Mercedes-Benz Sprinter – fuse box diagram
Year of manufacture: 2018, 2019, 2020, 2021, 2022.
Fuse and relay box in the passenger footwell
| Number | Description | Amps [A] |
| MF1 | ||
| 15-1 | Motor control unit;
Common powertrain module (CPC); ESP module; Four-wheel drive module; Retarder; Air Suspension. |
5A |
| MF2 | ||
| 15-2 | Feedback cable, terminal 15 relay;
Headlight range adjustment, halogen headlight; TCO tachograph; Active Brake Assist radar sensor; Reversing warning device deactivation, power take-off, working speed control; DIN socket connection. |
5A |
| MF3 | ||
| 30-T | Multifunction camera;
TCO tachograph; DIN socket connection, ceiling; Terminal 15, Undervoltage relay; Instrument cluster; Central oil pump. |
7,5A |
| S9 | ||
| 1 | No Assignment | |
| 2 | Common Powertrain Module (CPC) | 10A |
| 3 | Engine control unit OM642/OM651/M274 | 10A |
| 4 | DIN socket, cockpit | 7,5A |
| 5 | Common Powertrain Module (CPC) | 10A |
| 6 | Radiator fan (not for OM654) | 5A |
| S10 | ||
| 7 | Automatic transmission | 30A |
| 8 | Body Controller | 30A |
| 9 | Body Controller | 30A |
| 10 | Heating, kSCR atalizer. | 30A |
| 11 | Overload control module (standard);
Overload control module, cab chassis; Overload control module, tall. |
10A/10A/15A |
| 12 | Pump, kSCR Atalizer | 15A |
| S11 | ||
| 13 | Automatic NAT3 Transmission | 60A |
| S12 | ||
| 14 | ESP (Premium) valves, vehicles with electromechanical parking brake;
ESP Valves (Standard). |
40A/25A |
| S13 | ||
| 16 | ESP Pump | 60A |
| S14 | ||
| 17 | Body Controller | 30A |
| 18 | Body Controller | 30A |
| 19 | D+, bodybuilder | 10A |
| 20 | Second control unit for driver’s door | 25A |
| 21 | Driver’s door controller | 25A |
| 22 | Air suspension control unit (LFA) | 10A |
| S15 | ||
| 23 | Blower control unit | 25A |
| 24 | USB socket (cockpit, glove box);
115V/230V converter socket. |
7,5A |
| 25 | Cigarette lighter, center console | 15A |
| 26 | Information Panel Socket | 15A |
| 27 | Converter socket, 115V/230V. | 25A |
| 28 | Initial radio installation;
Freight elevator; Voltage Converter Antenna; Converter socket, 115V/230V for vehicles with external battery. |
7,5A |
| S16 | ||
| 30-1 | No Attribution | |
| 30-2 | No Attribution | |
| 30-3 | Central Lock | 5A |
| 30-4 | Alarm (ATA) | 5A |
| 30-5 | No Attribution | |
| 30-6 | Electronic ignition lock control unit | 10A |
| 31 | Actuation, terminal 15-II relay | 25A |
| S17 | ||
| 32 | No Assignment | |
| S18 | ||
| 33 | Voltage quality sensor (SEB) | 5A |
| S19 | ||
| 34 | Electronics for interior body lighting | 10A |
| S1 | ||
| 35 | Advanced Caravanning (ACU) – motorhome unit | 7,5A |
| S2 | ||
| 36 | Air conditioning control panel | 5A |
| 37 | Electric steering lock (ESTL) | 5A |
| 38 | Steering Column Control (SCSM) | 10A |
| 39 | Antenna;
Navigation; Dradio wuid. |
10A |
| 40 | Rotating warning light | 5A |
| 41 | Radio Multimedia System (C5/NTG6), radio pre-installation | 25A |
| S3 | ||
| 42 | No Attribution | |
| S4 | ||
| 43 | No Assignment | |
| S5 | ||
| 44 | Control panel for multimedia system | 5A |
| 45 | Charger support;
