Where is the fuse box located in Mercedes-Benz Sprinter (W903 / W906 / W907) & Vito / Viano (W638 / W639 / W447)?

Vůz Mercedes-Benz Sprinter (W903 / W906 / W907) & Vito / Viano (W638 / W639 / W447) (1996 – 2024) has two main fuse boxes: 1. Interior cabin fuse panel under the dashboard (behind the side cover by the driver's door or behind the glovebox/storage compartment) and 2. Engine bay fuse & relay box next to the battery.

Which fuse is for the 12V cigarette lighter socket and wipers on Mercedes-Benz Sprinter (W903 / W906 / W907) & Vito / Viano (W638 / W639 / W447)?

The cigarette lighter and 12V accessory socket fuse on Mercedes-Benz Sprinter (W903 / W906 / W907) & Vito / Viano (W638 / W639 / W447) is rated 15A (blue) or 20A (yellow) and is located in the cabin fuse box. The front wiper and washer fuse is rated 15A to 25A.

Fuse Box Diagram & Relay Catalog • Years 1996 – 2024

Fuse Box Diagram Mercedes-Benz Sprinter (W903 / W906 / W907) & Vito / Viano (W638 / W639 / W447) – Fuse Box Location & Amperage

Did the 12V cigarette lighter socket, washer pump, wipers or headlights stop working in your Mercedes-Benz Sprinter (W903 / W906 / W907) & Vito / Viano (W638 / W639 / W447) ? Here you will find the exact location of both fuse boxes, fuse amperage ratings (A) and blade fuse types.

📍 1. Interior Cabin Fuse Box (Dashboard)

Located under the dashboard on the driver's side (behind the side dashboard trim panel when the door is open, or behind the storage compartment below the steering wheel). Protects 12V sockets, radio, wipers, power windows and central locking.

📍 2. Engine Bay Fuse & Relay Box

Located under the hood next to the car battery (12V 95Ah AGM or 100Ah). Contains main high-current maxi fuses (40A–80A), glow plug relay, radiator cooling fan relay, ABS/ESP pump fuses and ECU main relay.

🔌 Buy Car Blade Fuse Assortment Kit → 📱 OBD2 Mobile Fault Scanner → 🔋 Replacement Car Battery → 💡 Headlight Bulbs & LED (H7) →

Most Common Fuses & Electrical Circuits (Mercedes-Benz Sprinter (W903 / W906 / W907) & Vito / Viano (W638 / W639 / W447)):

🔋 Car Battery Specification for Mercedes-Benz Sprinter →

Protected Circuit / Component	Fuse Rating & Color	Fuse Box Location	Symptom When Blown
🔥 Cigarette Lighter / 12V Power Socket (Front & Trunk)	15 A (blue) or 20 A (yellow)	Cabin (under dashboard)	Phone charger, dashcam or tire inflator does not work.
🌧️ Front & Rear Wipers + Washer Pump Motor	15 A (blue) / 20 A (yellow) / 25 A	Cabin / Engine Bay Box	Wipers do not move or washer pump blew fuse due to frozen fluid in winter.
🔑 Central Locking, Power Windows & Heated Mirrors	20 A (yellow) to 30 A (green)	Cabin (BCM comfort module)	Power windows do not operate or doors/trunk fail to lock.
♨️ Heated Rear Window & Heated Front Seats	25 A (clear/white) or 30 A (green)	Cabin (lower fuse row)	Heated seats do not warm up or rear window defroster fails.
📻 Car Radio, Infotainment, USB & Instrument Cluster	7.5 A (brown) / 10 A (red) / 15 A	Cabin + mini fuse on back of radio unit	Blank infotainment screen or unpowered OBD2 diagnostic port.
💡 Low Beam, High Beam & Fog Lights (H7)	10 A (red) or 15 A (blue)	Engine Bay Box / Cabin	Left or right headlight side stays dark even after installing a new bulb.
⛽ Fuel Pump, Ignition Coils & ECU Main Relay	15 A (blue) or 20 A (yellow)	Engine bay box next to battery	Starter cranks normally, but engine does not fire (no fuel delivery).
❄️ Cabin Heater Blower & Radiator Cooling Fan	30 A (green) to 50 A (Maxi fuse)	Engine Bay Box / Cabin	Cabin A/C blower does not blow air or engine overheats in traffic.