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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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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
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Page 2146 of 4133

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
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Page 2617 of 4133
Fig. 2: Locating Fuse & Module Box F2
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
FUSE ASSIGNMENTS
Fuse & Relay Box F1 Fuse Assignments (Up-To-08/31/01)
For fuse locations, see Fig. 3 . For fuse assignments, see Fig. 4-Fig. 9.
2001 Mercedes-Benz ML320
2001-04 ELECTRICAL Fuses & Circuit Breakers - 163 Chassis
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Page 2629 of 4133
Fig. 9: Fuse Assignments Fuse & Relay Box F1 (6 Of 6)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fuse & Relay Box F1 Fuse Assignments (As-Of-09/01/01)
For fuse locations, see Fig. 3 . For fuse assignments, see Fig. 10-Fig. 14.
2001 Mercedes-Benz ML320
2001-04 ELECTRICAL Fuses & Circuit Breakers - 163 Chassis
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Page 2637 of 4133
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig. 14: Fuse Assignments Fuse & Relay Box F1 (5 Of 5)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fuse & Relay Box F2 Fuse Assignments
For fuse locations, see Fig. 15 . For fuse assignments, see Fig. 16.
2001 Mercedes-Benz ML320
2001-04 ELECTRICAL Fuses & Circuit Breakers - 163 Chassis
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Page 2638 of 4133
Fig. 15: Fuse Locations Fuse & Relay Box F2
2001 Mercedes-Benz ML320
2001-04 ELECTRICAL Fuses & Circuit Breakers - 163 Chassis
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Page 2641 of 4133
Fig. 16: Fuse Assignments Fuse & Relay Box F2
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
RELAY ASSIGNMENTS
Fuse & Relay Box F1 Relay Assignments (Up-To-08/31/01)
For relay locations, see Fig. 3 . For relay assignments, see Fig. 17.
2001 Mercedes-Benz ML320
2001-04 ELECTRICAL Fuses & Circuit Breakers - 163 Chassis
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