Setting the airflow
X Turn the SmartKey to position 2 in the ignition lock.
► To increase: press the 
button.
► To reduce: press the 
button.
The airflow from the rear-compartment vents and the center vents is the same.
See also:
Permissible trailer loads and drawbar
loads
Weight specifications
Maximum permissible gross vehicle
weight rating
The gross trailer weight is calculated by
adding the weight of the trailer to the weight
of the load and equipment on the tra ...
Defrosting the windows
Windows fogged up on the inside
► Activate the cooling with air
dehumidification function.
► Activate automatic mode .
► If the windows continue to fog up, activate
the defrost ...
Maintenance
Service interval display
Service messages
Information on the type of service and service
intervals (see separate Service Booklet).
You can obtain further information from an
authorized Mercedes-B ...