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

ENGINE 276.8 in MODEL 166, 251 

Fig 1: Identifying Front Engine Mount/Engine Support Remove/Install Components - Shown On Model 166.0

Courtesy of MERCEDES-BENZ USA

Shown on model 166.0 

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
	Remove/install
1	Detach ground line from battery		AR54.10-P-0003GZ
	Notes on battery		AH54.10-P-0001-01A
		For removal of the right-hand engine mount (2).
2	Remove left and right air filter housing		AR09.10-P-1150GQC
3	Remove windshield wiper system	ENGINE 276.8 in MODEL 251
			AR82.30-P-6400RT
4	Remove section of the left, center and right partition wall
5	Remove catalytic converter on the left and right		AR49.10-P-5500GQC
6	Mount engine hoist and raise engine slightly	ENGINE 276.8 in MODEL 166	AR33.10-P-0105EW
		ENGINE 276.8 in MODEL 251 Only raise engine sufficiently that the engine mounts (2, 8) are not under tension.	AR33.10-P-0100-01RT
		ENGINE 276.8 in MODEL 251	*BA62.30-P-1008-01E
		Engine lifting device	Figure
		Adaptation of engine lifting device	Fig 3
7	Remove corresponding underfloor paneling	ENGINE 276.8 in MODEL 166	AR61.30-P-1001GQ
		ENGINE 276.8 in MODEL 251	AR61.30-P-1001RT
8	Remove heat shield (7a) over engine mount (8) at engine support	For removing the left-hand engine mount (8)
		Bolt, heat shield to engine support	*BA22.10-P-1003-02A
9	Remove heat shield (4a) over engine mount (2) at engine support	For removing the right-hand engine mount (2)
		Bolt, heat shield to engine support	*BA22.10-P-1003-02A
10	Detach heat shield (1) over starter	Bolt/nut for shield attachment	*BA09.40-P-1011-01W
11	Remove screw/bolts (5) for engine mount (2, 8) on front axle carrier	ENGINE 276.8 in MODEL 166	*BA22.10-P-1001-03G
		ENGINE 276.8 in MODEL 251	*BA22.10-P-1001-03F
12	Remove screw/bolts (6) for engine support at engine mounts (2, 8)	ENGINE 276.8 in MODEL 166	*BA22.10-P-1002-03G
		ENGINE 276.8 in MODEL 251	*BA22.10-P-1002-03F
13	Lift engine	Pay attention when lifting out engine that no cables and lines are damaged and that engine does not lean against the bulkhead.
14	Remove engine mounts (2, 8) to the rear	Always replace engine mounts (2, 8) in pairs. Ensure that the correct installation position is obtained when assembling the engine mounts (2, 8). Pay attention to environmental protection regulations for disposal of engine mounts (2, 8). Dispose of engine mounts (2, 8) into mixed scrap.
15	Remove screw/bolt from A/C compressor at engine support	For removal of the left engine support
		Bolt, refrigerant compressor to timing case/crankcase/engine support	*BA83.55-P-1001-01M
16	Detach and remove engine support on cylinder crankcase	Replace screw/bolts for engine support at crankcase.
		Bolt, engine support to crankcase	*BA22.10-P-1001-02A
17	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	Bolt, engine support to crankcase	Stage 1	Nm	20
		Stage 2	∠°	90

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		MODEL 251
BA22.10-P-1001-03F	Bolt, front engine mount to front axle carrier	Nm	53

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		MODEL 166 with ENGINE 276, 642, 651
BA22.10-P-1001-03G	Bolt, front engine mount to front axle carrier	Nm	53

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		MODEL 251
BA22.10-P-1002-03F	Bolt, front engine mount to engine support	Nm	53

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation			MODEL 166 with ENGINE 276, 642, 651
BA22.10-P-1002-03G	Bolt, front engine mount to engine support	Stage 1	Nm	53
		Stage 2	∠°	-

ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		ENGINE 276
BA22.10-P-1003-02A	Bolt, heat shield to engine support	Nm	13

CROSSMEMBER AND FRONT REINFORCEMENT

Number	Designation		MODEL 251
BA62.30-P-1008-01E	Bolt, partition wall reinforcement between wheel well liners to fender	Nm	10

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 Adaptation Of Engine Lifting Device (642 589 00 61 00)

Courtesy of MERCEDES-BENZ USA