The Mercedes-Benz Sprinter is a popular van for a variety of purposes, including work, transportation, and camping. As with any vehicle, it’s important to be familiar with the fuse box diagram in case a fuse blows.
Table of Contents
Cigar lighter (power outlet) fuses in the Mercedes-Benz Sprinter are the fuses #13 (Cigarette lighter, PND (personal navigation device) power socket), #25 (12V socket – center console) in the Instrument panel fuse box, and fuses #23 (12V left rear socket, load/rear compartment), #24 (12V socket under the base of driver’s seat), #25 (12V right rear socket, load/rear compartment) in the Fuse Box under driver’s seat.
Instrument Panel Fuse Box (Main fuse box)
| Fuse Number | Protected Components | Fuse Amp. Rating |
|---|---|---|
| 1 | Horn | 15 |
| 2 | ESTL (electric steering lock) ignition lock | 25 |
| 3 | Terminal 30 Z, vehicles with a gasoline engine/ ignition lock/instrument cluster | 10 |
| 4 | Light switch/switch unit on center console | 5 |
| 5 | Windshield wipers | 30 |
| 6 | Fuel pump Terminal 87 (5) (Vehicles with code MI6/MH3/XM0) | 15 10 |
| 7 | MRM (jacket tube module) | 5 |
| 8 | Terminal 87 (2) | 20 |
| 9 | Terminal 87 (1) Terminal 87 (3), vehicles with a gasoline engine Terminal 87 (3), vehicles with a diesel engine | 25 20 25 |
| 10 | Terminal 87 (4) | 10 |
| 11 | Terminal 15 R vehicle | 15 |
| 12 | Air bag control unit | 10 |
| 13 | Cigarette lighter/glove box lamp/radio/body manufacturer loading tailgate/PND (personal navigation device) power socket | 15 |
| 14 | Diagnostics connection/light switch/instrument cluster/deactivating reverse warning device/anti-theft protection with vehicle tracking | 5 |
| 15 | Headlamp range con- trol/front-compartment heating | 5 |
| 16 | Terminal 87 (1) Terminal 87 (3) (Vehicles with code MI6/MH3/XM0) | 10 |
| 17 | Air bag control unit | 10 |
| 18 | Terminal 15 vehicle/ brake light switch | 7.5 |
| 19 | Interior lighting | 7.5 |
| 20 | Front-passenger door power window switch/ terminal 30/2 SAM (signal acquisition and actuation module) | 25 |
| 21 | Engine control unit | 5 |
| 22 | Brake system (ABS) | 5 |
| 23 | Starter motor Terminal 87 (6) (Vehicles with code MI6/MH3/XM0) | 20 10 |
| 24 | Diesel engine, engine components/control unit, vehicles with a natural gas engine NGT (Natural Gas Technology) | 10 |
| 25 | 12 V socket (center console) for tire sealant | 25 |
| Fuse block F55/1 | ||
| 1 | Driver’s door control unit | 25 |
| 2 | Diagnostics connection | 10 |
| 3 | Brake system (valves) | 25 |
| 4 | Brake system (delivery pump) | 40 |
| 5 | Terminal 87 (2a) engine M272, OM651 Terminal 87 (2a) engine OM642, OM651 (NAFTA) | 7.5 |
| 6 | Terminal 87 (1a) engine OM6426 (Vehicles with code XM0) Terminal 87 (1a) engine OM651 (Vehicles with code XM0) Terminal 87 (3a) engine M272, M271, OM651 | 10 7.5 7.5 |
| 7 | Headlamp cleaning system | 30 |
| 8 | Anti-theft alarm system (ATA)/beacon/beacon with siren | 15 |
| 9 | Additional turn signal module | 10 |
| Fuse block F55/2 | ||
| 10 | Radio 1 DIN Radio 2 DIN | 15 20 |
| 11 | Mobile phone/tachograph/additional recorder (Latin America only) /navigation cradle (Vehicles with code XM0) | 7.5 |
| 12 | Front blower/auxiliary heating blower setting (Vehicles with code MI6/MH3/XM0) | 30 |
| 13 | Auxiliary heating system digital timer/radio receiver/DIN slot basic wiring/FleetBoard/antitheft protection with vehicle tracking | 7.5 |
| 14 | Seat heating | 30 |
| 15 | Brake system control unit | 5 |
| 16 | Heating, rear compartment heating/ front-compartment air conditioning | 10 |
| 17 | Convenience lighting Motion detector Reading and cargo compartment lamp (courier vehicles) Cargo compartment lighting | 10 7.5 10 7.5 |
