ML500 brake fluid disappearing2002 ML and no leak
#3
MBWorld Fanatic!
![](https://cimg2.ibsrv.net/gimg/www.mbworld.org-vbulletin/760x462/2017_11_11_181440_ed0efa565f8958ff6039d7d27cbdb725c02fa203.jpg)
Being that we do not know where you live, check the lines running alongside the chassis body. Over time, the lines tend to corrode at the plastic bracket/keeper.
#4
MBWorld Fanatic!
They can also leak into the brake booster or cabin, which may not be readily apparent. Check the bottom of the booster for wetness/rust/corrosion, and look inside where the pedals go through the body to see if there's fluid coming down.