Mercedes-Benz W211, R230 manual Normal Braking Light Pressure

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Normal Braking - Light Pressure
		• Driver applies
		pressure to the
		brake pedal
		• Fill valves close
		• Pedal travel sensor
		sends a signal to A7/3
		• y1 and y2 energized,
		preventing fluid
		movement externally
		• Floating piston allows
		fluid to enter simulator,
y1	y2	compressing the light
y1	y2	spring, providing pedal
A7/3		feel to the driver
A7/3		23

GF42.46-P-4200-03SL

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Contents SBC Sensotronic Brake ControlObjectives Contents SBC Incorporates these Functions Advantages of SBC Advantages of SBC Advantages of SBC Driving with SBC Wake-Up Driving with SBC Pre-Drive Check PDC Driving with SBC Delayed Off Function Page Page SBC Components SBC W211 System OverviewR230 System Overview X11/4 Diagnosis Connection Brake Operating Unit BOU Brake Operating Unit Master Cylinder Fluid Reservoir Cover Pedal Value Sensor B37/1 Fluid reservoir BOU Tandem Master CylinderNormal Braking Light Pressure Normal Braking Increased Pressure Normal Braking Strongest Feedback Emergency Operation Traction System Hydraulic Unit A7/3 Traction System Hydraulic Unit A7/3 Page Emergency Operation Circuit Brake Pressure Supply Three Pressure Stages Pressure Apply Rear Wheels Pressure Apply Front Wheels Pressure Apply All Wheels Pressure Hold All Wheels Pressure Reduction All Wheels Temperature Compensation Deactivation Deactivation Pressure at A7/3b2 System Activation System Activation Activation Left Front Activation Right Front Activation Right Rear Activation Left Rear Activation Recharge Proper system bleeding is critical Follow directions in SDS Bleeding the Brake SystemEquipment Required Connect equipment and follow steps in SDS Acronym List Appendix