JQmile

So I've been watching my 2013 RWD CLS550 sink a little lower each day (especially in the back) because the compressor doesn't seem to be coming on. I noticed this last time I tried to raise the car and it didn't do anything. Since then I haven't once heard it activate or the little puff of released air in the back after the car is turned off. I'm about even with the tires right now instead of being a few inches above them. I've heard about fuses in the engine bay and relays in the back? Is there anyone who could post pictures of what's what before I resort to YouTube mechanicing? Also is there some sort of way to test the compressor (fuse jumper or hot-wire the compressor) to see if that really is the problem? I'd like to figure something out before the car hits the deck

Beer_Bandit

Have you tried scanning for codes? That would be a good place to start.