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Smart Roadster was produced from 2003 to 2006. In this article, you will find fuse box diagrams of Smart Roadster 2003, 2004, 2005 and 2006, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.
Fuse Layout Smart Roadster 2003-2006
Cigar lighter (power outlet) fuse in the Smart Roadster is the fuse #21 in the Instrument panel fuse box.
Table of Contents
Fuse box location
The fuse box is located under the instrument panel (on the left side).
Fuse box diagram
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Assignment of the fuses and relays in the Passenger Compartment
| № | Description | Amp |
|---|---|---|
| 1 | Starter | 25 |
| 2 | Windscreen wipers, washer pump | 20 |
| 3 | Heater blower, seat heater | 20 |
| 4 | Power windows | 30 |
| 5 | Light switch | 7.5 |
| 6 | Parking lights/tail lights, right | 7.5 |
| 7 | Parking lights/tail lights, left | 7.5 |
| 8 | Terminal 87/3 master relay (engine) | 20 |
| 9 | Terminal 87/2 master relay (engine) | 10 |
| 10 | Terminal 87/1 master relay (engine) | 15 |
| 11 | Instrument cluster, safety cluster, OBD, Horn (only with leather sport steering wheel with steering wheel rocker switch system) | 7.5 |
| 12 | Radio CD, interior light | 15 |
| 13 | Fog lamps | 15 |
| 14 | ESP valves | 25 |
| 15 | Charge air cooler, Air conditioning compressor | 15 |
| 16 | Electric fuel pump | 10 |
| 17 | Rear window wiper | 15 |
| 18 | Airbag triggering device, ESP | 7.5 |
| 19 | Mirror adjustment | 7.5 |
| 20 | Radio, CD, instrument cluster, tachometer, OBD, backup lamp, CD changer | 15 |
| 21 | Power socket, Cigarette lighter | 15 |
| 22 | Low beam light, right | 7.5 |
| 23 | Low beam light, left | 7.5 |
| 24 | High beam light, right | 7.5 |
| 25 | High beam light, left/combined light | 7.5 |
| 26 | Brake light | 15 |
| 27 | Engine control unit | 7.5 |
| 28 | Rear window heater/engine fan | 30 |
| 29 | Soft top | 30 |
| 30 | Manual gearbox | 40 |
| 31 | Horn, central locking, rear lid remote unlocking | 30 |
| 32 | Secondary air injection pump (emission control) | 30 |
| 33 | Ignition switch | 50 |
| 34 | ESP control unit | 50 |
| 35 | Steering assist control unit | 30 |
| 36 | Backup fuse 15 | – |
| 37 | Backup fuse 15 (W450, glass sliding roof) | 15 |
| 38 | Backup fuse 15 | – |
| 39 | Backup fuse 15 | – |
| 40 | Backup fuse 30 | – |
| 41 | Backup fuse 30 | – |
| 42 | Backup fuse 30 | – |
| 43 | Backup fuse 30 | 25 |
| 44 | Backup fuse 30, seat heater | 25 |
| Relays | ||
| A | Wiper system relay | |
| B | Fog lamp relay | |
| C | Left heated seat control unit | |
| D | Right heated seat control unit |
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