1997 MERCEDES-BENZ ML500 headlamp

AP82.10-P-8260GH
Check and correct headlamp adjustment
2.7.97

MODEL
163

a=Marking for low beams

b=Marking for high beams

c=Marking for fog lamps

P82.10-0212-02


Check

1
Drive vehicle to level surface
The vehicle level must not change when the

brakes are applied.

Vehicle must be in ready-for-the-road

condition (unladen weight, fuel tank full or

proper additional weight).

Correctly adjust tire pressure.

Load driver's seat with 75 kg or a person

(except USA)

2
Align headlamp adjustment tester to vehicle

and adjust height according to marking in lens

Follow the operating instructions for

headlamp beam setting equipment exactly

*WH58.30-Z-1002-09A


Danger!

Risk of accident
from vehicle starting off by

itself when engine running.
Risk of injury


suffered in the form of bruises or burns to the

hands when reaching in while the engine

cranks or runs
Secure vehicle to prevent it from moving off

by itself.

Wear closed and close-fitting work clothes.

Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

3
Run engine and switch on low beam

4
Check headlamp range control for proper

function
(except USA)


The light beams from both headlamps should

change uniformly

5
Set headlamp range control switch to position 0

6
Check low beams
Adjust if necessary (except USA)

AP82.10-P-8260-01A


Due to the common reflector unit, the low

beams, high beams and fog lamps are

adjusted simultaneously.

US version:
#

See "Owner's Manual"

7
Check high beam adjustment

AP82.10-P-8260-02A

8
Check fog lamps

AP82.10-P-8260-04A

Commercially available tools
(see Workshop Equipment Manual)

Number

Designation
Make (e.g.)
Order number

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Page 1

WH58.30-Z-1002-09A
Headlamp adjuster
Robert Bosch GmbH

Franz Oechsle Str. 4

D-73207 Plochingen,

Germany

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15
Adjust gap dimensions
Gap dimensions

*BE60.00-P-1001-01D

Feeler gage

*129589032100

16
Align engine hood catch upper section (5)

centered in longitudinal and transverse
direction to engine hood catch lower section

and tighten


*BA88.40-P-1004-01C

17
Ensure that engine hood catch catches

properly

For this purpose, close engine hood and

pull upward with a jerk.

18
Release engine hood and ensure that safety

hook catches on radiator crossmember

19
Close engine hood (2)

Test and adjustment values, gap dimensions at hoods, doors and covers

Number

Designation
Model 163

BE60.00-P-1001-01D
Gap

dimension
Engine hood to fender
Dimension "A"
mm
5.0 (
F
0.5)

Engine hood to headlamp
Dimension "R"

mm
5.0 (
F
0.5)

Engine hood to radiator grille

Dimension "O"

mm
5.0 (
F
0.5)

Radiator grill to headlamp
Dimension "N"

mm
-

Fig., see
AR60.00-P-0700-

01GH


Engine hood

Number

Designation
Model 163

BA88.40-P-1001-01C
Bolt, engine hood hinge on engine hood
Nm
10

BA88.40-P-1002-01C
Nut, engine hood hinge to body
Nm
18

BA88.40-P-1004-01C
Bolt, engine hood catch upper section to engine

hood
Nm
12

129 589 03 21 00

Feeler gage

Auxiliary repair materials

Number

Designation
Order number

BR00.45-Z-1004-01A
MB body sealant for sealing seams (suitable for painting)
001 989 63 20

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15
Adjust gap dimensions
Gap dimensions

*BE60.00-P-1001-01D

Feeler gage

*129589032100

16
Align engine hood catch upper section (5)

centered in longitudinal and transverse
direction to engine hood catch lower section

and tighten


*BA88.40-P-1004-01C

17
Ensure that engine hood catch catches

properly

For this purpose, close engine hood and

pull upward with a jerk.