| 18 | Rear-compartment air-conditioning system | 7.5 |
| Relays | ||
| R1 | Horn relay | |
| R2 | Windshield wiper setting 1/2 relay | |
| R3 | Fuel pump relay (Not on vehicles with code MI6/MH3/XM0) Starter relay, terminal 15 (Vehicles with code MI6/MH3/XM0) | |
| R4 | Windshield wipers on/off relay | |
| R5 | Starter relay, terminal 50 | |
| R6 | Relay, terminal 15 R (normally open contact) | |
| R7 | Engine control unit relay, terminal 87 | |
| R8 | Relay, terminal 15 (reinforced relay) |
Fuse Box under driver’s seat
| Fuse Number | Protected Components | Fuse Amp. Rating |
|---|---|---|
| Fuse block F55/3 | ||
| 1 | Mirror setting/rear window defroster | 5 |
| 2 | Rear window wiper | 30 |
| 3 | Auxiliary heating, digital timer/rear view camera/neutral gate switch, starting-off aid and allwheel drive/engine runon/DIN slot basic wiring (roof)/FleetBoard/anti-theft protection with vehicle tracking/emergency hammer lighting in the rear compartment | 5 |
| 4 | Tachograph/ADR working speed governor/ power take-off/AAG (trailer control unit) | 7.5 |
| 5 | ECO Start/control unit EGS (electronic gearbox control) | 5 10 |
| 6 | All-wheel drive control unit Auxiliary oil pump | 5 10 |
| 7 | ESM (electronic selector module) | 10 |
| 8 | Loading tailgate/tipper vehicle PARKTRONIC (Vehicles with code XM0) | 10 |
| 9 | Rear compartment air conditioning, compressor clutch, disengagea-ble reverse warning device | 7.5 |
| Rear compartment air conditioning, compressor clutch, disengaged-ble reverse warning device | ||
| Fuse block F55/4 | ||
| 10 | Terminal 30, body/ equipment manufacturer | 25 |
| 11 | Terminal 15, body/ equipment manufacturer | 15 |
| 12 | D+, body/equipment manufacturer | 10 |
| 13 | Fuel pump FSCM (Fuel Sensing Control Module) Fuel pump relay (Vehicles with code MI6/MH3/XM0) (NAFTA) | 20 15 |
| 14 | Trailer power socket | 20 |
| 15 | Trailer recognition unit | 25 |
| 16 | Tire pressure monitor PARKTRONIC (Pre-facelift vehicle) | 7.5 |
| 17 | Programmable special module (PSM) | 25 |
| 18 | Programmable special module (PSM) | 25 |
| Fuse block F55/5 | ||
| 19 | Overhead control panel without ATA (Anti-Theft Alarm system) and without rain sensor Overhead control panel with ATA (Anti-Theft Alarm system) Overhead control panel with rain sensor | 5 25 25 |
| 20 | License plate lamp (courier vehicles)/perimeter lamp (NAFTA)/identification lighting (NAFTA) | 7.5 |
| 21 | Terminal 30, body electrics (courier vehicles) Rear window defroster without ATA (Anti-Theft Alarm system) Rear window defroster with ATA (Anti-Theft Alarm system) | 15 30 15 |
| 22 | Rear window defroster 2 Vehicle socket (courier vehicles) | 15 20 |
| 23 | 12 V left rear socket, load/rear compartment Electric system: non-MB body | 15 10 |
| 24 | 12 V socket under the base of driver’s seat | 15 |
| 25 | 12 V right rear socket, load/rear compartment | 15 |
| 26 | Hot-water auxiliary heating | 25 |
| 27 | Electrical heater booster (PTC) Auxiliary warm-air heater | 25 20 |
| Fuse block F55/6 | ||
| 28 | SRB starter relay (fuse and relay module) (NAFTA) (Vehicles with code XM0) Starterfor electrical supply support using the additional battery | 25 |
| 29 | Terminal 87 (7), gas system, vehicles with a natural gas engine (NGT) (Natural Gas Technology) Selective Catalytic Reduction control unit, vehicles with exhaust gas after treatment (NAFTA) Terminal 30, all-wheel drive, control unit | 7.5 10 30 |
| 30 | Auxiliary heat exchanger fan Brake booster (NAFTA) | 15 30 |
| 31 | Rear compartment heating blower Sliding door closing assistance, left Electric sliding door, left | 30 15 30 |
| 32 | Selective Catalytic Reduction relay supply, vehicles with exhaust gas aftertreatment KEYLESS ENTRY | 5 10 |
