Mercedes-Benz R 350, Operator'S Manual

Page: 244 / 561

243
Controls in detail
3-zone automatic climate control*
Deactivating
왘
Press button
;
(
컄
page 232) again.
The indicator lamp on the button goes
out.
Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.
Activating
왘
Switch off the ignition (
컄
page 38).
왘
Press button
9
(
컄
page 232).
The indicator lamp on the button
comes on.
Deactivating
왘
Press button
9
.
The indicator lamp on the button goes
out.
i
If you manually set the temperature, air
volume or air distribution for the pas-
senger side or the rear passenger com-
partment when the
MONO setting is
active, the MONO setting will be
switched off.
i
How long the system will provide heat-
ing depends on
앫
the coolant temperature
앫
the battery voltage
Regardless of the temperature and air
volume set on the automatic climate
control panel, an interior temperature
is aimed at by 72°F (22°C) and the
blower runs on low speed to protect
the vehicle battery.
i
The residual heat is automatically
turned off:
앫
when the ignition is switched on
앫
after about 30 minutes
앫
if the coolant temperature is too
low
앫
if the battery voltage drops