Lower front axle

AR33.10-P-0101LF

Lower front axle

30.01.2019

Model

217, 222

Modification notes

30.11.2017

Screw/bolt, front diagonal strut to front axle carrier/body

BA61.10-P-1018-01K

Shown on model 222 with code 487 (Active Body Control (ABC))

1

Cooler package

5

Bolts

9

Front right connecting strut

2

Electrical connector

6

Bracket

10

Rear connecting struts

3

Wiring harness

7

Bracket

11

Bolts

4

Front axle

8

Front left connecting strut

Shown on model 222 with code 487 (Active Body Control (ABC))

01

Tensioning strap

02

Lifting device

4

Front axle

12

Hydraulic line

Shown on model 217.4

32

Front diagonal struts

 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

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on bolted connections with self tapping screws

AH00.00-P-0007-01SF

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on Active Body Control suspension

Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))

AH32.50-P-0001-01N

Notes on AIRmatic

außer Code 487 (Active Body Control (ABC))

AH32.22-P-1000-02LF

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Secure vehicle on vehicle lift

AR00.60-P-0100CW

 Vehicle hoist securing tool

*171589013100

2.1

Release pressure in ABC system using diagnostic system

On vehicles with ABC suspension.

Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))

AR32.50-P-0001-01LF



AD00.00-P-2000-04B

2.2

Vent pressure in AIRmatic system using diagnostic system

Model 217, 222
except code 487 (Active Body Control (ABC))
On vehicles with AIRmatic suspension.



AD00.00-P-2000-04B

3

Switch off easy entry/exit

 Switch off using the buttons on the steering wheel in the Comfort menu of the multifunction display, see Owner's Manual.

4

Turn steering wheel to central position (front wheels in straight ahead position) and secure with the retaining device


Do not turn steering wheel with steering coupling removed.
Otherwise, the clock spring contact will be destroyed.

 Retainer device

*129589012100

5

Attach engine hoist

Model 222 with engine 256

AR33.10-P-0105MRT

Model 222 with engine 642
except code M005 (4MATIC)

AR33.10-P-0105LFD

Model 217 with engine 157, 278, 279
Model 222 with engine 157, 276.8/9, 277, 278, 279

AR33.10-P-0105LF

6

Remove lower engine compartment paneling

AR61.20-P-1105LF

7

Remove front diagonal struts (32)

Model 217.4

 Screw/bolt, front diagonal strut to front axle carrier/body

*BA61.10-P-1018-01K

8

Secure radiator package (1) using tensioning strap (01) against falling down

9

Remove front wheel and tire assemblies

AR40.10-P-1102A

10

Release suspension struts from spring links

Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))

AR32.25-P-1017LFA

Model 217
except code 487 (Active Body Control (ABC))
Model 222
except code 487 (Active Body Control (ABC))

AR32.25-P-1017LFB

11

Remove steering coupling on rack-and-pinion steering

Model 217
Model 222 as of 4/30/14

AR46.10-P-8000LW

Model 222 up to 4/29/14

AR46.10-P-8000RK

12

Disconnect electrical connectors (2) on electrical power steering control unit

13

Unclip wiring harness (3) of rack-and-pinion steering on front axle (4), remove and place to one side

14

Remove right fender liner in fender

AR88.10-P-1300LF

15

Remove fender liner in left fender in front area

AR88.10-P-1300LF

16

Unscrew bolts (5) and remove holder (6)

Model 217 with engine 157, 278
Model 222 with engine 157, 256, 276, 278, 642
If installed.

 Place the pumps and valves to one side with the lines still connected.

 Model 217 with engine 157, 278
Model 222 with engine 157, 278Bolt/nut, bracket for coolant pump/switchover valve to radiator support

*BA20.10-P-1006-01W

 Model 222 with engine 276
except code M005 (4MATIC)Bolt/nut, bracket for coolant pump/switchover valve to radiator support

*BA20.10-P-1011-01AA

 Model 222 with engine 642
except code M005 (4MATIC)Bracket securing coolant pump/switchover valve to radiator support

*BA20.10-P-1005-01S

 Model 222 with engine 256Bolt, holder for coolant pump/valve to body

*BA20.10-P-1003-01MRT

17

Release holder with front axle valve unit and place to one side with lines attached

Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))

AR32.50-P-0001LF

18

Unhook holder (7) with lines on front left connecting strut (8) and place to one side

