How to turn on the heater and air conditioner in Mercedes-Benz? Hot topics and practical guides across the Internet
Recently, as the temperature drops sharply, "Tips for using car air conditioners in winter" has become one of the hot topics on the Internet. Among them, the operating methods of the heater and air conditioner of the luxury brand Mercedes-Benz vary widely among car models, triggering extensive discussions among car owners. This article will combine the hot data of the past 10 days to provide you with a detailed analysis of the correct way to turn on the Mercedes-Benz heater air conditioner.
1. Top 5 car heater topics hotly discussed across the Internet

| Ranking | topic | amount of discussion | heat peak |
|---|---|---|---|
| 1 | Misunderstandings about air conditioner fuel consumption in winter | 285,000 | December 5 |
| 2 | Differences in operating air conditioners in luxury cars | 192,000 | December 8 |
| 3 | Warm air defogging techniques | 157,000 | December 3 |
| 4 | Complaints about Mercedes-Benz air conditioners | 113,000 | December 6 |
| 5 | Seat heating function comparison | 98,000 | December 4 |
2. Steps to turn on the Mercedes-Benz heater air conditioner (universal version)
1.Start the engine: Need to wait for the water temperature to rise to the normal range (about 3-5 minutes)
2.temperature regulation: Rotate the temperature knob in the central control area to the red area (recommended 22-26℃)
3.Air volume control: Adjust the wind speed through the +/- buttons, 2-3 levels are recommended in the initial stage.
4.Air outlet mode: Select foot or foot + front windshield mode
5.AC switch: AC can be turned off in winter to save energy consumption
3. Special operation methods for different models
| Model series | Operating characteristics | Things to note |
|---|---|---|
| Class C/Class E | Touch screen Climate menu control | Air conditioning system needs to be activated first |
| S class | Rear independent control panel | The temperatures of the front and rear zones need to be set separately |
| GLC/GLE | Steering wheel heating linkage | Automatic prompt when below 5℃ |
| EQ electric series | Heat pump system preheating | It is recommended to warm up the APP in advance |
4. User FAQs
Q1: Why is the heater not hot?
There may be insufficient coolant or a faulty thermostat. It is recommended to check whether the water temperature gauge is normal.
Q2: What should I do if the automatic mode doesn’t work?
You can press and hold the AUTO button for 3 seconds to reset the system, or restore factory settings through the MBUX system.
Q3: How to quickly defogging?
Turn on the front windshield defogger key and AC switch at the same time (even in winter) for the best effect.
5. Expert advice
1. In winter, it is recommended to turn on the cooling mode at least once a month to prevent pipeline aging.
2. When using the internal circulation for a long time, switch to the external circulation for 2 minutes every 30 minutes.
3. The Mercedes-Benz original antifreeze coolant replacement cycle is 4 years/60,000 kilometers.
4. Models after 2020 can be remotely preheated through the Mercedes me APP
6. Latest user feedback statistics
| Question type | Complaint ratio | solution |
|---|---|---|
| Complex operation | 43% | Watch the official tutorial video |
| Slow heating | 32% | Check thermostat |
| Odor problem | 15% | Replace air conditioning filter element |
| System failure | 10% | 4S store system upgrade |
With the development of automobile technology, the Mercedes-Benz air conditioning system has been upgraded from simple temperature adjustment to an intelligent climate control system. It is recommended that car owners regularly participate in usage training organized by the brand and follow the official public account to obtain seasonal usage tips. Correct use of the heating system can not only improve driving comfort, but also effectively extend the service life of the system.
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