Any codes? Can't turn off? could be broken switch cold and heat.
SOURCE: How to reset brake pads message on dash of mbz E320 2005?
the only way is to take it to a dealer
SOURCE: My E320 AC blower doesn't work
The blower motor and blower motor resistor need to be checked and replaced if one is good and the other bad it is stil a good idea to replace both at the same time, the resistor controls the power to the blower motor. it will be one or the other but replace both .
SOURCE: 2003 Mercedes E320 AC stoped working. Just get
Sounds like you need to take it to an ac shop could have a leak or something going wrong thats your warning light and a would take it to the shop
SOURCE: CHANGING THE HEADLIGHT ON AN E320 MBZ
It pretty straight forward of you open the hood and look at the back of the headlamp. You see a metal clip right where the wiring harness plugs into the back of the lamp. Just take a common screw driver and pop the clip out (be careful you don't pop the clip down into oblivion as it does tend to spring out with a bit of force.) The clip is held in place by two star headed screws. You do not need to mess with these, just pop the clip out from under the screw head. I assume it will say something to this effect when you buy the new bulb but be sure not to touch it directly with your skin as the oils in your skin will shorten the bulb's life considerably.
SOURCE: My heater and AC blower not working. Please help
In the fuse block,under the hood on top of the fender. Locate fuse #35 it's 40amp fuse for the blower moter. If the fuse is ok,there is another
common problem you can check. The blower moter resistor assembly,
located under the dash on right side. With a 12v test light check for
power to the blower moter from the resistor. If you have no power to the
moter, replace the resistor assembly. If niether of these works, I'll need
to know if you have climate control or manual control hvac. And for some reason, the wheel base. long wb or short wb. to dig any deeper.
But I hope one of the causes I've mentioned will cure the problem.
Good luck.
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No codes at all, everything is in good working order.
Did you change anything?
Water pump is good?
Water pump is good, car doesn't overheat even with AC blowing. I haven't changed anything yet but I'm thinking about changing the fan switch relay because I read something about that.
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