Remove/install front engine mount and/or engine support - AR22.10-P-1260ELS

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ENGINE 276.8 in MODEL 212, 218 with TRANSMISSION 722.9

Fig 1: Front Engine Mount And Support Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
	Remove/install
1	Remove right and left air filter housing		AR09.10-P-1150ELS
2	Detach heat shield (1)	ENGINE 276.8 in MODEL 212 with TRANSMISSION 722.9 without CODE M005 (4MATIC) ENGINE 276.8 in MODEL 218 with TRANSMISSION 722.9 without CODE M005 (4MATIC)
2	Detach heat shield (1)	Bolt/nut for shield attachment	*BA09.40-P-1011-01W
3	Detach clamps (6) for exhaust pipe on ATL	ENGINE 276.8 in MODEL 212 with TRANSMISSION 722.9 without CODE M005 (4MATIC) ENGINE 276.8 in MODEL 218 with TRANSMISSION 722.9 without CODE M005 (4MATIC)
3	Detach clamps (6) for exhaust pipe on ATL	Bolt, pipe clamp to exhaust gas turbocharger	*BA49.10-P-1050-01AE
4	Remove engine compartment paneling		AR61.20-P-1105EW
5	Remove both catalytic converters (7)	ENGINE 276.8 in MODEL 212 with TRANSMISSION 722.9 without CODE M005 (4MATIC) ENGINE 276.8 in MODEL 218 with TRANSMISSION 722.9 without CODE M005 (4MATIC)
			AR49.10-P-7100EL
		Replace seals.
6	Remove exhaust gas ATL	ENGINE 276.8 in MODEL 212, 218 with TRANSMISSION 722.9 with CODE M005 (4MATIC)	AR09.40-P-6025ELS
7	Detach alternator and place to one side with the lines connected	ENGINE 276.8 in MODEL 212, 218 with TRANSMISSION 722.9 with CODE M005 (4MATIC)
8	Remove right oil return line	ENGINE 276.8 in MODEL 212, 218 with TRANSMISSION 722.9 with CODE M005 (4MATIC)
8	Remove right oil return line		AR18.30-P-6850ELS
9	Detach heat shield for engine mount on engine support (3)	Bolt/nut for shield attachment	*BA09.40-P-1011-01W
10	Mount engine hoist and raise engine until the engine mount (4) is relieved		AR33.10-P-0105EW
10		Engine lifting device	Fig 2
11	Remove screw/bolts (2) for engine support (3) on engine mounts (4)	Bolt, front engine mount to engine support	*BA22.10-P-1001-03E
11		Engine mount wrench set	Figure
12	Remove screw/bolts (5) for engine mounts (4) on front axle carrier	Bolt, front engine mount to front axle carrier	*BA22.10-P-1002-03E
13	Raise engine further	When lifting the engine no cable and lines should be put under tension. Otherwise they may be damaged.
14	Take out engine mount (4)	Exclusively replace engine mount (4) in pairs. Ensure that the correct installation position is obtained when assembling the engine mount (4). Observe environmental protection regulations for disposal of the engine mount (4). Dispose engine mounts (4) into mixed scrap.
15	Remove screw/bolt, front axle transmission to engine support (3)	Collar bolt, front axle gear to engine support	*BA33.30-P-1007-03G
16	Remove screw/bolt, A/C compressor to engine support (3)	Bolt, refrigerant compressor to timing case/crankcase/engine support	*BA83.55-P-1001-01M
17	Detach engine support (, 3) at crankcase and remove	Screw/bolt, engine support to crankcase	*BA22.10-P-1001-02A
18	Install in the reverse order

TURBOCHARGER

Number	Designation			ENGINE 276.8
BA09.40-P-1011-01W	Bolt/nut for shield attachment	M6	Nm	9

ENGINE SUPPORT (ENGINE SIDE)

Number	Designation			ENGINE 276
BA22.10-P-1001-02A	Screw/bolt, engine support to crankcase	Stage 1	Nm	20
BA22.10-P-1001-02A	Screw/bolt, engine support to crankcase	Stage 2	∠°	90

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation				MODEL 212	MODEL 218
BA22.10-P-1001-03E	Bolt, front engine mount to engine support	M10		Nm	50	50
		M12	Stage 1	Nm	85	85
		M12	Stage 2	∠°	90	90

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation			MODEL 212	MODEL 218
BA22.10-P-1002-03E	Bolt, front engine mount to front axle carrier	M8	Nm	28	28

FRONT AXLE GEAR

Number	Designation			MODEL 212	MODEL 218
BA33.30-P-1007-03G	Collar bolt, front axle gear to engine support	Stage 1	Nm	5	5
		Stage 2	Nm	50	50
		Stage 3	∠°	95	95

EXHAUST SYSTEM

Number	Designation		ENGINE 156, 157, 271, 272, 273, 276, 278 in MODEL 212	ENGINE 157, 276, 278 in MODEL 218
BA49.10-P-1050-01AE	Bolt, pipe clamp to exhaust gas turbocharger	Nm	15	15

REFRIGERANT COMPRESSOR

Number	Designation		ENGINE 276
BA83.55-P-1001-01M	Bolt, refrigerant compressor to timing case/crankcase/engine support	Nm	20

Fig 2: Identifying Engine Lifting Device (240 589 00 61 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Engine Mount Wrench Set (001 589 01 16 00)

Courtesy of MERCEDES-BENZ USA