In-Vehicle Temperature Sensor
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.
The in-vehicle temperature sensor is a negative temperature coefficient resistor. Sensor sends signals to the A/C control module to maintain in-vehicle temperature. Sensor is located on the center panel of the instrument cluster.