The pan-European STOXX 600 was trading flat by 0813 GMT.
French carmaker Renault rose 6%, lifting automakers by 0.8%. The company owns a 36% stake in Nissan.
Food & beverage and healthcare stocks declined 0.4% and 0.3%, respectively.
Meanwhile, the Fed is widely expected to cut rates by 25 basis points later on Wednesday, in what some observers are calling a “hawkish cut”, set to be delivered alongside policymakers’ updated interest rate outlooks and economic forecasts.
The UK’s FTSE 100 rose 0.2% as sterling came under pressure ahead of the Bank of England’s rate decision on Thursday.
Commerzbank (ETR:CBKG) jumped 3.7% after Italian bank UniCredit said it had raised its potential stake in the German lender to 28% by signing new derivatives contracts.
