Remove/install front axle shafts

AR33.30-P-0620MSC

Remove/install front axle shafts

14.05.2020

Model

167 with engine 176, 177, 256.9, 274

Model

167 with engine 264

with code M005 (Vehicles with 4MATIC/all-wheel drive)

Modification notes

20.09.2019

Document completely revised.

10

Front axle shaft

10m

Boot

10r

Protective ring

10s

Retaining ring

 Warning

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 mechanical components when moving components.

AS00.00-Z-0009-01A

 Caution

Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil

Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.

AS00.40-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

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

AH00.00-P-0020-01A

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

Remove front wheel and tire assemblies.

AR40.10-P-1102ME

2

Remove wheel hub cover.

 Removal and installation tool

*116589223300

3

Remove screws of front axle shafts (10).

 The aid of a helper is required to remove the screws.

 Screw/bolt, front axle shaft to wheel hub

*BA33.30-P-1001-02J

4

Loosen front axle shaft (10) from wheel hub.


Only loosen front axle shaft (10).
Screwing in the  extraction tool completely will damage the front axle shaft (10).

 Extraction and insertion tool

*210589034300

5

Remove suspension strut from lower control arm.

Model 167 with engine 176, 177, 256.9, 274
except code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)
Model 167 with engine 176, 177, 256.9, 274
with code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)
Model 167 with engine 264
with code 489 (AIRMATIC)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
except code 490 (Electrohydraulic suspension)
Model 167 with engine 264
with code M005 (Vehicles with 4MATIC/all-wheel drive)
except code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)

AR32.25-P-1017ME

Model 167 with engine 176, 177, 256.9
with code 489 (AIRMATIC)
with code 490 (Electrohydraulic suspension)
Model 167 with engine 264
with code 489 (AIRMATIC)
with code 490 (Electrohydraulic suspension)
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR32.25-P-1017MEH

6

Remove electrical wiring harnesses from steering knuckle.

7

Remove steering knuckle from upper transverse control arm and swivel out of working area.

AR33.20-P-0500ME


Do not crush or kink or subject lines to tension.
This leads to damage to the lines and impairs their function.

8

Remove front axle shaft (10) from wheel hub.

9

Pry front axle shaft (10) out of front axle differential and remove.

 Aid of helper required.

 Do not damage boots (10m) and protective ring (10r) of front axle shaft (10) or radial shaft sealing ring in front axle differential.

 Installation: Replace retaining ring (10s).



Check

10

Check radial shaft sealing ring in front axle differential for damage.

AR33.30-P-7140MSC

If damage is found,



replace radial shaft sealing ring.

11

Install in the reverse order.

12

Check front axle differential for leaktightness and proper operation.

 Front axle shaft

Number

Designation

Model 167

BA33.30-P-1001-02J

Screw/bolt, front axle shaft to wheel hub

Stage 1

Nm

220

Stage 2

°

45