Remove/install rear suspension strut - AR32.25-P-1016RA (without Active Body Control)

MODEL 230 except CODE (487) Active Body Control (ABC) 

Fig 1: Identifying Rear Suspension Strut Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury  caused by body parts being jammed or crushed. Risk of injury  to skin and eyes caused by brake fluid spraying out at high pressure when working on the SBC brake system	Deactivate SBC brake system using STAR DIAGNOSIS.	AS42.46-Z-0001-01A
	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.	AS00.00-Z-0010-01A
	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
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Deactivate SBC brake system using STAR DIAGNOSIS.	The following steps should be run through in STAR DIAGNOSIS: Select menu item "SBC-Sensotronic Brake Control"/"Deactivate 'SBC' system". Then process all the individual steps from top to bottom. STAR DIAGNOSIS diagnostic system, see GOTIS http://gotis.aftersales.daimlerchrysler.com
2	Remove side paneling in trunk		AR68.30-P-4800R
3	Unscrew nuts (1).		*BA32.25-P-1004-04B
4	Remove rear wheel
	Remove/install wheels		AP40.10-P-4050Z
5	Unscrew bolts (4a) and detach brake caliper (4) from wheel carrier	Hang up brake caliper (4) to relieve the load on the brake hose. Brake hose may otherwise be damaged.	AR42.10-P-0080R
			*BA42.10-P-1004-12B
6	Remove the cover of the spring control arm (9)
7	Raise the wheel carrier using the transmission jack and transmission platform until the rear axle shaft is horizontal	Transmission jack, see GOTIS http://gotis.aftersales.daimlerchrysler.com Transmission platform, see GOTIS http://gotis.aftersales.daimlerchrysler.com
8	Loosen the camber strut bolted connection (2) on the wheel carrier	Installation:  The rear axle shaft must be horizontal when tightening the bolt.
			*BA35.20-P-1002-02C
9	Loosen the thrust arm bolted connection (3) on the wheel carrier	Installation:  The rear axle shaft must be horizontal when tightening the bolted connection.
			*BA35.20-P-1002-05C
10	Remove the link rod bolted connection (11) of the stabilizer bar (7) to wheel carrier		*BA32.20-P-1001-04G
11	Remove torque strut bolted connection (5) to wheel carrier	Installation:  The rear axle shaft must be horizontal when tightening the bolted connection.
			*BA35.20-P-1002-03C
12	Remove tie rod bolted connection (8) on wheel carrier	Installation:  The rear axle shaft must be horizontal when tightening the bolted connection.
			*BA35.20-P-1001-04C
13	Remove spring control arm bolted connection (10) on wheel carrier	Installation:  The rear axle shaft must be horizontal when tightening the bolted connection.
			*BA35.20-P-1004-01A
14	Remove suspension strut bolted connection (9a) on spring control arm (9), swivel spring control arm (9) downwards and remove suspension strut (6)		*BA32.25-P-1005-04B
15	Install in the reverse order
16	Activate SBC brake system using STAR DIAGNOSIS	The following steps should be run through in STAR DIAGNOSIS: Select "Initial startup after repair"/"Remove/install brake pads" menu item. Then process all the individual steps from top to bottom.
17	Aligning rear axle	See: ↓
		Perform chassis alignment.	AR40.20-P-0200R

STRUTS

Number	Designation		Model 230
BA32.25-P-1004-04B	Nut, rear suspension strut to body	Nm	20
BA32.25-P-1005-04B	Nut, rear strut to spring control arm	Nm	150

REAR AXLE BRAKE CALIPER

Number	Designation		Model 230.456/467/471/475
BA42.10-P-1004-12B	Self-locking bolt of floating caliper to wheel carrier	Nm	115

CAMBER STRUT

Number	Designation					Model 230
BA35.20-P-1002-02C	Self-locking nut, camber strut to wheel carrier.	Aluminum	M12	Stage 1	Nm	50
				Stage 2	∠°	90
		Steel	M14	Stage 1	Nm	80
				Stage 2	∠°	90

TORQUE STRUT

Number	Designation					Model 230
BA35.20-P-1002-05C	Self-locking nut, thrust arm to wheel carrier	Aluminum	M12	Stage 1	Nm	50
				Stage 2	∠°	90
		Steel	M14	Stage 1	Nm	80
				Stage 2	∠°	90

REAR AXLE STABILIZER BAR

Number	Designation		Model 230
BA32.20-P-1001-04G	Nut, link rod to wheel carrier	Nm	50

TORQUE STRUT

Number	Designation					Model 230
BA35.20-P-1002-03C	Self-locking nut, torque strut to wheel carrier	Aluminum	M12	Stage 1	Nm	50
				Stage 2	∠°	90
		Steel	M14	Stage 1	Nm	80
				Stage 2	∠°	90

TIE ROD

Number	Designation			Model 230
BA35.20-P-1001-04C	Self-locking nut, tie rod at wheel carrier	Stage 1	Nm	40
		Stage 2	∠°	90

SPRING CONTROL ARM

Number	Designation					Model 230
BA35.20-P-1004-01A	Self-locking nut, spring control arm to wheel carrier.	Aluminum	M14	Stage 1	Nm	150
				Stage 2	∠°	-
		Steel	M14	Stage 1	Nm	80
				Stage 2	∠°	90