Mercedes-Benz 2004 C-Class Wagon, Operator'S Manual

Page: 167 / 400

167
Controls in detail
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.
Activating
왘
Turn the SmartKey in the starter switch
to position
1 or 0 , or remove it from
the starter switch.
왘
Press button ° (
컄
page 159).
The indicator lamp on the button
comes on.
Deactivating
왘
Press button ° (
컄
page 159).
The indicator lamp on the button goes
out.
The residual heat is automatically turned
off:
앫
when the ignition is switched on
앫
after about 30 minutes
앫
if the battery voltage drops
i
How long the system will provide
heating depends on the coolant
temperature and the temperature set
by the operator. The blower will run at
speed setting
1 regardless of the air
distribution control setting.