(Remove/Install Front Engine Mount - AR22.10-P-4330OIB)

Engine 656 in model 213, 238, 257

The left active engine mount (Y123) and the right active engine mount (Y123/1) are shown

Courtesy of MERCEDES-BENZ USA

Warning	Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
Caution	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
Warning	Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of mechanical components when moving components.	AS00.00-Z-0009-01A
	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
	Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
	Remove/install
1	Deactivate easy entry and exit feature for steering wheel.
2	Turn rack-and-pinion steering to center position (front wheels in straight-ahead position) and fix steering wheel in place with holding device.	Do not twist steering wheel when the steering coupling was removed. Non-observance will result in damage to clock spring contact.
		Retainer device	Fig 11
3	Remove air filter housing.		AR09.10-P-1150OIB
4	Remove engine air intake duct downstream of air filter.		AR09.10-P-8130OIB
5	Remove the coolant expansion reservoir.		AR20.30-P-4949OIB
6	Attach engine support fixture and raise engine slightly.		AR01.10-P-2400-18OIB
		Screw/bolt, upper struts to suspension strut tower mounting bracket	*BA62.30-P-1001-02K
		Engine hoist	Fig 4
		Adapter	Fig 6
		Adapter set	Fig 2
		Adaptation of engine lifting device	Fig 1
		Adapter kit	Fig 9
		Mount	Fig 7
		Adaptation plates	Fig 8
		Engine lifting device	Fig 5
7	Release and disconnect electrical connectors (3) and expose electric lines.	To remove the left active engine mount (Y123) and the right active engine mount (Y123/1).
8	Remove front axle shafts.	Engine 656 in model 257 with transmission 725.0 with code M005 (4MATIC)	AR33.30-P-0620OIB
		Engine 656 in model 213, 238 with code M005 (4MATIC)	AR33.30-P-0620LW
9	Remove steering coupling from steering shaft.	Engine 656 in model 213 with code 700 (Technology Local Content China)	AR46.10-P-8000-01LWA
		Engine 656 in model 213 except code 700 (Technology Local Content China)	AR46.10-P-8000-01LW
		Engine 656 in model 238 Engine 656 in model 257	AR46.10-P-8000-01FR
		Engine mount wrench set	Fig 3
10	Lower rack-and-pinion steering.	For removal of the right active engine mount (Y123/1).
		Engine 656 in model 257	AR46.20-P-0600FR
		Engine 656 in model 213	AR46.20-P-0600LW
		Engine 656 in model 238	AR46.20-P-0600LWO
11.1	Remove center exhaust system.	For removal of the right active engine mount (Y123/1).
		Engine 656 in model 213, 257	AR49.10-P-7283OIB
11.2	Remove front exhaust system	For removal of the right active engine mount (Y123/1).
		Engine 656 in model 238	AR49.10-P-7284OIB
12	Remove screws/bolts (1).	Engine 656 in model 213, 257Bolt, front engine mount to front axle carrier	*BA22.10-P-1002-03N
		Engine 656 in model 238 except code M005 (4MATIC) Engine 656 in model 238 with code M005 (4MATIC) Bolt, front engine mount to front axle carrier	*BA22.10-P-1002-03O
		Engine mount wrench set	Fig 3
13	Remove screws/bolts (2).	Engine 656 in model 213, 257Bolt, front engine mount to engine support	*BA22.10-P-1001-03N
		Engine 656 in model 238 except code M005 (4MATIC) Engine 656 in model 238 with code M005 (4MATIC) Bolt, front engine mount to engine support	*BA22.10-P-1001-03O
		Engine mount wrench set	Fig 3
		Box wrench bit	Fig 10
14	Lift engine with engine support fixture.	Raise engine carefully. Damage may otherwise occur to lines and hoses.
		Engine lifting device	Fig 5
15	Remove left and right engine mount	Observe environmental protection regulations for the disposal of the left and right engine mount. Dispose of left and right engine mount into mixed scrap. Always replace the left and right engine mount in pairs.
16	Install in the reverse order.

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation				Model 213 with engine 256, 264, 274, 276, 642, 654, 656	Model 257
BA22.10-P-1001-03N	Bolt, front engine mount to engine support	M10	Stage 1	Nm	50	50
BA22.10-P-1001-03N	Bolt, front engine mount to engine support	M10	Stage 2	∠°	-	-