Mercedes Benz Tech Tips

Mercedes Evaporator Drain Tech Tip


My Feet Get Wet When I Turn A Corner.
The most likely cause is a clogged air conditioning or evaporator drain. Warmer air flowing past the colder evaporator condenses and drips into the evaporator pan. The water should immediately drain from the vehicle. This is the clear water you see streaming from underneath other people's vehicles when they are sitting at prolonged idle.
 
Over time the drain can become clogged with leaves or other debris that gets sucked in the climate control system. To repair this is quite simple. In most Mercedes Benz models the rubber drain hose exits underneath the car on the passenger side firewall, just to left of your feet when you are sitting in the car as a passenger. If you have access to compressed air a small short burst should unplug the drain. If you do not have compressed air you can unclog the drain sometimes by just squeezing the hose or sliding a screwdriver up the hose.
 
Stand back so you do not get soaked or stay put if you want to watch your custom Mercedes Benz water feature.. You are going to be really surprised how much water was in there.
 
 
 

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