Mercedes-Benz G-Class W463 Fuse Box & Relay 1989-2006

Mercedes W463 G-Class (Gelandewagen) is the legendary Mercedes-Benz SUV that has been produced since 1979 to the present in several generations and updates. In this material, we will present a description of the fuses and relays for the Mercedes Gelendvagen 463 with box diagrams and locations for the second generation of the model, which is produced in 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 (before restyling) and 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 (restyling). Select the fuse responsible for the cigarette lighter.

The location of the boxes and the purpose of the elements in them may differ from those presented and depend on the year of manufacture and the level of electrical equipment of your car.

Passenger compartment

Fuse box in panel

The fuse box is located in the left end of the dashboard behind a protective cover.

Box example

Diagram

Assignment

21	30A Front left door control unit
22	30A Front right door control unit
23	5A Rear local lighting lamp
24	20A Brush deicer
25	10A Heated driver’s seat
26	7.5A Voltage converter
27	30A Driver seat power adjustment control unit
28	30A Accessory connector
29	Spare
30	40A Air conditioner
31	20A Electronic ignition switch
32	30A Rear left door control unit
33	30A Rear right door control unit
34	7.5A Cell phone system
35	30A auxiliary heater
36	15A Spare
37	30A Vacuum pump (differential lock actuator)
38	40A Power passenger seat
39	7.5A Transfer box control unit
40	Spare
41	7.5A Air conditioner
42	15A Instrument panel
A	15A Not used
B	10A Output 87 ABS control unit
C	Spare
D	5A Accessory switch, brake light switch
E	Spare
F	20A Rear seat heater
G	20A Condenser fan
H	30A Condenser fan

Fuse and relay box under the dashboard

On the passenger side, at the bottom of the instrument panel, is the main fuse and relay box.

To access, remove the protective cover.

Type 1

In this type, the fuse and relay box is installed upside down.

Photo example

Diagram

Designation

43a	15A Horn
43b	15A Horn
44	5A Cellular telephony
45	10A Airbag
46	20A Wiper
47	15A Cigarette lighterBacklight
48	15A Ignition coil
49	10A Airbag
50	5A Spare
51	7.5A Air conditioning, automatic transmission control unit
52	15A Starter
53	15A Cooling fan
54	15A Heater fan
55	7.5A Automatic transmission control unit
56	7.5A Automatic transmission selector controller
57	5A Electronic ignition switch
58	40A Fuse block (8 pcs.)
59	50A ABS return pump
60	40A ABS modulator
61	15A Spare
62	5A LDS system
63	5A Spare
64	10A Audio system
65	40A Secondary air pump
I	horn relay
K	relay circuit 87
L	wiper control relay (speed)
M	relay circuit 15R
N	relay circuit 15
O	air pump relay
P	relay circuit 15
Q	wiper switch relay
R	relay circuit 87
S	starter relay

The fuse number 47 at 15A is responsible for the cigarette lighter.

Type 2

Diagram

Allocation

1	7.5A Left clearance
2	7.5A Right clearance
3	15A Fog lights rear, front
4	7.5A High left light
5	7.5A High beam right, high beam indicator
6	7.5A Low left light
7	7.5A Dipped right light
8	15A Front cleaner and washer, reversing lamp
9	20A Furnace, glove compartment and interior lighting, recirculation
10	7.5A Stop lights, differential lock, instrument cluster, injector heating 15A Cruise control
11	15A Turn signals, signal, heated mirrors
12	15A Rear cleaner and washer
13	10A Dashboard, emergency gang, front lights, clock, radio
14	20A Rear heating, rear window lighting
15	15A Cigarette lighter radio, airbags
16	15A Central lock
17	7.5A Kick-down
18	10A Headlight washer
19	7.5A Fan and air conditioner
20	15A Additional heater glow plug
21	20A Additional heater control unit, auxiliary heater fan
22	25A Seat heating
23	30A Additional air conditioning fan
24	25A Heated windshield 25A Front right and rear left power windows
25	15A Temperature switch, oil temperature sensor 25A Front left and rear right power windows
26	15A Control unit IFZ
27	15A Clamping bar for special equipment, clamp 15
28
D3	Interior lighting
D4
D5	dipped beam
D6
A	15A Sliding sunroof
B	30A Front power window
S	30A Rear power window
D	25A Seat adjustment
E	25A Seat adjustment
F
G
H	trailer socket

The fuse number 15 to 15A is responsible for the cigarette lighter.

In this type, the relays are located behind this box.

Fuse and relay box in the tunnel

Another fuse and relay box is located between the front seats in the tunnel.

For access, it is necessary to remove the box cover (3) by turning the fastener (2). The box itself will look something like this.

Diagram

Appointment

1	30A Circuit connector 15R
2	30A Circuit connector 15R
3	5A TV – receiver
4	15A Fuel pump
5	20A spare
6	20A spare
7	20A spare
8	7.5A Antenna, anti-theft siren, tilt sensor
9	25A Top ceiling control panel
10	Rear window heater
11	spare
12	spare
13	Conclusion 15 bypass pump
14	Rear wiper
15	Filler flap drive
16	Voice control system
17	Trailer electrical circuit connection detection unit
18	Trailer circuit connector
19	Conclusion 30 bypass pump
20	Rear door lock drive
L	Fuel pump relay
M	Relay 2, terminal 15R
N	Relay reserve 2
ABOUT	Relay reserve 1
P	Rear defroster relay
Q	Relay 1, terminal 15R
R	Filler cap relay, polarity switch 1
S	Filler cap relay, polarity switch 2
K1	Differential lock relay (K36)
K2	ESP brake light suppression relay (K55)
K3	High pressure switch/back pump ESP (K60)
K4	Right auxiliary fan relay (K9/2)
K5	Left auxiliary fan relay (K9/1)

Luggage compartment

On the left side, in the luggage compartment, there are additional relay elements.

Example

Diagram

Decoding

• T – Central locking relay (CZ)
• U – N36 Gearbox output stage speed sensor
• V – K68 Rear window wiper relay
• W – K68 Rear window wiper relay

In some models, next to the battery, a high-power fuse box is also installed, made in the form of fuses.

Need a fuse designation in German? Check that.

That’s all. And if you have something to add – write in the comments.