Remove/Install Left Turbocharger - AR09.40-P-6026XGC

Engine 177 in model 463

as of model year 2019

MODIFICATION NOTES

11.08.2020	Remove vacuum lines (2).	Operation step 4.
11.08.2020	Install vacuum lines (2).	Operation step 32.
26.08.2020	Remove clamp (7).	Operation step 13.
22.09.2020	Position clamp (7) between exhaust gas turbocharger and exhaust manifold and align.	Operation step 20.

Courtesy of MERCEDES-BENZ USA

	Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.	Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
	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
	Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it.Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.	AS49.00-Z-0001-01A
	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove
1	Drain off coolant.		AR20.00-P-1142XGC
2	Remove left and right air filter housing.	Right air filter housing	AR09.10-P-1152XGC
		Left air filter housing	AR09.10-P-1151XGC
3	Remove catalytic converters and secure against falling down.	Right catalytic converter	AR49.20-P-0102XGC
		Left catalytic converter	AR49.20-P-0101XGC
4	Remove vacuum lines (2).
5	Remove boot (3) from left exhaust gas turbocharger (1).
6	Remove charge air hose of charge air cooler from left exhaust gas turbocharger (1).
7	Remove oil feed line (4).		AR09.40-P-6040XGC
8	Remove coolant circuit return line.		AR20.20-P-1101XGC
9	Remove coolant feed pipe (5) from right exhaust gas turbocharger (6).
10	Remove coolant feed pipe (5) from cylinder head.
11	Open clamp (7).
12	Remove left exhaust gas turbocharger (1) with coolant feed pipe (5) and oil circuit return line.
13	Remove clamp (7).
14	Remove coolant feed pipe (5) from left exhaust gas turbocharger (1).	Only when replacing the left ATL (1).	AR20.20-P-1100XGC
15	Remove oil circuit return line of left exhaust gas turbocharger (1).		AR09.40-P-6041XGC
16	Remove vent hose (8).	Only when replacing the left ATL (1). Hose clamp pliers	Fig 2
	Install
17	Install vent hose (8).	Only when replacing the left ATL (1). Hose clamp pliers	Fig 2
18	Replace oil circuit return line.		AR09.40-P-6041XGC
19	Attach coolant feed pipe (5) to left exhaust gas turbocharger (1).	Only when replacing the left ATL (1).	AR20.20-P-1100XGC
20	Position clamp (7) between exhaust gas turbocharger and exhaust manifold and align.	Replace clamp (7).	AR09.40-P-6017-01MNE
21	Install assembly tool on left exhaust gas turbocharger (1) and on oil return feed line and tighten screw.	Assembly tool	Fig 3
22	Install left exhaust gas turbocharger (1) with coolant feed pipe (5) and oil circuit return line.	Replace sealing ring on left exhaust manifold. Assembly tool	Fig 3
23	Attach template to left exhaust gas turbocharger (1) and right exhaust gas turbocharger (6) and secure with screws against falling down.	Both frontal areas of the compressor wheel housing must run parallel to the template. Template	Fig 1
24	Tighten clamp (7).	Bolt, turbocharger clamp to exhaust manifold	*BA09.40-P-1001-01ZA
25	Remove template bolts and remove from left exhaust gas turbocharger (1) and right exhaust gas turbocharger (6).	Template	Fig 1
26	Remove assembly tool from left exhaust gas turbocharger (1) and oil circuit return line.	Assembly tool	Fig 3
27	Attach coolant feed pipe (5) to cylinder head.		AR20.20-P-1100XGC
28	Attach coolant feed pipe (5) to right exhaust gas turbocharger (6).		AR20.20-P-1100XGC
29	Install coolant circuit return line.		AR20.20-P-1101XGC
30	Install oil feed line (4).		AR09.40-P-6040XGC
31	Attach charge air hose of the charge air cooler to the left exhaust gas turbocharger (1).	Bolt, clamp for charge air hose to charge-air distributor	*BA09.41-P-1002-01X
32	Install boot (3) on left exhaust gas turbocharger (1).	Clamp, boot to exhaust gas turbocharger/air filter	*BA01.20-P-1003-01J
33	Install vacuum lines (2).	Replace vacuum lines (2).
34	Attach catalytic converters.	Right catalytic converter	AR49.20-P-0102XGC
		Left catalytic converter Only install lower engine compartment lining after leak test.	AR49.20-P-0101XGC
35	Install left and right air filter housing.	Right air filter housing	AR09.10-P-1152XGC
		Left air filter housing Do not install upper engine cover until after the leak test.	AR09.10-P-1151XGC
36	Fill in coolant.		AR20.00-P-1142XGC
37	Check oil level of engine and correct.		AP18.00-P-1812DKI
	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
38	Perform engine test run and check engine for leak tightness.
39	Install lower engine compartment lining.		AR61.20-P-1105XG
40	Install upper engine cover.		AR01.10-P-2405XGC