2007 Mercedes-Benz CLS550 Q&A

2007 Mercedes-Benz CLS550 Question: my navigation system will not come on since daylight savings time.

My husband reset the clock and since then it comes on whenever and I have noticed that my clock will just start to reset its self and then the radio will sudden come on but once I turn the car of it will not start again. Also I noticed that it will say navigation please wait then after awhile that goes away and it just leaves these lines ----- but nothing happens. I called the mercedes dealership and they said it could be electrical problems so I had my both batteries,and the alternator checked and everything was fine. Hope this was enough information thanks in advance. -
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