BERLIN (Reuters) - Germany’s Social Democrat (SPD) Foreign Minister said on Thursday that his party would not be quick to agree to another grand coalition with Chancellor Angela Merkel’s conservatives, as party leaders met with the president in a bid to end political deadlock.

Chancellor Angela Merkel leaves after a joint meeting with Horst Seehofer, the head of the Bavarian Christian Social Union (CSU) and the leader of the Social Democrats (SPD) Martin Schulz, hosted by the German President Frank-Walter Steinmeier, in Schloss Bellevue in Berlin, Germany, November 30, 2017. REUTERS/Axel Schmidt

Merkel is casting around for a coalition partner after her center-right bloc shed support to the far right in a Sept. 24 election. Her attempts to form a three-way tie-up with the pro-business Free Democrats (FDP) and the Greens failed.

The SPD, which saw its participation in a Merkel-led coalition government from 2013-17 rewarded with its worst election result in German post-war history, had been strongly opposed to another “grand coalition”.

But under pressure from Germany’s President Frank-Walter Steinmeier, SPD leader Martin Schulz has signaled willingness to discuss a way out of the political impasse.

SPD Foreign Minister Sigmar Gabriel told broadcaster ZDF no one should expect his party - still ruling with the conservatives in a caretaker government - to immediately agree to join another grand coalition now that talks to form a three-way ‘Jamaica’ alliance have failed.

“We’re now in a process orchestrated by the president, in which we first need to look at what the possibilities are but no one can expect it to go quickly,” he said, adding that it was up to the conservatives to show what they wanted.

“The conservatives, Greens and FDP took months to get nothing off ground so I’d ask people not to put pressure on us,” Gabriel said, adding that the conservatives needed to make clear what they wanted.

Senior conservative and chancellery chief Peter Altmaier told ZDF the conservatives and SPD had presided over four years of economic prosperity and the SPD needed to decide if it would give that up or reconsider its decision to go into opposition.

“We’re making the case for that because we think one of our trademarks, alongside ‘Made in Germany’, is ‘Stability Made in Germany’, Altmaier said.

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He added that many people expected Germany to manage to form a government, adding: “Everyone has to live up to that.”

Steinmeier, a former SPD lawmaker and foreign minister, hosted a meeting on Thursday that lasted just over two hours between Merkel, her Bavarian conservative ally Horst Seehofer and Schulz, as part of his efforts to facilitate the formation of a stable government.

The parties are all due to hold high-level meetings on Friday to discuss how to proceed. Sources in the SPD said all options would be discussed - ranging from a re-run of the grand coalition with the conservatives to new elections.

Merkel is set to hold a telephone conference with senior party members on Friday to discuss the meeting with Steinmeier but the conservatives do not expect the SPD to agree to official coalition talks until after its party congress next week.

Almost two-thirds of Germans, surveyed between Nov.22 and Nov.27, want the SPD to start talks with the conservatives on forming another coalition of the center-right and center-left, an Allensbach poll showed.

MINORITY GOVERNMENT?

The atmosphere has been soured by the decision of the conservative agriculture minister to back a European Union proposal to extend the use of a weedkiller for another five years - a measure opposed by the SPD. In reaction, SPD members have called for compensation and set various policy conditions.

German Interior Minister Thomas de Maiziere, a conservative, told reporters a stable government was urgently needed to move ahead on security priorities such as hiring more police.

He told the Frankfurter Allgemeine newspaper that the conservatives were trying to form a stable government with the SPD, if the SPD would agree. He added: “Only if this attempt fails do we need to think about other steps - not now.”

FDP leader Christian Lindner, who walked out of attempts to form the ‘Jamaica’ alliance, told newspaper Rheinische Post a grand coalition would be “more stable and more advantageous” than a Jamaica tie-up.The business wing of Merkel’s Christian Democrats called on Merkel to “seriously consider” a minority government, warning that another grand coalition would only be possible for the price of “even more unaffordable promises” in social policy.