Remove/Install Vacuum Pump - AR43.05-P-1320LWD

Model 205 with engine 177 

Model 463 with engine 176 up to model year 2019 

Fig 1: Vacuum Pump Component Location - Model 205 W/ Engine 177

Courtesy of MERCEDES-BENZ USA

Shown on model 205 with engine 177 

Courtesy of MERCEDES-BENZ USA

	Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove heat shield of left and right catalytic converter		AR09.40-P-6027MNA
2	Remove upper bracket of right catalytic converter		AR09.40-P-6027MNA
3	Detach right catalytic converter from right exhaust gas turbocharger and place to one side		AR09.40-P-6027MNA
4	Remove right oxygen sensor downstream of catalytic converter	Model 463 with engine 176 up to model year 2019	AR07.04-P-0021MNF
		Model 205 with engine 177	AR07.04-P-0021MNA
5	Seal bolt hole of oxygen sensor using duct tape
6	Pull bracket (1) with electrical connections (2) upwards	Model 205 with engine 177
7	Separate electrical connectors (2)	Model 205 with engine 177
8	Remove vacuum line (3)
9	Detach vacuum line (4) from vacuum pump (5)
10	Unclip electrical lines from right crash plate of right high pressure fuel pump	Model 463 with engine 176 up to model year 2019
11	Remove bolts (7) from heat panel (6)
12	Remove heat panel (6)
13	Detach vacuum hose (8) from vacuum pump (5)
14	Remove screw/bolts (9)	Model 463 with engine 176 up to model year 2019Bolt, vacuum pump to cylinder head	*BA43.05-P-1002-01B
		Model 205 with engine 177Bolt, vacuum pump to cylinder head	*BA43.05-P-1001-01O
15	Remove vacuum pump (5)	Note installation position of drive plate (11).
16	Remove seal (10) from vacuum pump (5)	Install new seal (10).
17	Install in the reverse order