Remove/Install Front Cover On Left Cylinder Head - AR01.30-P-5711MNA

Engine 176 in model 463 

up to model year 2019 

Engine 177 in model 205 

Engine 178 in model 190 (except 190.381) 

Shown on ENGINE 177 

Fig 1: Front Cover On Left Cylinder Head Components Location - Engine 176 In Model 463 Up To Model Year 2019 (Shown On Engine 177)

Courtesy of MERCEDES-BENZ USA

	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
	Notes on threaded connections with aluminum screws/bolts		AH00.00-P-0006-01RM
	Remove
1	Remove left oil separator	Engine 178 in model 190 (except 190.381)	AR01.20-P-9750MNB
		Engine 176 in model 463 up to model year 2019 Engine 177 in model 205	AR01.20-P-9750MNA
2	Release and disconnect electrical connections on left exhaust camshaft solenoid and left intake camshaft solenoid	Engine 176 in model 463 up to model year 2019
3	Remove screw/bolts (2)
4	Carefully loosen left front cover (1) at prying lugs and detach to the front	To loosen do drive in any tooling between the left front cover (1) and left cylinder head cover or left cylinder head. The sealing surface will be damaged otherwise.
5	Remove left exhaust camshaft solenoid and left intake camshaft solenoid	Only when replacing left front cover (1).
			AR05.20-P-7295MNA
	Clean
6	Clean sealing surfaces on cylinder head, left cylinder head cover and left front cover (1)		AR01.00-P-0050-01A
		Do not use any sharp-edged tools or abrasive paper. The sealing surfaces can be damaged otherwise.
		Loctite 7200	*BR00.45-Z-1038-04A
		Loctite 7063 (400 ml) cleaning spray	*BR00.45-Z-1046-04A
	Install
7	Install left exhaust camshaft solenoid and left intake camshaft solenoid	Only when replacing left front cover (1).
			AR05.20-P-7295MNA
8	Apply sealant to left front cover (1)
	Notes on sealant path for front cover to cylinder head xxx		AH01.30-P-1000-02MM
		Sealant, Loctite 5970, 50 ml	*BR00.45-Z-1013-01A
		Application gun	Fig 2
9	Attach left front cover (1) on left cylinder head and left cylinder head cover and tighten screw/bolts (2)	Replace screw/bolts (2).
		Bolt, chain case cover to cylinder head	*BA01.30-P-1002-01N
10	Put on and lock electrical connections on left exhaust camshaft solenoid and left intake camshaft solenoid	Engine 176 in model 463 up to model year 2019
			AR05.20-P-7295MNA
11	Install left oil separator	Engine 178 in model 190 (except 190.381)	AR01.20-P-9750MNB
		Engine 176 in model 463 up to model year 2019 Engine 177 in model 205	AR01.20-P-9750MNA
	Check
12.1	Check engine oil level with OBC and correct if necessary	Engine 176 in model 463 up to model year 2019
			AP18.00-P-0101GE
12.2	Check engine oil level with the vehicle's own oil dipstick and correct if necessary	Engine 177 in model 205 Engine 178 in model 190 (except 190.381)
			AP18.00-P-1811MP
	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
13	Carry out engine test run and check engine for leaktightness while it is running

Fig 2: Identifying Application Gun (112 589 00 25 00)

Courtesy of MERCEDES-BENZ USA