Mercedes-Benz Vito W447 represents the 3rd generation of the Mercedes-Benz V-Class model range, also known as Viano or Metris. Years of production: 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 with block diagrams and their locations. Let’s highlight the fuse responsible for the cigarette lighter.
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 region of delivery of your vehicle.
Blocks in the cabin
Fuse and relay box in the front passenger footwell under the panel
To access the unit, you need to lift the floor covering according to arrow 1.
Next, press the bracket 2 and slide the cover 3 in the direction of the arrow until it locks in place. The unit itself will look something like this.
Description
| Fuse holder S1 | |
| 1 | F28 Reserve |
| 2 | F29 25A Main module (radio receiver) |
| 15A Mounting socket for radio equipment | |
| 3 | F30 10A Lane Keeping Assist, Steering Wheel |
| 4 | F31 10A Heating system / air conditioning system “TEMPMATIC” / automated air conditioning system “TER-MOTRONIC” |
| 5 | F32 7.5A Control panel in the middle of the center console with touch panel |
| 6 | F33 5A Main module, radio receiver (Vito) |
| 15A Main module, radio receiver (V-Class) | |
| 7 | F34 15A Cigarette lighter |
| Fuse holder S2 | |
| 1 | F36 7.5A Driver’s seat control unit |
| 2 | F37 30A Fuse box in the engine compartment (PDC-E) |
| 3 | F38 7.5A Airbag control unit |
| 4 | F39 5A DAB/SDARS Digital Radio / TV Tuner for Japan |
| 5 | F40 Reserve |
| 6 | F41 Reserve |
| 7 | F42 7.5A Front passenger seat control unit |
| Fuse holder S3 | |
| 1 | F49 5A Steering column tube module |
| 2 | F50 7.5A Display and fan of the main module (radio receiver) |
| 3 | F51 5A Telephone receiving socket |
| 4 | F52 5A Media Interface |
| 5 | F54 7.5A Toll Road User Registration System, Japan (DSRC) |
| 6 | F54 30A Air conditioning fan |
| 7 | F55 20A Ignition lock / electronic steering lock |
| Fuse holder S4 | |
| 1 | F64 30A Front left door control unit |
| 2 | F65 30A Front right door control unit |
| 3 | F66 20A Rear window wiper, rear right door (Vito) |
| 4 | F67 7.5A Electric parking brake (EFS) |
| 5 | F68 7.5A Airbag control unit |
| 6 | F69 5A Front passenger airbag automatic deactivation system |
| 7 | F70 Reserve |
| Fuse holder S5 | |
| 1 | F71 Reserve |
| 2 | F72 15A 12V power sockets in the cargo area |
| 3 | F73 30A Electric parking brake (EFS) |
| 4 | F74 30A Electric sliding door, left |
| 5 | F75 15A Trailer module 1 |
| 6 | F76 25A Trailer module 2 |
| 7 | F77 25A Trailer module 3 |
| Fuse holder S6-S29 | |
| S6 | F23 Reserve |
| S7 | F24 7.5A Trailer control unit |
| S8 | F25 10A Battery support, charging connection |
| S9 | F26 15A Trailer control unit |
| S10 | F27 5A Fuse block in the front passenger footwell on the A-pillar (PDC-F) |
| S11 | F35 30A Rear window heating system |
| S12 | F43 10A Rear passenger entertainment system |
| S13 | F44 40A Front seat belt tensioner left (PRE-SAFE®) |
| S14 | F45 40A Front seat belt tensioner right (PRE-SAFE®) |
| S15 | F46 10A Exhaust gas aftertreatment system, SCR 3 |
| S16 | F47 20A Exhaust aftertreatment system, SCR 2 |
| S17 | F48 15A Exhaust aftertreatment system, SCR 1 |
| S18 | F56 15A Exhaust aftertreatment system – SCR relay |
| S19 | F57 Reserve |
| S20 | F58 Reserve |
| S21 | F59 30A Front passenger seat control unit |
| S22 | F60 30A Driver’s seat control unit |
| S23 | F61 40A Amplifier, speaker system |
| S24 | F62 10A Ceiling turn signals |
| S25 | F63 20A Fuel supply system control unit |
| S26 | F78 30A Panoramic roof |
| S27 | F79 40A CBC 1 signal recording and excitation module |
