Hello
i am having a problem with my e220 cdi w212 car ac it is not blowing cold air but when i turn the ignintion on it throw cold air inside and but giving some gas it automatialy shuts the cold air and dont give the cold air inside the cabin as my ac button is also on can anyone help me with this problem and let me know what it is

 

Okay, so this is going to sound weird, but... I had a similar issue and took the car to the dealer (at the time it was still under warranty), they did a software update and fixed the problem. Yes, a software update fixed the AC, crazy. Can you imagine if I had taken it to an independent shop. I bet I would be told that I would need to replace AC system parts. Now, you might have something completely different, but my suggestion would be to take it to the dealer first and see what they say.