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Remove/Install Steering Knuckle - AR33.25-P-0400LW

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Model 205 

Model 213 

Model 253 

Model 293 

MODIFICATION NOTES

02.04.2019 Method revised. Operation step 1 to 4  

Shown on model 205 with code M005 (4MATIC) 

G14546964Courtesy of MERCEDES-BENZ USA

Shown on model 205 with code M005 (4MATIC) 

G14546965Courtesy of MERCEDES-BENZ USA

Shown on model 253 with code M005 (4MATIC) 

G14546966Courtesy of MERCEDES-BENZ USA

Shown on model 205 with CODE M005 (4MATIC) 

Fig 1: Steering Knuckle Components Location - Model 253 (Shown On Model 205)
G14546967REMOVINGINSTALLINGTORQUE SPECIFICATIONINSTALLATION IMPORTANTTORQUE SPECIFICATIONTORQUE SPECIFICATIONTORQUE SPECIFICATIONNOTESTORQUE SPECIFICATIONNOTESTORQUE SPECIFICATIONCAUTIONNOTESTORQUE SPECIFICATIONNOTESTORQUE SPECIFICATIONINSTALLATION NOTESTORQUE SPECIFICATIONCourtesy of MERCEDES-BENZ USA
Notice Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
Notice Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
  Notes on repair work on suspension components   AH00.00-P-0100-01A
REMOVINGINSTALLING Remove/install     
1 Remove hub cap from corresponding front wheel. Model 205, 213, 253 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 293
If the front wheel has to be removed for this purpose,
↓
remove corresponding front wheel, then mount again.
 
      AR40.10-P-1102A
2 Unfasten front axle shaft bolt (10) to wheel hub. Model 205, 213, 253 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 293
 
    TORQUE SPECIFICATION Screw/bolt, front axle shaft to wheel hub *BA33.30-P-1001-02H 
3 Remove corresponding front wheel.   AR40.10-P-1102A
4 Unscrew front axle shaft bolt (10) from wheel hub. Model 205, 213, 253 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 293
INSTALLATION IMPORTANT : Replace front axle shaft bolt (10).
Tighten front axle shaft bolt (10) lightly by hand.
 
5 Remove brake disk. Model 293 AR42.10-P-0230EQ
    Model 205
Model 213
Model 253
AR42.10-P-0220EWE
6 Detach left front axle RPM sensor (L6/1) or right front axle RPM sensor (L6/2) and place to one side with electrical line connected. Model 213.061/261 AR42.30-P-0713LWA
    Model 205
Model 213 (except 213.061/261)
Model 253
Model 293
AR42.30-P-0712LW
7 Unclip electrical line from bracket (13). Model 205, 213 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 253, 293
 
8 Unhook front right brake wear sensor (S10/2) from bracket (2). When removing the right steering knuckle (1).  
9 Remove nut (11). Model 205, 213 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 253, 293
 
    TORQUE SPECIFICATION Model 293 Nut, torsion bar linkage to steering knuckle *BA32.35-P-1006-02B 
    TORQUE SPECIFICATION Model 205, 213 with code M005 (Vehicles with 4MATIC/all-wheel drive) Nut, torsion bar linkage to steering knuckle *BA32.20-P-1006-02R 
    TORQUE SPECIFICATION Model 253Nut, torsion bar linkage to steering knuckle *BA32.20-P-1003-02T 
10 Unscrew nut (3) and remove tie rod (4). NOTES Counterhold the ball head and do not use an impact wrench/driver.
Otherwise, the ball head or steering knuckle (1) may be damaged.
 
    TORQUE SPECIFICATION Self-locking nut, tie rod to steering knuckle *BA46.40-P-1001-01P 
11 Remove nut (5).    
  Note on calculation of tightening torque when using insertion or socket tools with various effective lengths   AH00.00-P-0015-01CW
    NOTES Counterhold the ball head and do not use an impact wrench/driver.
Otherwise, the ball head or steering knuckle (1) may be damaged.
 
    TORQUE SPECIFICATION Nut, strut rod to steering knuckle *BA33.20-P-1003-01U 
    CAUTION Model 205, 213 except code M005 (Vehicles with 4MATIC/all-wheel drive)
Box wrench attachment, 24_mm
Fig 2
12 Remove nut (6). NOTES Counterhold the ball head and do not use an impact wrench/driver.
Otherwise, the ball head or steering knuckle (1) may be damaged.
 
    TORQUE SPECIFICATION Nut, spring control arm to steering knuckle *BA33.20-P-1001-01U 
13 Unscrew nut (7) and remove upper transverse control arm (8) from steering knuckle (1). NOTES Counterhold the ball head and do not use an impact wrench/driver.
Otherwise, the ball head or steering knuckle (1) may be damaged.
 
