Remove/install brake unit - AR43.10-P-0360GY

MODEL 463.202 /222 /237 /303 /306 /336 /340 /341 /346 

MODEL 463.236 except CODE (979) Special protection version 

Shows model 463.303 

Fig 1: Identifying Brake Unit Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Shown on model 463.303 

Fig 2: Identifying Brake Unit Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes.	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
	Risk of accident  when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work	Before starting engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system.	AS42.50-Z-0002-01A
	Brake fluid notes		AH42.50-P-0001-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
	Notes on externally invisible brake fluid loss		AH42.10-P-9406-02A
1	Turn key in ignition lock to position "0"
2	Unlock electrical connector (2) at expansion reservoir (5) and disconnect
	Clean
3	Clean surrounding area of brake line connections on master brake cylinder (7)	Before opening the brake system the area around the separation point should be cleaned thoroughly. Even the smallest particles of dirt, introduced into the hydraulic components, can lead to malfunctions and a total failure of the brake system. Only use clean, lint free rags and cleaner free of mineral oil. Do not use any compressed-air for cleaning when the brake system is open.
		Cleaner from package	*BR00.45-Z-1028-04A
4	Detach brake lines (6) from master brake cylinder (7)	Seal connections immediately with stop plugs to prevent large quantities of brake fluid from escaping. Collect escaping brake fluid using a suitable container.
			*BA42.10-P-1003-04B
			Fig 3
			Fig 4
			Fig 5
5	Remove clamp bolt (8) for jump-starting point ground line
6	Pull vacuum line (9) out of BAS brake booster (A7/7)	Reduce vacuum in the BAS brake booster (A7/7) by operating the service brake several times. Installation:  Check rubber grommet of vacuum line (9) for damage, replace if necessary.
7	Remove left cover under instrument panel (1)		AR68.10-P-1500GM
8	Remove stop lamp switch (S9/1)	To do so, turn brake light switch (S9/1) to left and pull out.
9	Pull out split pin (4) and mounting bolt (3)	Installation:  Check mounting bolt (3) damage and wear, replace if necessary. Installation:  install new split pin (4).
10	Unscrew nuts (13)		*BA43.10-P-1004-01B
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
11	Remove BAS brake booster (A7/7) with master brake cylinder (7)	Installation:  Check gasket for damage and proper seating, replace if necessary. Coat sealing surface with sealant.
		Universal sealant 205 ml	*BR00.45-Z-1004-01A
12	Install in the reverse order
13	Bleed brake system		AR42.10-P-0010GG
	Checking
14	Check brake system for leaks		AR42.10-P-0100-01A
15	Carry out brake test on the test stand		AP42.00-P-4290G
16	Check function of stop lamp switch (S9/1)

Fig 3: Identifying Box Wrench Bit (000 589 75 03 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Set Of Stop Plugs (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Torque Wrench (001 589 72 21 00)

Courtesy of MERCEDES-BENZ USA