Electrical Equipment Specifications (Mercedes-Benz C-Class W203)

Incandescent lamps

Purpose

High beam

Low beam

Fog lights

Front direction indicators

Parking light

Side turn signal repeaters

Rear direction indicators

Brake lights

Fog lights

Reversing lights

License plate lights

Side lights

Interior lights/trunk lights

H7HB4

D2R

R

PY

W

WY

WITH

R

1

15R

Left seat adjustment:

30

1, output 5

Black and yellow 2.5

Driver's seat adjustment/memory control unit (N32/1)

2

15R

Right seat adjustment:

30

1, output 6

Black and pink 2.5

Front passenger seat adjustment/memory control unit (N32/2)

Semi-electronic adjustment of front seats:

1 conclusion 6

Black and yellow 2.5

Driver's (K5/1)/Passenger (K5/2) Seat Adjustment Relay

3

30

Tire Inflation Pressure Control (TIPC):

07.May

7, output 1

Red-yellow 0.5

TRS control unit (N88)

TV ECE and USA:

9, output 1

Red-yellow 0.75

TV tuner (Europe, USA, Japan) (A2/42)

TV Japan:

9, output 1

Red-yellow 0.75

TV tuner (A2/10)

Models 203.7:

16, output 1

Red-green 0.5

Receiver for radio remote control of stationary heater (STH) (A6/1)

17, output 1

Red-green 0.75

Rear interior light (E15/3)

Models 203.0 and 203.2 with Parktronic system and rear interior light:

17, output 1

Red-green 0.75

PTS signal display (rear interior light) (A44/3)

4

15R

1, output 3

Black and green 2.5

Fuel pump (M3)

15

5

15R

-

-

Backup relay 2 (N10/2X)

20

6

30

28, output 1

-

-

25

7

15R

-

-

Backup relay 1 (N10/2kD)

20

8

30

23, output 4

Red-yellow 0.75

Module 1 rear window antenna amplifier (A2/71)

07-5

ATA with TS and IMS:

4, output 4

Red-blue 0.5

Alarm siren (H3)

4, output 5

Red and white 0.5

Tilt sensor ATA (B33)

9

30

22, output 4

Red-blue 2.5

Overhead Control Panel Control Unit (N70)

25

10

15R

20, output 5

Black 2.5

Rear window defroster (R1)

40

11

15R

20, output 3

-

-

20

12

15R

Models 203.2:

20, output 2

Black and green 1.5

Internal socket (X58/1)

15

13

15R

19, conclusion 1

Black and yellow 0.75

Pneumatic pump for orthopedic seat (M40)

5

Voice Control System (VCS):

5, output 2

Black and yellow 0.5

Voice control unit (A35/11)

Motorola Star TAC Cell Phone, Retrofit:

5, output 2

Black and yellow 0.5

D2B Interface for Portable Mobile Phone (A59/1)

Models 203.0 and 203.2 with reading lights:

12, output 5

Black and gray 0.5

Rear reading light (E15/3)

Models 203.0 and 203.2 with reading lights and Parktronic system:

12, output 5

Black and gray 0.5

PTS signal display (rear interior light) (A44/3)

12, output 5

Black and gray 0.5

PTS Control Unit (N62)

14

15R

30, output 1

Black and yellow 1.5

- Rear window wiper motor (M6/4)

15

15

-

-

-

- Filler neck relay, polarity receiver 1 (N10/2kG)

10

16

30

For VSC:

20

5 conclusion 1

Red-violet 0.5

Voice control unit (A35/11)

For CTEL Motorola Star TAC, retrofit:

5 conclusion 1

Red-violet 0.75

- D2B interface for mobile phone (A59/1)

17

30

S17 (external fuse)

Red-green 2.5

For towbar:

20

- Towbar connector (N₂8/1)

18

30

S18 (external fuse)

Red-yellow 2.5

For towbar:

20

- 13-pin towbar connector (X58)

19

30

S19 (external fuse)

Red and white 1.5

- Multi-circuit seat pneumatic pump (M40)

20

20

30

S20 (external fuse)

Red-blue 0.75

To darken the rear window:

7.5

- rear window tinting (K74)

Location

A

IN

WITH

D

E

F

G

N

Safety.

