How do I reset my Mercedes e320 AC?

How to Reset a Mercedes AC System

1. Insert the key into the Mercedes ignition and turn the ignition cylinder to the “2” position.
2. Press and hold the defrost and recirculated air buttons simultaneously.
3. Wait 45 to 60 seconds for the LED lights to stop flashing.
4. Wait 60 seconds and then start the car engine again.

Why is my Mercedes AC not working?

While there are a variety of reasons your Mercedes-Benz C300 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.

Why is my Mercedes AC hot?

Another issue that might be happening when your AC is blowing hot air is a refrigerant or coolant leak. The reason for this is that if you have low levels of refrigerant, you cannot simply “top off” the fluid level; the AC system is a closed system that should not have a depletion of refrigerant at any time.

How do I reset my Mercedes W204 climate control?

To reset the Mercedes W204 AC, insert the key and turn the ignition to the 2 position. Press and hold defrost and recirculated air buttons at the same time for ten seconds. Wait a minute for LED lights to stop flashing and turn off the car. Wait another minute and start the car again.

How do I reset my air conditioner?

How Do I Reset My Air Conditioning Unit?

1. Shut it Off. First, turn off your AC before resetting the thermostat.
2. Get to the Circuit Breaker. So far, so good.
3. Wait 30 Seconds. After turning off the circuit breaker linked to the AC unit, wait for a full minute.
4. Turn it Back On.

What does AC rest mean in Mercedes?

What does the REST button do in a Mercedes? The REST button in a Mercedes keeps the cabin warm for up to half an hour after the engine has been switched off. A small fan blows warm residual air from the engine bay and coolant system into the car interior to help keep you warm even when the engine isn’t running.

Why is my AC not blowing cold air in my car?

Air Conditioning Not Working in Your Car? The most common causes of broken air conditioning are leaks or compressor issues. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC.

Why is my Mercedes aircon not cold?

The AC compressor has the function of circulating refrigerant through the system, providing cool air that will blow out of the vents. There could be a leak in one of the seals, which will cause contamination with exterior debris. This can stop the cold air from coming out of the vents.

Why is AC running but not cooling?

If you’re experiencing AC not cooling while the system is powered on, you could have a clogged or blocked coil. Unfortunately, a wide variety of debris can find its way into this equipment, including grass, dirt, and other contaminants. This can result in a serious clog, which can lead to a system malfunction.

Why is my Mercedes-Benz E320 AC not working?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Mercedes-Benz E320 has air conditioning problems?

How to troubleshoot your Mercedes Benz air conditioner?

Identify the location of your compressor. Look at the pullyer and you should be able to see if it spining or not. The engine running turn the A/C on max cool, set fans high, and make sure that the clutch is engaging on the compressor. The pulley spins any time the engine is running. The center part of the A/C pulley only engages when the A/C is on.

What are the most common air conditioner problems?

Common A/C Problems 1 A/C Blowing Warm Air 2 No pressure or low refrigerant levels in the A/C System 3 Compressor Clutch 4 Freon R134a leaks 5 A/C compressor not engaging. 6 Liquid lock of the compressor 7 A/C blowing hot air 8 Compressors switches on then off very quickly.

How do you reset the AC system on a Mercedes?

Hold these buttons down for about five to 10 seconds, or until the LED lights on both buttons start flashing. Wait 45 to 60 seconds for the LED lights to stop flashing. Then turn off the car. Wait 60 seconds and then start the car engine again.