Remove/install radius rod - AR35.20-P-0111I

MODEL 215.375/378, 220.025/026/028/063/065/067/070/075/083/084/087/126/128/163/165/167/170/175/178/183/184/187

Fig 1: Identifying Radius Rod Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	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.
	Notes on self-locking nuts and bolts
	While working on the rear axle care must be taken to ensure that the surface of all aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the parts will be affected
1	Raise vehicle with vehicle lift
2	Remove rear wheels
	Remove/install wheels
3	Detach brake calipers (111) with brake pads from rear axle	To relieve the strain on the brake hoses, fasten the brake calipers (111) onto the vehicle free of tension so that they are not damaged during repair work. The brake hoses must not be disconnected from the brake calipers (111) during the repair work.
4	Remove brake disks (113)		AR42.10-P-0220I
5	Remove right muffler	In order to avoid damage to the brake cable bracket on the rear axle, see: ↓ Remove complete exhaust system:
		Engine 112, 113
		Engine 137	AR49.10-P-7000L
		Engine 275	AR49.10-P-7000IM
		Engine 613	AR49.10-P-7000M
		Engine 628	AR49.10-P-7000MB
		Engine 648	AR49.10-P-7000MZ
6	Detach rear rubber mount from left rear muffler
7	Detach, attach parking brake cables (112a) on automatic cable adjuster (110b) of parking brake	See:↓
7		Remove rear brake cable.	AR42.20-P-0525I
8	Remove bolts for propeller shaft intermediate bearing (106a).
9	Detach rear propeller shaft (106) from rear axle center assembly	The flexible coupling remains on the rear propeller shaft.
		Attach the rear propeller shaft to the rear axle differential.	AR41.10-P-0050-04I

10	Loosen fitted sleeves of flexible coupling at flange of rear axle center assembly	If the fitted sleeves are jammed: ↓	AR41.10-P-0050-09I
		Produce drift for detaching the fitting sleeves in the flexible coupling.	WF58.50-P-4110-01A
11	Unclip lines of right rear brake pad contact sensor connector (S10/4x1) and left and right rpm sensor connectors (L6/3x1, L6/4x1) from rear axle carrier (1) and tie rod	If necessary, depending on cable length.
12.1	Detach level sensor control rod (120a) from torsion bar link	Vehicles with AIRmatic (semi-active air suspension), code 489
12.1
12.2	Remove level sensor control rod (122a) from both spring control arms.	Vehicles with Active Body Control (Code 487) only.
12.2
13	Support rear axle carrier (1) using assembly attachment and pit lift or assembly lift under rear axle center assembly	Assembly attachment
14	Remove front rear axle carrier bolts (1c)	recut thread on frame floor with tap.
		Tighten bolts or nuts as per tightening angle.	AR35.10-P-0010-08I

	Bolted connection changed, front and rear rubber mounts, rear axle carrier to frame floor		BT35.10-P-0004-01I
15	Carefully lower rear axle carrier (1) until the bolted connection of the torque strut (3) on the rear axle carrier is accessible	Do not damage any brake cables (112a) and lines.
16	Detach torque strut (3) from wheel carrier and rear axle carrier (1)	Screwdriver bit
		The rear axle shaft must be horizontal when tightening the nuts.
		Torque strut to rear axle carrier
		Torque strut to wheel carrier
17	Install in the reverse order

REAR AXLE CARRIER

Number	Designation				Model 215	Model 220
BA35.10-P-1001-01A	Self-locking bolt, front rear axle carrier rubber mount to frame floor	-		Nm	-	-
		with bolt Flange Ø 24 mm	Stage 1	Nm	60	60
		with bolt Flange Ø 24 mm	Stage 2	∠°	90	90
		with bolt flange Ø 26 mm	Stage 1	Nm	60	60
		with bolt flange Ø 26 mm	Stage 2	∠°	90	90

TORQUE STRUT

Number	Designation				Model 215	Model 220
BA35.20-P-1001-03B	Self-locking nut, tension arm to rear axle carrier	M12		Nm	70	70
BA35.20-P-1001-03B	Self-locking nut, tension arm to rear axle carrier	M14		∠°	120	120
BA35.20-P-1002-03B	Self-locking nut, torque strut to wheel carrier	M12		Nm	70	70
		M14	Stage 1	Nm	90	90
		M14	Stage 2	∠°	60	60
		M16		Nm	230	230

PROPELLER SHAFT

Number	Designation			Model 215	Model 220
BA41.10-P-1002-01A	Self-locking nut, flexible coupling to rear propeller shaft or rear axle differential.	M10	Nm	-	-
BA41.10-P-1002-01A		M12	Nm	60	60

PROPELLER SHAFT INTERMEDIATE BEARING

Number	Designation			Model 215	Model 220
BA41.40-P-1001-01A	Bolt, propeller shaft intermediate bearing to frame floor assembly	Self-tapping screw	Nm	-	-
		Bolt with washer	Nm	30	30
		Bolt with collar and self-centering tip	Nm	-	-
		Bolt with collar and without self-centering tip	Nm	-	-

REAR AXLE LEVEL SENSOR

Number	Designation		Model 215 with code 487	Model 220 except model 220 with code 487	Model 220 with code 487
BA82.10-P-1001-02A	Nut, level sensor link rod to torsion bar intermediate lever	Nm	-	10	-
BA82.10-P-1006-02A	Nut, linkage rod bracket to spring control arm	Nm	8	-	8

Fig 2: Identifying Assembly Attachment (140 589 01 62 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Screwdriver Bit (119 589 00 10 00)

Courtesy of MERCEDES-BENZ USA