| 33 | Electric sliding door, right Sliding door closing assistance, right ENR (level control) control unit Compressor air suspension | 30 15 30 30 |
| 34 | Selective Catalytic Reduction heater 3 DEF (Diesel Exhaust Fluid) supply reservoir, vehicles with exhaust gas aftertreatment, 6 cyl. Diesel (Vehicles with code MH3) (NAFTA) Selective Catalytic Reduction heater 1 DEF, vehicles with exhaust gas aftertreatment diesel (Not for vehicles with code MH3) | 15 20 |
| 35 | Selective Catalytic Reduction heater 2 hose, vehicles with exhaust gas aftertreatment, 6 cyl. Diesel (Vehicles with code MH3) (NAFTA) Selective Catalytic Reduction heater 2 DEF, vehicles with exhaust gas aftertreatment diesel (Not for vehicles with code MH3) | 15 25 |
| 36 | Selective Catalytic Reduction heater 1 delivery pump, vehicles with exhaust gas aftertreatment, 6 cyl. Diesel (Vehicles with code MH3) (NAFTA) Selective Catalytic Reduction heater control 3 DEF, vehicles with exhaust gas aftertreatment diesel (Not for vehicles with code MH3) | 10 15 |
| Fuse block F55/7 | ||
| 37 | COLLISION PREVENTION ASSIST/FCW (Forward Collision Warning) Blind Spot Assist/BSM (Blind Spot Monitor) | 5 5 |
| 38 | Multifunction camera with Highbeam Assist With a warning when leaving a lane | 10 10 |
| 39 | Body electrics (courier vehicles) Rear-compartment air-conditioning system Roof ventilator Siren | 7.5 7.5 15 15 |
| 40 | Auxiliary battery charge current (Vehicles with auxiliary battery) | 15 |
| 41 | SAM (signal acquisition and actuation module) auxiliary battery reference voltage (Vehicles with auxiliary battery) | 7.5 |
| 42 | Rear-compartment air-conditioning system | 30 |
| 43 | Electrical step/sliding door, right | 10 |
| 44 | Electrical step/sliding door, left | 10 |
| 45 | Electrical step, control system and warning buzzer | 5 |
Pre-fuse box
Pre-fuse box in the battery compartment in the footwell on the left-hand side of the vehicle F59
| Fuse Number | Protected Components | Fuse Amp. Rating |
|---|---|---|
| 1 | Preglow relay Secondary air pump for vehicles with a gasoline engine | 80 40 |
| 2 | Air-conditioning system coolingfan – cab without partition and without rear-compartment air-conditioning system Air-conditioning system cooling fan – cab with partition and reinforced without rear-compartment air-conditioning system Air-conditioning system cooling fan – cab/ Electrical suction fan Starter relay, terminal 15 (Vehicles with code XM0) Starter relay unsupported (Vehicles with code XM0) | 60 40 40 25 25 |
| 3 | SAM (signal acquisition and actuation module)/SRB (fuse and relay module) | 80 |
| 4 | Auxiliary battery/ retarder Rear-compartment air-conditioning system | 150 80 |
| 5 | Terminal 30 pre-fuse boxes, SAM (signal acquisition and actuation module)/SRB (fuse and relay module) Terminal 30 electrical heater booster (PTC) input (Vehicles with code XM0) | 150 Bridge |
| 6 | Connection point on the base of the seat Pre-fuse box in the base of the seat (Vehicles with code XM0) | Bridge Bridge |
| 7 | Rear-compartment air-conditioning system Electrical heater booster PTC | 80 150 |
Pre-fuse box at the base of the driver’s seat (only for auxiliary battery) F59/7
| Fuse Number | Protected Components | Fuse Amp. Rating |
|---|---|---|
| 1 | Unassigned | – |
| 2 | SAM (signal acquisition and actuation module)/SRB (fuse and relay module) | 80 |
| 3 | Unassigned | – |
| 4 | Auxiliary battery input | 150 |
| 5 | Connection point on the base of the seat Pre-fuse box at the base of the seat | Bridge |
| 6 | SAM (signal acquisition and actuation module)/SRB (fuse and relay module), terminal 30 fuse box | 150 |
