Call priority
When service calls are active, e.g. Roadside Assistance or MB Info calls, an emergency call can still be initiated. In this case, an emergency call will take priority and override all other active calls.
The indicator lamp of the respective button 
flashes until the call is ended. An emergency 
call can only be terminated by the Mercedes- 
Benz Customer Assistance Center. All other 
calls can be ended by pressing the  button on the multifunction steering wheel or 
the corresponding button for ending a 
telephone call on the COMAND telephone 
keypad.
 
button on the multifunction steering wheel or 
the corresponding button for ending a 
telephone call on the COMAND telephone 
keypad.
See also:
Checklist before driving off-road
   ► Engine oil level: check the engine oil 
and
top it up if necessary.
The vehicle can only guarantee a smooth
supply of oil on steep stretches if there is a
sufficient level of engine oil ...
   
Individual seats for the passengers in the rear, for the first time fitted 
with ISOFIX child seat attachments
   Two individual seats in the rear provide a particularly comfortable 
experience in the second row. These seats are well-liked for their extensive 
lateral support which comes from the contouring. Th ...
   
General notes
   If you cannot lock or unlock the vehicle with 
the SmartKey, either the battery in the 
SmartKey is discharged, the SmartKey is 
faulty or the starter battery is discharged.
- Check the battery in ...
   
