2004-2010 Mercedes-Benz Vito Viano Fuses (W639)

Welcome to our guide on the Mercedes-Benz Vito Viano Fuse Box Diagram for the years 2004 to 2010. Think of the fuse box as a superhero for your car’s electrical stuff. It makes sure everything runs smoothly by stopping any electrical “traffic jams.”

In this blog, we’re going to explore how this fuse box works. Whether you’re a car pro or just someone who wants to know more about their Mercedes-Benz, we’ll help you understand what’s going on under the hood.

Cigar lighter (power outlet) fuses in the Mercedes-Benz Vito / Viano are the fuse #18 (Cigarette lighter) in the Main Fuse Box, fuse #28 (Socket for rear-compartment entertainment) in the Fuse block F34, fuses #21 (12-volt socket for passenger compartment – left), #22 (12-volt socket for passenger compartment – right), #40 (12-volt socket – rear right) in the Fuse block F35, fuse #5 (12-volt socket on the co-driver’s seat base) in the Fuse box under the driver’s seat.

Main Fuse Box

The fuse box is located in the engine compartment on the passenger’s side.

Fuse Number	Protected Components	Fuse Amp. Rating
1	Windscreen wipers	30
2	Horn	15
3	Brake lamp switch	5
4	Heating	7.5
5	Diagnostics socket, rotary light switch, instrument cluster	5
6	Engine components	5
7	Rear wiper	30
8	Terminal 87 (1)	10
9	Terminal 87 (2)	15
10	Terminal 87 (3)	10
11	Terminal 30 Z engine	7.5
12	Rear window heating	30
13	Ignition lock/instrument panel	7.5
14	Brake system	7.5
15	Headlamp range control	5
16	Starter motor	25
17	Fuel pump	15
18	Cigarette lighter/glove compartment lighting	15
19	Radio	5
20	M112 ignition coils	15
20	Diesel HFM	5
21	Automatic transmission gearshift	7.5
22	Tachograph	7.5
23	Airbag control unit	10
24	Japanese rear-view mirror	5
25	Trailer control unit	5
26	Cut-off relay	5
27	Terminal 15 body/ equipment manufacturer	5
28	Transmission control unit	10
29	Start-off assist system	5
30	Unassigned	–
31	ATA horn	10
32	Mobile phone/VICS socket	5
33	Airbag, automatic child seat recognition	10
34	Terminal 15 R body/ equipment manufacturer	5
35	Overhead control panel	7.5
36	Lumbar adjustment (seat)	10
37	Make-up mirror light	7.5
38	Rear-compartment entertainment	7.5
39	Unassigned	–
40	Engine fuse (diesel)	10
40	Engine fuse (petrol)	20
41	Engine fuse (diesel)	10
41	Engine fuse (petrol)	20
F1	Terminal 30 electricalsystem, alternator	225 A
F4	Air-conditioning fan (incooling unit)	60 A
F5	Secondary air pump	40 A

Fuse block F34

Fuse Number	Protected Components	Fuse Amp. Rating
21	Light switch and upper section of control panel	5
22	Rear-compartment entertainment	7.5
23	Interior light	10
24	Overhead control panel and sliding/tilting sunroof	7.5/25
25	Rear-compartment sliding/tilting roof	25
26	Auxiliary heating, radio receiver	5
27	Front-compartment air conditioning	7.5
28	Socket for rear-compartment entertainment	15
29	Mobile phone/CD changer/microphone control module	7.5
30	Seat heating controls	30
31	Tachograph	5
32	Diagnostics gateway	5
33	Diagnostics socket	10
34	Audio gateway	15
35	Unassigned	–
36	Headlamp cleaning system	30
37	ATA battery horn	10
38	Steering column lock	20
39	Front-compartment blower	40
40	ABS control unit	25
41	ABS control unit	40
42	Radio/COMAND	15

Fuse block F35

Fuse Number	Protected Components	Fuse Amp. Rating
21	12-volt socket for passenger compartment, left	15 A
22	12-volt socket for passenger compartment, right	15 A
23	Trailer power socket	20 A
24	Trailer recognition unit	25 A
25	Driver’s seat adjustment	30 A
26	Co-driver’s seat adjustment	30 A
27	Electric sliding door, left	30 A
28	Electric sliding door, right	30 A
29	Rear-compartment blower	30 A
30	Air suspension system	40 A
31	Parktronic	10 A
32	Tyre pressure monitor	5 A
33	Sound system	25 A
34	Mobile phone control unit/VICS, TV booster	5 A
35	Auxiliary heating control unit	20 A
36	Unassigned	–
37	Rear-compartment air-conditioning system	5 A
38	COMAND camera control	7.5 A
39	Conventional taximeter	5 A
40	12-volt socket, rear right	15 A
41	Roof indicator light control unit	10 A
42	Unassigned	–

Fuse box under the driver’s seat

Fuse Number	Protected Components	Fuse Amp. Rating
F6	SAM-SRB	80
1	Door control unit, left	25
2	Door control unit, right	25
3	PSM control unit	25
4	PSM control unit	25
5	12-volt socket on the co-driver’s seat base	15
6	WVC charge line for vehicle battery in MARCO POLO	25
7	Timer and lighting in FUN/MARCO POLO	7.5
8	Auxiliary heating in FUN/MARCO POLO	25
9	Pop-up roof in FUN/ MARCO POLO	25

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