Remove/install front axle half

AR33.10-P-0200CW

Remove/install front axle half

22.05.2017

Model

172, 204, 207

Shown on left front-axle half on MODEL 204 except CODE M005 (4MATIC)

1

Brake hose

2

Torsion bar linkage

3

Torsion bar

4

Tie rod joint

5

Steering knuckle

6

Front axle carrier

7

Strut rod

8

Cross strut

9

Bolts

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Secure vehicle on vehicle lift against falling down

Model 204, 207

AR00.60-P-0100CW

Model 172

AR00.60-P-0100T

2

Detach front complete wheel



Model 172

AP40.10-P-4050V



Model 204, 207

AP40.10-P-4050CW

3

Remove outer bolt from front axle shaft

Model 204
with code M005 (4MATIC)
Model 207
with code M005 (4MATIC)

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

 Screw/bolt, front axle shaft to wheel hub

*BA33.30-P-1001-02H

4.1

Remove rear section of fender liner in fender

Model 204

4.2

Remove fender liner from fender

Model 172, 207

Model 207

AR88.10-P-1300ELX

Model 172

AR88.10-P-1300W

5.1

Remove lower engine compartment paneling

Model 172 with engine 152, 271, 274, 276
Model 204 with engine 156, 271, 272, 274, 276
Model 207 with engine 271, 272, 273, 274, 276, 278

Model 204 (except 204.9) with engine 156, 271, 272, 274, 276
Model 207 with engine 271, 272, 273, 274, 276, 278

AR61.20-P-1105EW

Model 172 with engine 152, 271, 274, 276

AR61.20-P-1105W

Model 204.9 with engine 272, 274, 276

AR61.20-P-1105CY

5.2

Remove bottom soundproofing

Model 172 with engine 651
Model 204 with engine 642, 646, 651
Model 207 with engine 642, 651

Model 172 with engine 651

AR94.30-P-5300W

Model 204.0 with engine 642, 646, 651
Model 204.2 with engine 642, 646, 651
Model 204.3 with engine 651
Model 207 with engine 642, 651

AR94.30-P-5300EW

6

Disconnect electrical connectors of front axle in wheel well

Model 172

AR33.10-P-0100-06V

Model 204, 207

AR33.10-P-0100-06CW

7

Detach brake line from brake hose (1)

Model 172

AR42.10-P-0013V

Model 204

AR42.10-P-0013CW

Model 207

AR42.10-P-0013EW

8

Remove torsion bar linkage (2) from torsion bar (3)

 Model 172Self-locking nut, connecting rod to torsion bar

*BA32.20-P-1002-02B

 Model 204, 207Nut, link rod to stabilizer bar

*BA32.20-P-1001-02P

9

Detach tie rod ball joint (4) from steering knuckle (5)

AR46.40-P-0200-02CW

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

 Model 172Self-locking nut, tie rod to steering knuckle

*BA46.40-P-1001-01E

 Model 204, 207Self-locking nut, tie rod to steering knuckle

*BA46.40-P-1001-01N

 Puller

*221589053300

 Puller

*221589003300

 Thrust piece

*171589003400

 Press

*163589034300

10

Detach left front level sensor from left strut rod (7)

Model 172, 204, 207
with code 483 (ADVANCED AGILITY package)or with automatic headlamp range adjustment
When removing left front-axle half.


Do not unclip left front level sensor from torsion bar linkage.
Otherwise, the torsion bar linkage of the front left level sensor will be damaged.

11

Detach right front level sensor from right strut rod (7)

Model 172, 204, 207
with code 483 (ADVANCED AGILITY package)
When removing right front-axle half.


Do not unclip right front level sensor from torsion bar linkage.
Otherwise, the torsion bar linkage of the front right level sensor will be damaged.

12

Detach torque strut (7) from front axle carrier (6)

AR33.15-P-0160CW

13

Detach cross strut (8) from front axle carrier (6)

AR33.15-P-0161CW

14

Mount guard plate to protect brake disk cover panel

AR42.00-P-0100-01A

 Guard plate

*220589013100

15

Secure front-axle half with major assembly holding device and support plate to prevent it from falling down



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

16

Tilt steering knuckle (5) to one side, while doing so pull front axle shaft out of wheel hub

Model 204
with code M005 (4MATIC)
Model 207
with code M005 (4MATIC)


Handle front axle shaft carefully.
The seal boots of the front axle shaft can otherwise be damaged.

