Hi all, I didn’t use my ac for about a year and a half or so (you know the fan issue). Now that I got it fixed I need to add Freon! Do I have a slow leak somewhere? Or is it normal to recharge the system every few years? Just what hapens to the freon?

Thanks

__________________
98 E320 175,600m
99 ML320 175,500m
as of 12/2012