Mercedes-Benz Actros 2017, Operating Instructions Manual, Page: 129 / 436

the operating time does not overlap with the
operating time of the auxiliary air condition-
ing.
X
Press the
s
or
r
button to select the
day.
X Press the
ù
button .
X
Press the
s
or
r
button to set the
hour.
X Press the
ù
button .
X Press the
s
or
r
button to set the
minute.
X
Press the
ù
button .
X Set the temperature using the
s
or
r
button.
X
Press the
ù
button .
Display shows the temperature, the
ù
timer symbol and the selected memory posi-
tion.
X
Switch the ignition lock to position 0 and
remove the key.
Auxiliary heating and/or engine preheating
switch on automatically at the set switch-on
times. If the indicator lamps in the
y
but-
ton in the control panel and in the additional
÷
button by the bed/berth light up, auxil-
iary heating and/or engine preheating are
activated.
i On vehicles with residual engine heat uti-
lisation, the residual engine heat is utilised
first at the switch-on time. The auxiliary heat-
ing system then switches on after a delay
once residual engine heat utilisation has
switched off automatically.
X
If you activate the switch-on time: open the
middle and side air vents (
Y
page 120).
X Heating or air conditioning: set the air-distri-
bution control to
O
.
X
Heating or air conditioning: set the air-distri-
bution control to level
1.
At the set switch-on time, the automatic air
conditioning system automatically switches
to automatic mode (
Y
page 119).
When the coolant temperature is sufficiently
high, the cab will also be heated while the
engine preheater is running.
The switch-on time for the engine preheater
can also be programmed while the auxiliary
heating is running. The auxiliary heating con-
tinues to run after the activation of the engine
preheater.
The engine preheating and auxiliary heating sys-
tems switch off automatically after approx-
imately 2 hours. The auxiliary heating runs on for
approximately 2 minutes after shutdown.
Auxiliary heating
127
Climate control
Z