Opinion of Mr Advocate General Mazák delivered on 18 May 2010.

Gebr. Weber GmbH v Jürgen Wittmer (C-65/09) and Ingrid Putz v Medianess Electronics GmbH (C-87/09).#References for a preliminary ruling: Bundesgerichtshof (C-65/09) and Amtsgericht Schorndorf (C-87/09) - Germany.#Consumer protection - Sale of consumer goods and associated guarantees - Directive 1999/44/EC - Article 3(2) and (3) - Replacement of defective goods as the only remedy - Defective goods already installed by the consumer - Obligation on the seller to remove the defective goods and install the replacement goods - Absolute lack of proportionality - Consequences.#Joined cases C-65/09 and C-87/09.
Opinion of Mr Advocate General Mazák delivered on 18 May 2010.