I think that high pressure hose is a common failure item. The part sells for about $100 last time I looked. Installation is a bit awkward but not worth $600 for pro labour. You can DIY w/o a lift.
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
Mercedes-Benz Forum
BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more!