Page 1753 of 4133

REMOVE/INSTALL XENON HEADLAMP CONTROL UNIT - AR82.10-P-4632GH
MODEL 163.113 #X up to 754619, 163.113 /154 #A up to 289564, 163.172 with CODE (612) Xenon
UV light, hot
components on xenon
headlamps and glass
splinters when xenon
bulbs burst
Risk of poisoning
through inhalation of
mercury vapor and
swallowing of or skin
contact with toxic salts
and mercury compoundsprotective gloves. Remove
highly inflammable
materials from the hazard
area. Ensure that the
workplace is sufficiently
ventilated.
1Remove left front lamp
unit (E1) or right front
lamp unit (E2) AR82.10-P-4730GH
2Remove cover from rear
of lamp unit
3Turn left headlamp range
adjustment motor
(E1m1) or right
headlamp range
adjustment motor
(E2m1) to right and
remove from left front
lamp unit (E1) or right
front lamp unit (E2) Left side: 1/4 clockwise
rotation. Right side: 1/4
counterclockwise rotation.
4Unhook adjusting
support and remove left
headlamp range
adjustment motor
(E1m1) or right
headlamp range
adjustment (E2m1)
5Install in the reverse
order
6Set headlamps to zero
position using STAR
DIAGNOSIS
7Inspect headlamp
adjustment, correct if
necessary.
Check and correct
headlamp adjustment AP82.10-P-8260GH
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:09 PMPage 258 © 2006 Mitchell Repair Information Company, LLC.
Page 1754 of 4133

headlamp unit
MODEL 163.174 #A up to 289564
Fig. 159: Identifying Xenon Headlamp Control Unit Components
Remove/install
Risk of death caused by
high voltage levels
present at xenon
headlamps.
Risk of explosion/fire
hazard through highly
flammable material in
the area of damaged
xenon bulbs.
Risk of injury through
UV light, hot
components on xenon
headlamps and glass
splinters when xenon
bulbs burst.
Risk of poisoning
through inhalation of
mercury vapor and Do not come into contact
with parts that are under
high voltage. Persons with
active electronic implants
(e.g. heart pacemakers) must
never work on xenon
headlamps. Switch off
complete lighting system.
Wear insulating safety
shoes, safety glasses and
protective gloves. Remove
highly inflammable
materials from the hazard
area. Ensure that the
workplace is sufficiently
ventilated.AS82.10-Z-0001-01A
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:09 PMPage 259 © 2006 Mitchell Repair Information Company, LLC.
Page 1755 of 4133

Fig. 160: Identifying Long Wedge (115 589 03 59 00)
REMOVE/INSTALL XENON HEADLAMP CONTROL UNIT - AR82.10-P-4632GI
MODEL 163.113 #X as of 754620, 163.113 /154 /174 #A as of 289565, 163.128/157/175
swallowing of or skin
contact with toxic salts
and mercury compounds.
1Remove left front lamp
unit (E1) or right front
lamp unit (E2) AR82.10-P-4730GH
2Remove cover from rear
of lamp unit
3Detach plug (1, 2) on
xenon headlamp control
unit(E1n1, E2n1)Turn connector 1/4U turn
counterclockwise.
4Remove xenon headlamp
control unit (E1n1,
E2n1) Carefully press control
unit off of mount using long
wedge
Long wedgeFig. 155
5Install in the reverse
order
6Set headlamps to zero
position using STAR
DIAGNOSIS
7Inspect headlamp
adjustment, correct if
necessary.
Check and correct
headlamp adjustment AP82.10-P-8260GH
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:09 PMPage 260 © 2006 Mitchell Repair Information Company, LLC.
Page 1756 of 4133

