Page 1817 of 4133

Front seats
Seat belts/emergency tensioning retractors
MAINTENANCE
CHECK SETTING OF HIGH BEAM - AP82.10-P-8260-02A
1. The light focal point should be located on the relevant central mark (6). In the event of a deviation: Check
seat of bulb.
Fig. 221: Identifying Central Mark
SET OR INSPECT FOG LAMPS - AP82.10-P-8260-04A
1. The light-dark boundary must be as horizontal as possible at the height of the appropriate dividing line
(4), correct if necessary.
2. For model 140 sedan as of approx. 03.94, 168 and 202: Check seat of bulb.
10.2Install E-call control
module (A35/8) with
bracket Only with emergency call
system E-Call, code 349.AR82.95-P-0008GH
*BA91.10-P-1001-01B
*BA91.40-P-1001-01D
11Install center console AR68.20-P-2000GH
12Install radio (A2) AR82.60-P-7502EA
NumberDesignationModel Series 163
BA91.10-P-1001-01BBolt of seating mounting
bracket to vehicle floorNm40
NumberDesignation
Model 163 up to
08/99Model 163 as of
09/99
BA91.40-P-1001-
01DScrew on belt end
fittingNm3535
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
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Page 1818 of 4133
Fig. 222: Identifying Dividing Line
Model 163.113 /154#A as of 289565, 163.113 #X as of 754620, 163.128 /154 /157 /175 except CODE (U49)
Styling package
Fig. 223: Locating Adjusting Screw Position
CHECK AND CORRECT HEADLAMP ADJUSTMENT - AP82.10-P-8260GH
MODEL 163
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
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Page 1819 of 4133

Fig. 224: Checking Headlamp Adjustment
Check
1Drive vehicle to level
surfaceThe 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)
2Align headlamp
adjustment tester to
vehicle and adjust height
according to marking in
lens
Follow the operating
instructions for headlamp
beam setting equipment
exactly*WE58.40-Z-1006-19A
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 runsSecure 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
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
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Page 1820 of 4133
Workshop equipment
WINDSHIELD WASHER - CHECKING AND CORRECTING FLUID LEVEL - AP82.35-P-8210GH
MODEL 163
Windshield washer fluid reservoir
Fig. 225: Locating Windshield Washer Fluid Reservoir
3Run engine and switch on
low beam
4Check headlamp range
control for proper
function(except USA)
The light beams from
both headlamps should
change uniformly
5Set headlamp range
control switch to position
0
6Check low beamsAdjust if necessary
(except USA)
Due to the common
reflector unit, the low
beams, high beams and
fog lamps are adjusted
simultaneously.
US version: ?
See "Owner's Manual"AP82.10-P-8260-01A
7Check high beam
adjustment AP82.10-P-8260-02A
8Check fog lamps AP82.10-P-8260-04A
WE58.40-Z-1006-19AHeadlamp adjustment testing unit
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
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Page 1821 of 4133

WINDSHIELD WIPERS, WINDSHIELD WASHER SYSTEM - OPERATIONAL INSPECTION - AP82.35-P-8252GH
MODEL 163
Modification notes
RETROFITTING & CONVERSION
RETROFITTING WIRING HARNESS - AN82.61-P-0001-01H
Model 163 with automatic transmission
1. Prepare adapter wirin
g harness (4) as shown in figure.
Checking
1Check fluid level in
windshield washer fluid
reservoir and adjust to
correct level
See table on packaging
for mixing ratio MB
windshield washer fluid
concentrate conforming
to Specifications for
Service Products sheet
371.
12.1.05Check wiper blades,
deletedStep 2
Check
1Check operation of spray
nozzles Use a suitable needle
to clean blocked spray
nozzles from the outside
2Check setting of wiper
arms The end of the wiper
arm must be parallel with
the windshield. If
necessary correct the
stagger of the wiper arm
accordingly.
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
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Page 1822 of 4133
Fig. 226: Identifying Retrofitting Wiring Harness - Prepare Adapter Wiring Harness
2. Route wiring harness (4) along existing leads in vehicle as shown in figure.
Fig. 227: Identifying Retrofitting Wiring Harness
- Route Wiring Harness Along Existing Leads In
Vehicle
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
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Page 1823 of 4133
3. Connect adapter wiring harness (4) to standard wiring harness and radio and navigation operating unit
(A2/29) with radio mating connector (7).
Fig. 228: Identifying Adapter Wiring Harness, Radio And Navigation Operating Unit And Radio
Mating Connector
4. Connect black 10-pin connector (C) to radio and navigation operating unit (A2/29).
5. Connect GPS antenna lead (41) as shown in figure.
Fig. 229: Identifying 10
-Pin Connector, Radio And Navigation Operating Unit, GPS Antenna Lead
And Green Back-Up Lamp Signal Lead
6. Route tie-out to CAN bus adapter (5) from adapter wiring harness (5) to center tunnel at rear.
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:10 PMPage 328 © 2006 Mitchell Repair Information Company, LLC.
Page 1824 of 4133
Fig. 230: Identifying CAN Bus Adapter And Adapter Wiring Harness
7. Position CAN bus adapter mount on st rut of center console and mark hole pattern (arrows) as shown in
figure.
8. Drill 6.2 mm dia. mounting holes.
Fig. 231: Locating Hole Pattern
9. Fasten CAN bus adapter (5) with self-tappi ng screws from CAN bus adapter parts kit.
Fig. 232: Identifying CAN Bus Adapter
10. Install white (ws) and blue (bl) fuse on transfer case control module (N78) from CAN bus wiring harness
(9) as shown in figure.
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:10 PMPage 329 © 2006 Mitchell Repair Information Company, LLC.