Fuses and Relays Specifications (Mercedes-Benz M-Class W163)

k1

Rear window heating element

k2

Fan Relay Module (k39)/Two-Tone Horn

k3

Electric fuel pump (only M612)

k4

Left turn signals

k5

Terminal 58

Number plate light/instrument cluster

k6

ESP/brake light suppression

k7

Right turn signals

k8

Starter (terminal 50 of the traction relay)

k9

Terminal 58R (right lights)

k10

Spare

k11

Terminal 15 (delay) (only M612)

k12

Terminal 15

k13

Terminal 58L (left lights)

k14

Comfort

k15

Single lock (unlocking the tailgate)

k16

Right front door window lifter

k17

Intermittent operation mode of front windscreen wipers

k18

Left front door window lifter

k19

Heater Circulation Pump, Fan Fuse Box/Relay

k20

Single lock (all doors)

k21

Heater fan

k22

Low beam and contact unit

k23

Single lock (unlocking all doors except the tailgate and driver's door, plus the fuel filler flap)

k24

Single lock (unlocking the driver's door)

k25

ETS/ESP hydraulic modulator

k26

Stage 1 Cooling Fan Motor (models with K/V)

k27

Stage 2 E/Motor Cooling Fan (models with K/V)/Spare

k28

Air pump (AIR)

k29

Rear fog lights

k30

Fog lights

k31

Anti-Theft Alarm Horn/Siren (ATA)

Incandescent lamps

Headlights

Low beam

H7 55W

High beam

H1 55 W

Bi-xenon light

D2S 35W

Anti-fog lighting

H1 55 W

Parking/Bar Lights

W 5 W

Direction indicators

PY 21 W (yellow)

Rear lights

Direction indicators

PY 21 W (yellow)

Brake lights

R 21 W

Reversing lights

R 21 W

Foggy lighting (left lamp)

R 21 W

Rear side/parking light

(right lamp)

R 4 W

License plate lights

Spotlights

With 5 W

Tightening force of threaded connections, Nm

Bolts for fastening electric motors of window regulator drives

5

Bolts/screws securing the sunroof drive to the roof frame (TORX and Allen)

4

Screws securing front airbag modules to steering wheel/instrument panel support

8

Bolts securing side airbag modules to door assemblies

9

1

15

5.0/red

Power socket (X58/1)

15

2

L

0.5/green

Instrument cluster (A1):

7.5

1.0/green

Left headlight (E1):

Left rear light (E3):

Left auxiliary direction indicator (E22/1)

Power socket coupling (circuit L) (Z53/4)

3

56a

2.0/ bg

1.0/green

Right headlight (E2):

15

4

30

2.0/white

Power supply at terminal 30 of the upper hatch actuator

30

5

56a

2.0/ bg

1.0/white

Left headlight (E1):

7.5

0.5/white

Instrument cluster (A1):

6

15

0.8/green

Electric motor (M6/4) for rear window wiper drive

7.5

7

30

3.0/gray

2.0/white

Combined steering column switch (S4)

15

53a

1.0/white

Electric motor (M6/1) for windscreen wiper drive

Terminal 17 relay: Intermittent wiper relay

8

30

1.0/red

Transfer Case Control Module (N78)

25

9

58

3.0/gray

0.5/gray

0.8/gray

Instrument cluster (A1) License plate light:

Coupling 1 connector (Z50/1), terminal 58 d:

7.5

10

15R

3.0/gray

0.5/pink

Radio (A2) Roof connector coupling (contour 15R) (Z54/1):

Front cigarette lighter with illumination (R3):

Glove compartment lighting (E13/1) Instrument cluster (A1)

10

11

15

1.5/red-blue

Hot-wire MAF sensor (B2/5)

CMP Sensor (L5/1)

Injectors (LH -SFI, HFM -SFI, PEC) (Y62) on M111:

10

12

58L

0.8/blue

Cabin connector coupling (contour 58L) (Z53/6):

7.5

1.0/blue

Left headlight (E1)

13

30

2.0 red

Roof connector coupling (circuit 30) (Z54/2):

10

0.5/red

Instrument cluster (A1)

Steering wheel angle sensor (N49)

DLC connector (X11/4)

14

15

On diesel models:

Injection distributor

EGR valve

10

15

54

1.0/ og

Cabin connector coupling (circuit 54) (Z52/6):

Left rear light (E3):

Right rear light (E4):

10

16

15

0.5/gray

DLC connector (X11/4)

15

1.0/gray

Reverse light switch sensor (S16/2)

Cockpit connector coupling (circuit 15) (Z50/2):

17

30

2.0/red

Rear power socket (X58/4)

