Radio not powereing

Hello, i just bought Mercedes Benz C280 4matic 06 but i notice the radio not powering pls any clue on this. Thanks

Hello, i just bought Mercedes Benz C280 4matic 06 but i notice the radio not powering pls any clue on this.
Thanks

---------------------------------------------------------------------------
Visit this link to stop these emails: http://zpr.io/t5iAW