Mercedes-Benz ML320. Service manual - part 816

 

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Mercedes-Benz ML320. Service manual - part 816

 

 

AD54.30-P-6000-06GH

Steering lock switch, testing electrical system 
of IC

Model 163

t

A

Scope of test

Measuring instrument/

Test connection

Operation/

Requirement

Specified value D Possible cause/

Remedy

1.0

Steering lock switch 

(S97/1)

o

 

A1

b

14

(A.14)

Ignition: OFF

Disconnect coupling "A" 

(18-pin)

Steering locked

Steering unlocked

< 1 W

> 20 kW

D Cables

D (S97/1)

Copyright DaimlerChrysler AG  05.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

AR91.60-P-0660GH

Removing and installing airbag unit on steering wheel

27.2.01

MODEL 

163.113 /128 /136 /154 /157 /172 /174 /175

P91.60-2339-11

up to 31.08.01

1

Airbag unit

2

Bolts

4

Connector

P91.60-2340-05

as of 01.09.01

1

Airbag unit

3

Arresting mechanism

4

Connector

5

Connector

  

Remove/install

 Danger! 

Injury hazard when performing test and 
repair work on airbags and emergency 
tensioning retractors

Store airbag unit with expulsion area on top, 
do not subject to temperatures above 100 °C. 
Interrupt power supply when working on such 
units.

AS91.00-Z-0001-01A

 

Important instructions for performing repair, 
body work and welding on vehicles with 
airbag and emergency belt tensioner units

Models 129 as of 1.7.93, 163, 168, 170, 202 
as of 1.7.93, 208, 210, 414, 638, 690.6, 901, 
902, 903, 904, 905

 Model 461 with engine 602.983

Model 463 up to 30.11.00

Model WD141, WD241, WD341, WD641, 
WD741, XD141, XD241, XD341, XD441, 
XD541, XD641, XD741, YD141, YD241, 
YD341, YD441, YD541, YD641, YD741

AH91.00-P-0002-01B

 

Legal provisions concerning handling and 
storage of airbag and emergency tensioning 
retractor units

Models 124, 129, 140, 163, 168, 170, 202, 
203, 208, 209, 210, 211.004/ 006/ 016/ 061/ 
065/ 070, 215, 220, 230, 314, 316, 318, 414, 
461, 463, 638, 668, 670, 690.6, 901, 902, 
903, 904, 905, 950, 952, 953, 954, 970, 972, 
974, 975, 976

Model WD141, WD241, WD341,  WD641, 
WD741, XD141, XD241, XD341, XD441, 
XD541, XD641, XD741, YD141, YD241, 
YD341, YD441, YD541, YD641, YD741

AH91.00-P-0004-01A

o

 

Notes regarding the disposal of airbag and 
belt tensioner units

All models

OS91.00-P-0001-01A

1

Separate ground cable of battery

AR54.10-P-0003A

Copyright DaimlerChrysler AG  09.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

2

Remove screws (2)

 Starting from the straight-ahead position, 

turn steering wheel by 90  to obtain better 
access to the bolts.

 

*BA91.60-P-1001-01A

 Screwdriver bit 

*126589001000

3

Lift airbag unit from steering wheel

4.1

Open arresting mechanism (3) on plug 
connector (4) 

 Up to 31.08.01.

4.2

Open arresting mechanism (3) on both plug 
connectors (4, 5) 

 As of 01.09.01.

5.1

Unplug plug connector (4) from squib

 Up to 31.08.01.

 

Installation: plug connector should latch 

audibly.

5.2

Unplug connector (4, 5) from squib.

 As of 01.09.01.

 

Installation: plug connector should latch 

audibly. Close arresting mechanism (3) on the 
plug connectors after latching.

6

Remove airbag unit (1) out of steering wheel

 If airbag unit is replaced:

#

Make airbag units unusable

AR91.60-P-0611A

7

Install in the reverse order

 The steering wheel must always be 

replaced after the driver airbag unit has 
deployed.

8

Check automatic return of combination switch

9

Carry out diagnosis

 According to specifications in diagnosis 

manual.

 Airbag

Number

Designation

Model 163

BA91.60-P-1001-01A

Screw for airbag to steering wheel

NM

8

126 589 00 10 00

Screwdriver bit

Copyright DaimlerChrysler AG  09.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 2

AR46.10-P-0200GH

Removing, installing contact spiral

1.3.97

MODEL 

163.113 /128 /136 /154 /157 /172 /174 /175

P46.10-0460-01

P46.10-0461-01

P46.10-0399-01

  

Remove/install

1

Remove steering wheel

 Front wheels centered

AR46.10-P-0100GH

2

Only unscrew the mounting screws (32h) until 
the fanfare horns and airbag clock spring 
contact (A45) can be removed

 The fastening bolts also act as protection 

against twisting and as an assembly aid.

3

Remove the fanfare horns and airbag clock 
spring contact (A45) carefully from the jacket 
tube

 Installation: Push on fanfare horns and 

airbag clock spring contact (A45) as far as the 
stop. In the process the recess must align 
with the fixing lug (arrow)

 If the clock spring contact twists out of 

position, i.e., if the steering joint is removed: 

#

Set the clock spring contact to center position AR46.10-P-0200-01GH

4

Unlock plug and disconnect the connector 
(38d) from the fanfare horns and airbag clock 
spring contact (A45

5

Check fanfare horns and airbag clock spring 
contact (A45) for damage

 Visual inspection

 Do not use any oil or grease!

 The upper (32f) and lower part (32g) of 

the clock spring contact are clipped together 
and can only be separated by the effect of 
high forces or due to defective assembly. If 
the spring contact is assembled incorrectly, 
carefully unwind and clip the upper and lower 
parts together. Be careful not to trap or bend 
the spring contact (32e).

6

Install in the reverse order

Copyright DaimlerChrysler AG  09.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

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