1997-2005 Mercedes M-Classe (W163)
Mercedes-Benz ML-Class W163 with engine 2.3L ML230, 3.2L ML320, 3.7L ML350, 4.3L ML430, 5.0L ML500, 5.4L ML55 AMG and diesel 2.7L ML270 and 4.0L ML400 (1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005)
Engine Compartment Fuse Box (→08.31.2001)


| No. | A | Description |
|---|---|---|
| 1 | 15 | Interior socket |
| 2 | 7.5 | Instrument cluster: • Left front indicator lamp Left front lamp unit: • Left turn signal lamp Left left taillamp: • Left turn signal lamp Left auxiliary turn signal lamp Interior connector sleeve, circuit L • Trailer hitch connector |
| 3 | 15 | Right front lamp unit: • Right high beam |
| 4 | 30 | Supply of sliding/tilting roof (SHD) circuit 30: • Sliding/tilting roof motor (SHD) |
| 5 | 7.5 | Left front lamp unit: • Left high beam Instrument duster: • High beam indicator lamp |
| 6 | 7.5 | Rear-end door wiper motor |
| 7 | 15 | Combination switch: • Hazard flasher switch • Windshield washer system switch • Wipe switch Wiper motor Relay k17: Front wiper interval relay |
| 8 | 25 | Transfer case control unit |
| 9 | 7.5 | Instrument duster License plate illumination: • Left rear-end door license plate lamp / 3V right rear-end door license plate lamp • License plate lamp, left spare wheel carrier / license plate lamp, right spare wheel carrier Cockpit connector sleeve, circuit 58d: • Left vent window switch ( right vent window switch (light emitting diodes) • Left front SIH switch (right front SIH switch (light emitting diodes) • Heater/AC switch (light emitting diodes) • 2-way switch combination (light emitting diodes) • ESP OFF switch (light emitting diodes) • Outside mirror switch, folding in and out (light emitting diode) • Electric headlamp range adjustment selector (light emitting diode) • Rear window wipe/wash switch (light emitting diode) • Tlltlng/slidlng roof switch (light emitting diode) • Backup lamp switch • Illumination • Center console switch group |
| 10 | 10 | Radio (A2) Roof connector sleeve, arcuit 15R: • Left sun visor with Illuminated mirror • Right sun visor with illuminated mirror • Trip computer control unit • Automatic dimming Inside rearview mirror Front cigar lighter (with ashtray illumination) • Heating element Glove compartment lamp Instrument cluster: • Airbag Indicator and warning light |
| 11 | 10 | Hot-film mass air flow sensor Camshaft position sensor Fuel injection valves In the case of M111: • HFM control module |
| 12 | 7.5 | Interior connector sleeve, circuit 58L: • Trailer hitch connector • Left taillamp : • Left taillamp and parking lamp Left front lamp unit: • Left standing and parking lamp • Left slde-marker lamp |
| 13 | 10 | Roof connector sleeve, circuit 30: • Front dome lamp (with shut-off delay and front reading lamp) • Rear interior lamp • Dome lamp in left rear • Dome lamp In right rear • Trip computer control unit Instrument cluster: • Seat belt warning lamp Steering angle sensor Datallnk connector |
| 14 | 10 | With diesel: Injection timing device Exhaust gas recirculation valve |
| 15 | 10 | Interior connector sleeve, circuit 54: Left taillamp : • Left stop lamp Right taillamp: • Right stop lamp Center-high mounted stop lamp • Center high-mounted stop lamp, spare wheel carrier Trailer hitch connector |
| 16 | 15 | Diagnostic connector Reversing lamp switch Cockpit connector sleeve, circuit 15: • Air conditioning control unit • Heater/AC switch: • Blower switch • Thermostat • Recirculated air switch Indicator lamp • llumination • Switch illumination • Recirculated air switch • Air conditioning On indicator lamp • Switch Illumination • Air conditioning On switch • Recirculated air flap actuator motor • Air conditioning control unit |
| 17 | 15 | Cargo area connector box |
| 18 | 25 | Trailer hitch connector |
