Mercedes-Benz Sprinter Fuse Box Diagram and Location (2006-2018)

The second-generation Mercedes-Benz Sprinter (W906, NCV3), produced from 2006 to 2018, is a versatile and reliable commercial van used for cargo transport, passenger shuttles, and specialized utility applications. With its efficient diesel engines, spacious interior, and advanced safety features, the W906 remains a popular choice for businesses, fleet operators, and van life enthusiasts.

In this article, you will find fuse box diagrams for Mercedes-Benz Sprinter models produced between 2006 and 2018, covering years 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, and 2018. These diagrams provide crucial insights into the fuse layout, helping vehicle owners, mechanics, and technicians locate and understand the function of each fuse and relay.

What’s Included:

Fuse Box Diagrams – Clear and detailed visuals to help identify fuses, relays, and circuit breakers.
Fuse Panel Locations – Step-by-step guidance on where to find the fuse panels inside the Mercedes-Benz Sprinter.
Fuse Assignments – Comprehensive descriptions of each fuse and relay function for accurate diagnostics and troubleshooting.

Whether you’re searching for the fuse panel layout, replacing a blown fuse, or diagnosing an electrical issue, this guide is an essential resource. It ensures that your Mercedes-Benz Sprinter’s electrical system remains functional and reliable for commercial deliveries, passenger transport, and camper van conversions.

Keep your Mercedes-Benz Sprinter (2006–2018) running efficiently with this detailed fuse box, fuse panel, and relay guide!

The cigar lighter (power outlet) fuses in the Mercedes-Benz Sprinter are:
- Instrument Panel Fuse Box:
  - Fuse №13: Cigarette Lighter, PND (Personal Navigation Device) Power Socket
  - Fuse №25: 12V Socket – Center Console
- Fuse Box under Driver’s Seat:
  - Fuse №23: 12V Left Rear Socket (Load/Rear Compartment)
  - Fuse №24: 12V Socket under the Base of Driver’s Seat
  - Fuse №25: 12V Right Rear Socket (Load/Rear Compartment)

What’s Included

Instrument Panel Fuse Box (Main fuse box)

Fuse box location

The fuse box is located under the instrument panel on the driver’s side, behind the cover.

The location of the fuses in the passenger compartment: Mercedes-Benz Sprinter (W906/NCV3; 2006-2018)

Fuse box diagram

Assignment of the fuses and relay in the instrument panel

№	Consumer	Amp
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 box location

Fuse box diagram

Fuse Box under driver's seat (diagram): Mercedes-Benz Sprinter (2006-2018)

Assignment of the fuses and relay in the Fuse Box under driver’s seat

№	Consumer	Amp
	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

	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 aftertreatment (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

Fuse Box Location

Pre-fuse box in the battery compartment in the footwell on the left-hand side of the vehicle F59

Fuse Box Diagram

Pre-fuse box in the battery compartment in the footwell on the left-hand side of the vehicle F59

№	Consumer	Amp
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

Pre-fuse box at the base of the driver’s seat (only for auxiliary battery) F59/7

№	Consumer	Amp
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

Pre-fuse box at the base of the driver’s seat (only for auxiliary battery) F59/8

№	Consumer	Amp
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

Fuse Box Location

Under the driver’s side seat

Fuse Box Diagram

Relays in the seat base of the left front seat

№	Relays	Description
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)