See also:

Back button
1 Back button To exit the menu: press back button 1 briefly. COMAND changes to the next higher menu level in the current operating mode. You can also exit a menu by sliding or the CO ...

Problems with the SmartKey
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Service messages
Information on the type of service and service intervals (see separate Service Booklet). You can obtain further information from an authorized Mercedes-Benz Center or at http://www.mbusa.com (U ...