| 19 | 15 | M111: HFM control module Adjustable camshaft timing solenoid Activated charcoal filter shutoff valve M112/113: Terminal 87 M2e connector sleeve • Intake manifold switchover valve • EGR switchover valve • Air pump vacuum valve • O2-Left oxygen sensor, upstream of catalytic converter. • O2-Right oxygen sensor, upstream of catalytic converter. Purge control valve (AKF) O2-Left oxygen sensor, downstream of catalytic converter. O2-Right oxygen sensor, downstream of catalytic converter. M113: Cylinder switch-off valve |
| 20 | 15 | Left electrically adjustable and heated outside mirror, right electrically adjustable and heated outside mirror Mirror heater |
| 21 | 25 | With Sound system: Sound amplifier Radio |
| 22 | Interior connector sleeve, circuit 15 • ETC [EGS] control module • Transmission range recognition switch • Blocking solenoid, backup/park pawl • Transfer case control unit • Traction systems control unit With ESP: Steering angle sensor Instrument cluster Fuel pump relay Cruise control pushbutton switch With M111: HFM-SFI control unit With M112/113: Motor electronics control unit | |
| 23 | - | Spare |
| 24 | 7.5 | Interior connector sleeve, circuit 58R: • Trailer hitch connector Right front lamp unit: • Right standing and parking lamp Right taillamp: • Right taillamp and parking lamp Right side-marker lamp |
| 25 | 7.5 | Right front lamp unit: • Right turn signal lamp Right taillamp • Right turn signal lamp Right auxiliary turn signal lamp Traction system control unit Interior connector sleeve, circuit R: • Trailer hitch connector Instrument cluster: • Right turn signal indicator lamp |
| 26 | 15 | Connector sleeve, circuit 15 fused: • Ignition coils M111 • Ignition coils M112 • Ignition coils M113 |
| 27 | 40 | Traction systems control unit |
| 28 | 20 | Heated seats interior connector sleeve: Supply of left/right heated seats: • Heated seats relay, stage 1 • Heated seats relay, stage 2 • Left front seat heated cushion / right front seat heated cushion • Left front backrest heated cushion right front backrest heated cushion |
| 29 | 30 | Center console switch group: • Right front window switch • Right front power window motor • Left rear window switch Switch combination, power windows, rear center console: • Left rear window switch • Power window motor: rear left Relay 16: Right front power window |
| 30 | 30 | Center console switch group: • Left front window switch • Right rear window switch Switch combination, power windows, rear center console: • Right front window switch Relay 18: Left front power window |
| 31 | 15 | Center console switch group: • Switch, electrical outside mirror adjustment Cockpit connector sleeve, vent window: Rear vent window: • Left vent window switch • Right vent window switch Sliding/tilting roof switch |
| 32 | 30 | Right front seat adjustment switch Right front seat adjustment motor group • Fore/aft motor • Rear up/down motor • Front up/down motor • Backrest fore/aft motor |
| 33 | 30 | Left front seat adjustment switch Seat adjustment motor group: left front |
| 34 | 7.5 | Left front lamp unit: Left low beam (Electric headlamp range adjustment selector) Left headlamp range adjustment motors, right headlamp range adjustment motors |
| 35 | 7.5 | Right front lamp unit: Right low beam |
| 36 | 25 | Rear window heater |
| 37 | 20 | Fanfare horns: • Two-tone signaling system • Two-tone signaling system, hom 2 |
| 38 | 20 | Fuel pump with fuel gauge sensor |
| 39 | - | Spare |
| 40 | 25 | M 612.963: Vacuum pump |
| 41 | 25 | Circulating pump relay Right engine compartment connector sleeve, pump: • Coolant circulation pump • Module box blower motor With diesel: Healer booster Stationary heater |