17

Remove bolts (9) on suspension strut tower and lower front-axle half

 Model 204.00/02/04/05/06/20/22/24/25/30/33/34/35
except code 483 (ADVANCED AGILITY package)
Model 204.00/02/04/05/06/20/22/24/25/30/33/34/35
with code 483 (ADVANCED AGILITY package)
Model 204.077/277
Model 204.08/09/28/29/38/9
Model 204.377
except code P98 (Black Series)
Model 204.377
with code P98 (Black Series)
Model 207
except code 483 (ADVANCED AGILITY package)
Model 207
with code 483 (ADVANCED AGILITY package)Screw/bolt, suspension strut to body

*BA32.25-P-1003-04M

 Model 172Suspension strut to body

*BA32.25-P-1003-01N



Check

18

Check strut rod (7) for damage and deformation

If damaged or deformed



Replace strut rod (7).

AR33.15-P-0160CW

19

Check cross strut (8) for damage and deformation

If damaged or deformed



Replace cross strut (8).

AR33.15-P-0161CW

20

Check spring strut for leaks and damage

If leaking or damaged



Replace suspension strut.

AR32.25-P-1017CW

21

Check steering knuckle (5) for damage and deformation

If damaged or deformed



Replace steering knuckle (5).

Model 172.466

AR33.25-P-0400W

Model 172 (except 172.466)
Model 204 (except 204.077/277/377/9)
except code M005 (4MATIC)
Model 207
except code M005 (4MATIC)

AR33.25-P-0400CW

Model 204
with code M005 (4MATIC)
Model 207
with code M005 (4MATIC)

AR33.25-P-0400CWX

Model 204 with engine 156
except code M005 (4MATIC)

AR33.25-P-0400CMG

22

Check front axle shaft for signs of damage

Model 204, 207
with code M005 (4MATIC)

If damage is present



Replace front axle shaft.

Model 204.08/09/28/29/38/90/93/98/99
Model 207
with code M005 (4MATIC)

AR33.30-P-0620CWX

23

Install in the reverse order

24

Bleed brake system

Model 172, 204

AR42.10-P-0010CW

Model 207

AR42.10-P-0010EW

25

Perform wheel alignment check

Model 204

AR40.20-P-0200CW

Model 172, 207

AR40.20-P-0200EW

26

Adjust level sensors using diagnostic system

Model 172, 204, 207
with code 483 (ADVANCED AGILITY package)or automatic headlamp range adjustment



AD00.00-P-2000-04A

 Front axle torsion bar

Number

Designation

Model 204

Model 207

BA32.20-P-1001-02P

Nut, link rod to stabilizer bar

Nm

98

98

 Front axle torsion bar

Number

Designation

Model 172

BA32.20-P-1002-02B

Self-locking nut, connecting rod to torsion bar

M10

Nm

–

M101.5

Nm

–

M121.5

Nm

100

M141.5

Nm

–

 Suspension struts

Number

Designation

Model 172

BA32.25-P-1003-01N

Suspension strut to body

Nm

65

 Suspension struts

Number

Designation

MODEL 204.00/02/04/05/06/20/22/24/25/30/33/34/35 except CODE 483, MODEL 204.077/277, MODEL 204.377 except CODE P98

MODEL 204.00/02/04/05/06/20/22/24/25/30/33/34/35 with CODE 483

BA32.25-P-1003-04M

Screw/bolt, suspension strut to body

Nm

33

33

 Suspension struts

Number

Designation

MODEL 204.377 with CODE P98

MODEL 204.08 / 09/28/29/38/9

BA32.25-P-1003-04M

Screw/bolt, suspension strut to body

Nm

33

33

 Suspension struts

Number

Designation

Model 207
except code 483 (ADVANCED AGILITY package)

Model 207
with code 483 (ADVANCED AGILITY package)

BA32.25-P-1003-04M

Screw/bolt, suspension strut to body

Nm

33

33

 Front axle shaft

Number

Designation

Model 204

Model 207

BA33.30-P-1001-02H

Screw/bolt, front axle shaft to wheel hub

Stage 1

Nm

160

160

Stage 2

lösen

lösen

Stage 3

Nm

120

120

Stage 4

°

90

90

 Tie rod

Number

Designation

Model 172

BA46.40-P-1001-01E

Self-locking nut, tie rod to steering knuckle

Stage 1

Nm

50

Stage 2

°

60

 Tie rod

Number

Designation

Model 204

Model 207

BA46.40-P-1001-01N

Self-locking nut, tie rod to steering knuckle

Stage 1

Nm

50

50

Stage 2

°

60

60