Remove/install engine mount or engine crossmember at the rear - AR22.10-P-1180GZD (ML350, ML550, GL450, GL550)

ENGINE 272, 273, 629, 642 in MODEL 164 

ENGINE 272, 273, 642 in MODEL 251 

Fig 1: Identifying Rear Engine Mount Or Engine Crossmember Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

MODIFICATION NOTES

7.11.06

Bolt, rear engine crossmember to body

Engine 273 in model 164.8

*BA22.10-P-1005-03G

	Remove/install
	Risk of death  caused by vehicle slipping or toppling off 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
	Perform steps 1 to 4 when removing the rear engine mount (9)
1	Remove bolts (5)	Model 164	*BA22.10-P-1004-03G
		Model 251	*BA22.10-P-1004-03F
2	Remove bolts (9s) and take off rear engine mount (9)	Model 164	*BA22.10-P-1003-03G
		Model 251	*BA22.10-P-1003-03F
3	Support transmission (15) with transmission jack and plate
4	Lower transmission (15) with transmission jack somewhat and remove rear engine mount (9)
	Perform steps 5 to 8 when removing the rear engine crossmember (8)
5	Remove bolts (1) and cross strut (6)		*BA62.30-P-1003-01E
			*BA62.30-P-1004-01E
6	Remove bolt (2)		*BA62.30-P-1001-01E
7	Loosen bolt (3) and turn cross strut (7) to the side		*BA62.30-P-1002-01E
8	Unscrew bolts (4) and remove rear engine crossmember (8)	Model 164	*BA22.10-P-1005-03G
		Model 251	*BA22.10-P-1005-03F
9	Install in the reverse order

CROSSMEMBER AND FRONT REINFORCEMENT

Number	Designation			Model 164	Model 251
BA62.30-P-1001-01E	Bolt, right bracket to engine crossmember	M10	Nm	45	45
BA62.30-P-1002-01E	Bolt, right bracket to transmission tunnel	M10	Nm	45	45
BA62.30-P-1003-01E	Bolt, left bracket to engine crossmember	M10	Nm	45	45
BA62.30-P-1004-01E	Bolt, left bracket to transmission tunnel	M10	Nm	45	45

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		Model 164
BA22.10-P-1003-03G	Bolt, rear engine mount to transmission	Nm	20
BA22.10-P-1004-03G	Bolt, rear engine mount to rear engine crossmember	Nm	58
BA22.10-P-1005-03G	Bolt, rear engine crossmember to body	Nm	55

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		Model 251
BA22.10-P-1003-03F	Bolt, rear engine mount to transmission	Nm	20
BA22.10-P-1004-03F	Bolt, rear engine mount to rear engine crossmember	Nm	58
BA22.10-P-1005-03F	Bolt, rear engine crossmember to body	Nm	55