| 42 | 20 | Central locking: • Left front door central locking motor • Right front door central locking motor Connector sleeve, interior central locking: • Rear-end door central locking motor • Left rear door CL [ZV] motor • Right rear door CL [ZV] motor • Fuel filler flap CL [ZV] motor |
| 43 | 30 | Heater blower relay Blower motor |
| 44 | 30 | Engine fan relay, stage 1 Engine fan relay, stage 1 Left engine compartment connector sleeve, fan • Left additional fan • Right additional fan |
| 45 | 40 | Electrical air pump |
| 46 | 7.5 | Cockpit connector sleeve, rear fog lamp: • 2-way switch combination (rear fog lamp diode) Left taillamp, right taillamp • Left rear fog lamp, right rear fog lamp Trailer hitch connector |
| 47 | 15 | Left engine compartment connector sleeve, additional headlamp Left front lamp unit: • Left fog lamp • Left additional headlamp high beam, right additional headlamp high beam Right front headlamp unit |
| Relay | ||
| K1 | Heated rear window | |
| K2 | FAN relay module | |
| K3 | except engine 612.963: Electric fuel pump | |
| K4 | Left turn signal | |
| K5 | Circuit 58 (license plate illumination/ instrument cluster) | |
| K6 | Electronic Stability Program (ESP) / stop lamp suppression | |
| K7 | Right turn signal | |
| K8 | Starter (solenoid switch, terminal 50) | |
| K9 | Circuit 58R (right standing lamp) | |
| K10 | - | |
| K11 | 612.963: Circuit 15 relay delayed | |
| K12 | Circuit 15 | |
| K13 | Circuit 58L (left standing lamp) | |
| K14 | Convenience | |
| K15 | Central locking (unlocking tailgate) | |
| K16 | Right front power window | |
| K17 | Front wiper relay, intermittent | |
| K18 | Left front power window | |
| K19 | Heater circulation pump relay and box fan fuse and relay box | |
| K20 | Central locking (locking all doors) | |
| K21 | Heater blower | |
| K22 | Low beam and contact piece | |
| K23 | Central locking (unlocking front passenger's door, rear doors and fuel tank flap) | |
| K24 | Central locking (unlocking driver's door) | |
| K25 | ETS / ESP hydraulic unit | |
| K26 | Engine fan (stage 1, with air conditionin) | |
| K27 | - | |
| K28 | Secondary air injection pump | |
| K29 | Rear fog lamp | |
Engine Compartment Fuse Box (09.01.2001→)

| No. | A | Description |
|---|---|---|
| 1 | - | - |
| 2 | 7.5 | Instrument cluster: • Left turn signal indicator lamp Left front lamp unit: • Left turn signal lamp Left taillamp: • Left turn signal lamp Left auxiliary turn signal lamp Interior connector sleeve, circuit L • Trailer hitch connector |
| 3 | - | - |
| 4 | 20 | Supply of sliding/tilting roof (SHD) circuit 30: • Sliding/tilting roof motor (SHD) |
| 5 | - | - |
| 6 | 20 | Seat heater |
| 7 | 30 | Combination switch: • Hazard flasher switch • Windshield washer system switch • Wipe switch • Wiper motor Windshield washer fluid pump Relay k17: Front wiper interval relay |
| 8 | 25 | Transfer case control unit/ E-Call control unit |
| 9 | 7.5 | Instrument cluster License plate illumination: • Left rear-end door license plate lamp, right rear-end door license plate lamp, • License plate lamp, left spare wheel carrier, license plate lamp, right spare wheel carrier Cockpit connector sleeve, circuit 58d: • Left vent window switch, right vent window switch (light emitting diodes) • Left front SIH switch, right front SIH switch (light emitting diodes) • 2-way switch combination (light emitting diodes) • ESP OFF switch (light emitting diodes) • Outside mirror switch, folding in and out (light emitting diode) • Electric headlamp range adjustment selector (light emitting diode) • Rear window wipe/wash switch (light emitting diode) • Tilting/sliding roof switch (light emitting diode) • Backup lamp switch • Illumination • Center console switch aroup |
| 10 | 10 | Radio Roof connector sleeve, circuit 15R • Lett sun visor with illuminated mirror • Right sun visor with Illuminated mirror • Automatic dimming inside rearview mirror Front cigar lighter with ashtray illumination • Heating element Glove compartment lamp Instrument cluster: • Airbag indicator and warning light |
