Economy Setting Not In Heating Mode
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Mercedes-Benz ML55, 2001 Mercedes-Benz ML430, 2001 Mercedes-Benz ML320, 2000 Mercedes-Benz ML55, and 2000 Mercedes-Benz ML430. However, it is still accessible from the selected car via links, so may be relevant.
To check economy setting without heating mode activated, set temperature selector knob to Blue range. Set mode control knob to the 9-o'clock position. Ensure A/C button indicator is not illuminated. Ambient air will flow from center outlet and A/C compressor will NOT be engaged. If operation is not as specified, perform the following:
- Check A/C button activation. See A/C BUTTON under ELECTRICAL TESTS.