Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected.
If the battery voltage is too low, the seat ventilation may switch off.

•► Make sure that the SmartKey is in position 2 in the ignition lock.
•► To switch on: press button 1 repeatedly until the desired ventilation level is set.
You can open the side windows and the sliding sunroof using the "Convenience opening" feature. The seat ventilation of the driver's seat automatically switches to the highest level.
To switch off: press button 1 repeatedly until all the indicator lamps go out.
See also:
Search & Send
"Search & Send" is a destination entry
service. You can find further information on
"Search & Send" in the separate COMAND
operating instructions. ...
Roadside Assistance button
► Open the stowage compartment under the
armrest.
► Press and hold Roadside Assistance
button 1 for more than two seconds.
This initiates a call to the Mercedes-Benz
Customer Assi ...
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 ...