| 11 | 15 | Hot-film mass air flow sensor Camshaft position sensor Fuel injection valves In the case of M111: • HFM control module |
| 12 | 7.5 | Interior connector sleeve, circuit 58L • Trailer hitch connector) • Left taillamp: • Left taillamp and parking lamp Left front lamp unit: • Left standing and parking lamp • Left side-marker lamp |
| 13 | 10 | Roof connector sleeve, circuit 30 • Front dome lamp (with shut-off delay and front reading lamp) • Rear interior lamp • Dome lamp in left rear • Dome lamp in right rear ( • Left front footwell lamps • Right front footwell lamps • Trip computer control unit (TRIP) Instrument duster: Steering angle sensor Datalink connector |
| 14 | 25 | Engine control unit (diesel) Injection timing device Exhaust gas redrculation valve |
| 15 | 10 | Interior connector sleeve, circuit 54 Left left taillamp • Left stop lamp Right taillamp: • Right stop lamp • Center high-mounted stop lamp • Center high-mounted stop lamp, spare wheel carrier • Stop lamp switch |
| 16 | 15 | Diagnostic connector Reversing lamp switch Cockpit connector sleeve, circuit 15 • Air conditioning control unit • Heater/AC switch • Blower switch • Thermostat • Illumination • Recirculated air switch • Air conditioning On switch • Recirculated air flap actuator motor Instrument cluster |
| 17 | 20 | Cargo area connector box |
| 18 | 25 | Trailer hitch connector |
| 19 | 15 | M111: HFM control module Adjustable camshaft timing solenoid Activated charcoal filter shutoff valve M112/113: Terminal 87 M2e connector sleeve • EGR switchover valve • Air pump vacuum valve • O2-Left oxygen sensor, upstream of catalytic converter. • O2-Right oxygen sensor, upstream of catalytic converter. Purge control valve O2-Left oxygen sensor, downstream of catalytic converter. O2-Right oxygen sensor, downstream of catalytic converter. |
| 20 | - | - |
| 21 | 15 | Radio Cellular telephone Voice control system (VCS) |
| 22 | 15 | Interior connector sleeve, circuit 15 • ETC [EGS] control module • Transmission range recognition switch • Blocking solenoid, backup/park pawl • Transfer case control unit • Traction systems control unit (With ESP) • Steering angle sensor Instrument cluster Cruise control pushbutton switch With M111: HFM-SFI control unit With M112/113: Motor electronics control unit Suction fan control unit (on models 163.174/175) Rain sensor |
| 23 | 15 | Headlamp range adjustment control module |
| 24 | 7.5 | Interior connector sleeve, circuit 58R • Trailer hitch connector Right front headlamp unit • Right standing and parking lamp Right taillamp • Right taillamp and parking lamp Right slde-marker lamp |
| 25 | 7.5 | Right front headlamp unit • Right turn signal lamp Right taillamp • Right turn signal lamp Right auxiliary turn signal lamp Traction system control unit Interior connector sleeve, circuit R: • Trailer hitch connector Instrument duster • Right turn signal Indicator lamp |
| 26 | 15 | Terminal 15 connector sleeve, fused • Ignition colls M111 • Ignition colls M112 • Ignition coils M113 |
| 27 | 40 | Traction systems control unit |
| 28 | - | - |
| 29 | - | - |
| 30 | - | - |
| 31 | 15 | Center console switch group Cockpit connector sleeve, vent window • Left vent window switch • Right vent window switch Tilting/sliding roof switch Mirror lamps |
| 32 | - | - |
| 33 | - | - |
| 34 | - | - |
| 35 | - | - |
| 36 | 10 | Mirror heater |
| 37 | 20 | Two-tone signaling system |
| 38 | 15 | 163.128: Fuel pump with fuel level sensor |
| 39 | - | - |
| 40 | 25 | Sound system |
| 41 | - | - |