Wireless Mobile Interface (WMI). |
5A |
| 46 | Multimedia Link Unit (MMI) | 7,5A |
| 47 | Hermes (UMTS/LTE communication module) | 5A |
| 48 | Telestar Stationary Heating | 5A |
| 49 | Center view | 5A |
| S6 | ||
| 50 | Additional headlight, left (platform body manufacturer) | 5A |
| 51 | Additional headlight, right (platform body maker) | 5A |
| 52 | Airbag control unit | 7,5A |
| 53 | Diagnostics | 5A |
| 54 | Relay power supply | 5A |
| 55 | TS (Diesel) engine, engine control unit (OM651) | 7,5A |
| S7 | ||
| 57 | Soot particle sensor;
NOx sensor; Soot particle sensor (not for OM654) |
10A |
| 58 | Engine, exhaust gas recirculation (EGR) (OM642/OM651);
Engine (not for OM654). |
10A |
| 59 | CNOx sensor before and after the catalytic converter (not for OM654) | 15A |
| 60 | Lambda sensor | 10A |
| 61 | M274 Engine;
Engine (OM642/OM651). |
7,5A |
| H2 | ||
| 62 | Engine control unit (not for OM654) | 15A |
| 63 | Motor control unit;
Engine (M274); Engine (not for OM654). |
20A/20A/25A |
| S8 | ||
| 64 | Body Control | 30A |
| 65 | Body Control | 30A |
| 66 | Roof Fan | 15A |
| 67 | Fuel Metering Control Unit (FSCM) | 25A |
| 68 | LED headlight, right | 15A |
| 69 | LED headlight, left | 15A |
| H2 | 30A | |
| 70 | Windshield Wipers | 30A |
Relay box in passenger footwell
| Number | Description | Amps [A] |
| R1 | Reservation | 30A |
| R2 | Terminal 87, motor | 50A |
| R3 | Clamp 87, common power train module (CPC) | 30A |
| R4 | Terminal 15-I | 40A |
| R5 | Turning the windshield wipers on and off | 40A |
| R6 | Reservation | 40A |
| R7 | Windshield wiper speed | 40A |
| R8 | Terminal 50, start | 40A |
| R9 | Terminal 15R (vehicles without additional battery) | 50A |
| R10 | Terminal 15-II | 30A |
| R11 | Terminal 15R (vehicles without additional battery) | 50A |
Fuses outside the driver’s seat base
| Number | Description | Amps [A] |
| F55/1 | ||
| 1 | Additional indicator lamp | 10A |
| 2 | Rear wiper, right | 15A |
| 3 | Four Wheel Drive | 30A |
| 4 | Terminal strip for electrical connection | 25A |
| 5 | Driver’s seat adjustment unit | 25A |
| 6 | Driver’s seat heating unit | 10A |
| 7 | Driver’s lumbar support | 25A |
| 8 | Tire pressure monitoring | 5A |
| 9 | Parking assistance;
Rear camera (RVC). |
5A |
| F55/2 | ||
| 10 | Towing hitch, right (towing socket) | 25A |
| 11 | Control unit with trailer socket | 15A |
| 12 | Towing hitch, left (towing socket) | 25A |
| 13 | Control unit with trailer socket | 15A |
| 14 | Multi Function Module (MPM) | 25A |
| 15 | Multi Function Module (MPM) | 25A |
| 16 | Rear camera fan | 25A |
| 17 | Parking heater (water heating) | 20A |
| 18 | Automatic transmission, auxiliary oil pump | 15A |
| F55/3 | ||
| 19 | Parking lot heater;
Terminal 15 on the auxiliary battery. |
15A |
| 20 | Prelieve secondary battery voltage | 5A |
| 21 | Rear window heater, left | 15A |
| 22 | Rear window heater, right | 15A |
| 23 | Freight elevator/Tipping vehicle (pre-installation) | 7,5A |
| 24 | Terminal strip for electrical connection | 15A |
| 25 | Roof Fan Relay | 5A |
| 26 | Special sign, cockpit body manufacturer | 7,5A |