18
Release engine hood and ensure that safety

hook catches on radiator crossmember

19
Close engine hood (2)

Test and adjustment values, gap dimensions at hoods, doors and covers

Number

Designation
Model 163

BE60.00-P-1001-01D
Gap

dimension
Engine hood to fender
Dimension "A"
mm
5.0 (
F
0.5)

Engine hood to headlamp
Dimension "R"

mm
5.0 (
F
0.5)

Engine hood to radiator grille

Dimension "O"

mm
5.0 (
F
0.5)

Radiator grill to headlamp
Dimension "N"

mm
-

Fig., see
AR60.00-P-0700-

01GH


Engine hood

Number

Designation
Model 163

BA88.40-P-1001-01C
Bolt, engine hood hinge on engine hood
Nm
10

BA88.40-P-1002-01C
Nut, engine hood hinge to body
Nm
18

BA88.40-P-1004-01C
Bolt, engine hood catch upper section to engine

hood
Nm
12

129 589 03 21 00

Feeler gage

Auxiliary repair materials

Number

Designation
Order number

BR00.45-Z-1004-01A
MB body sealant for sealing seams (suitable for painting)
001 989 63 20

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7.1
Disconnect electrical connectors at the covers

12)

Only with left/right folding outside mirror,

code 500 and headlamp cleaning system,

code 600.

8
Unscrew screw (4) and disconnect connector

(9)

9
Unscrew screw (8) and remove cruise control

switch (S40)

10
Unscrew screws (5)

11
Pull combination switch (S4) off the retaining

webs (6) and remove

12
Install in the reverse order

13
Perform function check

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Page 2

AR20.20-P-3865HC
Remove/install the radiator
5.6.97

ENGINE
112.942 in MODEL 163.154

ENGINE
112.970 in MODEL 163.157

ENGINE
113.942 in MODEL 163.172

ENGINE
113.965 in MODEL 163.175

ENGINE
113.981 in MODEL 163.174

P20.20-2017-09

Shown on Model 163.154 with Engine 112

1
Viscous fan

2
Plate clamps of fan shroud

3
Fan shroud

4
Coolant line

5
Coolant line to expansion reservoir

6
Coolant line

7
Headlamps
17

Air deflector plate

18
Oil line (return line radiator

!
expansion

reservoir of power steering pump)

19
Oil line (feed line steering gear

!

radiator)

20
Fasteners

21
Damper rubber

8

Radiator crossmember

9
Rubber seal of radiator

10
ATF lines

11
Fan grille

12
Air guides

13
Clamps of air guides

14
Air conditioning system fluid reservoir

15
Radiator

16
Cover strips

Modification notes
23.3.00

Radiator with integral oil cooler for power steering pump
See step 5 and 16


Remove/install


External torx set

*001589760900


6 mm hexagon socket

*WH58.30-Z-1001-06A

7 mm hexagon socket

*WH58.30-Z-1002-06A

1.1
Remove air deflector plate (17)

Engine 113.942 only.

Danger!

Risk of injury
to skin and eyes from scalding

due to contact with hot coolant spray.
Risk of

poisoning
if coolant is swallowed.
Do not open cooling system unless coolant

temperature is below 90 °C. Open cap slowly

and release the pressure. Do not pour coolant

into beverage bottles.

Wear protective gloves, protective clothing

and eye protection.
AS20.00-Z-0001-01A

2
Drain the coolant at the radiator


To drain the coolant, detach coolant line

at the bottom of the radiator or at the coolant

pump.


Installation:
Replace the hose clamps on

the radiator fitting for the coolant hose, as

they could cause damage to the screw/thread. AR20.00-P-1142HA

Hose clamp

*BA20.20-P-1004-01A

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3.1
Remove viscous fan (1)

Engine 112.942 /970 and 113.942.

Right-hand thread!

AR20.40-P-5660C

3.2
Remove electric fan

Only Engine 113.965 /981.

AR20.40-P-5000GH
4.1
Pull off plate clamps of fan shroud (2)

Only for Engine 112.942, from 5/98.

5.1
Remove fan shroud (3)

Only for Engine 112.942 /970 und

113.942. Unscrew the bolts at bottom of fan

shroud for this step


Installation:
If installing a new radiator

with integral power steering pump oil cooler, a

new fan shroud is required if a radiator

without integral oil cooler was previously
installed.

6
Remove headlamp (7).

AR82.10-P-4730GH

7
Remove radiator crossmember (8)

AR62.30-P-2300GH

8
Detach coolant line (4, 6) and expansion

reservoir coolant line (5) at the radiator


Installation:
Replace the hose clamps on

the radiator fitting for the coolant hose, as

they could cause damage to the screw/thread.

