How much is a new MC? Last time I bled brakes, following a MC replacement in a hotel parking ramp, I bought 20 feet of clear hose (fish tank air line, about $10 from Walmart pet department) and then ran a line from right rear caliper bleed screw back up to MC reservoir. Open bleed, pump the brakes until no more air bubbles, repeat at the other three calipers, done. I think I also needed a small can of new brake fluid.
Max Dillon Charleston SC Jan 5, 2021 8:53:49 AM Kaleb Striplin via Mercedes <mercedes@okiebenz.com>: > Perhaps I just need to replace the MC. > > Sent from my iPhone > >> On Jan 5, 2021, at 7:52 AM, Dan Penoff via Mercedes <mercedes@okiebenz.com> >> wrote: >> >> Interesting, as I had the exact same issue with the former ML500. Pedal >> wasn’t soft or bled down, but the travel seemed way too long, even after >> pressure bleeding the system when I replaced a stuck right rear caliper. It >> seemed like it almost went to the floor before you got any braking action. A >> pump didn’t make any noticeable difference. >> >> I replaced the master cylinder and it was much improved. >> >> -D >> >>> On Jan 5, 2021, at 8:47 AM, Kaleb Striplin via Mercedes >>> <mercedes@okiebenz.com> wrote: >>> >>> The thing that had me wondering about the MC is when it was leaking fluid >>> and got low the pedal would go all the way to the floor. Wondered if >>> pushing it too far ruined the seals in the MC. It does not seems to slowly >>> sink though but will drive it again and pay more attention. >>> >>> Sent from my iPhone >>> >>>>> On Jan 5, 2021, at 7:35 AM, Jim Cathey via Mercedes >>>>> <mercedes@okiebenz.com> wrote: >>>> >>>> >>>>> >>>>> Always thought bad master cylinder was a slowly sinking pedal. >>>> >>>> Or brakes that won't release. The OP's problem sounds like it's >>>> not bled correctly. Especially since he didn't touch the MC mechanically. >>>> >>>> -- Jim >>>> >>>> >>>> _______________________________________ >>>> http://www.okiebenz.com >>>> >>>> To search list archives http://www.okiebenz.com/archive/ >>>> >>>> To Unsubscribe or change delivery options go to: >>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>> >>> >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> >> >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