| S28 | F80 40A CBC 3 signal recording and excitation module |
| S29 | F81 30A Rear air conditioning fan |
| Additional fuses on the relay holder | |
| – | F21 200A Additional heating device (PTC) |
| – | F22 2000A Backup Battery |
| – | F82 5A Central Internet Gateway “Star 2” |
| – | F83 7.5A Ignition switch |
| – | F84 7.5A Control panel on the center console / control panel on the left next to the steering wheel |
| – | F85 5A Radio remote control device, receiver / KOM module |
| – | F86 5A Radio Frequency Antenna (RF Antenna) |
| – | F87 10A Diagnostic connector |
| – | F88 10A Instrument cluster |
| – | F89 5A Light switch |
| – | F90 5A Rebuilding alarm |
| – | F90 5A Exhaust gas aftertreatment system, SCR system control unit |
| – | F92 5A Fuel supply system control unit |
| – | F93 7.5A Mounting socket for radio retrofitting |
| Toll Road User Registration System, Japan (DSRC) | |
| – | F94 Reserve |
| – | F95 5A Glove box lighting |
| – | F96 15A Cargo door window wiper / rear window wiper, left rear door (Vito) |
| – | F97 5A PARKTRONIC system / active parking assist system |
| – | F98 5A Signal registration and excitation module, CBC system control line |
| – | F99 5A Tire pressure monitoring system |
| – | F100 5A Amplifier, speaker system |
| – | F101 10A Control panel under the roof |
| – | F102 Reserve |
| – | F103 5A Mounting socket for retrofitting with taxi equipment, taximeter |
| – | F104 5A Rear passenger entertainment system, display, left |
| – | F105 5A Rear passenger entertainment system, display, right |
| – | F106 5A Driver assistance system camera |
| – | F107 5A Mounting socket for retrofitting with a TV/traffic camera |
| – | F108 7.5A Reversing camera / 360° camera |
| – | F109 Reserve |
| – | F110 30A CBC 5 signal recording and excitation module |
| Relay | |
| A | Terminal 15, relay |
| B | Rear window wiper |
| C | Terminal 15 R2 |
| D | Rear window heating system |
| AND | Terminal 15 R1 |
| F | Clamp 30 gr |
| G | Exhaust gas aftertreatment system, SCR fuel pump |
Fuse number 7 at 15A in 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.
Marking
| Fuse holder S1 | |
| 1 | F305 10A Rear seat heating system / rear seat ventilation system, 1st row left |
| 2 | F308 10A Rear seat heating system / rear seat ventilation system, 1st row right |
| 3 | F310 10A Rear seat heating system / rear seat ventilation system, 2nd row left |
| 4 | F309 10A Rear seat heating system / rear seat ventilation system, 2nd row right |
| 5 | Reserve |
| 6 | F317 5A Rear seat heating/rear seat ventilation control unit |
| Fuse holder S2 | |
| 1 | F303 25A Parameterizable special module (PSM) |
| 2 | F304 25A Parameterizable special module (PSM) |
| 3 | F306 Reserve |
| 4 | F312 Reserve |
| 5 | F311 30A Electric sliding door, right/EASY-PACK tailgate |
| 6 | F318 Reserve |
| Fuse holder S3-S6 | |
| S3 | F300 25A Marco Polo charger, charging connection |
| S4 | F321 25A Terminal 30, body manufacturer |
| 5A Only for body manufacturer Westfalia | |
| S5 | F302 Reserve |
| S6 | F323 25A Additional air heating |
| Fuse holder S10 | |
| 1 | Tachograph F301 5A |
| 2 | F307 Reserve |
| 3 | F315 7.5A Dashboard |
| 4 | F314 Reserve |
| 5 | F319 15A Terminal 61, body manufacturer |
| 5A Only for body manufacturer Westfalia | |
| 6 | F320 15A Terminal 15, body manufacturer |
| 5A Only for body manufacturer Westfalia | |
| 7 | F322 5A Additional air heating timer |
| Relay | |
| A | Terminal 15, relay |
| B | Reserve |
| C | Reserve |
Fuse box in the luggage compartment
The unit itself is located at the rear of the car, behind the side protective cover.