Hose clamp

*BA20.20-P-1004-01A

9
Remove the rubber seal on radiator (9)

10.1
Remove oil line (return line of radiator
!

power steering pump expansion reservoir)

(18) and oil line (feed line of steering gear

!

radiator) (19)

From 5/98 only, seal off the connections.

Set of plugs

*129589009100

11
Unscrew ATF lines (10) at the radiator

Seal off the connections.


*BA20.20-P-1001-01A


*BA20.20-P-1003-01A

Set of plugs

*129589009100

12.1
Detach the connector from the fan and
remove the fan grille (11)

Only for Engine 112.942 /970 and 113.942.

13
Unscrew the condenser from the radiator
Do not disconnect the lines.

14
Remove fasteners (20) and damper rubber

(21)

The damper rubber (21) is designed to

prevent possible vibrations between the

condenser and radiator (15) during off-road

driving.

15
Remove air conditioning system fluid

reservoir (14) from the radiator

Place aside with the lines connected.

Detach the condenser from the radiator.

16
Remove radiator (15)

When installing, the spigots on the

radiator must be inserted in the rubber

grommets in the bottom crossmember.

Installation:
On Model 163.154 with

Engine 112.942 before VIN end number

043553, when installing a new radiator with

integral power steering pump oil cooler,

additional operations are required, if they

have not already been carried out:

#
v

Retrofit the bracket for the oil cooler line of

the power steering pump

SM46.30-P-0002A

k

Radiator with integral oil cooler for the power

steering pump

BT20.20-P-0001-01A

17
Detach air guides (12)

Replace the clamps on air guides (13).

18
Install in the reverse order

19
Pour in coolant

AR20.00-P-1142HA

20
Check the headlamp setting and correct if

necessary

e

Check and adjust the headlamp setting

AP82.10-P-8260GH

Danger!

Risk of accident
caused by vehicle starting

off when engine is running.
Risk of injury


caused by contusions and burns when

working in engine during starting procedure
Secure the vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.

Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

21
Check the oil level in the automatic

transmission and correct if necessary

AR27.00-P-0101A

22
Check the cooling system for leaks

AR20.00-P-1010HA


Radiator, coolant hoses

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13
Disconnect coolant hose to coolant pump (8),

coolant hose from thermostat housing (9) and

coolant hose from coolant expansion tank

(10) at radiator

Hexagon socket wrench

*WH58.30-Z-1001-06A

Hexagon socket wrench

*WH58.30-Z-1002-06A

14
Detach air guides (12)


Installation:
Replace fastening clamps

(13)

15
Unscrew bolts (16) at condenser (17) to

radiator

Avoid deformation of condenser lines.

Do not disconnect lines.

16
Remove attachment parts (20) and rubber

shock absorber (21)


Installation:
Ensure, that the rubber

shock absorbers do not drop when installing

the radiator.

Replace fastening clamps.

17
Take off fluid reservoir of AC (14) at radiator

Place to the side with lines connected.

External torx set

*001589760900

18
Remove bracket of charge air pipe at left

radiator

Installation:
Insert bracket of charge air

pipe into the bracket at the radiator.

19
Remove radiator (15)

Installation:
When installing, the mounting

studs of the radiator must be inserted into the

rubber grommets of the lower crossmember.

20
Install in the reverse order

21
Check headlamp adjustment, correct if

necessary

e

Check and correct headlamp adjustment

AP82.10-P-8260A

22
Inspect cooling system for leaks

AR20.00-P-1010HA

23
Fill power steering pump and bleed


Danger!

Risk of accident
caused by vehicle starting

off by itself when engine is running.
Risk of

injury
caused by contusions and burns when

working in engine during starting procedure
Secure vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.

Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

24
Run engine and inspect for leaks
Crankcase ventilation, cylinder head cover

Number

Designation
Engine

612.963

BA01.20-P-1002-01A
Bolt, cylinder head cover trim panel to

cylinder head cover
Nm
10

BA01.20-P-1003-01A
Bolt, cover panel to charge air distribution

pipe
Nm
10

Power steering pump

Number

Designation
Model

163.113

BA46.30-P-1012-01A
Banjo bolt, power steering oil line to radiator
Nm
30


Cooling system

Number

Designation
Engine

612.963

BF20.00-P-1001-02E
Cooling system
Total capacity
Liter
Y
11.0

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Page 3