Mercedes-Benz Vito Viano W639 V-Class represents the second generation of the Mercedes Vito range with the designation 639 and 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 box diagrams and their locations. Note the cigarette lighter fuse.
The execution 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.
Contents
Engine compartment
Under the hood, the main fuse box is located on the left or right of the engine compartment, behind a protective cover and consists of several sections.
Fuses
Engraved upper section
Diagram
Assignment
| 1 | 30A Wipers |
| 2 | 15A Horn |
| 3 | 5A Stop lamp switch |
| 4 | 7.5A Heating |
| 5 | 5A Diagnostic socket, 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 Motor 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 Starting 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 Hill start assist |
| 30 | Reserve |
| 31 | 10F ATA signal |
| 32 | 5A Mobile phone / VICS connector |
| 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 Illuminated makeup mirror |
| 38 | 7.5A Rear 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 conditioning fan (cooling unit) |
| F5 | 40A Secondary air pump |
Lower right section
Diagram
Designation
| 21 | 5A Light switch and control panel top |
| 22 | 7.5A Rear Entertainment |
| 23 | 10A Interior light |
| 24 | 7.5 / 25A Upper control panel and sliding/tilting sunroof |
| 25 | 25A Sliding/Hinged Roof, Rear Compartment |
| 26 | 5A Auxiliary 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 Heated seat 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
Diagram
Appointment
| 21 | 15A 12 V socket in passenger compartment on the left |
| 22 | 15A 12 V socket in passenger compartment on the right |
| 23 | 20A Trailer socket |
| 24 | 25A Trailer recognition unit |
| 25 | 30A Driver seat adjustment |
| 26 | 30A Co-driver seat adjustment |
| 27 | 30A Electric sliding door left |
| 28 | 30A Electric sliding door right |
| 29 | 30A Rear compartment fan |
| 30 | 40A Air suspension system |
| 31 | 10A Parktronic |
| 32 | 5A Tire pressure sensor |
| 33 | 25A Audio system |
| 34 | 5A Mobile phone control unit / VICS, TV Booster |
| 35 | 20A Independent 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 for 15A are responsible for the operation of the cigarette lighter.
Relay
Diagram
Decoding
| R1 | Horn relay |
| R2 | Wiper relay #1 |
| R3 | Wiper relay No2 |
| R4 | Power relay; |
| Engine management. | |
| R5 | Starter relay |
| R6 | Fuel pump relay |
| R7 | Relay contact 15R |
| R8 | Relay contact 15R |
| R9 | Heated rear window relay |
| R10 | Relay contact 15R |
| R11 | Relay contact 15R |
| R12 | Headlight washer relay |
| R13 | Secondary air injection pump relay |
Passenger compartment
In the cabin, the fuse box is located on the side of the driver’s seat.
Diagram
Assignment
| F6 | Signal Acquisition and Excitation Module (SAM) / Fuse and Relay Box (SRB) / Engine Control Module, Ignition Switch, Instrument Cluster |
| 1 | 25A Door control unit, left |
| 2 | 25A Door control unit, right |
| 3 | 25A Control unit for parameterizable special module |
| Reserve (for China) | |
| 4 | 25A Control unit for parameterizable special module |
| Reserve (for China) | |
| 5 | 15A 12 V socket on front passenger seat frame |
| Reserve (for China) | |
| 6 | Spare |
| Accessory for travel car / van [1] | |
| 7 | Spare |
| 8 | Spare |
| Accessory for travel car / van [1] | |
| 9 | Spare |
| Accessory for travel car / van [1] | |
| 10 | Spare |
| 11 | Spare |
| 12 | Spare |
| 13 | 15/20A Radio / COMMAND system / 1st and 2nd DIN socket |
| 14 | 7.5A Mobile phone retrofit equipment / rear passenger entertainment system |
| 15 | 5A Tachograph / Media Interface |
| 16 | 25A Speaker system |
| 17 | 5A Taximeter |
| 18 | 25A Roof control panel/ sliding sunroof |
More information about the repair and maintenance of the Mercedes Vito 639, you can find in this original manual: “download.”
We also posted a video on our YouTube channel. Look and subscribe.
And if you have something to add – write in the comments.
Good day,
Please help
my merc viano 2.2 (2013) windscreen washer pump stopped working. Tested the pump and its fine but can not find the fuse or related relay to check?
Regards
MERCEDES VITO 2006 115CDI. THIRD BRAKE LIGHT NO POWER TO IT.THERE IS A RELAY IN THE REAR PANEL OF THE VAN I CAN HERE A RELAY CLICK WHEN BRAKES ARE APPLIED.COULD THIS PART L1872 REV C BE DAMAGED CAUSING THIRD BRAKE LIGHT TO NOT WORK.CHEERS.
Mercedes vito 2003 w639 problem.. were is relay N87 ?
Does a w639 have a fuse or relay for the vent control/actuator knob
Hi i have a vito van w639 with wiring prob i have poeer comining in but only 2volts goin to the starter and key wont turn on
Hello Dieter
No there is none, but there is a heater resistor or kachel widerstand, behind the middle console on the dashboard
Regards Iwan Maas
I am unable to find exterior lights fuse allocation.
location and number of auxiliary water pump relay or fuse any help please
My rear window heater and wiper, are suddenly not working anymore.
pls where is the location of this relais.
Mercedes Viano W639 (2008)
Hello Relay
This number N87 is one of the pins of the relais, it is not the relais itself !!
Look for pinout relais car, on google.
Regards Iwan Maas
Is there a relay for the horn in Vito 2006 and whir is it
My Vito W639, High Pressure Fuel Pump wont work – Would you explain to me what the two electric plugs are made for and how do they work?
Good day,
Please help
my mercEdec Vito 2.2 (2006) windscreen washer pump stopped working. Tested the pump and its fine but can not find the fuse or related relay to check?
Dobrý den,
Mám stejný problém…kde byla u vás nakonec závada?
Hi,
I can’t see to find component K40 9k5 starter relay.
does not function properly.
Hope you any help
My Mercedes vito w639 headligths, rearligths and signal ligths does not work after replaysment of the cylinder head, can someone assist me in this regard pls.
Mercedes Vito 116 CDI – rear wash wipe relay. My rear wipe will not switch off. Not even the main Mercedes dealer can tell me where it is. The can give me a part number, can sell me the relay but cannot tell me where the relay is
I too cannot find the fuse for the windscreen wiper washer pump can any-one help