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

MODEL 460, 461 (except 461.392) 

MODEL 463 up to model year 2013 without CODE 979 (Special protection version) 

Fig 1: Brake Booster Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
	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)	Model 460, 461, 463	AR42.10-P-0310GG
		Check tandem master brake cylinder (1) for leaks at rear piston.
3	Detach 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)	Install a new retainer (26a).
	Check
6	Check pin (26) for wear and damage, replace if necessary
7	Unscrew nuts (23) from carrier (22)	Nut, brake booster to carrier	*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). Check the seal (21) for damage and correct seating; replace if necessary.
		Universal sealant 205 ml	*BR00.45-Z-1004-01A
10	Install in the reverse order