I have tons of those fuses and also tried the old glass fuses none of them will fit in there. I can not find anyone that knows what it is. this friend of mine wants me to take it to the Mercedes shop and have them fix it. Ok so I drive a Mercedes that doesn't mean I have a ton of money to pay someone for something I can try and figure out for myself. :smartass2
But I do Love my car it is Awesome OH does anyone have a passenger side Sunroof rail they are getting rid of? Mine is GONE I have what I call a Double sunroof.:D guess Im special!:P Naaaw just means Who ever drives with me on a rainy day gets the bonus ride of a Shower

You have the Type II ACC system in your car. It was made with the Chrysler servo, a real PITA.
There was a vacuum harness that ran off the servo, under the battery tray and into the vehicle. If the battery leaks, acid will end up in the harness and fumes do their thing to vacuum pods controlling central locking, ACC and engine shut off.
In most cases the servo fails and the end result is no heat.
Do a search for Type II ACC, there have been extensive articles written in this forum about this subject.


OR....if somebody knows how to contact George Murphy, he has written articles for STAR magazine how to repair Type II and Type III ACC.

Ok I broke down and went to a benz repair shop and of course the only thing they would tell me without charging me $65.00 an hour was that my heater valve was broken and that they would have to bring up the wiring diragram for the fuse/sensor that is empty and it is located by the AC relays sheesh Do i look like i walk around with $$$$ falling out of my A$$?????

Can comeone tell me if the little pipe is suppose to be *Closed* a water hose from the heater Valve goes to it but we took it off and either it is Very corroded or it is suppose to be closed can someone let me know?

thanks

Clarify what you mean by a little closed pipe.

George Murphy's phone number can be found in a number of posts on this forum.

It could easily be your servo. Start looking for a used one or start saving $$. There's an aftermarket computerized replacement that runs around $600. Performance Products sells it.
New servos are priced at $1600 at Performance (I think). Rebuilts are available. Perhaps from George Murphy.
Typically the original servos crack their plastic bodies and leak.

Ooops the picture hadn't opened for me. Where does that come from? I don't recognize it.

in the picture the bigger pipes are for the heater hoses and then the smaller one connects to my heater valve and it is sealed shut or corroded not sure if it suppose to be sealed or not.

I tried to circle the little one in red but you can barely see it.

Where on the car are these pipes located? I don't recognize them as the kind of configuration associated with the servo cars.
Does your car have manual climate control or automatic climate control? Is the panel which holds the climate control buttons and wheel square or just rectangular? Do you have a blue/white/red temperature wheel?

If you take a picture of your underhood configuration we can tell if you have the servo or monovalve or manual system.

it has the wheel but no matter what the air conditioner runs when i turn it on even with the air button turned off

ok i tried to take a picture the one with the copper tubing spliced in is where the heater valve was because it was leaking. if you look towards the firewall thats where the other pipe is. also I took a picture of the EVIL servo at least i think thats what it is. let me know please.



heres a picture of my $600.00 300D 123/130

I don't think that line should be sealed. I will look on my 78 tonight and see, but I doubt it.

Ok after trying to fix the heat I have figured out that when ever i push the buttons on the climate control the Air conditioner runs no matter what setting it is on. Any ideas where I should start to look for this?

Still cold but at least im still in FLA and not NC yet... :>