Remove/install air suspension control unit

AR32.22-D-6000TSR

Remove/install air suspension control unit

17.01.2019

Model

907

with code CB2 (Comfort air suspension)

1

Control unit

2

Nut

3

Electrical connector

 Danger

Risk of death from lowering vehicle when working between wheels and body. Risk of injury from pinching or crushing when working on the air suspension.

Testing and repair work between the wheel and wheel arch or in the wheel well should only be performed if the vehicle is secured using suitable support fixtures to prevent it from lowering.
Adjustment operations should only be performed from underneath the vehicle.
Use only suitable support fixtures to secure the vehicle frame or vehicle axles in order to prevent them from lowering.
If necessary, additionally use suitable support fixtures in order to prevent other moving vehicle parts that are in the working area from lowering, or use suitable retaining devices to prevent these parts from moving suddenly and without warning.
Secure areas with moving vehicle parts against unauthorized access.

AS32.22-Z-0001-01A

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Switch off ignition and store transmitter key outside of transmission range (min. 2  m).

2

Detach ground line of on-board electrical system battery.

AR54.10-D-0029TS

 Before conducting any maintenance operations, switch off ignition, disconnect battery negative pole then wait for at least 3 minutes.

3

Disconnect ground line of auxiliary battery.

Model 907 with code E2I (Auxiliary battery for retrofit consumers, vehicle interior) model 907 with code E2M (Auxiliary battery for retrofit consumers, engine compartment) except code E2I (Auxiliary battery for retrofit consumers, vehicle interior)

Model 907 with code E2I (Auxiliary battery for retrofit consumers, interior)

AR54.10-D-0004TS

Model 907 with code E2M (Auxiliary battery for retrofit consumer, engine compartment) except code E2I (Auxiliary battery for retrofit consumer, interior)

AR54.10-D-0004TSR

4

Disconnect ground on additional battery for park pawl emergency shift.

Model 907 with code G42 (7G-TRONIC PLUS) model 907 with code G43 (9G-TRONIC)

AR54.10-D-0026TSR

5

Disconnect electrical connector (3).

6

Remove control unit (1).

 To do this, unscrew nuts (2).

 M6

*BA00.10-N-1002-01A

7

Install in the reverse order.

Calibrate

8

Calibrating driving level.

AR32.22-D-9000TSR

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

8.8

10.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

9

13

Phosphated

Nm

9

12

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

12.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

16

Phosphated

Nm

14