Terminal

Connector

Color and cross-section of wire, mm²

Purpose

Current strength (A)

21

30

X35/1 (left front door connector)

Red-white/2.5

Left front door control unit (N69/1)

30

22

30

X35/2 (right front door connector)

Red-gray/2.5

Right front door control unit (N69/2)

30

23

30

-

-

Cigarette lighter

15

24

30

-

-

Spare

-

25

30

5, output 4

Red-green/2.5

Upper control panel control unit (N72/1)

10

26

30

1, output 26

Red-violet/4.0

Sound amplifier (A72/13)

30

27

30

2, output 1

Red-yellow/2.5

Control unit for electric adjustment of driver's seat (with memory) (N32/1)

30

28

30

-

-

Spare

-

29

30

X35/33 (frame-floor/emergency power socket)

Red-blue/2.5

For taxi: Special failure management module (SVMCM) (N₂6/9)

30

30

30

1, output 3

Red-green/4.0

Heater air circulation unit (A32)

40

31

30

A, conclusion 9

Red-violet/1.5

EIS control unit (N73)

20

32

30

X35/3 (left rear door connector)

Red-black/2.5

Left rear door control unit

30

33

30

X35/4 (right rear door connector)

Red-white/2.5

Right rear door control unit

30

34

30, 15

-

Red-violet/1.5

Connector coupling 30 (Z4/3)

07.5

Z4/3 (connector coupling glue 30)

Red-violet/1.0

For Emergency Call System (USA) and Additional Cell Phone:

Cellular phone and transceiver TELE AID D2B (A35/17)

Red-violet/1.5

For built-in phone:

Cellular phone and transceiver D2B (A35/13)

Red-violet/1.5

For the TELE AID distress signal system:

Cellular phone and transceiver TELE AID D2B (A35/17)

Red-violet/0.75

For additional cell phone:

Telephone interface (A34/4)

27 (connector coupling glue 30)

Compensator CTEL (A28/3)

Red/0.5

For additional cell phone:

Telephone interface (A34/4)

X39/37 (Portable telephone connector)

Red-violet/1.0

For Japanese models, 203.0 models and emergency call systems:

Cellular phone and transceiver TELE AID D2B (A35/17)

35

30

1, output 1

Red-black/2.5

For stationary heater (STH):

30

Heater unit STH (A6)

36

30

-

Red/1.5

For Government Vehicles (STH):

30

37

30

2, output 2

Red-white/2.5

Brake booster vacuum pump control unit (N65/3)

25

38

30

2, output 1

Red-green/2.5

Right front seat electric drive control unit (N32/2)

30

39

30

-

-

Spare

-

40

30

X35/33 (frame-floor/emergency power socket)

Red-white/2.5

For taxis and government vehicles:

30

Special Vulnerability Management Module (SVMCM) (N₂6/9)

41

30

1, output 2

Red-blue/0.5

Upper control panel control unit (N72/1)

07.5

1, output 14

Red-blue/0.75 2

For automatic heater:

Heater push button control unit (N18)

For automatic K/V (AAC):

Push button control unit AAC (N₂2)

For the AAS "comfort" system:

Control unit of the push button AAC "comfort" (N₂2/7)

42

30

1, output 5

Red-yellow/0.5

Instrument panel (A1)

07.5

Location

I

TO

L

M

N

ABOUT

R

Q

R

S

43a

15R

-

-

Fanfare horn relay (N10/1kl)

15

43b

30

-

-

Fanfare horn relay (N10/1kl)

15

44

15R

23

Black and yellow/0.5

For the TELE AID distress signal system:

5

TELE AID control unit (A35/8)

For built-in phone:

D2B Interface (A59)

For additional cell phone:

Telephone interface (A34/4)

For the emergency call system (USA):

Connector coupling 15R (Z3/12)

For Emergency Call System (Japan):

TELE AID control unit (A35/8)

45

15R

12, output 4

Pink-black/0.75

Protected by a fuse via the side airbag connector coupling (Z3/31):

07.5

SRS control unit (N₂/7)

46

15

-

-

Windscreen wiper on/off relay (N10/1kQ)

40

47

15R

Backlight (except for the deflectors illumination):

15

19, output 6

Black and yellow/0.75

Glove box lighting with sensor switch (E13/2)

19, output 6

Black and yellow/1.0

Front ashtray/cigarette lighter illumination

48

15

3, output 1

Black-green/1.0

Brake booster vacuum pump control unit (N65/3)

