Para - to select, Para - press button, Para - the function switches off automatically – Mercedes-Benz 2001 C 320 User Manual
Page 165: Item - • after approximately 30minutes, Item - • if the battery voltage drops

156
Automatic climate control
Technical
data
Instruments
and controls
Operation
Driving
Instrument
cluster display
Practical hints
Car care
Index
Residual engine heat utilization
With the engine switched off, it is possible to continue
to heat or ventilate the interior for a short while. Air
volume and distribution are controlled automatically.
To select:
Turn the electronic key in starter switch to position 1
or 0 or remove it altogether.
Press button
T. The indicator lamp in the button
illuminates.
This function selection will not activate if the battery
level is insufficient.
The function switches off automatically:
• if the electronic key in starter switch is turned to
position 2,
• after approximately 30 minutes,
• if the battery voltage drops.