    TORQUE SPECIFICATION Nut, steering knuckle to transverse control arm *BA33.20-P-1006-01U 
14 Pull torsion bar linkage (12) out of steering knuckle (1). Model 205, 213 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 253, 293
INSTALLATION NOTES :
The guide pin (14) must latch into the cutout (15) in the steering knuckle (1).
Otherwise, the steering knuckle (1) will be damaged.
 
15 Guide steering knuckle (1) out of strut rod and spring link and remove.    
16 Remove brake cover plate (9). When replacing the steering knuckle (1).  
    TORQUE SPECIFICATION Model 205
Model 213 with engine 177
Model 213 with engine 256, 264, 274, 276, 642, 654, 656
Model 253
Model 293Bolt, front axle brake cover plate to steering knuckle
*BA42.10-P-1003-06J 
17 Remove wheel bearing. When replacing the steering knuckle (1).  
      AR33.20-P-0302LW 
18 Detach bracket (13). Model 205, 213 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 253, 293
When replacing the steering knuckle (1).
 
19 Install in the reverse order.    
FRONT AXLE TORSION BAR

Number Designation Model 253
BA32.20-P-1003-02T Nut, torsion bar linkage to steering knuckle Nm 80
FRONT AXLE TORSION BAR

Number Designation Model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive) Model 213 with code M005 (Vehicles with 4MATIC/all-wheel drive)
BA32.20-P-1006-02R Nut, torsion bar linkage to steering knuckle Nm 80 80
FRONT AXLE STABILIZER BAR

Number Designation Model 293
BA32.35-P-1006-02B Nut, torsion bar linkage to steering knuckle Nm 80
WHEEL CONTROL, HUB

Number Designation Model 205 Model 213
BA33.20-P-1001-01U Nut, spring control arm to steering knuckle Stage 1 Nm 250 250
Stage 2 ∠° - -
WHEEL CONTROL, HUB

Number Designation Model 253 Model 293
BA33.20-P-1001-01U Nut, spring control arm to steering knuckle Stage 1 Nm 250 250
Stage 2 ∠° - -
WHEEL CONTROL, HUB

Number Designation Model 205 Model 213
BA33.20-P-1003-01U Nut, strut rod to steering knuckle Stage 1 Nm 250 250
Stage 2 ∠° - -
WHEEL CONTROL, HUB

Number Designation Model 253 Model 293
BA33.20-P-1003-01U Nut, strut rod to steering knuckle Stage 1 Nm 250 250
Stage 2 ∠° - -
WHEEL CONTROL, HUB

Number Designation Model 205 Model 213
BA33.20-P-1006-01U Nut, steering knuckle to transverse control arm Stage 1 Nm 50 50
Stage 2 ∠° 45 45
WHEEL CONTROL, HUB

Number Designation Model 253 Model 293
BA33.20-P-1006-01U Nut, steering knuckle to transverse control arm Stage 1 Nm 50 50
Stage 2 ∠° 45 45
FRONT AXLE SHAFT

Number Designation Model 205 Model 213
BA33.30-P-1001-02H Screw/bolt, front axle shaft to wheel hub Stage 1 Nm 160 160
Stage 2   loosen approx. 90° loosen approx. 90°
Stage 3 Nm 220 220
Stage 4 ∠° 45 45
FRONT AXLE SHAFT

Number Designation Model 253 Model 293
BA33.30-P-1001-02H Screw/bolt, front axle shaft to wheel hub Stage 1 Nm 160 160
Stage 2   loosen approx. 90° loosen approx. 90°
Stage 3 Nm 220 220
Stage 4 ∠° 45 45
BRAKE DISKS, BRAKE COVER PLATE

Number Designation Model 205 Model 213 with engine 256, 264, 274, 276, 642, 654, 656
BA42.10-P-1003-06J Bolt, front axle brake cover plate to steering knuckle Nm 20 20
BRAKE DISKS, BRAKE COVER PLATE

Number Designation Model 213 with engine 177 Model 253
BA42.10-P-1003-06J Bolt, front axle brake cover plate to steering knuckle Nm 20 20
BRAKE DISKS, BRAKE COVER PLATE

Number Designation Model 293
BA42.10-P-1003-06J Bolt, front axle brake cover plate to steering knuckle Nm 20
TIE ROD

Number Designation Model 205 Model 213
BA46.40-P-1001-01P Self-locking nut, tie rod to steering knuckle Stage 1 Nm 90 90
Stage 2 ∠° 60 60
TIE ROD

Number Designation Model 253 Model 293
BA46.40-P-1001-01P Self-locking nut, tie rod to steering knuckle Stage 1 Nm 90 90
Stage 2 ∠° 60 60
Fig 2: Identifying Box Wrench Attachment, 24_MM (000 589 10 99 29)
G12937611Courtesy of MERCEDES-BENZ USA