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Mercedes-Benz Vito W447 is the third generation of the V-class model line, also known as Viano or Metris. Release years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023. During this time, the model has been updated. In this article, you will find a description of the fuses and relays of the Mercedes Vito 447 Viano, along with box diagrams and their locations. Select the fuse responsible for the cigarette lighter.
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The way the boxes are made and what their contents are used for may be different from what is shown. This depends on the year your car is made and where it is delivered.
Passenger compartment
Fuse and relay box in passenger footwell under dash
To access the unit, lift the floor covering in the direction of arrow No. 1.
Next, press bracket 2 and move cover 3 in the direction of the arrow up until it locks. The box itself will look something like this.
Diagram
Assignment
Fuse holder S1 | ||
1 | – | F28 – Reserved |
2 | 25A | F29 – Head module (radio receiver) |
15A | Mounting socket for retrofitting a radio receiver | |
3 | 10A | F30 – Lane keeping system, steering wheel |
4 | 10A | F31 – Heating system / air conditioning system “TEMPMATIK” / automated air conditioning system “TER-MOTRONIK” |
5 | 7.5A | F32 – Control panel in the middle of the center console with touchpad |
6 | 5A | F33 – Head module, radio receiver (Vito) |
15A | Head module, radio receiver (V-Class) | |
7 | 15A | F34 – Cigarette lighter |
Fuse holder S2 | ||
1 | 7.5A | F36 – Driver’s seat control unit |
2 | 30A | F37 – Fuse box in the engine compartment (PDC-E) |
3 | 7.5A | F38 – Airbag control unit |
4 | 5A | F39 – DAB/SDARS digital radio / TV tuner for Japan |
5 | – | F40 – Reserve |
6 | – | F41 – Reserved |
7 | 7.5A | F42 – Front passenger seat control unit |
Fuse holder S3 | ||
1 | 5A | F49 – Steering column tube module |
2 | 7.5A | F50 – Display and head module (radio) fan |
3 | 5A | F51 – Telephone socket |
4 | 5A | F52 – Media Interface |
5 | 7.5A | F54 – Japan Toll User Registration System (DSRC) |
6 | 30A | F54 – Air conditioning fan |
7 | 20A | F55 – Ignition switch / electronic steering lock |
Fuse holder S4 | ||
1 | 30A | F64 – Front left door control unit |
2 | 30A | F65 – Front right door control unit |
3 | 20A | F66 – Rear window wiper, rear right door (Vito) |
4 | 7.5A | F67 – Electric Parking Brake (EFS) |
5 | 7.5A | F68 – Airbag control unit |
6 | 5A | F69 – Front passenger airbag automatic deactivation system |
7 | – | F70 – Reserved |
Fuse holder S5 | ||
1 | – | F71 – Reserved |
2 | 15A | F72 – 12V sockets in cargo area |
3 | 30A | F73 – Electric parking brake (EFS) |
4 | 30A | F74 – Electric sliding door, left |
5 | 15A | F75 – Trailer module 1 |
6 | 25A | F76 – Trailer module 2 |
7 | 25A | F77 – Trailer module 3 |
Fuse holder S6-S29 | ||
S6 | – | F23 – Reserved |
S7 | 7.5A | F24 – Trailer control unit |
S8 | 10A | F25 – Support battery, charging connection |
S9 | 15A | F26 – Trailer control unit |
S10 | 5A | F27 – A-pillar footwell fuse box, front passenger (PDC-F) |
S11 | 30A | F35 – Heated rear window |
S12 | 10A | F43 – Rear passenger entertainment system |
S13 | 40A | F44 – Front seat belt pretensioner, left (PRE-SAFE®) |
S14 | 40A | F45 – Right front seat belt pretensioner (PRE-SAFE®) |
S15 | 10A | F46 – Exhaust aftertreatment, SCR 3 |
S16 | 20A | F47 – Exhaust aftertreatment, SCR 2 |
S17 | 15A | F48 – Exhaust aftertreatment, SCR 1 |
S18 | 15A | F56 – Exhaust gas aftertreatment – SCR relay |
S19 | – | F57 – Reserved |
S20 | – | F58 – Reserved |
S21 | 30A | F59 – Front passenger seat control unit |
S22 | 30A | F60 – Driver’s seat control unit |
S23 | 40A | F61 – Amplifier, loudspeaker |
S24 | 10A | F62 – Overhead direction indicators |
S25 | 20A | F63 – Fuel system control unit |
