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Remove/install cross strut on front axle - AR33.15-P-0161EW

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MODEL 212, 218 

Shown on vehicle except CODE 460 (Canada version) and except CODE 494 (USA version) 

Fig 1: Front Axle Cross Strut Remove/Install Components - Shown On Vehicle Except Code 460
G09976192Courtesy of MERCEDES-BENZ USA

With CODE M005 (4MATIC) 

Fig 2: Front Axle Cross Strut Remove/Install Components - Shown On Vehicle With Code M005
G09976193Courtesy of MERCEDES-BENZ USA

Except CODE M005 (4MATIC) 

Fig 3: Front Axle Cross Strut Remove/Install Components - Shown On Vehicle Except Code M005
G09976194DANGERNOTESREMOVINGINSTALLINGREFER TO MAINTENANCENOTESIMPORTANTIMPORTANTIMPORTANTNOTESINSTALLATION IMPORTANTTORQUE SPECIFICATIONTORQUE SPECIFICATIONTORQUE SPECIFICATIONTORQUE SPECIFICATIONINSTALLATION IMPORTANTIMPORTANTTORQUE SPECIFICATIONTORQUE SPECIFICATIONSPECIAL TOOLSPECIAL TOOLSPECIAL TOOLINSTALLATION IMPORTANTIMPORTANTTORQUE SPECIFICATIONTORQUE SPECIFICATIONSPECIAL TOOLSPECIAL TOOLSPECIAL TOOLINSPECTIMPORTANTIMPORTANTCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
REMOVINGINSTALLING Remove/install     
1 Detach front wheel and tire assembly    
REFER TO MAINTENANCE Remove/install wheels, rotate if necessary   AP40.10-P-4050EW
2.1 Remove center and rear engine compartment paneling Vehicles with gasoline engine  
    Remove/install bottom engine compartment paneling AR61.20-P-1105EW
2.2 Remove center and rear bottom part of noise encapsulation Vehicles with diesel engine  
    Remove/install bottom parts of soundproofing AR94.30-P-5300EW
3 Detach bracket (8) of front level sensor's link rod from cross strut (4) NOTES
Do not unclip link rod from bracket (8). The link rod will be damaged otherwise.
IMPORTANT Except CODE 489 (AIRmatic (air suspension with continuous adjustment damping))
Only detach left bracket (8).
IMPORTANT with CODE 489 (AIRmatic (air suspension with continuous adjustment damping))
Detach left and right bracket (8).
IMPORTANT Except CODE M005 (4MATIC)
Installation:  Replace cable tie.
 
4 Unscrew nut (1) NOTES
When loosening the nut (1) the bolt (2) must not be twisted. It is essential to counterhold bolt (2).
Otherwise the lock tabs for caster adjustment in the elastomer bearing (4a) will be sheared off when the repair kit is fitted.
INSTALLATION IMPORTANT Screw nut (1) of screw/bolt (2) all the way on until it makes contact, but do not yet tighten in order to allow the elastomer bearing (4a) to turn when the vehicle is rocked to settle suspension. Only tighten nut (1) in the ready-to-drive condition.
 
    TORQUE SPECIFICATION Model 218 *BA33.20-P-1005-01Q 
    TORQUE SPECIFICATION Model 218 *BA33.20-P-1006-01Q 
    TORQUE SPECIFICATION MODEL 212 *BA33.20-P-1005-01O 
    TORQUE SPECIFICATION MODEL 212 *BA33.20-P-1006-01O 
5.1 Unscrew nut (5) from cross strut (4) on upper ball joint (7) and detach cross strut (4) with thrust piece (01), puller (02) and press (03) from upper ball joint (7) Vehicles without code M005 (4MATIC)
INSTALLATION IMPORTANT The grease in the radial groove must not be removed.
IMPORTANT There must not be any grease on the taper and thread.
 
    TORQUE SPECIFICATION Model 218 *BA33.20-P-1007-01Q 
    TORQUE SPECIFICATION MODEL 212 *BA33.20-P-1007-01O 
    SPECIAL TOOL Thrust piece Figure
    SPECIAL TOOL Puller Figure
    SPECIAL TOOL Press Figure
5.2 Unscrew nut (5) of cross strut (4) from steering knuckle (6) and pry off cross strut (4) using thrust piece (01), puller (02) and press (03) from steering knuckle (6) Vehicles with code M005 (4M ATIC)
INSTALLATION IMPORTANT The grease in the radial groove must not be removed.
IMPORTANT There must not be any grease on the taper and thread.
 
    TORQUE SPECIFICATION Model 218 *BA33.20-P-1007-01Q 
    TORQUE SPECIFICATION MODEL 212 *BA33.20-P-1007-01O 
    SPECIAL TOOL Thrust piece Figure
    SPECIAL TOOL Puller Figure
    SPECIAL TOOL Press Figure
6 Pull bolt (2) out of front axle carrier (3) and remove cross strut (4)    
INSPECT Check     
7 Check elastomer bearing (4a) in cross strut (4) for signs of damage IMPORTANT Replace cross strut (4) if necessary.  
8 Check upper ball joint (7) on steering knuckle (6) Vehicles without code M005 (4MATIC)
If necessary

Replace upper ball joint (7) of steering knuckle bearing.
 
      AR33.20-P-0427EW 
9 Check rubber boot and ball joint of cross strut (4) for signs of damage Vehicles with code M005 (4M ATIC)
IMPORTANT Replace cross strut (4) if necessary.
 
10 Install in the reverse order    
11 Perform wheel alignment check Perform wheel alignment check AR40.20-P-0200EW
WHEEL CONTROL, HUB

Number Designation MODEL 212 except 4MATIC MODEL 212 with 4MATIC
BA33.20-P-1005-01O Bolt to locknut for cross strut on integral carrier Stage 1 Nm 120 120
Stage 2 ∠° 180 180
WHEEL CONTROL, HUB

Number Designation MODEL 218 except 4MATIC MODEL 218 with 4MATIC
BA33.20-P-1005-01Q Self-locking nut, cross strut to front axle carrier Stage 1 Nm 120 120
Stage 2 ∠° 180 180
WHEEL CONTROL, HUB

Number Designation MODEL 212 except 4MATIC MODEL 212 with 4MATIC
BA33.20-P-1006-01O Locknut (repair kit), cross strut to integral carrier M14X120X11.9 Stage 1 Nm 100 100
Stage 2 ∠° 180 180
WHEEL CONTROL, HUB

Number Designation MODEL 218 except 4MATIC MODEL 218 with 4MATIC
BA33.20-P-1006-01Q Self-locking nut (repair kit), cross strut to front axle carrier Stage 1 M14X120X11.9 Nm 100 100
Stage 2   ∠° 180 180
WHEEL CONTROL, HUB

Number Designation MODEL 212 except 4MATIC MODEL 212 with 4MATIC
BA33.20-P-1007-01O Locknut, cross strut to steering knuckle/upper ball joint Stage 1 Nm 50 50
Stage 2 ∠° 90 90
WHEEL CONTROL, HUB

Number Designation MODEL 218 except 4MATIC MODEL 218 with 4MATIC
BA33.20-P-1007-01Q Self-locking nut, cross strut to steering knuckle/upper ball joint Stage 1 Nm 50 50
Stage 2 ∠° 90 90
Fig 4: Identifying Puller (221 589 00 33 00)
G09976195Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Thrust Piece (171 589 00 34 00)
G09976196Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Press (163 589 03 43 00)
G09976197Courtesy of MERCEDES-BENZ USA