Problem With The Rear Window Defroster - Mercedes-Benz B-Class Electric Drive Operator's Manual

Problems with the rear window defroster
Problem
The rear window
defroster has deactiva-
ted prematurely or can-
not be activated.
Switching air-recirculation mode
on/off
General notes
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the vehi-
cle will then be recirculated.
If you switch on air-recirculation mode, the
windows can fog up more quickly, in particu-
lar at low temperatures. Only use air-recircu-
lation mode briefly to prevent the windows
from fogging up.
Switching on/off
Turn the SmartKey to position 2 in the igni-
X
tion lock ( page 131).
Y
To activate: press the e button.
X
The indicator lamp in the e button lights
up.
Air-recirculation mode switches on automat-
ically:
at high outside temperatures
R
at high levels of pollution
R
When air-recirculation mode is activated
automatically, the indicator lamp in the e
button is not lit. Outside air is added after
about 30 minutes.
To deactivate: press the e button.
X
The indicator lamp in the e button goes
out.
Operating the climate control systems
Possible causes/consequences and M Solutions
The battery has not been sufficiently charged.
Switch off any consumers that are not required, e.g. reading
X
lamps, interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window
defroster can be activated again.
i
matically:
R
R
R
Convenience opening or closing using
the air-recirculation button
G
When using the convenience closing feature,
parts of the body could be trapped in the clos-
ing area when a side window is being closed.
There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. Make sure that no body parts are in
close proximity during the closing procedure.
G
During convenience opening parts of the body
could be drawn in or become trapped
between the side window and window frame.
There is a risk of injury.
Make sure that nobody touches the side win-
dow during the opening procedure. If some-
one becomes trapped, immediately press
Air-recirculation mode deactivates auto-
after approximately five minutes at out-
side temperatures below approximately
45 ‡ (7 †)
after approximately five minutes if the
"Cooling with air dehumidification" func-
tion is deactivated
after approximately 30 minutes at out-
side temperatures above approximately
45 ‡ (7 †) if the cooling with air dehu-
midification function is activated
WARNING
WARNING
123
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