S26 | 30A | F78 – Panoramic roof |
S27 | 40A | F79 – Signal acquisition and excitation module CBC 1 |
S28 | 40A | F80 – Signal acquisition and excitation module CBC 3 |
S29 | 30A | F81 – Rear air conditioning fan |
Fuse and relay holder | ||
– | 200A | F21 – Additional heater (PTC) |
– | 2000A | F22 – Support battery |
– | 5A | F82 – Central Gateway “Star 2” |
– | 7.5A | F83 – Ignition switch |
– | 7.5A | F84 – Control panel on the center console / control panel on the left near the steering wheel |
– | 5A | F85 – Radio remote control, receiver / KOM module |
– | 5A | F86 – RF antenna (RF antenna) |
– | 10A | F87 – Diagnostic connector |
– | 10A | F88 – Instrument cluster |
– | 5A | F89 – Light switch |
– | 5A | F90 – Lane change warning |
– | 5A | F90 – Exhaust gas aftertreatment, SCR control unit |
– | 5A | F92 – Fuel system control unit |
– | 7.5A | F93 – Mounting socket for retrofitting a radio receiver |
Japan Toll User Registration System (DSRC) | ||
– | – | F94 – Reserve |
– | 5A | F95 – Glove box lighting |
– | 15A | F96 – Cargo door window wiper / Rear window wiper, left rear door (Vito) |
– | 5A | F97 – PARKTRONIC/active parking assist |
– | 5A | F98 – Signal acquisition and excitation module, CBC control line |
– | 5A | F99 – Tire pressure monitoring system |
– | 5A | F100 – Amplifier, loudspeaker |
– | 10A | F101 – Roof control panel |
– | – | F102 – Reserved |
– | 5A | F103 – Mounting socket for retrofitting taxi equipment, taximeter |
– | 5A | F104 – Rear passenger entertainment system, display, left |
– | 5A | F105 – Rear passenger entertainment system, display, right |
– | 5A | F106 – Driver assistance systems video camera |
– | 5A | F107 – Mounting socket for retrofitting a TV/traffic camera |
– | 7.5A | F108 – Reversing camera / 360° camera |
– | – | F109 – Reserved |
– | 30A | F110 – Signal acquisition and excitation module CBC 5 |
Relay | ||
A | Terminal 15 relay | |
B | Rear window wiper | |
C | Terminal 15 R2 | |
D | Rear window heating system | |
E | Terminal 15 R1 | |
F | Terminal 30G | |
G | Exhaust gas aftertreatment, SCR fuel pump |
The fuse number 7 at 15A on section S1 is responsible for the operation of the front cigarette lighter.
Fuse and relay box in the front passenger footwell on the pillar
An example of block access is shown in the diagram.
Photo for example
Diagram
Designation
Fuse holder S1 | ||
1 | 10A | F305 – Rear seat heating / rear seat ventilation, 1st row left |
2 | 10A | F308 – Rear seat heating / rear seat ventilation, 1st row right |
3 | 10A | F310 – Rear seat heating / rear seat ventilation, 2nd row left |
4 | 10A | F309 – Rear seat heating / rear seat ventilation, 2nd row right |
5 | – | Spare |
6 | 5A | F317 – Control unit for rear seat heating / rear seat ventilation |
Fuse holder S2 | ||
1 | 25A | F303 – Parameterizable special module (PSM) |
2 | 25A | F304 – Parameterizable special module (PSM) |
3 | – | F306 – Reserved |
4 | – | F312 – Reserved |
5 | 30A | F311 – Electric sliding door, right / tailgate EASY-PACK |
6 | – | F318 – Reserved |
Fuse holder S3–S6 | ||
S3 | 25A | F300 – Marco Polo charger, charging connection |
S4 | 25A | F321 – Terminal 30, bodybuilder |
5A | Only for bodybuilder Westfalia | |
S5 | – | F302 – Reserved |
S6 | 25A | F323 – Additional air heating |
Fuse holder S10 | ||
1 | 5A | F301 – Tachograph |
2 | – | F307 Reserved |
3 | 7.5A | F315 – Tachograph |
4 | – | F314 – Reserved |
5 | 15A | F319 – Terminal 61 bodybuilder |
5A | Only for bodybuilder Westfalia | |
6 | 15A | F320 – Terminal 15, bodybuilder |
5A | Only for bodybuilder Westfalia | |
7 | 5A | F322 – Additional air heating timer |
Relay | ||
A | Terminal 15 relay | |
B | – | Spare |
C | – | Spare |
Fuse box in the luggage compartment
The box itself is located at the rear of the car, behind the side protective cover.
