My 1982 MB 300SD is not given me hot air to my car cabin.
I touched the pipe that comes from engine to the heater core and it is hot but the air to the cabin compartment is not coming hot.
Just want to know the sequence of the hot coolant from engine to the heat core. I don't know if the hot coolant will go to somewhere before travel to the heat core. I need help from someone from this forum in order to get my heat working. We are just in the beginning of the winter and I need to drive my MB everyday to work.
Thanks to all.

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Nyck - TX - USA