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 defrosting function
You should only select this setting until the windshield is clear again.
Windows fogged up on the outside
•► Switch on the windshield wipers.
•► Automatic climate control: press switch
10 up or down until the
or
symbol appears in the
display.
•► Automatic climate control: press button
13 up or down until the or
symbol appears in the
display.
You should only select this setting until the windshield is clear again.
See also:
Emergency call
Important safety notes
A license agreement must exist in order to activate the mbrace service. Ensure
that your system is activated and ready for use, and press the
MB Info call button to regi ...
Correct driver's seat position
Observe the safety guidelines on seat
adjustment.
► Check whether you have adjusted seat 3
properly.
Electrical seat adjustment
When adjusting the seat, make sure:
• you are as far aw ...
Fuel requirements
Use only premium-grade unleaded gasoline.
The octane number should be at least 91.
Details can be found on the gas pump. The
octane number is the average value of the
Research Octane Number (RON ...