPD, with whom she ruled between 2005 and 2009.

Negotiations could last months and a new government could adopt more leftist policies like a minimum wage and tax hikes for top earners.

“We won’t be committing to any coalition this evening,” SPD second-in-command Andrea Nahles said, reflecting deep resistance within the party to partnering with Merkel for the second time in a decade.

Some of Germany’s European partners hold out hope that the SPD could push Merkel to soften her stance towards struggling southern euro states like Greece, but the chances of major shifts in policy are slim.

Merkel, the daughter of a Protestant pastor who grew up behind the Iron Curtain in East Germany, is now on track to become the third post-war Chancellor to win three elections, after her mentor Helmut Kohl and Konrad Adenauer.

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