Europe’s Mercosur Trade Deal Faces EU Court Review, Testing Open-Trade Politics

Key Points

• A 334–324 European Parliament vote sent the EU–Mercosur pact to the EU Court, freezing ratification.
• The deal would phase out over 90% of tariffs, but farm backlash and treaty design now drive the debate.
• A court objection could force redesign or renegotiation, turning a signature moment into long uncertainty.

The European Parliament voted 334–324, with 11 abstentions, to ask the EU Court of Justice to review the EU–Mercosur agreement. Until judges in Luxembourg rule, Parliament cannot hold the approval vote needed for the deal to enter into force.

The agreement was signed last weekend after 25 years of negotiations. It targets the gradual removal of more than 90% of tariffs between the two blocs.

Supporters say it would create one of the largest free-trade areas, covering 700 million consumers. The referral is a delay, not a cancellation, and it was a known risk.

Opponents had raised legal questions before the signing, arguing the pact’s structure must fit EU treaties and approval rules. France, Europe’s biggest agricultural producer, led demands for stronger protections for farmers.

French producers rallied with tractors in Strasbourg ahead of the vote and celebrated the referral afterward. France’s foreign minister welcomed the outcome as consistent with Paris’s objections.

EU court decision threatens trade deal

Germany’s Chancellor Friedrich Merz called the decision regrettable and strategically mistaken. He said the agreement is legal and urged provisional application without delays.

The European Commission also said it regretted Parliament’s move, while noting provisional application remains possible. No official probability exists for what the court will decide.

In practice, reviews tend to end with approval, approval with limits, or objections to core provisions. A negative finding would block the deal as drafted and force changes to clauses, the legal basis, or both.

That would matter beyond tariffs. It would empower Europe’s protectionist wing, invite political bargaining, and risk years of drift. Online reaction has mirrored that split, with celebratory farm networks and frustrated pro-trade voices clashing across platforms.

EU leaders were set to discuss next steps at an emergency summit on January 22, 2026. In South America, ratification is widely seen as attainable, leaving Europe’s institutions as the decisive battleground.

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For the full picture, see our Mercosur EU Trade Deal: Complete Guide.