Economy Mode; Residual Engine Heat Utilization - Mercedes-Benz 2002 M-Class Operator's Manual

Economy mode

The function of this setting corresponds to the
automatic mode. However, because the air conditioning
compressor will not engage (fuel savings), it is not
possible to air condition in this setting.
OFF
Press AC button to activate. The indicator lamp in the
button illuminates.
OFF
Press AC button once again to return to the previous
setting.
Important!
OFF
In the mode AC
inside. Switch off AC
Automatic climate control
Instruments
Operation
and controls
the windows could fog up on the
OFF
mode.
Instrument
Driving
cluster display

Residual engine heat utilization

With the engine switched off, it is possible to continue
to heat or ventilate the interior for a short while,
dependent of the temperature set in the climate control.
Air volume and distribution are controlled
automatically.
To select:
Turn the key in steering lock to position 1.
Press button T. The indicator lamp in the button
illuminates.
To switch off:
Press button T. The indicator lamp in the button
goes out.
This function selection is automatically switched off,
• if turning the key in steering lock to position 2,
• after approx. 30 minutes,
• if the coolant temperature is too low and
• if the battery voltage drops.
Note:
The fan switches to a lower speed independent of the
setting of the air volume control.
117
Practical hints Car care
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