Scheme
Appointment
- F352 15A 12V power socket, 1st row of seats, left
- F350 15A 12V power outlet, 2nd row of seats, left
- F351 15A 12V power socket, 2nd row of seats, right
- Relay K127 12 V power sockets in the rear of the vehicle
Main fuse power unit
This unit is located on the side of the right seat. To access it, you must remove the protective cover.
Description
| 1 | A16 Reserve |
| 2 | A15 Reserve |
| 3 | A1 Starter |
| 4 | A8 150A Fuse block in the front passenger footwell on the A-pillar (PDC-F) |
| 5 | A15 150A Auxiliary battery |
| 6 | A2 100A Preheating system control unit |
| 7 | E2 350A Generator |
| 8 | A10 100A Engine Radiator Fan |
| 9 | A9 Reserve |
| 10 | A7 150A Fuse box in the engine compartment (PDC-E) |
| 11 | A14 Reserve |
| 12 | A3 Reserve |
| 13 | A6 250A Fuse box in the front passenger footwell (PDC-P) |
| 14 | A13 40A CBC signal recording and excitation module |
| 15 | A5 Reserve |
| 16 | A11 100A Electric power steering |
| 17 | A4 50A Power sockets in the rear of the vehicle |
Block under the hood
This fuse and relay block (1) is located on the right side of the engine compartment. Example of access image.
Description
| Fuse holder S1 | |
| 1 | F204 25A ESP system valves |
| 2 | F205 15A Audible signal |
| 3 | F206 5A Engine control unit |
| 4 | F207 25A Automatic transmission control unit |
| 5 | F208 Reserve |
| 6 | F209 Reserve |
| 7 | F210 Reserve |
| Fuse holder S2 | |
| 1 | F211 Reserve |
| 2 | F212 15A Terminal 87 (4) |
| 3 | F213 15A Terminal 87 (2) |
| 4 | F204 10A Terminal 87 (3) |
| 5 | F215 20A Terminal 87 (1) |
| 6 | F216 5A Engine control unit |
| 7 | F217 Reserve |
| Fuse holder S3 | |
| 1 | F229 5A Headlight range adjustment system, left |
| 2 | F230 5A ESP system |
| 3 | F231 5A Headlight range adjustment system, right |
| 4 | F232 Reserve |
| 5 | F233 25A Fuel filter heating system |
| 6 | F234 Reserve |
| 7 | F235 Reserve |
| Fuse holder S4 | |
| 1 | F222 Reserve |
| 2 | F223 Reserve |
| 3 | F224 7.5A COLLISION PREVENTION ASSIST system / DISTRONIC PLUS system |
| 4 | F225 Reserve |
| 5 | F226 5A Engine radiator fan/radiator shutter |
| 6 | F227 10A Automatic transmission control unit |
| 7 | F228 15A Auxiliary oil pump (ZOP) |
| Fuse holder S5-S14 | |
| S5 | F201 5A EDW system sound signal (anti-theft alarm system) |
| S6 | F202 20A Independent heating system control unit |
| S7 | F203 20A HLI LED headlight control unit (vehicle headlight functions) |
| S8 | F218 5A ESP system control unit |
| S9 | F219 Reserve |
| S10 | F220 Reserve |
| S11 | F238 Reserve |
| S12 | F237 40A ESP Pump |
| S13 | F236 40A CBC 2 signal recording and excitation module |
| S14 | F221 30A LED headlight control unit LCU (LED main light) |
| Additional fuses on the relay holder | |
| – | F239 30A Front wipers |
| – | F240 25A Starter, terminal 50 |
| – | F241 Reserve |
| Relay | |
| J | Sound signal |
| T | Continuous wiper operation |
| L | Wiper on/off |
| M | Starter |
| N | Terminal 87 |
| About | Reserve |
| P | Reserve |
| Q | Reserve |
| R | Terminal 15 |
| S | Reserve |
| T | Reserve |