Remove/install cross strut on front axle

AR33.15-P-0161EW

Remove/install cross strut on front axle

28.02.2018

Model

212, 218

Shown on vehicle except code 460 (Canada version), except code 494 (USA version) and except code M005 (4MATIC)

1

Nut

2

Screw

3

Front axle carrier

4

Cross strut

4a

Elastomer bearing

5

Nut

6

Steering knuckle

7

Upper ball joint (except code M005 (4MATIC))

8

Bracket

With code M005 (4MATIC)

01

Thrust piece

02

Puller

03

Press

4

Cross strut

6

Steering knuckle

Except code M005 (4MATIC)

01

Thrust piece

02

Puller

03

Press

4

Cross strut

6

Steering knuckle

7

Upper ball joint

 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

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Detach front wheel and tire assembly



AP40.10-P-4050EW

2.1

Remove center and rear engine compartment paneling

Model 212 with engine 156, 157, 271, 272, 273, 274, 276, 278
Model 218 with engine 157, 274, 276, 278

AR61.20-P-1105EW

2.2

Remove center and rear bottom part of noise encapsulation

Model 212, 218 with engine 642, 651

AR94.30-P-5300EW

3

Detach bracket (8) of linkage on front level sensor from cross strut (4)

If a front level sensor is installed.


Do not unclip the linkage from the bracket (8).
Otherwise the linkage will be damaged.

4

Unscrew nut (1)


When releasing the nut (1), the bolt (2) must not be twisted. The bolt (2) must be counterheld.
Otherwise the lock tabs for caster adjustment in the elastomer bearing (4a) will be sheared off when the repair kit is fitted.

 Installation: Screw nut (1) of 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.

 Model 218Screw/bolt, cross strut to front axle carrier

*BA33.20-P-1005-01Q

 Model 218Self-locking nut (repair kit), cross strut to front axle carrier

*BA33.20-P-1006-01Q

 Model 212Bolt, cross strut to integral carrier

*BA33.20-P-1005-01O

 Model 212Locknut (repair kit), cross strut to integral carrier

*BA33.20-P-1006-01O

5.1

Unscrew nut (5) and press cross strut (4) off upper ball joint (7) using thrust piece (01), puller (02) and press (03)

Model 212, 218
except code M005 (4MATIC)

 Installation: The grease in the radial groove must not be removed.
There must not be any grease on the taper and thread.

 Model 218Self-locking nut, cross strut to steering knuckle/upper ball joint

*BA33.20-P-1007-01Q

 Model 212Locknut, cross strut to steering knuckle/upper ball joint

*BA33.20-P-1007-01O

 Thrust piece

*171589003400

 Puller

*221589003300

 Press

*163589034300

5.2

Unscrew nut (5) and press cross strut (4) off steering knuckle (6) using thrust piece (01), puller (02) and press (03)

Model 212, 218
with code M005 (4MATIC)

 Installation: The grease in the radial groove must not be removed.
There must not be any grease on the taper and thread.

 Model 218Self-locking nut, cross strut to steering knuckle/upper ball joint

*BA33.20-P-1007-01Q

 Model 212Locknut, cross strut to steering knuckle/upper ball joint

*BA33.20-P-1007-01O

 Thrust piece

*171589003400

 Puller

*221589003300

 Press

*163589034300

6

Pull bolt (2) out of front axle carrier (3) and remove cross strut (4)



Check

7

Check elastomer bearing (4a) in cross strut (4) for signs of damage

If damage is present



Replace cross strut (4).

8

Check upper ball joint (7) on steering knuckle (6)

Model 212, 218
except code M005 (4MATIC)

If damage is present



Replace upper ball joint (7).

AR33.20-P-0427EW

9

Check seal bellows and ball joint of cross strut (4) for damage

Model 212, 218
with code M005 (4MATIC)

If damage is present



Replace cross strut (4).

10

Install in the reverse order

11

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, cross strut to 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

Screw/bolt, 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

M1412011.9

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

M1412011.9

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