Mercedes-Benz SLK-Class 2006 Owners Manual - Manual (Page 246)

245
Controls in detail
Audio system
Placing a “911” emergency call using
audio head unit with the phone
unlocked
̈ Press h button to switch to
telephone operation.
̈ Enter 911 using the number keypad on
the audio head unit.
̈ Press
s button for dialing to begin.
DIALING appears in the audio display
while the telephone establishes the
connection.
̈ Wait until the emergency call center
answers, then describe the emergency.