Mercedes-Benz Vito Viano W639 V-Class represents the second generation of the Mercedes Vito model range with the designation 639, it was produced in 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 and 2014. During this time, the model has been updated. In this article, we will present a description of the fuses and relays of the Mercedes Vito 639 with block diagrams and their locations. We note the cigarette lighter fuse.
The design of the blocks and the purpose of their elements may differ from those presented and depend on the year of manufacture and the level of electrical equipment.
Block under the hood
Under the hood, the main fuse block is located to the left or right of the engine compartment, behind a protective cover, and consists of several sections.
Fuses
Main upper section
| № | A | Description |
|---|---|---|
| 1 | 30A | Wipers |
| 2 | 15A | Signal |
| 3 | 5A | Brake light switch |
| 4 | 7.5A | Heating |
| 5 | 5A | Diagnostic connector, rotary light switch, instrument cluster |
| 6 | 5A | Engine components |
| 7 | 30A | Rear wiper |
| 8 | 10A | Terminal 87 (1) |
| 9 | 15A | Terminal 87 (2) |
| 10 | 10A | Terminal 87 (3) |
| 11 | 7.5A | Engine terminal 30 Z |
| 12 | 30A | Heated rear window |
| 13 | 7.5A | Ignition switch / instrument panel |
| 14 | 7.5A | Brake system |
| 15 | 5A | Headlight range adjustment |
| 16 | 25A | Starter motor |
| 17 | 15A | Fuel pump |
| 18 | 15A | Cigarette lighter/glove box lighting |
| 19 | 5A | Radio |
| 20 | 15A | Ignition coils M112 |
| 20 | 5A | Diesel HFM |
| 21 | 7.5A | Automatic transmission |
| 22 | 7.5A | Tachograph |
| 23 | 10A | Airbag control unit |
| 24 | 5A | Rear view mirror |
| 25 | 5A | Trailer control unit |
| 26 | 5A | Trip relay |
| 27 | 5A | Terminal 15 body/equipment manufacturer |
| 28 | 10A | Transmission control unit |
| 29 | 5A | Start-off assistance system |
| 30 | Reserve | |
| 31 | 10A | ATA signal |
| 32 | 5A | Mobile phone connector / VICS |
| 33 | 10A | Airbag, automatic child seat recognition |
| 34 | 5A | Terminal 15 R body/equipment manufacturer |
| 35 | 7.5A | Top control panel |
| 36 | 10A | Lumbar adjustment (seat) |
| 37 | 7.5A | Makeup mirror with light |
| 38 | 7.5A | Rear-seat entertainment |
| 39 | Reserve | |
| 40 | 10A | Engine fuse (diesel) |
| 40 | 20A | Engine fuse (petrol) |
| 41 | 10A | Engine fuse (diesel) |
| 41 | 20A | Engine fuse (petrol) |
| F1 | 225A | Terminal 30, electrical system, generator |
| F4 | 60A | Air conditioner fan (cooling unit) |
| F5 | 40A | Secondary air pump |
Lower right section
| № | A | Marking |
|---|---|---|
| 21 | 5A | Light switch and top of control panel |
| 22 | 7.5A | Rear-seat entertainment |
| 23 | 10A | Inner light |
| 24 | 7.5/25A | Top control panel and lift-and-slide hatch |
| 25 | 25A | Sliding/tilting rear compartment roof |
| 26 | 5A | Additional heater, radio |
| 27 | 7.5A | Air conditioning in the front of the cabin |
| 28 | 15A | Rear entertainment outlet |
| 29 | 7.5A | Mobile phone/CD changer/microphone control module |
| 30 | 30A | Seat heating controls |
| 31 | 5A | Tachograph |
| 32 | 5A | Diagnostic Gateway |
| 33 | 10A | Diagnostic connector |
| 34 | 15A | Audio gateway |
| 35 | Reserve | |
| 36 | 30A | Headlight cleaning system |
| 37 | 10A | ATA battery beep |
| 38 | 20A | Steering column lock |
| 39 | 40A | Front compartment fan |
Lower left section
| № | A | Appointment |
|---|---|---|
| 21 | 15A | 12V socket in the passenger compartment on the left |
| 22 | 15A | 12V socket in the passenger compartment on the right |
| 23 | 20A | Trailer socket |
| 24 | 25A | Trailer recognition unit |
| 25 | 30A | Adjusting the driver’s seat |
| 26 | 30A | Adjusting the co-driver’s seat |
| 27 | 30A | Electric sliding door left |
| 28 | 30A | Electric sliding door right |
| 29 | 30A | Rear compartment fan |
| 30 | 40A | Air suspension system |
| 31 | 10A | parking sensors |
| 32 | 5A | Tire pressure sensor |
| 33 | 25A | Audio system |
| 34 | 5A | Mobile phone control unit / VICS, TV Booster |
| 35 | 20A | Autonomous heating control unit |
| 36 | Reserve | |
| 37 | 5A | Rear air conditioning system |
| 38 | 7.5A | COMAND camera control |
| 39 | 5A | Ordinary taximeter |
| 40 | 15A | 12 V socket, rear right |
| 41 | 10A | Roof turn signal control unit |
| 42 | Reserve |
Fuses number 21, 22 and 40 at 15A are responsible for the operation of the cigarette lighter.
Relay
| № | Appointment |
|---|---|
| R1 | Horn relay |
| R2 | Slag cleaner relay #1 |
| R3 | Slag cleaner relay #2 |
| R4 | Power relay; |
| Engine control. | |
| R5 | Starter relay |
| R6 | Fuel pump relay |
| R7 | Relay contact 15R |
| R8 | Relay contact 15R |
| R9 | Rear window heating relay |
| R10 | Relay contact 15R |
| R11 | Relay contact 15R |
| R12 | Headlight Washer Relay |
| R13 | Secondary air injection pump relay |
Cabin block
It is located on the side of the driver’s seat.
| № | A | Description |
|---|---|---|
| F6 | — | Signal acquisition and excitation module (SAM) / fuse and relay block (SRB) / engine control unit, ignition switch, instrument cluster |
| 1 | 25A | Door control unit, left |
| 2 | 25A | Door control unit, right |
| 3 | 25A | Parameterized special module control unit / Backup (for China) |
| 4 | 25A | Parameterized special module control unit / Backup (for China) |
| 5 | 15A | 12V power socket on front passenger seat frame / Spare (for China) |
| 6 | Spare | |
| 7 | Spare | |
| 8 | Spare | |
| 9 | Spare / Additional equipment for a travel car / minivan [1] | |
| 10 | Spare | |
| 11 | Spare | |
| 12 | Spare | |
| 13 | 15/20A | Radio / COMMAND system / 1st and 2nd DIN sockets |
| 14 | 7.5A | Equipment for retrofitting a mobile phone/rear passenger entertainment system |
| 15 | 5A | Tachograph / Media Interface |
| 16 | 25A | Acoustic system |
| 17 | 5A | Taximeter |
| 18 | 25A | Control panel under the roof / sliding top sunroof |
Mercedes-Benz Vito W639 fuses and relays. Mercedes-Benz Vito W639 fuse diagram.