19

Remove compressor and place to one side with lines attached

Model 217
except code 487 (Active Body Control (ABC))
Model 222
except code 487 (Active Body Control (ABC))

AR32.22-P-2001LF

20

Remove front right and left connecting strut (8), (9)

 Model 217
except code 487 (Active Body Control (ABC))
Model 222
except code M005 (4MATIC)
except code Z07 (Top protection)Bolt/nut, front mounting console to front axle carrier

*BA33.10-P-1003-01P

21

Remove all holders of hydraulic line (12) at front on front axle (4) and on right longitudinal member

Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))

22

Only lift up engine until engine mounts are relieved of load

23

Unscrew bolts of the engine mount on the front axle (4)

Model 222 with engine 642
except code M005 (4MATIC)

AR22.10-P-1260LFD

Model 222 with engine 276.9
except code M005 (4MATIC)

AR22.10-P-1260LFH

Model 217, 222 with engine 157, 278
except code M005 (4MATIC)

AR22.10-P-4330LF

Model 217 with engine 279
Model 222 with engine 277, 279

AR22.10-P-4330MUB

24

Position lifting platform (02) on front axle (4) and secure with tensioning straps



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

25

Remove rear connecting struts (10)

 Model 217
Model 222
except code Z07 (Top protection)Bolt, rear mounting console to longitudinal member

*BA33.10-P-1005-01P

 Model 217
Model 222
except code Z07 (Top protection)Bolt, rear mounting console to front axle carrier

*BA33.10-P-1004-01P

26

Unscrew bolts (11) of front axle (4)

 Model 217
Model 222
except code Z07 (Top protection)Screw/bolt, front axle carrier at rear to longitudinal member

*BA33.10-P-1002-01P

 Model 217
Model 222
except code Z07 (Top protection)Screw/bolt, front axle carrier at front to longitudinal member

*BA33.10-P-1001-01P

27

Carefully lower front axle (4)


Do not lower front axle (4) too far.
Otherwise, lines and component parts will be damaged.

28

Install in the reverse order

29

Perform wheel alignment check

AR40.20-P-0200LF

 Coolant thermostat, coolant pump

Number

Designation

Engine 256

BA20.10-P-1003-01MRT

Bolt, holder for coolant pump/valve to body

Nm

20

 Coolant pump, coolant thermostat

Number

Designation

Engine 642

BA20.10-P-1005-01S

Bracket securing coolant pump/switchover valve to radiator support

Nm

20

 Coolant pump, coolant thermostat

Number

Designation

Engine 157

Engine 278

BA20.10-P-1006-01W

Bolt/nut, bracket for coolant pump/switchover valve to radiator support

M6

Nm

6

6

M8

Nm

20

20

 Coolant pump, coolant thermostat

Number

Designation

Engine 276

BA20.10-P-1011-01AA

Bolt/nut, bracket for coolant pump/switchover valve to radiator support

M6

Nm

6

M8

Nm

20

 Front axle carrier

Number

Designation

Model 217

MODEL 222 except CODE Z07

BA33.10-P-1001-01P

Screw/bolt, front axle carrier at front to longitudinal member

Stage 1

Nm

140

140

Stage 2

Loosen

°

–

–

Stage 3

Nm

–

–

Stage 4

°

–

–

 Front axle carrier

Number

Designation

Model 217

MODEL 222 except CODE Z07

BA33.10-P-1002-01P

Screw/bolt, front axle carrier at rear to longitudinal member

Stage 1

Nm

70

70

Stage 2

Loosen

°

–

–

Stage 3

Nm

–

–

 Front axle carrier

Number

Designation

Model 217

MODEL 222 except CODE Z07

BA33.10-P-1003-01P

Bolt/nut, front mounting console to front axle carrier

Nm

20

20

 Front axle carrier

Number

Designation

Model 217

MODEL 222 except CODE Z07

BA33.10-P-1004-01P

Bolt, rear mounting console to front axle carrier

Nm

100

100

 Front axle carrier

Number

Designation

Model 217

MODEL 222 except CODE Z07

BA33.10-P-1005-01P

Bolt, rear mounting console to longitudinal member

Nm

50

50

 Frame floor assembly

Number

Designation

Model 217

BA61.10-P-1018-01K

Screw/bolt, front diagonal strut to front axle carrier/body

M8

Nm

17

M10

Nm

50