Remove/install rear suspension strut

AR32.25-P-1016LFS

Remove/install rear suspension strut

18.09.2019

Model

222

with code Z07 (B7 armoring on special protection version)

except code 487 (Active Body Control (ABC))

1

Speaker

3

Damping material

Pfeil A

Perforation

2

Stop plug

4

Service flap

Pfeil B

Perforation

3

Damping material

4

Service flap

Pfeil C

Perforation

5

Pressure line

6

Nuts

7

Suspension strut

8

Electrical connectors

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on AIRmatic

AH32.22-P-1000-02LF

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Release pressure in AIRmatic system using diagnostic system



AD00.00-P-2000-04B

2

Remove trim from side of C-pillar

Model 222.9
with code Z07 (B7 armoring on special protection version)
except code 487 (Active Body Control (ABC))

AR68.30-P-4490LFA

Model 222.0/1
with code Z07 (B7 armoring on special protection version)
except code 487 (Active Body Control (ABC))

AR68.30-P-4490LF

3

Unclip speaker cover

4

Remove speaker (1)

5

Remove plug (2)

6

Separate soundproofing (3) at perforation (arrow A) using a suitable tool and remove section

 Installation:
Install the soundproofing (3) or section correctly.
Acoustic problems can otherwise occur.

7

Cut service flap (4) into rear shelf at perforation (arrow B) and fold inward

8

Carefully separate soundproofing (3) over belt retractor at perforation (arrow C) and push toward rear

9

Detach pressure line (5) from corresponding suspension strut (7)

 Pressure line to rear suspension strut/valve block

*BA32.22-P-1011-03F

10

Check pressure line (5) and pressure line connection

AR32.22-P-2001-02SX

 Screw/bolt, bracket of central reservoir to body

*BA32.22-P-1003-03F

Leak detection spray

*BR00.45-Z-1002-03A

 Knife

*000589122800

 Socket wrench bit

*211589000900

If pressure line connection or pressure line (5) is damaged



Repair AIRmatic pressure line connection

11

Detach corresponding complete wheel

AR40.10-P-1102A

12

Disconnect electrical connectors (8) from suspension strut (7) and unhook from line bracket

13

Remove rear axle spring

AR32.20-P-0232LFS

14

Lower vehicle slightly

15

Unscrew nuts (6) from suspension strut (7) and remove suspension strut (7) from below

 Nut, suspension strut at rear to body

*BA32.25-P-1004-04O



Check

16

Check suspension strut (7)

When reinstalling suspension strut (7).

AR32.25-P-1017-02SX

If suspension strut (7) is damaged



Replace suspension strut (7)

17

Dispose of damaged suspension strut (7) correctly

When replacing suspension strut (7).

 Observe disposal regulations.

18

Determine length of suspension strut (7)

 Installation: Compare the determined length of the suspension strut (7) with the leaflet for the new suspension strut (7).

If the determined length differs



Do not install the new suspension strut (7)

19

Install in the reverse order

20

Check AIRmatic system for leak tightness

AR32.22-P-8100LF

21

Check vehicle level at rear axle with electronic inclination meter, correct if necessary

AR40.20-P-0301LF

 Air suspension

Number

Designation

Model 222

BA32.22-P-1003-03F

Screw/bolt, bracket of central reservoir to body

Nm

20

 Air suspension

Number

Designation

Model 222

BA32.22-P-1011-03F

Pressure line to rear suspension strut/valve block

Nm

2

 Suspension struts

Number

Designation

Model 222
with code Z07 (B7 armoring on special protection version)

BA32.25-P-1004-04O

Nut, suspension strut at rear to body

Nm

50

Repair materials

Number

Designation

Order number

BR00.45-Z-1002-03A

Leak detection spray

Christof Fischer GmbH
www.kaeltefischer.de