Remove/install thrust arm - AR35.20-P-0113SX

MODEL 221, 216

Fig 1: Identifying Thrust Arm Components

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

29.6.10

Value modified: Self-locking nut, flex disk to rear propeller shaft or rear axle center assembly, M12

	Remove/install
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	While working on the rear axle, care must be taken to ensure that the surface of aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the parts will be affected
	Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition.
1	Secure vehicle on the lifting platform		AR00.60-P-0100SX
2	Remove wheel.
	Remove/install wheels		AP40.10-P-4050SX
3	Remove spring control arm	Vehicles with code (Z07) Top protection	AR35.20-P-0114SX
4	Remove brake disc	Engine 275 without code (Z07) Top protection, engine 273	AR42.10-P-0220SX
5	Raise wheel carrier (7) using transmission jack and transmission platform until rear axle shaft (37) is roughly horizontal	Transmission jack and transmission platform
6	Detach thrust arm (5) from wheel carrier (7)	Model 221 without code (Z07) Top protection except model 221.176/179	*BA35.20-P-1002-05A
		Model 221.176 without code (Z07) Top protection, model 221.179	*BA35.20-P-1003-05A
		Model 221.176 with code (Z07) Top protection	*BA35.20-P-1004-05A
		Model 216	*BA35.20-P-1002-05F
7	Remove exhaust system at flange connection	Engine 156, 272, 273, 275	AR49.10-P-7100SX
		Engine 642, 629	AR49.10-P-7100SXI
8	Detach propeller shaft from rear axle differential		AR41.10-P-0050-03SX
		Mount propeller shaft on rear axle center assembly.	AR41.10-P-0050-04SX
			*BA41.10-P-1002-01H
9	Support rear axle carrier (1) with transmission jack and transmission platform
10	Remove rear sections of underbody protection	Vehicles with code (Z07) Top protection and fire extinguishing system	AR61.40-P-1000SXS
11	Remove left and right rear extinguishing agent distributor	Vehicles with code (Z07) Top protection and fire extinguishing system
12	Remove bolts (2a) from left and right stop (2).	Model 221 without code (Z07) Top protection	*BA35.10-P-1008-01M
		Model 221 with code (Z07) Top protection	*BA35.10-P-1008-01O
13	Remove bolts (1a) from left and right front rubber mount (1b)	Model 221 without code (Z07) Top protection	*BA35.10-P-1001-01M
		Model 221 with code (Z07) Top protection	*BA35.10-P-1001-01O
14	Lower front rear axle carrier (1)	When lowering do not damage any cables or lines.
15	Detach thrust arm (5) from rear axle carrier (1).	Model 221	*BA35.20-P-1001-05A
		Model 216	*BA35.20-P-1001-05F
16	Install in the reverse order

TORQUE STRUT

Number	Designation				Model 216
BA35.20-P-1001-05F	Self-locking nut, torque strut to rear axle carrier	M12	Stage 1	Nm	40
			Stage 2	∠°	90
		M14	Stage 1	Nm	80
			Stage 2	∠°	90
BA35.20-P-1002-05F	Self-locking nut, thrust arm to wheel carrier	M12	Stage 1	Nm	40
			Stage 2	∠°	90
		M14	Stage 1	Nm	80
			Stage 2	∠°	90

TORQUE STRUT

Number	Designation			Model 221 except 221.176/179 without code Z07/Z07+Z19	Model 221 with code Z07/Z07+Z19	Model 221.176/179
BA35.20-P-1001-05A	Self-locking nut, torque strut to rear axle carrier		Nm	40	80	80
			∠°	90	90	90
BA35.20-P-1002-05A	Self-locking nut, thrust arm to wheel carrier	M10	Nm	-	-	-
		M12	Nm	40	-	-
			∠°	90	-	-
BA35.20-P-1003-05A	Self-locking nut, thrust arm to wheel carrier		Nm	-	-	80
			∠°	-	-	90
BA35.20-P-1004-05A	Bolt, thrust arm to wheel carrier		Nm	-	230	-
			∠°	-	-	-

REAR AXLE CARRIER

Number	Designation			Model 216
BA35.10-P-1001-01M	Self-locking bolt, front rear axle carrier rubber mount to frame floor	Stage 1	Nm	80
		Stage 2	∠°	90
BA35.10-P-1008-01M	Bolt, stop to longitudinal member		Nm	35

REAR AXLE CARRIER

Number	Designation			Model 221 except 221.176/179 with rear axle differential 240V	Model 221.176/179 with rear axle differential 240V
BA35.10-P-1001-01M	Self-locking bolt, front rear axle carrier rubber mount to frame floor	Stage 1	Nm	80	80
		Stage 2	∠°	90	90
BA35.10-P-1008-01M	Bolt, stop to longitudinal member		Nm	35	35

REAR AXLE CARRIER

Number	Designation				Model 221 with code Z07/Z07+Z19
BA35.10-P-1001-01O	Self-locking bolt, front rear axle carrier rubber mount to frame floor	Stage 1	M12x1.5	Nm	80
			M14x1.5	Nm	140
		Stage 2		∠°	90
BA35.10-P-1008-01O	Bolt, stop to longitudinal member			Nm	35

PROPELLER SHAFT

Number	Designation			Model 216	Model 221
BA41.10-P-1002-01H	Self-locking nut, flex disk to rear propeller shaft or rear axle center assembly	M12	Nm	68	68