1997 MERCEDES-BENZ ML320 horn

23 At a glance
Cockpit
Item
Page
1
Hood lock release
217
2
Parking brake pedal
53
3
Parking brake release
53
4
Left cup holder
166
5
Combination switch

Exterior lights


High beam


Turn signals
49
6
Cruise control lever
150
7
Instrument cluster
116
8
Hazard warning flasher
switch
112
9
Lever for voice control
system*, see separate
operating instructions
Item
Page
a
Windshield wiper / washer
switch
49
b
Front Parktronic* warning
indicator
155
c
Glove box
164
d
Right cup holder
166
e
Storage compartment
f
Electrical outlet
170
g
Horn
h
Headlamp washer button*
131
j
Steering lock with ignition
33
k
Steering wheel lever
39

2001 MERCEDES-BENZ
ML320 & ML430
BUZZERS, RELAYS & TIMERS
BUZZERS, RELAYS & TIMERS LOCATION
ComponentComponent Location
Alarm Horn RelayIn left side of engine compartment, in fuse & relay
box.
Blower Motor RelayIn left side of engine compartment, in fuse & relay
box.
Central Locking (All Doors Lock Relay)In left side of engine compartment, in fuse & relay
box.
Central Locking (Left Front Door & Fuel Filler Flap
Unlock Relay)In left side of engine compartment, in fuse & relay
box.
Central Locking (Right Front Door & Rear Doors
Unlock Relay)In left side of engine compartment, in fuse & relay
box.
Central Locking (Tailgate Unlock Relay)In left side of engine compartment, in fuse & relay
box.
Circuit 15 RelayIn left side of engine compartment, in fuse & relay
box.
Circuit 15 RelayIn right front footwell fuse & relay box.
Circuit 15 Delayed RelayIn left side of engine compartment, in fuse & relay
box.
Circuit 58 RelayIn left side of engine compartment, in fuse & relay
box.
Circuit 58L Relay (W/ DRL)In left side of engine compartment, in fuse & relay
box.
Circuit 58R Relay (W/ DRL)In left side of engine compartment, in fuse & relay
box.
Circulation Pump RelayIn left side of engine compartment, in fuse & relay
box.
Convenience RelayIn left side of engine compartment, in fuse & relay
box.
Differential Lock Vacuum Pump RelayIn left side of engine compartment, in fuse & relay
box.
Engine Cooling Fan Stage 1 RelayIn left side of engine compartment, in fuse & relay
box.
ESP Stoplight Suppression RelayIn left side of engine compartment, in fuse & relay
box.
Front Foglight RelayIn left side of engine compartment, in fuse & relay
box.
Front Wiper Motor RelayIn left side of engine compartment, in fuse & relay

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
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Saturday, October 02, 2010 3:21:17 PMPage 1 © 2006 Mitchell Repair Information Company, LLC.
me
Saturday, October 02, 2010 3:21:20 PMPage 1 © 2006 Mitchell Repair Information Company, LLC.

CIRCUIT PROTECTION DEVICES
CIRCUIT PROTECTION DEVICES LOCATION
box.
Fuel Pump RelayIn left side of engine compartment, in fuse & relay
box.
Headlamp Cleaning System RelayIn right front footwell fuse & relay box.
Heated Rear Window RelayIn right front footwell fuse & relay box.
Heater RelayAt right kick panel.
Heater Relay (Stage 1)At right kick panel.
Heater Relay (Stage 2)At right kick panel.
High Pressure/Return Pump RelayIn left side of engine compartment, in fuse & relay
box.
Left Front Power Window RelayIn left side of engine compartment, in fuse & relay
box.
Left Turn Signal RelayIn left side of engine compartment, in fuse & relay
box.
Low Beam Headlamp Relay (W/ DRL)In left side of engine compartment, in fuse & relay
box.
Rear Foglight RelayIn left side of engine compartment, in fuse & relay
box.
Rear Wall Door Washer Pump RelayIn left side of engine compartment, in fuse & relay
box.
Rear Window Defroster RelayIn right front footwell fuse & relay box.
Right Front Power Window RelayIn left side of engine compartment, in fuse & relay
box.
Right Turn Signal RelayIn left side of engine compartment, in fuse & relay
box.
Seat Comfort RelayIn right front footwell fuse & relay box.
Seat Heater Relay (Stage 1)On underside of left/right front seat.
Seat Heater Relay (Stage 2)On underside of left/right front seat.
Secondary Air Injection Pump RelayIn left side of engine compartment, in fuse & relay
box.
Starter RelayIn left side of engine compartment, in fuse & relay
box.
Two-Tone Horn RelayIn left side of engine compartment, in fuse & relay
box.
ComponentComponent Location
E-BoxIn left side of engine compartment.
Fuse & Relay BoxIn left side of engine compartment, in E-box. See
Fig. 1
.
Right Front Footwell Fuse & Relay BoxBelow right side of dash, behind kick panel. See