| 7 | Additional battery input Connection for socket fuse on vehicles with additional battery | Bridge |
| 8 | Retarder in combination with battery cutoff relay | 100 |
| 9 | Additional battery | 150 |
| 10 | Snowplow hydraulic pump Loading tailgate Tipper | 250 |
Pre-fuse box at the base of the driver’s seat (only for auxiliary battery) F59/8
| Fuse Number | Protected Components | Fuse Amp. Rating |
|---|---|---|
| 11 | Terminal 30 starter battery input | Bridge |
| 12 | Unassigned | – |
| 13 | Electrical heater booster (PTC) Rear-compartment air-conditioning system | 150 80 |
| 14 | Air-conditioning system coolingfan – cab without partition and without rear-compartment air-conditioning system Air-conditioning system cooling fan – cab with partition and reinforced without rear-compartment air-conditioning system Air-conditioning system cooling fan – cab open vehicle model designation Electrical suction fan | 60 40 40 70 |
| 15 | Unassigned | |
| 16 | Retarder not in combination with battery cutoff relay Battery cutoff relay | 100 150 |
| 17 | Unassigned | – |
| 18 | Alternator | 300 |
Relays in the seat base of the left front seat
| Relay Number | Relays | Protected Components |
|---|---|---|
| R1 | K6 | Starter relay, right-hand drive (Vehicles with code XM0) |
| R2 | K41 | Load relief relay, terminal 15 |
| R3 | K41/5 | Starter relay, terminal 15 |
| R4 | K64 K110 | Secondary air injection/secondary air pump relay SCR relay, vehicles with exhaust gas aftertreatment (Selective Catalytic Reduction) |
| R5 | K27 | Fuel pump relay |
| R6 | K23/1 | Blower relay, front, blower setting 1 |
| R7 | K41/2 | Load relief relay, terminal 15 R |
| R8 | K6/1 K6 | Starter relay, additional battery Starter relay, left-hand drive (Vehicles with code XM0) |
| R9 | K13/5 | Rear window defroster relay 1 |
| R10 | K13/6 K51/15 | Rear window defroster relay 2 with ATA (Anti-Theft Alarm system) Snow plow relay, low-beam headlamps, left |
| R11 | K117/3 K51/16 | Electrical step relay 1, left Snow plow relay, low-beam headlamps, right |
| R12 | K117/4 K51/17 | Electrical step relay 2, left Snow plow relay, high-beam headlamps, left |
| R13 | K41/3 K51/18 | Load relief relay, terminal 15 (2) Snow plow relay, high-beam headlamps, right |
| R14 | K13/7 | Windshield heating relay 1 |
| R15 | K88 | Body manufacturer relay, terminal 15 |
| R16 | K88/1 | Body manufacturer relay, terminal 61 (D+) |
| R17 | K95 K93 | Loading tailgate basic wiring relay Comfort illumination relay |
| R18 | K2 | Headlamp cleaning system relay |
| R19 | K51/10 | Beacon with siren relay |
| R20 | K39/3 | ATA (anti-theft alarm system) relay, horn |
| R21 | K108 K116 K23/2 | Perimeter/identification lighting relay (NAFTA) License plate lamp relay (courier vehicles) Blower relay, hot-air auxiliary heating, blower setting 1 |
| R22 | K23/3 | Blower relay, hot-air auxiliary heating, blower setting 2 |
| R23 | K39/1 K124/1 | Siren relay Terminal 61 (D+) relay, anti-theft protection with vehicle tracking |
| R24 | K117/1 | Electrical step relay 1, right |
| R25 | K117/2 | Electrical step relay 2, right |
| R26 | K121 K124 | Reverse warning device off relay Anti-theft protection with vehicle tracking relay |
Other relays
| Relay | Description |
|---|---|
| K57 | Battery cutoff relay, left-hand-drive vehicle |
| K57/4 | Battery cutoff relay, right-hand-drive vehicle |
| K9 | Air-conditioning system relay, auxiliary fan (duo) |
| K9/2 | Air-conditioning system relay, auxiliary fan (mono) |
| K9/5 | Rear-compartment air conditioning relay, auxiliary fan |
| K120 | Auxiliary battery relay (Vehicles with auxiliary battery) |
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.