Oil line removal and installation - AR18.30-P-6850LFB

ENGINE 157, 278 in MODEL 217, 222

Illustrated on right ATL

Fig 1: Oil Line Remove/Install Components - Illustrated On Right ATL

Courtesy of MERCEDES-BENZ USA

Shown on left ATL

Fig 2: Oil Line Remove/Install Components - Shown On Left ATL

Courtesy of MERCEDES-BENZ USA

	Remove upper oil lines on the left or right (1l or 1r)
1	Remove air filter housing		AR09.10-P-1150LFB
2	Remove soundproofing on rail on the right or left
3	Remove left or right Hall sensor for exhaust camshaft		AR15.10-P-2000LFB
4	Unfasten ABC hydraulic fluid reservoir and place to one side	Engine 157, 278 in model 217, 222 with code 487 (Active Body Control (ABC)) When removing the upper oil line on the left (1l)	AR32.50-P-0022LF
5	Remove screw/bolt (3 or 5) on cylinder head cover and pull oil line (1l or 1r) out of the cylinder head cover	Replace sealing ring for the oil line (1l or 1r). Seal openings with stop plugs. Bolt, oil line to exhaust gas turbocharger/cylinder head	*BA09.40-P-1003-01R
		Record plug	Figure
6	Remove screw/bolt (3 or 5) on ATL, pull oil line (1l or 1r) out of the ATL and remove upwards	Replace sealing ring for the oil line (1l or 1r). Seal openings with stop plugs. Bolt, oil line to exhaust gas turbocharger/cylinder head	*BA09.40-P-1003-01R
		Record plug	Figure
7	Install in the reverse order
	Remove lower oil lines on the left or right (2l or 2r)
8	Drain engine oil and catch in a suitable container
		Engine 157 in model 217, 222	AP18.00-P-0101EWG
		Engine 278 in model 217, 222	AP18.00-P-0101EW
9.1	Remove alternator	When removing the oil line on the right (2r)	AR15.40-P-5032LF
9.2	Detach refrigerant compressor and lay with in engine compartment at the front with lines connected	When removing the oil line on the left (2l) Screw/bolt, refrigerant compressor to timing case/crankcase/engine support	*BA83.55-P-1001-01M
11	Remove screw/bolts for the heat shield on oil line (2r or 2l)	Bolt, heat shield to exhaust gas turbocharger/cylinder head	*BA09.40-P-1007-01R
12	Remove screw/bolts (4 or 6) on ATL and remove oil line (2r or 2l) from ATL	Replace seal. Seal openings with stop plugs. Bolt, oil return line to turbocharger/oil pan	*BA09.40-P-1004-01R
		Record plug	Figure
13	Remove screw/bolts (4 or 6) on oil pan and remove oil line (2r or 2l) downwards	Seal openings with stop plugs.
14	Install in the reverse order

TURBOCHARGER

Number	Designation		Engine 157	Engine 278
BA09.40-P-1003-01R	Bolt, oil line to exhaust gas turbocharger/cylinder head	Nm	9	9

TURBOCHARGER

Number	Designation		Engine 157	Engine 278
BA09.40-P-1004-01R	Bolt, oil return line to turbocharger/oil pan	Nm	9	9

TURBOCHARGER

Number	Designation		Engine 157	Engine 278
BA09.40-P-1007-01R	Bolt, heat shield to exhaust gas turbocharger/cylinder head	Nm	9	9

REFRIGERANT COMPRESSOR

Number	Designation		Engine 157	Engine 278
BA83.55-P-1001-01M	Screw/bolt, refrigerant compressor to timing case/crankcase/engine support	Nm	20	20

Fig 3: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA