Remove/install seat belt with emergency tensioning retractor

AR91.40-P-0630B

Remove/install seat belt with emergency tensioning retractor

25.04.2018

Model

124

Illustrated on sedan

1

Cap

2

Bolt

3

Bolts

4

Cover

5

Cover

6

Bolt

7

Bolt

8

Electrical connector

Shown on coupe and cabriolet

2

Bolt

6

Bolt

7

Bolt

8

Electrical connector

9

Belt anchor fitting tensioner

 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

1

Switch off ignition and remove ignition key

2

Disconnect battery ground line

3

Remove front passenger footwell floor covering

On vehicles with driver airbag.

4

Remove footrest from front passenger footwell firewall

On vehicles with driver airbag.

5

Disconnect 10-pin electrical connector in front passenger footwell

On vehicles with driver airbag.

6.1

Remove cap (1)

Model 124 (except 124.0)

6.2

Remove upper part of left or right belt anchor fitting tensioner (9)

Model 124.0

AR91.40-P-0630-02B

 Mounting wedge

*110589035900

7

Remove bolt (2)

8

Remove screws/bolts (3) from left or right cover (4)

Model 124 (except 124.0)

9

Remove left or right cover (4)

Model 124 (except 124.0)

10.1

Pull cover (5) on left or right center pillar downwards

Model 124 (except 124.0)

10.2

Remove left or right side panel in rear

Model 124.0

11.1

Pull belt strap with belt lock tongue through the opening on the left or right cover (5) and remove left or right cover (5)

Model 124 (except 124.0)

11.2

Pull belt strap with belt lock tongue through the opening on the left or right rear side cover and remove left or right rear side cover

Model 124.0

12

Remove screw/bolt (6) from belt guide bracket

13

Remove screw/bolt (7) from emergency tensioning retractor

14

Release and disconnect electrical connector (8) from emergency tensioning retractor squib

15

Lift emergency tensioning retractor out of left or right center pillar



Install

16

Lift emergency tensioning retractor into left or right center pillar

 When reinstalling the emergency tensioning retractor, pay attention to the different left and right versions and check for proper seating in lock.

17

Connect electrical connector (8) to emergency tensioning retractor squib

18

Screw screw/bolt (7) into emergency tensioning retractor

 Bolt to front seat belt retractor

*BA91.40-P-1003-01W

19

Screw in screw/bolt (6) at belt guide bracket

 Bolt/nut on front seat belt guide bracket

*BA91.40-P-1002-01W

20.1

Pull belt strap with belt lock tongue through opening on left or right cover (5)

Model 124 (except 124.0)

20.2

Pull belt strap with belt lock tongue through opening on left or right rear side cover

Model 124.0

21

Screw in bolt (2)

 Bolt on belt end fitting

*BA91.40-P-1001-01W

22.1

Insert cover (5) on left or right center pillar upwards

Model 124 (except 124.0)

22.2

Install left or right rear side cover

Model 124.0

23

Fasten left or right cover (4)

Model 124 (except 124.0)

24

Screw in screws/ bolts (3) at left or right cover (4)

Model 124 (except 124.0)

25

Check resistance of left or right emergency tensioning retractor squib

 Pulse counter

*124589192100

 126-pin socket box

*129589002100

 Test cable

*124589356300

26

Connect 10-pin electrical connector in front passenger footwell

On vehicles with driver airbag.

27

Install footrest in front passenger footwell firewall

On vehicles with driver airbag.

28

Install front passenger footwell floor covering

On vehicles with driver airbag.

29

Install upper part of left or right belt anchor fitting tensioner (9)

Model 124.0

AR91.40-P-0630-02B

30

Install cap (1)

Model 124 (except 124.0)

31

Connect ground cable to battery



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

32.1

Start the engine, SRS or RS indicator lamp must go out after approx. 4 s

Model 124 as of 9/1/87 up to 6/30/93

 Electrical connection kit

*220589009900

If the SRS or RS indicator lamp does not go out after approx. 4 s.



Check emergency tensioning retractor.

Model 124 up to 6/30/93

AR91.40-P-1011-01A

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

32.2

Start engine, SRS/RS indicator lamp must go off after approx. 10  s

Model 124 up to 8/31/87

 Electrical connection kit

*220589009900

If SRS/RS indicator lamp does not go off after approx. 10  s.



Check emergency tensioning retractor.

AR91.40-P-1011-01A

33

Read out fault memory with pulse counter

Model 124 as of 9/1/87 up to 6/30/93

AR91.60-P-0622-02A

 Pulse counter

*124589192100

 Seat belts/emergency tensioning retractors

Number

Designation

Model 124

BA91.40-P-1001-01W

Bolt on belt end fitting

Nm

35

 Seat belts/emergency tensioning retractors

Number

Designation

Model 124

BA91.40-P-1002-01W

Bolt/nut on front seat belt guide bracket

Nm

35

 Seat belts/emergency tensioning retractors

Number

Designation

Model 124

BA91.40-P-1003-01W

Bolt to front seat belt retractor

Nm

35