Will later year SD Nav cards work? ebay cards?
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Will later year SD Nav cards work? ebay cards?
New 2017 C300 Cab owner. My car is set up for the SD Nav card. Would SD nav cards for the '18 and '19 model years offered on Amazon and ebay work in my '17 or must I use only the 2017 card? Are the cheaper cards sold on ebay genuine and functional?