Replace (ADS) suspension control unit and adapt vehicle electrical system to control unit version

AR32.32-P-0501SL

Replace (ADS) suspension control unit and adapt vehicle electrical system to control unit version

16.7.03



Removal:



General note

When there is a change to the control unit version, the replacement of the complete ADS wiring harness (51k) and individual components is necessary.

1

Detach ground line from the battery

AR54.10-P-0003A

 Danger!

Risk of injury to fingers being jammed or squeezed when removing and installing or aligning hoods, doors, trunk lid/tailgate or sliding roof.

When moving components, ensure that no body parts or limbs are within the operating range of moving parts.

AS00.00-Z-0011-01A

2

Open engine hood

3

Remove cover (1)

4

Loosen ADS suspension control unit (N51) from the bracket (H); to do this, unscrew bolts (51s) (center picture)

5

Disconnect ADS wiring harness (51k) from ADS suspension control unit (N51)

 Open the coupling locking device (arrow) of connector and tilt over ADS suspension control unit (N51) so that the connector coupling can be pulled out of the rear support.

6

Remove ADS suspension control unit (N51)

7.1

Remove ADS level control oil level switch (S44)

 Removal is necessary in the event of a change to the control unit version. The ADS level control oil level switch (S44) is replaced by the ADS level control oil level switch (S44) with the part number A 011 542 05 17.

8.1

Remove ADS wiring harness (51k)

 Removal is necessary in the event of a change to the control unit version. The ADS wiring harness (51k) is replaced by ADS wiring harness (51k) with the part number A 129 440 30 05t.

AR32.32-P-0505SL

9.1

Removing the ADS comfort/sport switch

 Removal is necessary in the event of a change to the control unit version. The ADS comfort/sport switch is replaced by the ADS comfort/sport switch with the part number A 129 820 99 10.

AR32.32-P-0517SL



Installation

10.1

Installing the ADS comfort/sport switch

In the event of a change to the control unit.

AR32.32-P-0517SL

11.1

Producing tapped hole M6 (B) in bracket (H)

In the event of a change to the control unit.

 A change to the fastening points is necessary due to a modification to the control unit housing (magnified section).

 Attach new ADS suspension control unit (N51) with the rear bolt (51s) befestigen and mark tapped hole (B) Then remove ADS suspension control unit (N51) and drill core hole (5 mm dia).

12.1

Install ADS wiring harness (51k)

When replacing the ADS suspension control unit (N51).

AR32.32-P-0505SL

13

Insert ADS suspension control unit (N51) in bracket (H) and connect ADS wiring harness (51k)

 Secure connector by latching the locking device (51v).

14

Attach ADS suspension control unit (N51) to bracket H with bolts (51s)

15

Connect ground cable to battery

AR54.10-P-0003A

16.1

Install ADS level control oil level switch (S44)

When replacing the ADS suspension control unit (N51).

17

Check and correct level control oil level

AP32.30-P-3211BA

18

Install cover (1)

19

Check and correct vehicle level at front and rear axle

AR40.20-P-0300D

20

Check and correct headlamp adjustment

AP82.10-P-8260A

21

Close engine hood