W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Brake line pressure vs pedal travel

Old Mar 13, 2018 | 10:31 AM
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Brake line pressure vs pedal travel

Does anyone have a chart showing desired brake line pressure vs pedal travel?
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Old Mar 13, 2018 | 11:42 AM
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these things are brake by wire,, not sure if its strictly linear or may have some speed inputs as well as pedal travel
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Old Mar 13, 2018 | 01:17 PM
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Originally Posted by hayseed
these things are brake by wire,, not sure if its strictly linear or may have some speed inputs as well as pedal travel
understandable. if I could find a ballpark figure, say for instance line pressure while stopped, pedal pressed 1" (doesn't have to be that exactly) but something a bit more linear than the driving conditions may show
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Old Mar 13, 2018 | 02:18 PM
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Wikipedia, says that electric motor supplies a controlled brake fluid pressure between 140 and 160 Bar in the gas diaphragm reservoir.
This equates to 2030 PSI at 140 Bar to 2320 PSI at 160 Bar. I hope that helps. So I would advise your to leave that thing alone, as you could get hurt.

Last edited by Yuille36; Mar 13, 2018 at 02:23 PM.
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Old Mar 13, 2018 | 02:57 PM
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Originally Posted by Yuille36
Wikipedia, says that electric motor supplies a controlled brake fluid pressure between 140 and 160 Bar in the gas diaphragm reservoir.
This equates to 2030 PSI at 140 Bar to 2320 PSI at 160 Bar. I hope that helps. So I would advise your to leave that thing alone, as you could get hurt.
thanks, that helps. I'm just checking the pressures in the MB II scan tool
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Old Mar 13, 2018 | 03:03 PM
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Originally Posted by scott099
thanks, that helps. I'm just checking the pressures in the MB II scan tool
Understood
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Old Mar 13, 2018 | 06:22 PM
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The SBC is an interesting subject. Driving at speed I never notice that I don't have a regular brake setup. At low speeds, parking etc I find the system is slower to react and fine control is more difficult to achieve than with other cars. Anyone noticed anything similar?

How are you finding the MB ii ? I haven't had time to explore mine fully yet.
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Old Mar 14, 2018 | 04:21 PM
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Originally Posted by tw2
How are you finding the MB ii ? I haven't had time to explore mine fully yet.
works as described. was a little surprised the engine had to be running to pull the codes properly. that seems a bit odd, not like any code reader I've used before. or maybe normal for MB honestly idk, this is my 1st one
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