Bleed brake system · ar4210s0010e · Mercedes-Benz WIS

AR42.10-S-0010E

Bleed brake system

20.05.2019

Model

447, 448

Modification notes

29.01.2019	Document reference, added	Step 5
29.01.2019	Document reference changed	Note module

1	Filling device
2	Brake fluid reservoir

S42.10-4571-06

 Caution	Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
Topical note	Notes on externally invisible brake fluid loss		AH42.10-P-9406-02A
Topical note	Notes on repairs to brake system		AH42.00-P-0003-01A
Topical note	Brake fluid notes		AH42.50-P-0001-01A
	Bleeding
1	Open hood and secure against falling down.
2	Attach filling unit (1) at brake fluid reservoir (2).
	000 588 01 82 00 Filling unit		WS25.00-P-0016B
		 Observe manufacturer's operating instructions.
3	Raise vehicle.		AR00.60-S-1000E
4	Bleed the system.		AR42.10-S-0010-02E
		 Bleed valve at front axle floating brake caliper	*BA42.10-N-1001-03B
		 Vent valve on rear axle floating caliper	*BA42.10-N-1001-12J
5	Bleed clutch operating system.	Model 447 with engine 274, 651, 654	AR25.20-S-0070E
		Model 447 with engine 622	AR25.20-S-0072EF
6	Detach filling unit (1) from brake fluid reservoir (2).	 Observe manufacturer's operating instructions.
	Check
7	Check fluid level in brake fluid reservoir (2), correct if necessary.
			AP42.50-S-4210E
 Warning	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
8	Check brake system for leaks.		AR42.10-S-0100-01E

 Front axle floating caliper

Number	Designation		Model 447, 448
BA42.10-N-1001-03B	Bleed valve at front axle floating brake caliper	Nm	14

 Rear axle brake caliper

Number	Designation		Model 447, 448
BA42.10-N-1001-12J	Vent valve on rear axle floating caliper	Nm	14

Referenced documents

ah4200p000301a Notes on repairs to brake system
ah4210p940602a Notes on externally invisible brake fluid loss
ah4250p000101a Brake fluid notes
ap4250s4210e Hydraulic brake system - check fluid level, correct if necessary
ar0060s1000e Lift/jack up vehicle
ar2520s0070e Bleed clutch operating system
ar2520s0072ef Bleed clutch actuation system
ar4210s001002e Carrying out bleeding operation
ar4210s010001e Check brake system for leaks
as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
as4250z000101a Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid
ws2500p0016b 000 588 01 82 00 Filling unit