Remove/install air suspension bellows

AR32.22-P-2003ME

Remove/install air suspension bellows

20.03.2020

Model

167

with code 489 (AIRMATIC)

except code 490 (Electrohydraulic suspension)

Model

167

with code 489 (AIRMATIC)

with code 490 (Electrohydraulic suspension)

Shown on right rear side of vehicle

1

Trim

2

Mounting clip

3

Air suspension bellows

A

Catch hook

 Warning

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

Topical note

Notes on air suspension

AH32.22-P-1000-01T

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Remove right or left rear wheel and tire assembly.

AR40.10-P-1102ME

2

Transfer the pneumatic pressure of air suspension bellows (3) into the central reservoir using the diagnostic system.



AD00.00-P-2000-06ME


The complete wheels must not touch the ground.
Otherwise air suspension bellows (3) may suffer initial damage and malfunction at a later stage.

 Select menu item "Actuations" in active suspension and damping system control unit.

 Installation: Transfer pneumatic pressure out of the central reservoir into air suspension bellows (3) using the diagnostic system.

3

Remove trim (1) from transverse control arm.

4

Detach level sensor linkage from transverse control arm.

AR82.10-P-0005ME

5

Detach pneumatic pressure line from air suspension bellows (3) and seal exposed openings with suitable stop plugs.

 Air suspension pressure line to rear air suspension bellows

*BA32.22-P-1001-03B

 Box wrench bit

*001589000300

 Socket wrench bit

*211589000900

 Record plug

*129589009100

6

Detach air suspension bellows (3) at their upper frame from retaining clip (2).


Do not pull on air suspension bellows (3) and do not twist air suspension bellows (3).
Otherwise, air suspension bellows (3) will be damaged.

7

Release catch hooks (A), slide air suspension bellows (3) together and remove upwards.

 Installation: Ensure catch hooks (A) are correctly seated.

8

Remove retaining clip (2).

 Remove rest of retaining clip (2) from air suspension bellows (3) and frame floor.

 Installation: replace retaining clip (2).



Check

9

Check pneumatic pressure line and pneumatic pressure line connection on air suspension bellows (3) for damage.

If damage is present,



repair corresponding component part.

AR32.22-P-2001-01ME

 Air suspension pressure line to rear air suspension bellows

*BA32.22-P-1001-03B

 Box wrench bit

*001589000300

 Socket wrench bit

*211589000900

 Knife

*000589122800

10

Check condition of air suspension bellows (3).


There must not be any intrusions present on the protective boot.
Otherwise the movement of the spring will damage the spring bellows on the inside.

If there is a problem,



Replace air suspension bellows (3).

11

Install in the reverse order.



Check

12

Check air suspension for leak tightness.

AR32.22-P-8000ME

 Air suspension

Number

Designation

Model 167
with code 489 (AIRMATIC)

BA32.22-P-1001-03B

Air suspension pressure line to rear air suspension bellows

Nm

2