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  
Saturday, October 02, 2010 3:30:10 PMPage 322 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        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  
Saturday, October 02, 2010 3:30:10 PMPage 323 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        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  
Saturday, October 02, 2010 3:30:10 PMPage 324 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        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  
Saturday, October 02, 2010 3:30:10 PMPage 325 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        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  
Saturday, October 02, 2010 3:30:10 PMPage 326 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        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  
me  
Saturday, October 02, 2010 3:30:10 PMPage 327 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        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.