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What is your question?
IT BLOWS HOT AIR WHEN I TURN ON JUST THE FAN ON COLD SETTING AND I TRIED TURNING ON THE AC BUT IT STILL BLOWS HOT AIR. WHAT DO YOU THINK IS THE PROBLEM?

2 Replies
You have a fault condition in your Climate Control system and it is in the fail over mode which is hot air, so you don't freeze in the winter. Really need to have the system diagnosed. It has its own pretty beefy computer system with codes and sensors etc.
i have this problem to a/c was blowing cold after i turn knob to off and turn back on came back on cold then the a noise came from the air vent switch to hot air cant get to change back to cold air. please help me out some one . like it just swap from cold to heat u can hear something inside shift over. on my ml320 98 mercedes. please can someone help me .