Mercedes-Benz C-Class Operator's Manual page 240

Initiating an emergency call manually
Briefly press on cover (1) – the cover will open.
Tele Aid
Instruments
Operation
and controls
Instrument
Driving
cluster display
Press the SOS button (2) briefly. The indicator lamp in
the SOS button (2) will flash until the emergency call is
concluded. Wait for a voice connection to the Response
Center.
Close the cover (1) after the emergency call is
concluded.
237
Practical hints Car care
Technical
Index
data