Mercedes ML 320 summer vs winter
#1
Mercedes ML 320 summer vs winter
I bought my car from a private owner that said there is some switch or lever in the engine that has to be moved from hot weather to cold weather. I've never heard of such a thing and can't find anything about it on the Web. I tried to use my defrost for the first time and it's just blowing cold air and he said that's why. Does anyone know about this lever? It's a 1999 ML 320
#2
There is no such thing. Its probably something the owner hacked into the car's heater hose to compensate for a broken heat control valve.
Its likely that opening the valve will also prevent proper operation of the A/C system due to unrestricted coolant flow to the heater.
If you can post a picture of the engine bay we might be able to see it and point it out for you. Depending on what he did to it, we should be able to figure out what needs to be repaired/replaced to restore correct automatic operation.
Its likely that opening the valve will also prevent proper operation of the A/C system due to unrestricted coolant flow to the heater.
If you can post a picture of the engine bay we might be able to see it and point it out for you. Depending on what he did to it, we should be able to figure out what needs to be repaired/replaced to restore correct automatic operation.
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