Mercedes-Benz S-Coupe 2015 - Manual (Page 140)

Windows fogged up on the outside
X
Activate the windshield wipers.
X
Switch on automatic mode using the Ã
rocker switch.
i If you clean the windows regularly, they
do not fog up so quickly.
Rear window defroster
General notes
The rear window defroster has a high current
draw. You should therefore switch it off as
soon as the rear window is clear. Otherwise,
the rear window defroster switches off auto-
matically after several minutes.
If the battery voltage is too low, the rear win-
dow defroster may switch off.
Activating/deactivating
X Turn the SmartKey to position 2 in the igni-
tion lock (
Y
page 147).
X
Press the ¤ rocker switch up or down.
The indicator lamp in the ¤ rocker
switch lights up or goes out.
138
Operating the climate control systems
Climate
control