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Mercedes-Benz
R230, W211
Brake Operating Unit
1
18
53
53
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53 pages, 4.32 Mb
18
Brake Operating Unit
The Brake Operating Unit (BOU)
consists of the following:
•
Brake fluid reservoir
(Do not overfill!)
•
SBC pedal value sensor
•
Tandem master cylinder
•
Brake pressure simulator
(Note: no vacuum booster)
Contents
Main
Objectives
Contents
Page
Advantages of SBC
Page
Page
Driving with SBC -Wake-Up
Driving with SBC Pre-Drive Check (PDC)
Page
Page
Page
Page
W211 System Overview
R230 System Overview
X11/4 Diagnosis Connection
R230 W211
Page
Brake Operating Unit
Page
Page
Page
BOU Tandem Master Cylinder
Normal Braking -Light Pressure
A7/3
y1 y2
Page
Normal Braking -Strongest Feedback
Emergency Operation
Page
Page
Legend
Emergency Operation Circuit
Brake Pressure Supply
Page
Pressure Apply -Rear Wheels
Pressure Apply -Front Wheels
Page
Page
Page
Page
Deactivation
Page
Page
System Activation
Page
Page
Page
Page
Page
Page
Bleeding the Brake System
Equipment Required
Page
Acronym List
Appendix