Problems with the cooling with air dehumidification function
When you press the 
button, the
indicator lamp in the button flashes three
times or remains off. You can no longer switch
on the cooling with air dehumidification
function.
•► Consult a qualified specialist workshop.
See also:
Vehicle remote closing
If you forget to lock your vehicle but are no
longer in the vicinity of the vehicle, it can be
locked for you by the Mercedes-Benz
Customer Assistance Center.
The vehicle can be locked remotely ...
Occupant distribution
The distribution of occupants in a vehicle at
their designated seating positions. ...
MB Info call button
– Press and hold MB Info call button 1 for
more than two seconds.
This initiates a call to the Mercedes-Benz
Customer Assistance Center. The indicator
lamp in MB Info call button 1 flashes ...