airbag MERCEDES-BENZ ML320 1997 Complete Repair Manual

463
All
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1)
Recognition: existing "airbag Off" warning light in center

console.

2)
With HHT functions menu point 5 Coding Reboard child seat. If

only the passenger side airbag is de-activated, then program
menu point Vehicle equipment.
3)

Depending on model and version, unplug one or two

connectors at the passenger side airbag and insert the

corresponding replacement resistors.

4)
Without ACSR, with seat belt force limiter.

Immobilizing passenger side airbag certificate
Model 124, 126, 129, 140, 163 up to VIN

145263, 170, 202, 210


Have customer sign certificate after

immobilization

OF91.60-P-1000-01A

Cancel immobilization

D
To re-activate the passenger side airbag remove the ignition

resistor at the cable.

D
Fit together connector at passenger side airbag.

D
Fit together connector at passenger side ETR (on models fitted

with seat belt force limiter).
D

Use HHT or STAR Diagnosis tool (DAS) to re-program

passenger side airbag and passenger side ETR in the SRS

control module to "YES".

D
Remove sticker on passenger side airbag and render invalid in
Owner's Manual.

D
Complete re-activation on certificate after immobilization.

D
If re-activated, delete de-activation in vehicle documents.

Parts ordering notes
Part no.

Designation
Quantity

140 868 00 50
Ignition resistor (replacement resistor)
as required

140 817 15 20
Sticker (without seat belt force limiter)
2

210 817 20 20
Sticker (with seat belt force limiter)
2

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111.946 up to 31.5.98,
111.943,
111.973 up to 31.5.97,
111.920,
111.921 up to 31.8.98,
111.941,
111.942 up to 31.8.98,
111.944 up to 31.5.98,
111.945 up to 31.8.98, 111.974,
111.947/970, 112.942 up to 31.5.98,
119, 120 up to 31.5.97,
668.940/941,611.960/961
with CODE (440a) Cruise control
with CODE (443a) Cruise control and electrically adjustable steering column (codes 400 and 441)
with CODE (446) Cruise control, electrically adjustable steering column and airbag (440, 441 and 442)
ENGINE 104, 111, 112, 113, 119, 120, 137, 613.960, 628.960 (except, 112.96, 113.99) with CODE (494a)
USA version
Fig. 16: Identifying Cruise Control Switch


2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY CAB Throttle Control, Speed Control Systems - 163 Chassis
me
Saturday, October 02, 2010 3:36:27 PMPage 28 © 2006 Mitchell Repair Information Company, LLC.

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 retractorsStore 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

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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

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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

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AR46.10-P-0100GHRemoving and installing steering wheel
1.3.97

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

P46.10-0449-11
P46.10-0450-01 P46.10-0458-01 P46.10-0459-01

Modification notes

10.9.03

Connecting quiescent current retention unit deleted
Step 1

10.9.03
Reference to adjusting toe on front axle replaced by

reference to chassis alignment check
Step 10

Removing, installing

Danger!

Risk of explosion
caused by explosive gas.

Risk of poisoning and caustic burns


caused by swallowing battery electrolyte.
Risk of injury
caused by burns to skin and

eyes from battery acid or when handling

damaged lead-acid batteries
No fire, sparks, open flames or smoking.

Wear acid-resistant gloves, clothing and eye

protection. Pour battery electrolyte only into

suitable and appropriately marked containers.

AS54.10-Z-0001-01A


Danger!

Risk of injury
when carrying out test 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


Legal provisions concerning handling and

storage of airbag and emergency tensioning

retractor units

AH91.00-P-0004-01A

o

Notes on disposing of airbag and emergency

tensioning retractor units

OS91.00-P-0001-01A

1
Disconnect ground cable from battery


Protect the ground cable to prevent

unintentional contact with the battery ground

terminal.

AR54.10-P-0003A

Notes on battery

AH54.10-P-0001-01A

2
Remove airbag unit (120) from steering wheel

(32)

AR91.60-P-0660GH


Instructions for performing repair, body work

and welding on vehicles with airbags and

ETR units

AH91.00-P-0002-01B

3
Unplug connectors (38b, 38c) for horn

4
Turn steering wheel (32) to horizontal position

(front wheels in straight-ahead position)

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5
Remove key and engage steering lock

6
Unscrew bolt (32c)

Hold the steering wheel (32).


Installation:
Replace bolt (32c).


*BA46.10-P-1001-02A

7
Pull off steering wheel (32)

Pass cables carefully through the openings.


Installation:
Align recesses of the splines

in the steering wheel with the markings on the

steering shaft (arrows).

8
Check fanfare horns and airbag clock spring

contact (A45) for damage

The clock spring contact must not be

turned while the steering wheel is removed

otherwise it will be damaged.

Visual inspection, replace clock spring

contact if necessary:

#

Removing and installing clock spring contact

AR46.10-P-0200GH

9
Install in the reverse order

10
Carry out road test

Tests during the road test:

Turn signal canceling:

When the steering wheel is offset by

more than 1 tooth, satisfactory resetting of the

turn signal is no longer guaranteed.

Airbag indicator lamp:

The SRS indicator lamp must not light up

on full steering lock in both directions.

Steering wheel position:

If the steering wheel is crooked, adjust it

by max. 1 tooth. If the difference is greater:

#

Check toe on front axle and adjust if

necessary, see:

#

Performing chassis alignment check

AR40.20-P-0200A

Steering wheel

Number

Designation
Model 163

BA46.10-P-1001-02A
Bolt, steering wheel to steering shaft
Nm
80

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AD54.30-P-5000-03A
Directly controlled display instruments

troubleshooting chart IC

Directly controlled display instruments or indicator

lamp/warning message:

D
Outside temperature indicator

D
Fuel gauge

D
Oil pressure gauge (models 129 and 140 only)

D
Left turn signal indicator lamp

D
Right turn signal indicator lamp

D
High beam indicator lamp

D
Fuel reserve indicator lamp

D
Airbag SRS indicator lamp/MIL

D
AIRBAG OFF indicator lamp (only model 163 except

I )
D
Low brake fluid level/parking brake indicator lamp (only brake

fluid direct)

(both functions via CAN on model 163)

D
Low windshield washer fluid level indicator lamp (except

models 163 and 168)
D

Low ECL indicator lamp (except models 163 and 168)

D
Generator charge indicator lamp

D
Seat belt reminder lamp

D
Seat belt/backrest lock reminder lamp

D
Exterior lamp failure indicator lamp

D
Hydraulic fluid level indicator lamp (models 202 and 210 only)

D
ADS MIL, suspension

D
Turn signal clicking

D
Seat belt reminder lamp

D
Light reminder lamp

D
Key reminder lamp

D
Soft top reminder lamp (model 170 only)

D
Steering lock warning lamp (

I )

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