15

For engine 112:

17, output 3

Black and yellow/1.5

Fuse-protected connector sleeve (Z3/29) 15

49

15

12, output 3

Black-red/0.5

SRS control unit (N₂/7)

07.5

50

15

19, output 4

Black-green/0.5

Light switch module (S1)

5

14, output 1

-

-

51

15

19, output 8

Black-brown/0.5

Instrument panel (A1)

07.5

2, output 6

Black and white/0.75

AAS (automatic K/V) with built-in electric motor for additional fan (M4/7)

For AAS "comfort":

19, output 8

Black-brown/0.5

Via the climate control sensor connector (X85/9):

Failure sensor AAS (B31/1)

Solar radiation sensor AAS (4 pieces) (B32/2)

For all vehicles with xenon headlights:

24, output 1

Black-pink/0.75

Left headlight (E1)

Right headlight (E2)

52

50

17, output 1

Purple/2.5

Starter (M1)

15+

53

87

13, output 3

Violet blue 0.5

Rear SAM control unit with relay and fuse box (N10/2)

15

Engine 111:

2, output 9

Red-blue 1.5

ECM (N3/10)

15

Engine 112:

2, output 9

Red-blue 0.75

ECM (N3/10)

15

3, output 8

Red-blue 0.75

Evaporative Canister Purge Valve (Y58/1)

15

17, output 2

Red-blue 1.5

Connector coupling 87M1e (Z7/35)

15

Engine 611:

2, output 9

Red-blue 2.5

Control unit for contact ignition system (CDI) (N3/9)

25

3, output 8

Red-blue 2.5

CDI control unit (N3/9)

25

54

87

Diesel engines:

2, output 2

Black and red 2.5

CDI control unit (N3/9)

07.5

17, output 4

Black and red 1.0

Intake manifold heater (R8)

07.5

Petrol engines:

2, output 2

Black and red 2.5

Connector coupling 87M1e (Z7/36)

15

17, output 4 (only engines 112)

Red-green 1.0

(only engines 112)

Connector coupling 87M1e (Z7/36)

07.5

55

87

7, output 5

Red-green 0.5

Steering wheel angle sensor (N49)

07.5

DTR:

21, output 1

Red-blue 0.75

Control unit DTR (N63/1)

AT:

9, output 1

Red and white 0.75

ETC control unit (N15/3)

9, output 3

Red-blue 0.75

Electronic control unit of the selector lever (N15/5)

Automatic gearbox (Sequentronic):

9, output 1

Red and white 1.0

Sequentronic control unit (N15/6)

9, output 3

Red-blue 0.75

Transmission Position Switch (S16/10)

56

87

7, output 3

Red-blue 0.75

ESP and BAS control unit (N47-5)

5

7, output 4

Red-yellow 0.5

Brake light switch sensor (S9/10)

57

30z

19, conclusion 1

Red-black 0.5

Steering wheel angle sensor (N49)

5

19, conclusion 1

Red-blue 0.5

Electronic ignition control unit/sensor-switch of opening of circuit of starter of brake lights (N73)

Engine 112:

2, output 4

Red 0.75

ECM (N3/10)

58

30

Automatic gearbox (Sequentronic):

9, output 4

Black and blue 0.5

Sequentronic control unit (N15/6)

40

59

30

8, output 2

Red 4.0

ESP and BAS control unit (N47-5)

50

60

30

8, output 1

Red 2.5

ESP and BAS control unit (N47-5)

40

61

30

Automatic gearbox (Sequentronic):

9, output 6

Black-green 0.5

Sequentronic control unit (N15/6)

15

62

30

2, output 11

Red-green 0.75

DLC connector (X11/4)

5

19, conclusion 2

Red-yellow 0.5

Lamp switching module (S1)

7, output 7

Pink-green 0.5

Brake light switch sensor (S9/1)

63

30

19, output 5

Red-green 0.5

Lamp switching module (S1)

5

64

30

Radio:

11, output 2

Red-blue 2.5

Radio (A2)

10

COMAND version:

11, output 2

Red-blue 2.5

Display and control unit for COMAND operation (A40/3n1)

65

15

Mixing air into the exhaust:

17, output 5

Red and white 4.0

Electric Air Pump (M33)

40