Remove/install steering knuckle - AR33.25-P-0400GZ

MODEL 164, 166

MODIFICATION NOTES

20.2.12

Value changed: Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle

BA33.20-P-1001-01R

Fig 1: Identifying Steering Knuckle Remove/Install Components - Shown On Model 164

Courtesy of MERCEDES-BENZ USA

Shown on model 164

	Remove/install
	Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension	Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.	AS00.00-Z-0001-01A
	Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of the mechanism when the components are moving.	AS00.00-Z-0009-01A
	Risk of death when touching components on vehicles with high-voltage on-board electrical system	Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not carry out any work on high-voltage on-board electrical systems.	AS54.00-Z-0001-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Notes on AIRmatic		AH32.22-P-1000-02GZ
1	Raise vehicle using vehicle lift until the wheels are clear of the ground		AR00.60-P-1000GZ
2	Empty AIRmatic using STAR DIAGNOSIS	MODEL 164, 166 with CODE 489 (Airmatic (air suspension with level adjustment and adaptive damping system ADS))
			AD00.00-P-2000-04A
		Empty and fill the AIRmatic as per the specifications; the complete wheels must not be touching the ground. The air springs can otherwise be damaged and fail later.	AD00.00-P-2000-04A
3	Remove transmitter key or Keyless-Go start and stop button	MODEL 164.195
	Check
4	Inspect follower joint (5)		AR33.20-P-0426GZ
5	Remove brake disk		AR42.10-P-0220GZ
6	Detach left front RPM sensor (L6/1) and right front RPM sensor (L6/2) from steering knuckle (1) and place to one side	Self-locking bolt, front axle RPM sensor to steering knuckle	*BA42.30-P-1001-01G
7	Detach bracket (4) from steering knuckle (1) and place to one side	Model 164: Observe installation position and replace cable tie.
7		MODEL 164 Pliers	Fig 5
8	Detach tie rod (2) from steering knuckle (1)	MODEL 164, 166
		MODEL 164	AR46.40-P-0200-02GZ
		Self-locking nut, tie rod to steering knuckle	*BA46.40-P-1002-01K
		MODEL 164 Thrust piece	Fig 4
		MODEL 164 Puller	Fig 2
		MODEL 164 Press	Fig 6
9	Unscrew nut securing stabilizer bar link rod to steering knuckle (1)	MODEL 166
9		Nut, link rod to steering knuckle	*BA32.20-P-1003-02Q
10	Detach collar nut (6) from front axle shaft	Only with 4MATIC
		MODEL 164.1 MODEL 164.8	*BA33.30-P-1001-02D
		MODEL 166	*BA33.30-P-1001-02I
11	Pressing front axle shaft out of front axle shaft flange	Only with 4MATIC
11	Pressing front axle shaft out of front axle shaft flange	Extraction and insertion tool	Figure
12	Unscrew nut from upper ball joint (5)	MODEL 164.1/8	*BA33.20-P-1001-01J
12	Unscrew nut from upper ball joint (5)	MODEL 166	*BA33.20-P-1001-01R
13	Press upper ball joint (5) out of steering knuckle (1)	Removal: Secure supporting ball joint against dropping down.
		MODEL 164 Thrust piece	Fig 4
		MODEL 164 Puller	Fig 2
		MODEL 164 Press	Fig 6
14	Unscrew nut from supporting joint (7) and remove steering knuckle (1)	MODEL 164.1/8	*BA33.20-P-1003-01J
14		MODEL 166	*BA33.20-P-1003-01R
15	Install in the reverse order

FRONT AXLE SHAFT

Number	Designation			MODEL 164.1	MODEL 164.8
BA33.30-P-1001-02D	Collar nut, front axle shaft to front axle shaft flange	Stage 1	Nm	250	260
BA33.30-P-1001-02D	Collar nut, front axle shaft to front axle shaft flange	Stage 2	∠°	45	45

FRONT AXLE TORSION BAR

Number	Designation		MODEL 166 without CODE 468 (Active driving stability (stability))	MODEL 166 with CODE 468 (Active driving stability (stability))
BA32.20-P-1003-02Q	Nut, link rod to steering knuckle	Nm	65	65

FRONT AXLE SHAFT

Number	Designation				MODEL 166
BA33.30-P-1001-02I	Collar nut, front axle shaft to front axle shaft flange	Stage 1		Nm	250
		Stage 2	Loosen	∠°	180
		Stage 3		Nm	200
		Stage 4		∠°	30

WHEEL CONTROL, HUB

Number	Designation		MODEL 164.1/8
BA33.20-P-1003-01J	Self-locking nut, supporting joint to lower transverse control arm	Nm	230

WHEEL CONTROL, HUB

Number	Designation			MODEL 164.1/8
BA33.20-P-1001-01J	Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle	Stage 1	Nm	20
BA33.20-P-1001-01J		Stage 2	∠°	90

FRONT AXLE RPM SENSOR

Number	Designation		MODEL 164.1/8	MODEL 166
BA42.30-P-1001-01G	Self-locking bolt, front axle RPM sensor to steering knuckle	Nm	8	8

WHEEL CONTROL, HUB

Number	Designation			MODEL 166
BA33.20-P-1003-01R	Self-locking nut, supporting joint to lower transverse control arm	Stage 1	Nm	80
BA33.20-P-1003-01R		Stage 2	∠°	90

WHEEL CONTROL, HUB

Number	Designation			MODEL 166
BA33.20-P-1001-01R	Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle	Stage 1	Nm	100
BA33.20-P-1001-01R		Stage 2	∠°	45

TIE ROD

Number	Designation			MODEL 164.1/8	MODEL 166
BA46.40-P-1002-01K	Self-locking nut, tie rod to steering knuckle	Stage 1	Nm	45	90
BA46.40-P-1002-01K	Self-locking nut, tie rod to steering knuckle	Stage 2	∠°	90	90

Fig 2: Identifying Puller (221 589 00 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Extraction And Insertion Tool (210 589 03 43 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Thrust Piece (140 589 00 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Pliers (164 589 01 37 00)

Courtesy of MERCEDES-BENZ USA

Fig 6: Identifying Press (163 589 03 43 00)

Courtesy of MERCEDES-BENZ USA