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

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ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96)

ENGINE 276.9 in MODEL 212.095/195 with TRANSMISSION 724

ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9

ENGINE 276.9 in MODEL 218 with TRANSMISSION 725

Shown on engine 276 in model 212 except 212.095/195, 218

Fig 1: Front Engine Mount And Support Remove/Install Components - Shown On Engine 276 In Model 212

Courtesy of MERCEDES-BENZ USA

	Note on the -voltage on-board electrical system		AH54.00-P-0010-01A
	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
	Remove/install
1	Perform disable for the high voltage on-board electrical system	ENGINE 276 in MODEL 212.095/195	AR54.10-P-1150EH
2	Remove front engine cover (1)	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 725 without CODE ME04 (Mild hybrid drive)
3	Disconnect ground line at battery	When removing the right engine support (8).
3	Disconnect ground line at battery	When removing the right engine support (8).	AR54.10-P-0003EW
4	Remove air filter housing (2) with engine air intake duct upstream of air filter	When removing right-hand engine mount (7).
		Bolt, air filter to cylinder head cover	*BA09.10-P-1001-01M
		Bolt, air filter to air intake pipe support brace	*BA09.10-P-1002-01M
5.1	Unclip ME-SFI [ME] control unit (N3/10) and place to one side with connected lines	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 725 without CODE ME04 (Mild hybrid drive) When removing left-hand engine mount (7).
5.1			AR07.08-P-7008EL
5.2	Remove ME-SFI [ME] control unit (N3/10) with bracket	ENGINE 276.9 in MODEL 212.095/195
5.2	Remove ME-SFI [ME] control unit (N3/10) with bracket	ENGINE 276.9 in MODEL 212.095/195	AR07.08-P-7008EL
6	Remove screw/bolts (4) and remove heat shield (3)	Bolt, heat shield to engine support	*BA22.10-P-1003-02A
7	Mount engine hoist and raise engine slightly		AR33.10-P-0105EW
		Only lift up the engine until the front engine mount (7) is relieved of load.
8	Remove screw/bolts (5) for engine support (8) on engine mounts (7)	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive)	*BA22.10-P-1001-03E
8		Engine mount wrench set	Figure
9	Secure cooler with tensioning strap against falling down
10	Remove bottom engine compartment paneling		AR61.20-P-1105EW
11.1	Raise engine	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 725 without CODE ME04 (Mild hybrid drive) When lifting the engine no cable and lines should be put under tension. Otherwise they may be damaged.
11.2	Lower front axle carrier	ENGINE 276 in MODEL 212.095/195
			AR33.10-P-0001EW
		Do not remove front axle carrier on cross and strut rods.
12	Unscrew screw/bolts (6) for engine mounts (7) on front axle carrier	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 725 without CODE ME04 (Mild hybrid drive)
12		ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive)	*BA22.10-P-1002-03E
13	Unclip electrical connection on A/C compressor (A9) and place to one side	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 725 without CODE ME04 (Mild hybrid drive)
14	Take out engine mount (7)	Ensure that the correct installation position is obtained when assembling the engine mount (7). Pay attention to environmental protection regulations for disposal of engine mounts (7). Dispose engine mounts (7) into mixed scrap. Exclusively replace engine mount (7) in pairs.
15	Remove poly-V belt	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 725 without CODE ME04 (Mild hybrid drive)
15	Remove poly-V belt		AR13.20-P-0001EL
16	Detach refrigerant compressor (A9) and lay down to side with connected lines	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 725 without CODE ME04 (Mild hybrid drive) When removing the left engine support (8). Bolt, refrigerant compressor to timing case/crankcase/engine support
16			*BA83.55-P-1001-01M
17	Remove alternator	ENGINE 276.9 in MODEL 212 (except 212.067/080/088/267/280/288) with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 212 with TRANSMISSION 724 without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 722.9 (except 722.96) without CODE ME04 (Mild hybrid drive) ENGINE 276.9 in MODEL 218 with TRANSMISSION 725 without CODE ME04 (Mild hybrid drive) When removing the right engine support (8).
17	Remove alternator		AR15.40-P-5032EL
18	Remove screw/bolt from starter heat shield (3) on engine support (8)	When removing the right engine support (8).
19	Remove screw/bolts (9) and take out engine support (8)	Bolt, engine support to crankcase	*BA22.10-P-1001-02A
20	Install in the reverse order

AIR FILTER

Number	Designation		ENGINE 276.9
BA09.10-P-1001-01M	Bolt, air filter to cylinder head cover	Nm	9

AIR FILTER

Number	Designation		ENGINE 276.9
BA09.10-P-1002-01M	Bolt, air filter to air intake pipe support brace	Nm	9

ENGINE SUPPORT (ENGINE SIDE)

Number	Designation			ENGINE 276
BA22.10-P-1001-02A	Bolt, engine support to crankcase	Stage 1	Nm	20
BA22.10-P-1001-02A	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

ENGINE SUPPORT (ENGINE SIDE)

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

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 Mount Wrench Set (001 589 01 16 00)

Courtesy of MERCEDES-BENZ USA