Residual Heat And Ventilation; Rear Automatic Climate Control - Mercedes-Benz ML320 Cdi Operator's Manual

Controls in detail
3-zone automatic climate control*

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.
i
How long the system will provide heating
depends on
the coolant temperature
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.
232
Activating
Switch off the ignition ( page 39).
Press button 9 ( page 222).
The indicator lamp on the button
comes on.
Deactivating
Press button 9.
The indicator lamp on the button goes
out.
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The residual heat is automatically turned off:
when the ignition is switched on
after about 30 minutes
if the coolant temperature is too low
if the battery voltage drops

Rear automatic climate control

The control panel is located at the rear of
the front center console.