Court of Justice 21 March 2018, C-109/17 (Bankia SA v Juan Carlos Mari Merino and Others.)

OPINION OF ADVOCATE GENERAL WAHL delivered on 21 March 2018 ( 1 ) Case C‑109/17 Bankia SA v Juan Carlos Marí Merino Juan Pérez Gavilán María de la Concepción Marí Merino (Request for a preliminary ruling from the Juzgado de Primera Instancia No 5 de Cartagena (Court of First Instance No 5, Cartagena, Spain)) (Consumer protection — Directive 2005/29/EC — Unfair business-to-consumer commercial