15

18

30

2.0/red

Towbar connector (X52)

25

19

30

2.0/red-green

M111:

ECM (HFM-SFI) (N3/4)

Camshaft adjuster solenoid (Y49)

Fuel tank ventilation valve (Y58)

M112/113:

Coupling of the 87M2e circuit connector (Z7/36)

15

0.5/blue

Evaporative Canister Purge Control Valve (Y58/1)

1.0/blue

Left (G3/5)/right (G3/6) post-catalytic lambda probe

M113:

Cylinder Shut-Off Valve 1 (Y80)

Cylinder Shut-Off Valve 1 (Y80)

20

15

0.5/pink

Electric motors for driving external rear view mirrors (M21/1, M21/2)

15

21

30

1.0/red

Audio system:

Amplifier (A2/3)

Radio receiver (A2)

25

22

15

2.0/blue

Cabin connector coupling (circuit 15) (Z51/5):

0.5/blue

Modules with ESP:

Instrument cluster (A1)

1.0/blue

Fuel pump relay (F1 k 3)

0.5/blue

Cruise control switch (S40)

On M111: ECM (HFM-SFI) (N3/4)

On M 112/113: ECM (ME-SFI) (N3/10)

23

-

-

-

Spare

-

24

58R

0.8/blue

0.8/green

Cabin connector coupling (contour 58R) (Z52/4):

7.5

1.0/blue

Right headlight (E2):

1.0/green

Right rear light (E4):

Right side marker light (E2e6)

25

R

1.0/pink

Right headlight (E2):

Right rear light (E4):

Right auxiliary direction indicator (E22/2)

Cabin connector coupling (R circuit) (Z53/5):

7.5

0.5/pink

Instrument cluster (A1):

26

15

4.0/pink red

Protected circuit connector coupling 15 (Z3/29)

7.5

2.5/black-yellow

4.0/black-yellow

27

30

1.0/red

ETS Control Module (N47)

40

28

15R/30

3.0/white

Cabin connector coupling (heated seats) (Z3/8):

Power supply for seat heating elements

20

29

15R/30

2.0/ og

1.0/ og

Center console switch group (S21):

Rear center console switch group (S21/15):

Relay 16: Right front door window lifter

30

30

2.0/ og

1.0/gray

Rear center console switch group (S21/15):

Relay 18: Left front door window lifter (F1 k 18)

30

31

30

0.5/blue

Center console switch group (S21):

15

0.8/blue

Coupling of cockpit connector of exhaust vents (Z50/13)

Rear exhaust vents:

Sunroof drive switch (S13/2)

32

15R/30

2.0/og

Right front seat adjustment switch (S23)

Group of electric motors for the right front seat adjustment drive (M26):

30

33

15R/30

2.0/og

Left front seat adjustment switch (S22)

Group of electric motors for the left front seat adjustment drive (M25):

30

34

56L

1.0/pink

Left headlight (E1):

Low beam (E1e2)

7.5

0.5/pink

Headlight adjustment switch (S1/1)

Electric motors for headlight adjustment drive (E1 m 1 and E1 m 2)

35

56R

1.0/pink

Right headlight (E2):

Low beam (E2e2)

7.5

36

30

3.0/pink

Rear window heating

25

37

30

1.0/ og

Horns:

20

38

30

1.0/green

Fuel Pump/Fuel Level Sensor Assembly (M3/3)

20

39

-

-

-

Spare

-

40

30

4.0/red

Vacuum pump (M612)

25

41

30

1.0/white

Circulation pump relay (F1 k 19)

Right engine compartment connector coupling (coolant circulation pump/electric fan box) (Z57/2):

On diesel models:

Additional petrol heater

25

42

30

0.8/white

Single lock:

20

1.0/white

Cabin connector coupling (electric motor 1 single lock) (Z53/1):

43

30

5.0/white

Heater Fan Relay (F1 k 26)

Electric heater fan motor (M2)

30

44

30

2.0/green

Relay stage 1 of the electric motor of the cooling system fan (F1 k 26)

Relay stage 2 of the electric motor of the cooling system fan (F1 k 26)

30

45

30

2.5/red-white

Fuel Pump/Fuel Level Sensor Assembly (M3/3)

40

46

58 NS

0.8/ bg

Rear fog light connector sleeve (cockpit) (Z50/10):

7.5

1.0/ bg

Left (E3)/right (E4) rear light:

Towbar connector (X52)

47

58 N

1.0/gray

Auxiliary headlight connector coupling (on the right in the engine compartment) (Z56/4):

Left headlight (E1):

Right headlight (E2):

15

48

30

1.0/white

20