2002 Mercedes S-Class Owner's Manual - Page 179

Instruments and controls Operation Driving Instrument cluster display Practical hints Car care Technical data Index Automatic climate control 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. Press ACOFF button to activate. The indicator lamp in the button illuminates. Press ACOFF button once again to return to the previous setting. The indicator lamp in the button goes out. Important! In the ACOFF mode the windows could fog up on the inside. Switch off ACOFF mode. 176 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 setting of the automatic climate control. 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 display shows "REST". This function selection will not activate if the battery level is insufficient.