Remove/install brake booster vacuum line - AR43.10-P-0355T

MODEL 211 with ENGINE 273 

with Adaptive Brake (ABR) 

Fig 1: Identifying Brake Booster Vacuum Line Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
1	Operate the brake pedal several times when the engine is switched off	In order to reduce the vacuum in the brake booster (1).
2	Remove wiper system		AR82.30-P-6400T
3	Fold mat (2) upward
4	Disconnect vacuum line (3a) from brake booster (1)
5	Release vacuum line (3a) and disconnect from vacuum line (3b)
6	Fold drain hose (4) of water collector upward
7	Unclip vacuum line (3a) from retaining clamp (arrow) and pull out from under heating valve
8	Replace rubber seal (1a) on brake booster (1)
9	Install in the reverse order