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
me
Saturday, October 02, 2010 3:21:17 PMPage 2 © 2006 Mitchell Repair Information Company, LLC.

MISCELLANEOUS
MISCELLANEOUS LOCATION
CONNECTORS
CONNECTORS LOCATION
Parking Brake SwitchOn parking brake support bracket.
Passenger's Seat Belt SwitchIn passenger's seat belt buckle.
Release Switch (BAS)Integral to brake booster.
Right Front Seat Belt Buckle SwitchIn passenger's seat belt buckle.
Rotary Tumbler Trunk Lid MicroswitchPart of tailgate latch assembly.
Stoplight SwitchOn brake pedal support.
ComponentComponent Location
Alarm HornIn left rear corner of engine compartment.
Alarm Siren W/ Auxiliary BatteryIn left rear corner of engine compartment.
Antenna Coil (Left)At left side of rear window, behind trim.
Antenna Coil (Right)At right side of rear window, behind trim.
Antenna SplitterOn right side of liftgate.
Audio AmplifierBehind left side of dash.
Blower Motor Preresistor GroupUnder right side of dash, in blower assembly.
Data Link Connector (DLC)Below left side of dash.
Diagnostic Module (OBD II) Scan Tool ConnectorBelow left side of dash.
Driver's ETR SquibOn base of left "B" pillar, behind trim.
FM/AM AmplifierIn liftgate, behind trim.
Front Passenger ETR SquibOn base of right "B" pillar, behind trim.
Garage Door TransmitterOn front center of roof.
Hands-Free MicrophoneOn front center of roof.
Low Beam Headlight Relay Shorting ClipIn left side of engine compartment, in fuse & relay
box.
Recirculated Air Flap ElementBehind right side of dash.
Transponder CoilTop right side of steering column, on ignition
switch.
ComponentComponent Location
X2/4 (Black, 2-Pin)Behind radio.
X11/4 (Black, 16-Pin)Below left side of dash.
X18 (Red, 28-Pin)Behind center of dash.
X18/1 (Black, 9-Pin)Under tailgate trim.
X18/A_B (Black, 16-Pin)At right kick panel.
X18/2 (1) (White, 10-Pin)At left rear of engine compartment.
X18/2 (2) (4-Pin)At left rear of engine compartment, in E-box.

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
me
Saturday, October 02, 2010 3:21:17 PMPage 6 © 2006 Mitchell Repair Information Company, LLC.

