Remove/install steering wheel

AR46.10-P-0100SN

Remove/install steering wheel

08.03.2019

Model

450.3/4 as of 1/3/03

1

Steering wheel

2

Socket wrench bit

R12/3

Driver airbag squib

 

Remove/install

 Warning

Risk of injury caused by performing testing or repair work on airbag or emergency tensioning retractor units.

Store airbag units with deployment side facing up; do not expose to temperatures greater than 100 °C. When working on these units, disconnect the power supply.

AS91.00-Z-0001-01A

Topical note

Notes on performing repair, body work and welding on vehicles with airbags and RTE units

AH91.00-P-0002-01M

Legal requirements on handling and storing airbags and emergency tensioning retractor units

AH91.00-P-0004-01A

1

Disconnect battery ground line

AR54.10-P-0003SM

2

Remove instrument cluster

AR54.30-P-6015SM

3

Disconnect connector coupling on driver's airbag squib (R12/3)


Do not damage the catch tabs,
otherwise the plug no longer locks.

 Installation: Ensure that the electrical connector engages.

4

Place front wheels in straight-ahead position

5

Unscrew screw as far as end stop using socket wrench socket (2)

 Bolt, steering wheel to steering shaft

*BA46.10-P-1001-02D

6

Detach steering wheel (1) from steering column

 Repair work on the steering wheel (1) and airbag is not permitted and, for this reason, generally replace the steering wheel (1).
If the steering wheel (1) is removed, do not screw in screw and do not twist clock spring contact.

 Installation: Insert steering wheel (1) so that the locking pins line up with the supports of the clock spring contact (arrows).
Ensure that front wheels are in straight-ahead position before installing steering wheel.
Turn steering wheel (1) in installed condition and only with tightened screw so as to prevent damage to the clock spring contact.

7

Install in the reverse order

8

Calibrate steering angle sensor



AD00.00-P-2000-04SM

 Connect STAR DIAGNOSIS.

 Steering wheel

Number

Designation

Model 450.3/4

BA46.10-P-1001-02D

Bolt, steering wheel to steering shaft

Nm

30