Mercedes-Benz G-Class Fuse Box Locations and Diagrams (1991-2018)

The Mercedes-Benz G-Class (W463), produced from 1991 to 2018, is an iconic luxury off-road SUV known for its rugged durability, advanced 4MATIC all-wheel drive system, and premium interior. As one of the longest-running models in Mercedes-Benz history, the W463 has earned a reputation for off-road capability, military-grade toughness, and high-performance AMG variants.

In this article, you will find fuse box diagrams for the Mercedes-Benz G-Class, covering models G280, G300, G320, G350, G500, and G55 AMG for the years 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, and 2018. These diagrams provide crucial insights into the fuse layout, helping vehicle owners, mechanics, and technicians locate and understand the function of each fuse and relay.

What’s Included:

Fuse Box Diagrams – Clear and detailed visuals to help identify fuses, relays, and circuit breakers.
Fuse Panel Locations – Step-by-step guidance on where to find the fuse panels inside the Mercedes-Benz G-Class.
Fuse Assignments – Comprehensive descriptions of each fuse and relay function for accurate diagnostics and troubleshooting.

Whether you’re searching for the fuse panel layout, replacing a blown fuse, or diagnosing an electrical issue, this guide is an essential resource. It ensures that your Mercedes-Benz G-Class’s electrical system remains functional and reliable for off-road adventures, city cruising, and high-performance AMG driving.

Keep your Mercedes-Benz G-Class (1991–2018) in peak condition with this detailed fuse box, fuse panel, and relay guide!

The cigar lighter/power outlet fuse in the Mercedes-Benz G-Class is:
- fuse №47, located in the Passenger Footwell Fuse Box.

What’s Included

Instrument Panel Fuse Box (100B)

Fuse box location

The fuse box is located on the side of the instrument panel, on the driver’s side, behind the cover.

The location of the fuses in the dashboard: Mercedes-Benz G-Class (W463)

Fuse box diagram

Assignment of the fuses in the Instrument Panel Fuse Box

№	Circuit protected	Amp
21	Front left door control module	30
22	Front right door control module	30
23	Dome/rear reading lamp	5
24	Windshield heater (SA)	20
25	Driver/passenger seat heater (SA)	30
26	Entrance lamp, entrance rail lighting (SA)	7.5
27	Driver seat control module, steering wheel adjustment	30
28	Oddments tray socket
30	Air conditioning, heating recirculation unit	40
31	EIS	20
32	Rear left door control module	30
33	Rear right door control module	30
34	Tele Aid	7.5
37	Differential locks vacuum pump	15
38	Differential locks vacuum pump	30
39	Transfer case control module	40
40	ABS	25
41	UCP / air conditioning	7.5
42	Airbag indicator lamp	7.5
B	ABS control module circuit 87 Stop light switch	10
C	Spare	–
D	ABS control module circuit 15 Stop light switch	5
E	Spare	–
F	Rear seat heater control module	20
G	Auxiliary fan	20
H	Auxiliary fan	20

Passenger Footwell Fuse Box (100C Front SAM)

Fuse box location

It is located in passenger footwell behind cover.

Fuse box diagram

Assignment of the fuses and relay in the Passenger Footwell Fuse Box

№	Circuit protected	Amp
43a	Fanfare horns circuit 15R	15
43b	Fanfare horns circuit 30	15
44	Telephone systems circuit 15R (SA)	5
45	SRS indicator lamp/control module circuit 15R	7.5
46	Wiper ON / OFF	20
47	Cigar lighter, glove compartment lamp circuit 15R	15
48	Term. 15 ignition coils	15
49	Connected to 15 SRS indicator lamp control module	7.5
50	Switch lighting	5
51	Instrument cluster	7.5
52	Starter	15
53	Engine management	15
54	Engine management	15
55	Term. 87 ETC/transmission	7.5
56	Differential locks	5
57	Term. 30Z EIS	5
59	ABS return flow pump	50
61	Spare	15
62	Data link connector, low beam	5
63	Low beam	5
64	Comand	10
65	Secondary air pump	40

	Relay
A	Fanfare horns relay
B	Terminal 87 relay, chassis
C	Wiper speed 1 and 2 relay
D	Terminal 15R relay
E	KSG pump control relay
F	Air pump relay
G	Terminal 15 relay
H	Wiper ON/OFF relay
I	Terminal 87 relay, engine
K	Starter relay

Fuse Box in the center console (100A)

Fuse box location

The fuse box is located in the rear side of center console (see from the passenger side)

Fuse Box in the center console (location): Mercedes-Benz G-Class (W463)

Fuse box diagram

Fuse Box in the center console (diagram): Mercedes-Benz G-Class (W463)

Assignment of the fuses and relay in the center console

№	Circuit protected	Amp
1	Term. 15R2/TES left	30
2	Term. 15R2/TES right	30
4	Fuel pump	15
5	Spare	20
6	Spare	20
7	Spare	20
8	Antenna module, ATA siren ATA, tilt sensor	7.5
9	OCP	25
10	Rear window defroster	20
11	Spare	20
12	Output speed sensor control module	15
13	Multicontour seat (SA)	20
14	Rear window washer system	15
15	Fuel tank cap release	10
16	Voice recognition system
20	Central locking Tall gate	10

	Relay
L	Fuel pump relay
M	Relay 2, terminal 15R
N	Relay reserve 2
O	Relay reserve 1
P	Rear window defroster relay
Q	Relay 1, terminal 15R
R	Filler cap relay, polarity reverser 1
S	Filler cap relay, polarity reverser 2
R1	Differential Lock Relay (K36)
R2	ESP Stop Lamp Suppression Relay (K55)
R3	ESP High Pressure/Return Pump Relay (K60)
R4	Right Auxiliary Fan Relay (K9/2)
R5	Left Auxiliary Fan Relay (K9/1)

Pre-Fuse Box

It is located near the battery (floorboard between rear footwells).

Relay module (100D)

Fuse box location

Left rear of cargo area, below CD changer.

Relay module (100D): Mercedes-Benz G-Class (W463)

Fuse box diagram

	Relay
T	Central locking (CL) relay
U	N36 Cascade transmission output speed sensor
V	K68 Rear window wiper relay
w	K68 Rear window wiper relay