Mercedes-Benz SL-Class 2007 Owners Manual - Manual (Page 184)

183
Controls in detail
Good visibility
Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the defrost-
er as soon as the rear window is clear. The
defroster is automatically deactivated af-
ter approximately 6 to 17 minutes of oper-
ation depending on the outside
temperature.
̈ Switch on the ignition ( ୴ page 39).
Activating
̈ Press button F on the automatic cli-
mate control panel ( ୴ page 185).
The indicator lamp on the button
comes on.
Deactivating
̈ Press button F ( ୴ page 185) once
more.
The indicator lamp on the button goes
out.
Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.
! The rear window defroster cannot be
switched on when the retractable hardtop is
open. The indicator lamp will start flashing if the
hardtop is open.
ț Close the retractable hardtop.
The rear window defroster can then be switched
on.
! If the rear window defroster switches off too
soon and the indicator lamp starts flashing, too
many electrical consumers are operating simul-
taneously and there is insufficient voltage in the
battery. The system responds automatically by
switching the rear window defroster off.
As soon as the battery has sufficient voltage, the
rear window defroster automatically switches
back on automatically.