2008 Mercedes SLK-Class Owner's Manual - Page 222

Controls in detail Audio system Adjusting the volume Turn rotary control of E button during a telephone call. The volume will increase or decrease depending on the direction turned. Placing a call Entering a telephone number and starting the dialing process If necessary, correct number entered with the CLR soft key. Press soft key briefly to delete the last digit entered; press soft key and hold to delete the complete number. After correct telephone number has been entered, press s button. i The volume can be adjusted separately for telephone mode and audio mode. i If the telephone number has been saved together with a name in the telephone book, the name will appear in the display. Adjusting sound Adjust sound during a telephone call. Sound adjustment see "Adjusting sound functions" ( page 197). Enter desired telephone number using buttons 1 to R. The number can have up to 32 digits, but only twelve of these are visible in the display. Phone book The numbers stored in the phone book of the telephone can be called up either by name or number. In addition, incoming calls are stored in the phone book. i This is only possible, however, when the call information transmitted includes the number of the person calling. If the telephone number is not transmitted, NO NUMBER will be stored in the phone book. 221