AC Problem on 2004 Mercedes-Benz C240

Hello Dear,
am encountering the 2 faults below, please can you solve it?

1) ac / heat / cold is not working, when i turn it on its not working at all and i dont hear the sound of the fan.

2) fluid and cooler faults always appear even there is lot of water in both of them.

Asked by for the 2004 Mercedes-Benz C240
suggest visiting your local MB specialist; does not sound
like this is a fuse.
1 more answer
Any suggestions about what it could be ?
Need new crompressor or need to change something ?
Just to stay in the image before i go to mb service center ...