Remove/install brake booster - AR43.10-P-0350GG

MODEL 460, 461 

MODEL 463 except CODE (979) Special protection version 

Fig 1: Identifying Brake Booster Remove/Install Components

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
	Notes on repairs to brake system		AH42.00-P-0003-01A
	Notes on externally invisible brake fluid loss		AH42.10-P-9406-02A
	Brake fluid notes		AH42.50-P-0001-01A
1	Reduce vacuum in the brake booster (16) by operating the service brake several times.
2	Remove stepped tandem master brake cylinder (1)	Check tandem master brake cylinder (1) for leaks at rear piston.	AR42.10-P-0310GG
3	Disconnect vacuum line (8) from brake booster (16)
4	Remove cover above pedal assembly	Model 463
5	Pull off retainer (26a) and pull out pin (26)	Installation:  Install new retainer (26a).
	Checking
6	Check pin (26) for signs of wear and damage, replace if necessary
7	Unscrew nuts (23) from carrier (22)		*BA43.10-P-1002-01B
8	Detach throttle control system	Vehicles with electronic accelerator except model 461.305 /333 /340 /343 Unscrew nuts from carrier (22) and place control system to the side with lines and cables connected.
9	Remove brake booster (16)	Do not damage carrier (22) of brake booster (16). Installation:  Check gasket (21) for damage and proper seating, and replace if necessary.
		Sealant	*BR00.45-Z-1004-01A
10	Install in the reverse order