COMPONENT LOCATION GRAPHICS
Z54/10In headliner harness, in breakout for W7.
Z55/1In tailgate harness, near breakout to tailgate CL
actuating motor, rear wiper motor & license plate
lights.
Z56/1Behind left headlight.
Z56/2Behind left headlight.
Z56/4Behind left headlight.
Z56/5Behind left headlight.
Z56/6Behind left headlight.
Z56/7In breakout to fanfare horns.
Z57/1Behind right headlight.
Z57/2In E-box.
Z57/3In right engine harness, near breakout to wiper
motor.
Z57/7In E-box.
Z58/1In trailer harness.
Z58/8In trailer harness.
Z59/1In door mounted spare tire harness.
Z59/2In door mounted spare tire harness.
Z59/3In left/right door harness.
Z59/4In left/right rear door harness.
Z60/4In foglight harness.
Z60/5In foglight harness.
Z61In dash harness, near breakout to parking brake
switch.
Z61/5Under center console, near breakout for lower
control field control module connector C3.
Z61/6Under center console, near breakout for lower
control field control module connector C3.
Z87/17Behind radio.
Z87/18Behind radio.
Z99/6In motor harness, in E-box.
Z99/7In motor harness, in E-box.
NOTE: Figures may show multiple component locations. Refer to appropriate table for
proper figure references.

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
me
Saturday, October 02, 2010 3:21:17 PMPage 12 © 2006 Mitchell Repair Information Company, LLC.

brake hoses *BA42.10-P-1001-04A
Ring wrench socketFig. 5
5Unbolt propeller shaft at
flange on front axle
transmission *BA41.20-P-1001-01A
6Remove left and right
front springs AR32.20-P-0200GH
7.1Remove lower engine
compartment panelingModel
163.157 /172 /174 /175AR61.20-P-1105GH
Model 163.113/ 128AR94.30-P-5400GH
8Detach torsion bar (28) at
vehicle frame *BA32.20-P-1001-02G
9Detach upper transverse
control arm (6) from
vehicle frame Installation: Tighten
new nuts slightly. Tighten
bolt fully only when
vehicle is on its wheels and
ready to drive.
*BA33.20-P-1006-01D
10Detach bracket for oil
lines from transmission to
oil cooler on front axle
carrier
11Unclip brake line at rear
of front-axle
crossmember
12.1Remove vehicle level
controller connecting rod
(95b) at lower transverse
control arm on right Vehicles with xenon
headlamps.
13Extract fluid from power
steering pump reservoir Hand pumpFig. 6
14Turn steering wheel to
center position (front
wheels in straight-ahead
position) and secureThe steering wheel must
not be turned when the
steering coupling has been
removed. This will damage
the fanfare horns and airbag
clock spring contact
beyond repair.
Remove ignition key
and turn steering wheel so
that it locks.
15.1Detach plug-in connector
for speed-sensitive power
steering to timing case Vehicles with speed-
sensitive power steering
only.

2001 Mercedes-Benz ML320
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis
me
Saturday, October 02, 2010 3:38:21 PMPage 5 © 2006 Mitchell Repair Information Company, LLC.

Elf Super Sporti
XJ XX Total Lubrifiants, Paris
la Defense Cedex,
France
Elf Turbo
Diesel X X Total Lubrifiants, Paris
la Defense Cedex,
France
EMKA Ecomax
DLE 10W-40 X EMKA Schmiertechnik
GmbH, Heilbronn,
Germany
EMKA
Supergrade LL X EMKA Schmiertechnik
GmbH, Heilbronn,
Germany
EMKA
Supergrade LL-
X 10W-40 X EMKA Schmiertechnik
GmbH, Heilbronn,
Germany
EmoSynt XEggert Mineraloel AG,
Elmshorn, Germany
EmoTron LL X Eggert Mineraloel AG,
Elmshorn, Germany
Eneos M Euro-
Touring X Nippon Oil
Corporation, Tokyo,
Japan
Energosint 2001 X Energoinvest-
Proizvodnja Maziva
ddo, Sarajevo, Bosnia-
Herzegovina
Engen
Dieselube 3000
Super X Engen Petroleum Ltd.,
Cape Town, South
Africa
Engen Formula
SP X Engen Petroleum Ltd.,
Cape Town, South
Africa
Engen Super
15W-40 X Engen Petroleum Ltd.,
Cape Town, South
Africa
Engen Super
20W-50 X Engen Petroleum Ltd.,
Cape Town, South
Africa
ENOC Protec
Ultra X X ENOC International
Sales L.L.C.,
Dubai/United Arab
Emirates
ESA Multilub
2004 X ESA, Burgdorf,
Switzerland
ESA Syntolub X ESA, Burgdorf,

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:55 PMPage 471 © 2006 Mitchell Repair Information Company, LLC.