| 42 | 20 | Central locking: • Left front door central locking motor • Right front door central locking motor Interior central locking connector sleeve, motor 1 • Rear-end door central locking motor • Left rear door CL [ZV] motor • Right rear door CL [ZV] motor • Fuel filler flap CL [ZV] motor |
| 43 | 20 | Blower motor, rear |
| 44 | 15 | Rear-end door washer fluid pump |
| 44 | 40 | Type 163.154/157 Engine fan relay, stage 1 Engine fan relay, stage 1 Left engine compartment connector sleeve, fan • Left additional fan) • Right additional fan |
| 45 | 40 | Electric air pump |
| 46 | 7.5 | Cockpit connector sleeve, rear fog lamp • Left rear fog lamp, right rear fog lamp Trailer hitch connector |
| 47 | 15 | Additional headlamp connector sleeve, right of engine compartment Left front headlamp unit • Left fog lamp • Left additional headlamp high beam, right additional headlamp high beam Right front headlamp unit • Right fog lamp |
| 48 | 20 | Alarm horn |
| Relay | ||
| K1 | Heated mirrors | |
| K2 | FAN relay module | |
| K3 | 612.963: Electric fuel pump | |
| K4 | Left turn signal | |
| K5 | Circuit 58 (license plate illumination/ instrument cluster) | |
| K6 | Stop lamp | |
| K7 | Right turn signal | |
| K8 | Starter (solenoid switch, terminal 50) | |
| K9 | Circuit 58R (right standing lamp) | |
| K10 | - | |
| K11 | 612.963, 628.963: Relay circuit 15 delayed | |
| K12 | Circuit 15 | |
| K13 | Circuit 58L (left standing lamp) | |
| K14 | Convenience (windows/roof/mirrors) | |
| K15 | Central locking (unlocking tailgate) | |
| K16 | - | |
| K17 | Front wiper relay, intermittent | |
| K18 | - | |
| K19 | - | |
| K20 | Central locking (locking all doors) | |
| K21 | - | |
| K22 | - | |
| K23 | Central locking (unlock front passenger door, rear doors) | |
| K24 | Central locking (unlock driver door and fuel filler flap) | |
| K25 | - | |
| K26 | Engine fan (stage 1, with air conditionin) | |
| K27 | Rear-end door washer pump | |
| K28 | Secondary air injection pump | |
| K29 | Rear fog lamp | |
Fuse and Module Box Right Front Footwell


| No. | A | Description |
|---|---|---|
| 1 | 7.5 | AIRBAG OFF indicator lamp |
| 2 | 20 | up to VIN A289564, X754619: Front cigar lighter (with ashtray illumination) |
| 15 | as of VIN A289565, X754620: Front cigar lighter (with ashtray illumination) | |
| 3 | 15 | Tailgate wiper motor |
| 4 | 7.5 | up to VIN A289564, X754619: E-Call control unit ((USA) only) |
| 40 | as of VIN A289565, X754620: Front blower motor | |
| 5 | 7.5 | up to VIN A289564, X754619: Instrument duster/air conditioning |
| 15 | as of VIN A289565, X754620: Instrument duster/air conditioning | |
| 6 | 20 | Interior socket |
| 7 | - | - |
| 8 | 20 | up to VIN A289564, X754619: Left front seat heated cushion and right front seat heated cushion |
| 9 | - | - |
| 10 | 30 | up to VIN A289564, X754619: Left front seat adjustment switch |
| 35 | as of VIN A289565, X754620: Left front seat adjustment switch | |
| 11 | 30 | up to VIN A289564, X754619: Right front seat adjustment switch |
| 35 | as of VIN A289565, X754620: Right front seat adjustment switch | |
| 13 | 20 | Gasoline: Remove existing fuel pump with fuel level sensor |
| 17 | 25 | Heated rear window |
| 19 | 30 | HCS [SRA] pump |
| 20 | 7.5 | as of VIN A289565, X754620: Right high beam |
| 21 | 7.5 | as of VIN A289565, X754620: Left high beam/ high beam indicator |
| 24 | 25 | as of VIN A289565, X754620: Rear power window motors and voltage supply for lower control panel control unit |
| 25 | 25 | as of VIN A289565, X754620: Front power window motors and voltage supply for lower control panel control unit |
| Relay | ||
| K1 | Seats convenience control | |
| K2 | Gasoline: Fuel pump | |
| K4 | Rear window defroster | |
| K5 | HCS [SRA] pump | |
| K6 | as of VIN A289565, X754620: Auxiliary high beam | |
| K8 | as of VIN A289565, X754620: Lower control panel/contact bridge switch | |
| K9 | Relay for voltage supply of term. 15 | |





