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:
Hydroplaning
If water has accumulated to a certain depth
on the road surface, there is a danger of
hydroplaning occurring, even if:
• you drive at low speeds.
• the tires have adequate tread depth.
For ...
4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are
permanently driven. Together with ESP®, it
improves the traction of your vehicle
whenever a drive wheel spins due to
insufficient grip.
WARNING
If a ...
Problems with the occupant classification system
Problem
Possible causes/consequences and
Solutions
The indicator lamp
illuminates and remains illuminated.
The person on the front-passenger seat:
- has the weight of ...