Fig. 161: Identifying Xenon Headlamp Control Unit Components
Remove/install
Risk of death caused by
high voltage levels
present at xenon
headlamps.
Risk of explosion/fire
hazard through highly
flammable material in the
area of damaged xenon
bulbs.
Risk of injury through
UV light, hot components
on xenon headlamps and
glass splinters when
xenon bulbs burst.
Risk of poisoning
through inhalation of
mercury vapor and
swallowing of or skin
contact with toxic salts
and mercury compounds.Do not come into contact
with parts that are under
high voltage. Persons
with active electronic
implants (e.g. heart
pacemakers) must never
work on xenon
headlamps. Switch off
complete lighting system.
Wear insulating safety
shoes, safety glasses and
protective gloves.
Remove highly
inflammable materials
from the hazard area.
Ensure that the
workplace is sufficiently
ventilated.AS82.10-Z-0001-01A
1Remove left front lamp
unit (E1) or right front AR82.10-P-4730GH
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:09 PMPage 261 © 2006 Mitchell Repair Information Company, LLC.
Page 1757 of 4133
REMOVE/INSTALL TURN SIGNAL LAMPS - AR82.10-P-4725GH
MODELS 163.113 /154 /174 #A as of 289565, 163.113 #X as of 754620, 163.128/157/175
Turn signal lamp in exterior mirror
Fig. 162: Identifying Turn Signal Lamp Components
lamp unit
2Place headlamp in
inverted position on
workbenchPlace on a soft base so
that the headlamp lens is
not scratched.
3Remove bolts (1) 3 each.
4Remove Xenon headlamp
control unit Is unplugged
automatically when
removed.
5Install in the reverse order
6Set headlamps to zero
position using STAR
DIAGNOSIS
7Inspect headlamp
adjustment, correct if
necessary.
Check and correct
headlamp adjustment AP82.10-P-8260GH
Remove/install
1Remove exterior mirror AR88.70-P-9040GI
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:09 PMPage 262 © 2006 Mitchell Repair Information Company, LLC.
Page 1758 of 4133
REMOVE/INSTALL HEADLAMP UNIT - AR82.10-P-4730GH
MODEL 163.113 /128 /136 /154 /157 /172 /174 /175
Fig. 163: Identifying Headlamp Unit Components
paneling (4)
2Unscrew screw (2) of turn
signal lamp (3) in the
exterior mirror paneling
(4)
3Remove turn signal lamp
(3) from the exterior
mirror paneling (4)
4Install in the reverse order
Remove/Install
1Open engine hood
2Unlock cover (1) at the
clip (arrow A) under the
lamp unit and unhook Installation: Lock
clip again.
3Unscrew screw (2)
4Unscrew nuts (3). Installation: Align
the lamp unit so that the
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:09 PMPage 263 © 2006 Mitchell Repair Information Company, LLC.
Page 1759 of 4133

INSTALLING AUXILIARY CABLE HARNESS ON SIDE WALL TAILLAMP - AR82.10-P-4920-01GH
Models 163.154/174 as of VINA289565 to VIN A371934, model 163.175 up to VIN A371934 with USA
version code 494a
1. Insert plug (1) of auxiliary cable harness (2) in socket (3) of side-marker lamp.
2. Insert the plug on the other end of the wiring harness in the free connection pins in the opening (4) of the
lamp support (5).
The brown line (ground) should be on the outside. Ensure that the plugs are completely pushed onto
the connection pins.
3. Seal the lines and opening (4) with a thermoplastic adhesive gun.
Give the adhesive sufficient time to dr
y before installing the taillamp.
distance of the cover to
the bumper is even.
5Unhook left front
headlamp unit (E1) or
right front headlamp unit
(E2) from the hole (arrow
B) using drift (4) and pull
forwards
6Disconnect headlamp
harness connector (X24)
7Remove headlamp unit
toward front
8Install in the reverse order
9Perform function check
10Check and correct
headlamp adjustment
Check and correct
headlamp adjustment AP82.10-P-8260GH
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:09 PMPage 264 © 2006 Mitchell Repair Information Company, LLC.
Page 1760 of 4133
Fig. 164: Identifying Auxiliary Cabl e Harness On Side Wall Taillamp
REMOVE/INSTALL SIDE WALL TAILLAMP - AR82.10-P-4920GH
MODEL 163
Fig. 165: Identifying Side Wall Taillamp
Remove/Install
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:09 PMPage 265 © 2006 Mitchell Repair Information Company, LLC.