Remove/Install Brake Vacuum Sensor - AR42.31-P-6003XG

Model 463 

as of model year 2019 

Fig 1: Brake Vacuum Sensor Components Location - Model 463 As Of Model Year 2019

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Switch off ignition and store transmitter key outside of transmitter range (at least 2 m).
2	Operate brake pedal several times.	In order to reduce the vacuum present in the BAS brake booster (A7/7).
3	Open hood.	Close the hood only after check.	AR88.40-P-1000XG
4	Release and disconnect electrical connector (1) at brake vacuum sensor (B150).
5	Remove brake vacuum sensor (B150) from BAS brake booster (A7/7).	Ensure that the seal plug (2) and the brake vacuum sensor (B150) are seated correctly.
	Check
6	Check seal plug (2) for condition and wear.	If wear or damage is present. ↓ Replace seal plug (2).
7	Install in reverse order.
	Check
8	Start engine and depress brake pedal several times.
9	Switch off engine.
10	Check leak tightness of the brake vacuum sensor (B150).	Air flow noises must not be audible at the BAS brake booster (A7/7).