steering MERCEDES-BENZ ML320 1997 Complete Repair Manual

BT27.51-P-0001-01A
Thickness of friction and steel disks K3

changed

TRANSMISSION
722.6

Production breakpoint data/changes/new features

Transmission/

Steering gear
Transmission ident.

end no. as of
Type of and reason for modification

722.6
Phased in

The thickness of the friction disks has been increased by 0.5 mm and
the thickness of the steel disks reduced by 0.7mm.

This improves heat dissipation and prevents shift judder

The clearance adjustment has not changed.

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AR46.40-P-0201GH
Remove/install inner tie rod with axial joint
12.3.97

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

P46.40-0265-01 P46.40-0266-01 P46.40-0267-01

Left side
Right side

Left side


Remove/Install

1
Remove track rod

AR46.40-P-0200GH

2
Remove bellows

If the right inner tie rod with axial joint

(12b) is removed, the left bellows must also

be removed.

AR46.40-P-0400GH

3
Hold gear rack with open wrench insert

24 mm (arrow)

The flat for steadying on the steering rack

is located on the left side only .

4
Detach inner tie rod and thrust joint (12a or

12b) by using a 36 mm or 38 mm open-end

wrench attachment (012)

Do not use force (hammer impact, strong

lever action).


*BA46.40-P-1003-01C

5
Install in the reverse order


Track rod

Number

Designation
Model

Series 163

BA46.40-P-1003-01C
Inner track rod with axial joint to rack-and-

pinion joint
NM
110

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AR46.40-P-0200-02C
Pressing out and attaching track rod joint at

steering knuckle

k

Surface protection on track rod screw

connection to steering knuckle modified
BT46.40-P-0001-01A

Modification notes

24.3.99

Surface protection on track rod screw connection to

steering knuckle modified
Model 210

BT46.40-P-0001-01A

New tightening torques incorporated

*BA46.40-P-1002-01A


Track rod

Number

Designation
Model 210

BA46.40-P-1002-01A
Self-locking nut, track rod to steering

knuckle
yellow
Nm
60

silver or blue
Nm
70


Track rod

Number

Designation
Model 163

BA46.40-P-1001-01C
Self-locking nut, track rod to steering knuckle
Nm
55

140 589 00 63 00

Thrust piece

Puller

202 589 02 33 00

P46.40-0240-01

Pushing off

1
Remove self-locking nut of track rod joint.

2
Fit thrust piece (045).

3
Use puller (044) to press off track rod joint (10a).

4
Remove puller and thrust piece.

Install
5
Clean conical joint.

6
Install new self-locking nut and tighten

. Counter ball head with an Allen wrench if

necessary.

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AR46.40-P-0200GH
Removing and installing tie rod
12.3.97

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

P46.40-0262-12

10
Tie rod

10a
Tie rod joint

10i
Clamping nut

Modification notes
10.9.03

Reference to adjusting toe on front axle replaced by

reference to chassis alignment check
Step 5

Removing, installing

Danger!

Risk of fatal injury
if the vehicle slips or

topples off the lifting platform
Align vehicle between the columns of the

lifting platform and position the four support

plates
at the lifting platform support points

specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

Notes on self-locking bolts and nuts

AH00.00-N-0001-01A

1
Remove front wheel

e

Removing and fitting wheels

AP40.10-P-4050GH

2
Press tie rod joint (10a) off steering knuckle

AR46.40-P-0200-02C

Installation:
Replace self-locking nut.


*BA46.40-P-1001-01C

Thrust piece

*140589006300

Puller

*202589023300

3
Slacken clamping nut (10i) and unscrew tie

rod (10)

Counter tie rod (arrow).


Installation:
On vehicles with speed-

sensitive power steering the tie rod is marked

with a "P". These tie rods are approx. 4 mm

shorter.


*BA46.40-P-1002-01C

4
Install in the reverse order

5
Check toe on front axle and adjust if necessary
See:
#

Performing chassis alignment check

AR40.20-P-0200A


Tie rod

Number

Designation
Model 163

BA46.40-P-1001-01C
Self-locking nut, tie rod to steering knuckle
Nm
55

BA46.40-P-1002-01C
Clamping nut, tie rod to inner tie rod
Nm
50

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AP46.00-P-4653GH
Checking tie rod and drag link joints for play and checking rubber boots
3.5.00

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

P46.40-0213-01

1g
Bellows

1h
Inner clamping ring

1i
Outer clamping ring

10
Tie rod

10i
Lock nut

10l
Tie rod end

P46.40-0212-01

1
Ignition
OFF


Checking

2
Check bellows (1g) by visual inspection as

follows:

- Jack up vehicle at front axle

- Stretch bellows by turning the steering to the

left and right while checking for damage

(cracks, chafe marks and dents)

Never check the bellows (1g) by pushing

in or bending the folds as this causes damage

to the plastic and leads to leaks in the long

term.

