What is the key to Mercedes-Benz external circulation?

There are control keys on the dashboard to show the inner ring and the outer ring. Look at the key prompt operation, and the icon can display the inner ring and the outer ring. 1. Turn on the air conditioner in the car and ensure that the A/C button remains on. 2. Turn on the in-vehicle circulation button, keep the indicator light of the in-vehicle circulation button on, and the in-vehicle circulation mode will always be on.

Mercedes benz c-class internal circulation opening mode: There are control keys on the instrument panel to display internal circulation and external circulation. Look at the key prompt operation, and the icon can display the inner loop and the outer loop.

1. Turn on the air conditioner in the car and ensure that the A/C button remains on.

2. Turn on the in-vehicle circulation button, keep the indicator light of the in-vehicle circulation button on, and the in-vehicle circulation mode will always be on.

Precautions for using internal circulation in mercedes benz c class: The use of internal and external circulation should be combined with air conditioning and warm air.

Using the external circulation, you can breathe the fresh air outside the car and drive at high speed. After a long time, you feel that the air in the car is turbid, people are uncomfortable, and you can't open the window. You should use external circulation to bring in the breeze. It is too hot to send warm air in winter, so you can turn off the fan, turn on the external circulation, keep the temperature inside the car, and feel more comfortable with fresh air.

But if you turn on the air conditioner to reduce the temperature inside the car, don't cycle outside at this time. You can turn on the external circulation every once in a while and get some fresh air. In summer, people always complain that the cooling effect is not good. In fact, it was accidentally set to the external circulation state, and the hot air outside the car continued to flow into the car, and of course the temperature would not drop. Therefore, if the refrigeration effect is good, it must be set to the internal circulation state; If the temperature is not too hot, it can be adjusted with a little air conditioner to make people more comfortable under the dual effects of air conditioner and breeze.

In addition, since most car owners drive in the city, they are reminded to use internal circulation as much as possible in traffic jams during rush hours, especially in tunnels. When the car starts to run at a normal constant speed, it should be turned on to the external circulation state. In addition, experts remind car owners that when encountering dusty road sections, don't forget to turn off the external circulation to block the external airflow while closing the window. Usually, it is best to set the parking in the internal circulation state, because in the external circulation state, the dust blown by the wind can easily enter the car, which increases the dust in the car.

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