If your Mercedes is blowing hot air, it could be due to several reasons. Common issues include low refrigerant levels, a malfunctioning compressor, or a faulty climate control system. Additionally, a clogged cabin air filter or a leak in the AC system may also cause inadequate cooling. It's best to have a professional diagnose the problem to ensure proper repairs.
Your engine is hot.
The AC isn't working.
your car ac will only blow hot air when there coolannt in the car is finished or the car is oveerheated.
If your ac is making noises or is blowing hot air instead of cold
Need to add Feron.
It may have a bad heater core.
There are three main possible causes to explain why a car air conditioner is blowing hot air. These causes are a worn out compressor, refrigerant leak, and an electrical problem.
Low refrigerant charge? Temperature contro set to HOT position?
Clutch possibly not engaged compressor maybe.
Is the AC condenser in your system blowing cold air?
AC System probably needs refrigerant added.
If the AC control is always blowing hot air, the AC control head has failed.