If necessary:
#
f

Replace bellows

AR46.40-P-0400GH

3
Check tie rod (10) for play

Check tie rod joints by pulling and pushing

firmly.

If necessary:
#
f

Replace track rods

AR46.40-P-0200GH

4
Check rubber boot of outer joint for leaks and

condition

If a rubber boot is leaking, replace tie rod

joint.

If necessary:
#
f

Replace track rods

AR46.40-P-0200GH

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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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3
Features
This telephone system is fully integrated with your Mercedes-Benz audio system and steering wheel switches
*
. You can
scroll through the first 99 entries in your phone book and access the entire phone number memory; place, receive, and
terminate calls; change volume; and view call status (such as Ready, Dialing, Incoming Call, Call Active, No Service, Redial,
etc.). Because exact phone features are dependent on the particular audio system installed in your vehicle, detailed oper-
ation is covered in your audio system manual. Please refer to it.
Notes:
• In order for your Mercedes-Benz volume controls to work in conjunction with your Motorola phone (to change ringer
volume or adjust call volume), the vehicle must have either the engine running or the ignition key turned clockwise
to the last position before starting the engine.
• Your phone includes many new features that take additional time to initialize, resulting in increased power up/down
time. Please wait until the phone is completely powered up before using any feature from both the radio and phone
controls.
Finding Information on Phone Features
Your new Mercedes-Benz telephone operates in two modes:
•
Vehicular Mode
—when the phone is inserted and snapped into the privacy cradle in the vehicle
•
Portable Mode
—when the phone is operating as a stand alone device (NOT inserted and snapped into the privacy
cradle in the vehicle)
Most features of your new Mercedes-Benz telephone are available in both modes.
This guide contains basic information on using your phone in Vehicular Mode to place and receive calls.
* Not available on all models.

8
Placing a Call Using Hands Free Operation
Hands Free operation allows you to use the phone while it is docked in the cradle. The phone audio is projected through
your vehicle’s audio system speakers. The Hands Free microphone allows both driver and passenger to engage in the con-
versation.
Step

11 1 1

Prepare the phone for Hands Free use:
• Dock the phone. (See “Switching into Vehicular Mode” on page 5.)
• Ensure the flip is closed.
22 2 2

Dial the telephone number via the radio keypad or via voice command.
*
NN N N
oo o o
tt t t
ee e e
::: :

You can enter up to 32 digits.
* Not available on all models.
33 3 3

Press Send on the radio keypad or steering wheel, or speak the voice command: “Dial.”
*
If the network is busy, you hear a fast busy signal. Your phone automatically redials over the next four minutes. When the call
goes through, your phone rings one time and connects the call.
44 4 4

Begin your conversation.
55 5 5

To end the call, press the End key on the radio keypad, steering wheel, or voice activation stalk.
*

9
Placing a Call Using Handset Operation
In handset operation, the cellular phone remains in the cradle, but the cradle is removed from the holder and the phone is
held to your ear with the flip open. In this mode, passengers in the vehicle are prevented from hearing the person on the
other end of the call.
Step

11 1 1

With the phone properly docked, dial the number you are calling.
NN N N
oo o o
tt t t
ee e e
::: :

You may also dial the number with the phone out of the cradle.
If your audio system is on when you make a call, it automatically mutes to allow the person you are calling to be heard.
22 2 2

Press the Send button on the phone, radio keypad, or steering wheel
*
to initiate the call.
* Not available on all models.
33 3 3

Remove the phone and cradle from the holder, lift the phone to your ear, and begin your conversation.
NN N N
oo o o
tt t t
ee e e
::: :

Your phone will display the In Use icon while the call is active.
44 4 4

When you are finished with the call, press
O

on the phone, head unit, or steering wheel.

10
Answering a Call Using Hands Free Operation
NN N N
oo o o
tt t t
ee e e
::: :

If your phone is set to silent mode while it is docked, you will not hear a hands free ring tone when you receive a call.
Answering a Call Using Privacy Mode
Step

11 1 1

Prepare the phone for Hands Free use:
aa a a

Close the flip on the phone.
bb b b

Dock the phone. (See “Switching into Vehicular Mode” on page 5.)
22 2 2

Press Send on the radio keypad or steering wheel
*
to answer the call.
* Not available on all models.
33 3 3

Speak clearly in order for the Hands Free microphone to deliver your conversation.
44 4 4

After you finish your conversation, end the call by pressing the End key on the radio keypad or steering wheel.
*
Step

11 1 1

Remove the cradle from the holder.
22 2 2

Open the flip on your phone.
33 3 3

Lift the phone to your ear.
44 4 4

Begin speaking.