What to do if ambient temp reading is incorrect?
What to do if ambient temp reading is incorrect?
If an owner has a concern with the function or accuracy of the ambient air temperature display, perform the instant update to determine if the display will read an accurate temperature. To perform an instant update of the Ambient Temperature Sensor, simultaneously press and hold the Recirculation button and A/C button on the HVAC control head.
Why is the ambient temperature sensor not accurate?
There is a certain reason behind sensor location at this place. It is so to keep the sensor away from engine heat. The reading will not be accurate if there is engine heat and outside temperature both around the sensor. Mercedes Air Condition Reset: How To Do it properly?
When does the outside air temp change?
Once the new outside air temperature reading exceeds the previous temperature and the vehicle is traveling less than 18 mph (29 km/h), the displayed outside air temperature will remain at its last value. Once the vehicle speed exceeds 18 mph, the displayed outside air temperature will be updated.
How can I update the ambient air temp?
The scan tool has the ability to update the displayed ambient air temperature. To update the ambient air temperature display on the HVAC control module, perform the following procedure: Turn ON the ignition.
If an owner has a concern with the function or accuracy of the ambient air temperature display, perform the instant update to determine if the display will read an accurate temperature. To perform an instant update of the Ambient Temperature Sensor, simultaneously press and hold the Recirculation button and A/C button on the HVAC control head.
There is a certain reason behind sensor location at this place. It is so to keep the sensor away from engine heat. The reading will not be accurate if there is engine heat and outside temperature both around the sensor. Mercedes Air Condition Reset: How To Do it properly?
Once the new outside air temperature reading exceeds the previous temperature and the vehicle is traveling less than 18 mph (29 km/h), the displayed outside air temperature will remain at its last value. Once the vehicle speed exceeds 18 mph, the displayed outside air temperature will be updated.
The scan tool has the ability to update the displayed ambient air temperature. To update the ambient air temperature display on the HVAC control module, perform the following procedure: Turn ON the ignition.
