The ignition is switched on.
The starter battery is sufficiently charged.
The Mercedes-Benz emergency call system automatically triggers an emergency call after activation of the restraint system in the event of an accident, for example airbags or seat belt tensioners.
A voice connection is made to the Mercedes-Benz emergency call centre.
A message with accident data is transmitted to the Mercedes-Benz emergency call centre.
The Mercedes-Benz emergency call centre can transmit the vehicle position data to one of the public emergency services call centres.
Under certain circumstances data is also transmitted in the voice channel to the Mercedes-Benz emergency call centre.
This allows measures for rescue, recovery or towing to a Mercedes-Benz Service Centre to be initiated quickly.
The SOS button in the overhead control panel flashes until the emergency call is finished.
It is not possible to immediately end an automatic emergency call.
If the Mercedes-Benz emergency call system cannot connect to the Mercedes-Benz emergency call centre, the emergency call is automatically sent to the public emergency services call centre.
If no connection can be made to the public emergency services, a corresponding message appears in the display.
Remain in the vehicle if the road and traffic conditions permit you to do so until a voice connection is established with the emergency call centre operator.
Based on the call, the operator decides whether it is necessary to call rescue teams and/or the police to the accident site.
If no vehicle occupant answers, an ambulance is sent to the vehicle immediately.