Have Mercedes Questions? Ask a Mechanic for Answers ASAP
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
Make sure your model is equipped with satellite radio if this is the first time ever using it as the buttons may be there meaning its pre wired but may not be installed.If it is installed and did work before this can be an issue with the satellite receiver itself needing replaced.You will have to have this tested further to pinpoint and repair the cause here.
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