A/C System With Automatic Control, CLIMATRONIC
An indicator lamp inside the controls indicates when the selected function is on. In addition to this, whenever a button or a control is selected, the function will briefly appear in the radio or radio/navigation system display.
If the lamp in the AC button does not come after the button is pushed, there may be a fault in the control module. Check the DTC memory with the Vehicle Diagnosis, Testing and Information System VAS 5051B (or succeeding model). If the fault entry A/C compressor first start not performed is present, then is it necessary to perform a basic setting and an adaptation A/C compressor first start in Guided Fault Finding.
To change from °C and °F in the radio or radio/navigation system display, go to the main menu in the instrument cluster. Use the switch on the windshield wiper lever (or multifunction steering wheel) to call up the main menu. Select settings, units and temperature.
Pressing the button AUTO will reverse all settings which deviate from the automatic operation.
Deviations from automatic operation, refer to the respective operating instructions.
When the OFF button is activated, the Climatronic does not work. There is no heating or ventilation.
When the OFF button is deactivated, the Climatronic works.
When the AC button is activated, the A/C compressor is switched on. The heating and ventilation operation continues to be controlled electronically.
If the AC button is deactivated, the A/C compressor is set to almost no delivery. The heating and ventilation operation continues to be controlled electronically.
Note the following on a vehicle with a Start/Stop System. Refer to START/STOP SYSTEM .