@ henene
I'm not clear on one thing: you said neither MediaMarkt nor Panasonic wanted to honor their obligation to you, the customer, for an appliance free of defects and refused to repair the machine. Finally, MediaMarkt offered to replace the machine (free of charge, I assume) or a EUR 60,- refund on a EUR 699,- machine. How is the EUR 60,- refund better than a new machine?
Also, could you not simply claim that since the machine is defective, you should not be obligated to continue paying for it?
I'm not criticizing you, I'm just curios...