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2013 Mercedes-Benz C350 Questions

Get answers to questions about your 2013 Mercedes-Benz C350 at RepairPal. Find solutions, diagnose problems and get back on the road.

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I received an error message on the NAV screen of my C350 stating that the anti theft lock has been activated. It won't let me use the NAV or the Sirius radio or anything on that screen. I don't know how to get it off as I didn't do anything to turn it on. Please help!!