Remove/Install Brake Booster Vacuum Line - AR43.10-P-0355XG

Model 463 

as of model year 2019 

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

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Reduce vacuum in BAS brake booster (A7/7) by depressing brake pedal several times.
2	Open engine hood and raise to upright position.		AR88.40-P-1000XG
3	Pull vacuum line (1) together with check valve (2) out of seal (3) on BAS brake booster (A7/7).	: Check seal (3) for damage. If damage is present, ↓ replace seal (3).
4	On the underside of the bulkhead (6) release the connecting point and detach the further vacuum line from the elbow fitting (4).
5	Unclip cable duct (5) from bulkhead (6).
6	Unclip vacuum line (1) from holders together with the cable duct (5).	Do not kink the vacuum line (1). Otherwise, the vacuum line (1) will be damaged. Observe installation position.
7	Remove cable duct (5) from vacuum line (1).	When replacing the vacuum line (1).
8	Install in reverse order.
	Check
9	Perform brake test on test stand.		AP42.00-P-4290BA