| 27 | Rear Window Heater | 30A |
| F55/4 | ||
| 28 | Sliding door, left;
Electric sliding door, left. |
15A/30A |
| 29 | Sliding door, right;
Electric sliding door, right. |
15A/30A |
| 30 | Antenna Switchbox | 5A |
| 31 | Automatic transmission | 7,5A |
| 32 | Automatic transmission | 10A |
| 33 | Brake booster | 30A |
| 34 | Mermaid Relay;
Preparation for the trailer. |
15A/30A |
| 35 | Rotating warning light with siren;
Caravan preparation. |
15A/30A |
| 36 | Preparing for the caravan | 30A |
| F55/5 | ||
| 37 | Electric step, left | 10A |
| 38 | Electric step, right | 10A |
| 39 | Warning beep;
Electric step, right and left. |
5A |
| 40 | Automatic transmission (NAT2) | 10A |
| 41 | Terminal 15, special signal | 5A |
| 42 | Rear camera (RVC);
Interior mirror with monitor for rearview mirror. |
5A |
| 43 | Nest, cabin | 15A |
| 44 | Socket, D-pillar, left side | 15A |
| 45 | Socket, D-pillar, right side | 15A |
| F55/6 | ||
| 51 | USB port, left | 7.5A/5A |
| 52 | USB port, right | 7.5A/5A |
Fuses in the driver’s seat base and battery box
| Number | Description | Amps [A] |
| F150/1 (MFB-1) | Battery box | |
| 1 | Battery sensor | |
| 2 | No Attribution | MIDI |
| 3 | Main fuse box (MFB-2) | Bus |
| 4 | Power Distribution Center, terminal 30 (F30-1 – F30-6) | 50A |
| 5 | PTC Heater | 125A |
| F150/4 (MFB-2) | ||
| 1 | Terminal 30T, fuse box, driver’s seat base (F55/1-F55/6) | 125A |
| 2 | Electrical control | 125A |
| 3 | Alternator | 300A |
| 4 | Alternator | 400A |
| 5 | Power Distribution Center (PDC), FB-P | 175A |
| 6 | Light output stage (GZE) | 80A |
| 7 | Radiator fan (not for OM654);
Engine radiator fan; Radiator fan (not for OM654). |
40A/70A/80A |
| 8 | Main fuses for the camper | 100A |
| 9 | No Assignment | – |
| 10 | Air conditioning, rear compartment | 100A/50A/25A |
| 11 | Additional battery/Battery cut-off relay;
Retarder without additional battery. |
150A/100A |
| 12 | Air Suspension (LFA) | 40A |
| 13 | Windshield Heater | 80A |
| F150/5 (MFB-ZB) | ||
| 1 | Retarder | 100A |
| 2 | Freight elevator/cargo elevator (preparation) | 250A |
| 3 | Additional Battery | |
| 4 | Battery cut-off relay | 150A |
| 5 | Socket, converter | 60A |
| 6 | Parking Lot Heater | 25A |
| F59/1 and F59/2 | ||
| 1 | Windshield heater, left | 40A |
| 2 | Windshield heater, right | 40A |
Relay
| Number | Description | Amps [A] |
| 1 | Windshield Heater | |
| 2 | Terminal 15 | |
| 3 | Rear window heating | |
| 4 | Sockets, rear | |
| 5 | Interior Lighting | |
| 6 | Not used | |
| 7 | Not used | |
| 8 | Not used | |
| 9 | Not used | |
| 10 | Not used | |
| 11 | Not used | |
| 12 | Not used | |
| 13 | Not used | |
| 14 | Not used | |
| – | Mini-transmitters | – |
| 15 | Rear right side windshield wiper | |
| 16 | Manufacturer’s terminal block body | |
| 17 | Switch, reversing warning device | |
| 18 | Roof Fan | |
| 19 | Additional oil pump | |
| 20 | Electric step, right 1 | |
| 21 | Electric step, right 2 | |
| 22 | Electric step, left 1 | |
| 23 | Electric step, left 2 | |
| 24 | Siren | |
| 25 | Rotating warning light with siren | |
| 26 | Cargo Elevator |
