Remove/install lower transverse control arm and install new rubber bushing · ar3520p0108rt · Mercedes-Benz WIS

AR35.20-P-0108RT

Remove/install lower transverse control arm and install new rubber bushing

10.11.11

MODEL 251

Remove/install lower transverse control arm and install new rubber bushing

P35.20-2208-09

1 Bolts

2 Bolts

3 Screw connection

4 Nut

5 Link rod

6 Screw

7 Bracket

P35.20-2209-06

8 Bolts

9 Spring control arm

10 Nut

11 Supporting joint

12 Bellows

Modification notes

19.10.11

Value changed: Nut, link rod to spring control arm

*BA32.20-P-1002-04M

 	Remove/install
 Danger!	Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities	No parts of the body or limbs should be within the operating range of the mechanism when moving components.	AS00.00-Z-0009-01A
 Danger!	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
	Notes on self-locking nuts and bolts	All models	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
	Tighten nuts and bolts of rubber mounts of chassis components only in deflect state, to keep rubber mounts in neutral position
	The rubber mounts of the spring control arm are not individually exchangeable on model 251. The spring control arm must be replaced if the rubber mounts are defective!
1	Raise vehicle using two-post lift	 Raise vehicle until wheels are free of ground.	AR00.60-P-1000RT
		Two-post lifting platform 3.0-3.5 t, electromechanical gotis://H_00.1_01.0
2	Deflate affected air springs using STAR DIAGNOSIS diagnosis system
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
3	Switch off ignition and remove the transmitter key from the EIS [EZS] control unit	 On vehicles with Keyless Go, code 889: Press Keyless Go start/stop button repeatedly until the ignition is switched off. Remove transmitter key from vehicle and store it in a location beyond its transmission range (at least 2 m).
4	Remove rear road wheel
	Remove/install wheels, rotate if necessary		AP40.10-P-4050RT
5	Raise vehicle using two-post lift		AR00.60-P-1000RT
		Two-post lifting platform 3.0-3.5 t, electromechanical gotis://H_00.1_01.0
6	Remove bolts (1, 2), lower exhaust system (arrow A) and support		*BA49.10-P-1007-01X
			*BA49.10-P-1008-01X
7	Unscrew bolt (6) and remove bracket (7)	 Installation: Observe positioning spigot on bracket (7).	*BA35.15-P-1004-02E
8	Unscrew nut (4) and die detach link rod (5) from spring control arm (9)		*BA32.20-P-1002-04M
9	Detach bolted connection (3) from shock absorber		*BA32.25-P-1001-03L
10	Remove bolts (8) and remove spring control arm (9) downwards from rear axle carrier (arrows B)		*BA35.15-P-1001-02E
			*BA35.15-P-1002-02E
11	Unscrew nut (10) and detach spring control arm (9) from supporting joint (11)	 Do not damage thread and boot (12) of supporting joint (11).
		 Installation: Check supporting joint (11) for damage.
			*BA35.15-P-1003-02E
12	Install in the reverse order
13	Lower vehicle on two-post lift	 Only lower vehicle far enough that the wheels are still easily accessible.	AR00.60-P-1000RT
		Two-post lifting platform 3.0-3.5 t, electromechanical gotis://H_00.1_01.0
14	Inflate air springs using the STAR DIAGNOSIS diagnosis system
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
15	Lower vehicle on two-post lift		AR00.60-P-1000RT
		Two-post lifting platform 3.0-3.5 t, electromechanical gotis://H_00.1_01.0
16	Perform wheel alignment check		AR40.20-P-0200RT

 Exhaust system

Number	Designation		Engine 113 in model 251	Engine 272, 273, 276 in model 251	Engine 642 in model 251 without code 928/U42


BA49.10-P-1007-01X	Bolt, exhaust rubber mount bracket (inner) to body	Nm	18	18	18
BA49.10-P-1008-01X	Bolt, exhaust rubber mount bracket (outer) to bumper bracket	Nm	18	18	18

 Exhaust system

Number	Designation		Engine 156 in model 251


BA49.10-P-1007-01X	Bolt, exhaust rubber mount bracket (inner) to body	Nm	18
BA49.10-P-1008-01X	Bolt, exhaust rubber mount bracket (outer) to bumper bracket	Nm	18

 Trailing arms, transverse control arms

Number	Designation		Model 251


BA35.15-P-1001-02E	Bolt, front spring control arm to rear axle carrier	Nm	200
BA35.15-P-1002-02E	Bolt, rear spring control arm to rear axle carrier	Nm	200
BA35.15-P-1003-02E	Self-locking nut of supporting joint of spring control arm to wheel carrier	Nm	205
BA35.15-P-1004-02E	Bolt, level sensor bracket to spring control arm	Nm	8

 Rear axle stabilizer bar

Number	Designation			Model 251


BA32.20-P-1002-04M	Nut, link rod to spring control arm	Stage 1	Nm	100
		2nd stage loosen	°	180
		Stage 3	Nm	45
		Stage 4	°	90

 Rear axle shock absorber

Number	Designation			Model 251


BA32.25-P-1001-03L	Self-locking nut, shock absorber to spring control arm	Stage 1	Nm	100
		Stage 2	°	120

Referenced documents

ad0000p200004a Connect STAR DIAGNOSIS and read out fault memory
ad0000p200004a
ah0000n000101a Notes on self-locking nuts and bolts
ap4010p4050rt Remove/install wheels, rotate if necessary
ar0060p1000rt Lift/jack up vehicle
ar4020p0200rt Perform chassis alignment
as0000z000901a Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.
as0000z001001a Risk of death caused by vehicle slipping or toppling off of the lifting platform.