Remove/install front engine mounts and/or engine support - AR22.10-P-1260MLZ

ENGINES 157 in MODEL 166 

Fig 1: Identifying Front Engine Mount/Engine Support Remove/Install Components - Shown On Model 166

Courtesy of MERCEDES-BENZ USA

Shown on model 166 

	Remove/install
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
		General note: Always  replace engine mount in pairs.
1	Remove engine with the front axle carrier (3)	When removing the engine support (8) on the right and left.	AR01.10-P-2500MLJ
2	Remove engine trim panel
3	Remove engine air intake duct upstream of air filter housing
4	Mount engine hoist and raise engine slightly	Only raise engine sufficiently that the engine mount (5) is not under tension.	AR33.10-P-0105EW
5	Raise vehicle
6	Remove bottom engine compartment paneling	MODEL 166.0	AR61.30-P-1001GQ
7	Remove catalytic converter on the right and left	The oxygen sensors remain in the catalytic converter.	AR49.10-P-5500MLJ
8	Remove integral carrier heat shield
9	Unfasten heat shield over the exhaust manifold
10	Remove exhaust pipe		AR09.40-P-6025MLJ
11	Remove engine mount heat shield
12	Remove screw/bolts (2) for engine mount (5) on engine support (8)		*BA22.10-P-1002-03G
13	Remove screw/bolts (4) for engine mount (5) on front axle carrier (3)		*BA22.10-P-1001-03G
14	Remove heat shield (6) on engine support (8)		*BA22.10-P-1003-02A
15	Raise engine	Ensure that engine does not touch the partition wall. Cable and lines may be damaged otherwise.
16	Remove engine mount (5) to the rear	The engine mount (5) must sit in the cutouts on the engine support (8). Pay attention to environmental protection regulations for disposal of engine mounts (5). Dispose of engine mounts (5) into mixed scrap.
	Left engine support (8)
17	Remove screw/bolts for engine support (8) on cylinder crankcase		*BA22.10-P-1001-02A
			Figure
18	Remove engine crossmember (8) to the rear
	Right engine support (8)
19	Remove alternator		AR15.40-P-5032MLJ
20	Remove starter screen screw/bolt on engine support (8)		*BA22.10-P-1003-02A
21	Remove screw/bolts for engine support (8) on cylinder crankcase		*BA22.10-P-1001-02A
			Figure
22	Remove engine crossmember (8) to the rear
23	Install in the reverse order

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation			Model 166 with engine 157, 278
BA22.10-P-1001-03G	Screw/bolt, front engine mount to front axle carrier		Nm	53
BA22.10-P-1002-03G	Screw/bolt connecting front engine mount to engine support	Stage 1	Nm	85
		Stage 2	∠°	90

ENGINE SUPPORT (ENGINE SIDE)

Number	Designation			Engine 157
BA22.10-P-1001-02A	Screw/bolt, engine support to cylinder crankcase	Stage 1	Nm	20
		Stage 2	∠°	90
BA22.10-P-1003-02A	Screw/bolt, shield to engine support		Nm	9

Fig 2: Identifying Flexible Head Wrench Set (001 589 81 09 00)

Courtesy of MERCEDES-BENZ USA