Remove/install airbag unit on steering wheel

AR91.60-P-0660RA

Remove/install airbag unit on steering wheel

25.04.2018

Model

171.4 as of 3/3/08

Model

219.3 as of 3/3/08

Model

230.4 as of 1/29/08

Shown on removed steering wheel for model 230.470

1

Driver airbag

2

Steering wheel

9

Brace cover

Shown on model 230

1

Driver airbag

5

Electrical connector

R12/13

Driver airbag ignition squib 1

2

Steering wheel

6

Electrical connector

R12/14

Driver airbag ignition squib 2

3

Lock tabs

7

Electrical connectors

4

Electrical connectors

8

Bracket

 Warning

Risk of injury during testing and repair operations related to pyrotechnical components

Do not expose pyrotechnical component parts to temperatures above 100 °C or 212 °F. Disconnect current supply when working on such component parts.

AS91.00-Z-0008-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Information, assessment and legal requirements when working with, handling and storing pyrotechnical components

AH91.00-Z-0000-10A

 

Remove/install

1

Adjust driver seat and steering column all the way back

2

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

3

Disconnect battery ground line

Model 219.3

AR54.10-P-0003TX

Model 171.4

AR54.10-P-0003V

Model 230.4
except code P99 (Special model "AMG Black Series")

AR54.10-P-0003R

Model 230.4
with code P99 (Special model "AMG Black Series")

AR54.10-P-0003RBS

4

Remove brace cover (9) from steering wheel (2)

Model 230.4 as of 1/29/08

 Mounting wedge

*110589035900

5

Insert screwdriver bit into openings (arrows) at back of steering wheel (2) and remove screws/bolts from driver airbag (1)

 Screws remain on steering wheel (2).

 Model 219.3
with code 494 (US version)Screw/bolt, airbag to steering wheel

*BA91.60-P-1007-01G

 Model 171.4, 230.4
with code 809 (Model year 2009)Bolt, airbag to steering wheel

*BA91.60-P-1001-01A

 Model 219.3
except code 494 (US version)Bolt, airbag to steering wheel

*BA91.60-P-1001-01J

 Screwdriver bit

*126589001000

6

Remove driver airbag (1) from steering wheel (2) until electrical connectors (4) are accessible

7

Release and disconnect electrical connections (4)

8

Release and disconnect electrical connection (5)

9

Release and disconnect electrical connection (6)

10

Unclip lock tabs (3) and disconnect electrical connectors (7)

 Removal lever

*203589043300

11

Remove driver airbag (1) from steering wheel (2)

12

Install in the reverse order



Check

13

Check and erase vehicle fault memory using the diagnostic system

When replacing the driver airbag (1).



Model 219.3

AD00.00-P-2000-04TX



Model 171.4, 219.3, 230.4

AD00.00-P-2000-04A

 Airbag

Number

Designation

Model 171

Model 230

BA91.60-P-1001-01A

Bolt, airbag to steering wheel

Nm

8

8

 Airbag

Number

Designation

MODEL 219.3 except CODE 494

BA91.60-P-1001-01J

Bolt, airbag to steering wheel

Nm

7

 Airbag

Number

Designation

MODEL 219.3 with CODE 494

BA91.60-P-1007-01G

Screw/bolt, airbag to steering wheel

Nm

7