Is the failure of Skoda's Columbus unit a common fault?

My 2009 Skoda Superb is four years old and out of warranty. A couple of months ago the Columbus unit (radio, satnav, Bluetooth, etc) ceased to function. The local Skoda dealer said he had never heard of one failing before and quoted £2100 to replace it. I contacted Skoda UK and, as a gesture of goodwill, they were prepared to cover 50 per cent of the price plus fitting and VAT (£1270). Too much for my purse, I am afraid. Have you heard of this unit failing with others?

Asked on 27 July 2013 by MW, East Grinstead

Answered by Honest John
Yes, it's a common failure. I'll add yours to the list.
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