Diagram
Appointment
- F352 15A 12 V socket, 1st row, left
- F350 15A 12 V socket, 2nd row, left
- F351 15A 12 V socket, 2nd row of seats, right
- Relay K127 12 V sockets in the rear of the vehicle
Power box of the main fuses
This unit is located on the side of the right seat. To access, remove the protective cover.
Photo
Diagram
Decoding
1 | A16 – Reserved | |
2 | – | A15 – Reserved |
3 | A1 Starter | |
4 | 150A | A8 – A-pillar footwell fuse box, front passenger (PDC-F) |
5 | 150A | A15 – Additional battery |
6 | 100A | A2 – Preheating control unit |
7 | 350A | E2 – Generator |
8 | 100A | A10 – Engine radiator fan |
9 | – | A9 – Reserved |
10 | 150A | A7 – Fuse box in the engine compartment (PDC-E) |
11 | – | A14 – Reserved |
12 | – | A3 – Reserved |
13 | 250A | A6 – Fuse box in passenger footwell (PDC-P) |
14 | 40A | A13 – CBC signal acquisition and excitation module |
15 | – | A5 – Reserved |
16 | 100A | A11 – Power steering |
17 | 50A | A4 – Power sockets at the rear of the vehicle |
Engine compartment
This fuse and relay box (1) is located on the right side of the engine compartment. An example of access in the image.
Diagram
Assignment
Fuse holder S1 | ||
1 | 25A | F204 – ESP valves |
2 | 15A | F205 – Horn |
3 | 5A | F206 – Engine control unit |
4 | 25A | F207 – Automatic transmission control unit |
5 | – | F208 – Reserve |
6 | – | F209 – Reserve |
7 | – | F210 – Reserve |
Fuse holder S2 | ||
1 | – | F211 – Reserve |
2 | 15A | F212 – Terminal 87 (4) |
3 | 15A | F213 – Terminal 87 (2) |
4 | 10A | F204 – Terminal 87 (3) |
5 | 20A | F215 – Terminal 87 (1) |
6 | 5A | F216 – Engine control unit |
7 | – | F217 – Reserve |
Fuse holder S3 | ||
1 | 5A | F229 – Headlight range adjustment left |
2 | 5A | F230 – ESP system |
3 | 5A | F231 – Headlight range adjustment, right |
4 | – | F232 – Reserve |
5 | 25A | F233 – Fuel filter heating system |
6 | – | F234 – Reserved |
7 | – | F235 – Reserved |
Fuse holder S4 | ||
1 | – | F222 – Reserve |
2 | – | F223 – Reserve |
3 | 7.5A | F224 – COLLISION PREVENTION ASSIST / DISTRONIC PLUS |
4 | – | F225 – Reserve |
5 | 5A | F226 – Engine radiator fan/radiator shutter |
6 | 10A | F227 – Automatic transmission control unit |
7 | 15A | F228 – Additional oil pump (ZOP) |
Fuse holder S5-S14 | ||
S5 | 5A | F201 – Horn of the EDW (anti-theft alarm system) |
S6 | 20A | F202 – Independent heating control unit |
S7 | 20A | F203 – HLI LED headlight control unit (vehicle headlight functions) |
S8 | 5A | F218 – ESP control unit |
S9 | – | F219 – Reserve |
S10 | – | F220 – Reserve |
S11 | – | F238 – Reserved |
S12 | 40A | F237 – ESP pump |
S13 | 40A | F236 – Signal acquisition and excitation module CBC 2 |
S14 | 30A | F221 – LED headlight control unit LCU (LED headlight) |
Additional Fuse holder | ||
– | 30A | F239 – Front wipers |
– | 25A | F240 – Starter, terminal 50 |
– | – | F241 – Reserved |
Relay | ||
J | Sound signal (Horn) | |
K | Continuous wiper operation | |
L | Wiper on/off | |
M | Starter | |
N | Terminal 87 | |
O | Spare | |
P | Spare | |
Q | Spare | |
R | Terminal 15 | |
S | Spare | |
T | Spare |
That’s all. If you have something to add, write in the comments.
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