A friend of mine has this on eBay, was bought and never used. It is last year's map but at the price it may be worth an upgrade to someone. The full details are
Comand Navigation DVD - Europe 2009/10 for E-class - A2128272259 - Audio50 APS
Mercedes navigation DVD - Europe 2009/10 for E-class - A2128272259 - Audio50 APS | eBay
Comand Navigation DVD - Europe 2009/10 for E-class - A2128272259 - Audio50 APS
Mercedes navigation DVD - Europe 2009/10 for E-class - A2128272259 - Audio50 APS | eBay