Mercedes-Benz B 250 e 2015, Owner'S Manual

Page: 123 / 293

Problems with the rear window heating
Problem
Possible causes/consequences and M M Solutions
The rear window heating
has switched off prema-
turely or cannot be acti-
vated.
The battery has not been sufficiently charged.
X
Switch off any consumers that are not required, e.g. reading lamps,
interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window heating
can be activated again.
Switching air-recirculation mode
on/off
General notes
You can deactivate the flow of fresh air if
unpleasant odours are entering the vehicle from
outside. The air already inside the vehicle will
then be recirculated.
If you activate air-recirculation mode, the win-
dows can mist up more quickly, in particular at
low temperatures. Only use air-recirculation
mode briefly to prevent the windows misting up.
Switching on/off
X
Turn the key to position 2 in the ignition lock
(
Y
page 126).
X
To activate: press the e button.
The indicator lamp in the e button lights
up.
Air-recirculation mode is activated automati-
cally:
R
at high outside temperatures
R
at high levels of pollution
When air-recirculation mode is activated auto-
matically, the indicator lamp in the e button
is not lit. Outside air is added after about
30 minutes.
X
To deactivate: press the e button.
The indicator lamp in the e button goes
out.
i
Air-recirculation mode is deactivated auto-
matically:
R
after approximately five minutes at outside
temperatures below approximately 7 †
R
after approximately five minutes if the
"Cooling with air dehumidification" func-
tion is deactivated
R
after approximately 30 minutes at outside
temperatures above approximately 7 † if
the cooling with air dehumidification func-
tion is activated
Convenience opening or closing using
the air-recirculation button
G
WARNING
When using convenience closing, you could
become trapped within the sweep of the clos-
ing window. There is a risk of injury.
Monitor the entire closing procedure when
using convenience closing. When closing,
make sure that no one has any parts of the
body within the closing area.
G
WARNING
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.
When opening, make sure that nobody is
touching the side window. If someone
becomes trapped, immediately press
the W switch in the door to stop the move-
ment of the side windows. To continue closing
the side window, pull on the W switch.
120
Operating the climate control system
Climate
control