P 718K ZB FAHRERTUER ALUMINIUM
P 718L NIEDERLAENDISCHE ANTILLEN
T 718L NL ANTILLEN
P 718P SAF II TYP W164 E50-040
P 719 SKD-FAHRZEUGE - INDONESIEN
T 7193 LACKFARBE MOOSGRAU MB 7193
T 7194 LACKFARBE MAUSGRAU MB 7194
P 719K ZB KLIMAKASTEN KOMPAKT
T 719L ST. PIERRE U. MOQUELON
P 719L ST. PIERRE UND MIQUELON
P 719P SAF II TYP W164 DE30-041
P 720K ZB RAD 205/55 R16 AUF 7,0J X 16
T 720L ST. MAARTEN
P 720L ST. MAARTAN NL ANTILLEN
P 720P SAF II TYP W164 E50-042
P 721K ZB RAD 205/60 R16 AUF 7,0J X 16
P 721L CURACAO NL ANTILLEN
T 721L NIEDERL.ANTILLEN (CURACAO)
P 721O ONYXGRAU - METALLICLACK
P 721P SAF II TYP W164 E35-043
P 721U ONYXGRAU - METALLICLACK
P 722 GEPAECKBRUECKE INTEGRIERT
T 7224 LACKFARBE GRAPHITGRAU MB 7224
P 722K ZB RAD 215/55 R16 AUF 7,0J X 16
P 722L ARUBA NL ANTILLEN
T 722L ARUBA
P 722P SAF II TYP W164 DE30-044
P 723 GEPAECKRAUMABDECKUNG
P 723K ZB RAD 215/55 R16 AUF 7,5J X 16
P 723L COSTA RICA
T 723L COSTA RICA
P 723P SAF II TYP W164 E50-045
P 723U CUBANITSILBER - METALLICLACK
P 724 LADEGUTBEFESTIGUNG
P 724K ZB RAD 225/45 R17 AUF 7,5J X 17
T 724L JUNGFERNINSELN BRITISCH
P 724L BRITISCHE JUNGFERNINSELN
P 724P SAF II TYP W164 E35-046
P 725K ZB RAD 225/50 R16 AUF 7,0J X 16
P 725L DOMINIKANISCHE REPUBLIK
T 725L DOMINIKANISCHE REPUBLIK
P 725O HIMALAYAS GREY DARK - METALLICLACK
P 725P SAF II TYP W164 E50-047
P 725U HIMALAYAS GREY DARK - METALLICLACK
P 726 VORRUESTUNG FUER DACHTRAEGER - SYSTEM
P 726A STOFF SCHWARZ-GRUEN
P 726K ZB RAD 225/50 R16 AUF 8,0J X 16
P 726P SAF II TYP W164 E35-048
P 727A STOFF SCHWARZ-KUPFER
P 727K ZB RAD 225/55 R16 AUF 7,5J X 16
P 727L GUATEMALA
T 727L GUATEMALA
P 727P SAF II TYP W164 E35-049
P 728A STOFF SCHWARZ-GRAU
P 728K ZB RAD 225/55 R17 AUF 7,0J X 17
P 728P SAF II TYP W164 DE30-050
P 729 HOLZAUSFUEHRUNG PAPPEL
P 729K ZB RAD 235/40 R18 AUF 8,0J X 18
T 729L HAITI REPUBLIK
P 729L HAITI
P 730 HOLZAUSFUEHRUNG AHORN
T 7300 LACKFARBE ALASKAGRAU MB 7300
T 7303 LACKFARBE ZEMENTGRAU MB 7303
T 7305 LACKFARBE LICHTGRAU MB 7305
T 7306 LACKFARBE OLIVGRAU (AEHNLICH RAL 7002) MB 7306