Replace brake fluid - AP42.00-P-4280MCC

MODEL 451.3/4 

Fig 1: Identifying Brake Fluid Reservoir, Brake Caliper And Wheel Brake Cylinder

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Replace
	Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake	Only pour brake fluid into suitable and appropriately marked containers. Wear fluid coming into contact with skin and eyes. protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
	Brake fluid notes		AH42.50-P-0001-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
1	Remove maintenance flap
2	Unscrew cap of brake fluid reservoir (1)
3	Connect brake fluid changer to brake fluid reservoir (1) and apply the specified pressure to the brake system	Observe the operator's manual for the brake fluid changer. Brake fluid change unit http://gotis.aftersales.mercedes-benz.com
	General brake fluid	Sheet 330.1	BB00.40-P-0330-01A
	Brake fluids (DOT 4 plus)	Sheet 331.0	BB00.40-P-0331-00A
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
4	Raise vehicle with vehicle lift	Position the front support plates of the vehicle lift as far as possible upwards, position the rear support plates as far as possible downwards and secure the vehicle to prevent it from slipping or toppling.
5	Remove dust caps from the brake bleeder valves
6	Connect hose of brake fluid receptacle to brake bleeder valve of the wheel brake cylinder (3) and open brake bleeder valve	Close the brake bleeder valve only after the brake fluid escapes free of bubbles and without contamination (bright color of brake fluid).
			*BA42.10-P-1001-08C
7	Carry out the bleeding process on the left wheel brake cylinder (3), right brake caliper (2) and left brake caliper (2) in the same manner	Observe correct sequence.
			*BA42.10-P-1001-08C
			*BA42.10-P-1002-10A
8	Check brake pedal travel	The brake system must be bled manually in the event of a soft pedal feel or long pedal travel. Refer to: ↓
		Bleed brake system manually	AR42.10-P-0010-04SM
9	Press dust cap onto brake bleeder valve
10	Lower vehicle with vehicle lift
11	Disconnect brake fluid changer
12	Check brake fluid level and correct if necessary		AP42.10-P-4210MCC
13	Screw on cap of brake fluid reservoir (1)
14	Install maintenance flap
15	Check leaktightness of brake system
	Check brake system for leaks		AR42.10-P-0100-01MCC

BRAKE CYLINDER

Number	Designation		Model 451.3/4
BA42.10-P-1001-08C	Brake bleed valve to rear axle wheel brake cylinder	Nm	7

FRONT AXLE FLOATING CALIPER

Number	Designation		Model 451.3/4
BA42.10-P-1002-10A	Brake bleeder valve to brake caliper	Nm	7