How do I recharge my Mercedes e320 AC?
Open the hood of your VEHICLE and locate the low-pressure AC service port and remove the cap. Attach the refrigerant gauge to the service port. You will need to press and hold the quick-release at the end of the hose, insert it on the AC charging port then release it.
What refrigerant does Mercedes use?
Tetrafluoroethane (R123a) has been widely used by car makers, including Mercedes, as an air conditioning refrigerant for more than 25 years.
How do you reset the AC on a Mercedes e320?
How to Reset a Mercedes AC System
- Insert the key into the Mercedes ignition and turn the ignition cylinder to the “2” position.
- Press and hold the defrost and recirculated air buttons simultaneously.
- Wait 45 to 60 seconds for the LED lights to stop flashing.
- Wait 60 seconds and then start the car engine again.
Do you charge AC on high or low side?
Every auto air conditioning system has two service ports: one on the high pressure and one on the low pressure side. When recharging with AC Avalanche refrigerant, for safety, you will charge through the low side service port. Never charge through the high side port.
How much R134a does my car need?
Most newer passenger car A/C systems do not hold much refrigerant (only 14 to 28 oz.), so you don’t want to add too much if the system is low. One can of R-134a typically holds 12 oz. of refrigerant.
How do you reset the AC light on a 2001 Mercedes E320?
The reset works as follows: With the key in the ignition and in posistion 2 push both the defrost button and the recirc button (at the same time) for five seconds or untill the led lights in those buttons begin to flash. Wait for 30 seconds or untill the led’s stop flashing. Switch off the ignition.
What does AC Rest mean 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.
