She is beautiful. My guess is that she smells because of the bottom plate that she sits on. I'm sure that it is about dripping with old smelly oil.
Make sure when you take her in you ask them about replacing that. If you carefully take the screw out of the bottom of her and remove that plate that is under the machine, you will see what I am talking about. Just be very careful doing that, because if that plate is full of oil, it can get messy when you remove it. It is made for that reason, to soak up the oil that drips off the inside of the machine. The inside of that plate comes off.
Once you change that out, I'm sure she won't have that bad smell anymore.