Smart Fortwo (A450, C450) (2002-2007) – fuse and relay box
Diagrams of fuse boxes and relays – Smart Fortwo W450
Applies to vehicles manufactured in the years:
2002, 2003, 2004, 2005, 2006, 2007.
The cigarette lighter (sockets) in the Smart Fortwo is fuse number 21 in the fuse box of the instrument panel.
Fuse box – location
N – Fuse box
A – Relays
Fuse box
| Number | Description | Amperes [A] |
| 1 | Starter | 25 |
| 2 | Windshield wiper, washer pump | 20 |
| 3 | Heater blower; Heated seats, only with heated seats. |
20 |
| 4 | Left / right power window | 30 |
| 5 | Low beam, high beam, front fog light, tail light, reverse light | 7.5 |
| 6 | Right standing / tail lamp, license plate light; Right side marker lamp, for Canada only. |
7.5 |
| 7 | Left standing lamp / tail light, parking light; Left side marker lamp, for Canada only. |
7.5 |
| 8 | Engine main relay, circuit 87/3 | 20 |
| 9 | Engine main relay, circuit 87/2 | 10 |
| 10 | Engine main relay, circuit 87/1 | 15 |
| 11 | Instrument cluster, security console, data link connector;
Horn, only with leather sports steering wheel with steering wheel rocker switch system. |
7.5 |
| 12 | Radio CD, interior lighting | 15 |
| 13 | Front fog lamp | 15 |
| 14 | ESP control unit | 25 |
| 15 | Charge air fan motor; Air conditioning compressor, only with Plus air conditioning system. |
15 |
| 16 | Electric fuel pump | 10 |
| 17 | Rear window wiper ( Fortwo coupe) | 15 |
| 18 | ESP control unit, control unit for restraint systems | 7.5 |
| 19 | Outside mirror adjustment, only with electrically adjustable and heated exterior mirrors | 7.5 |
| 20 | Radio, instrument cluster, tachometer, data link connector, spare lamp CD changer | 15 |
| 21 | Internal socket; Cigarette lighter, only with smoking kit. |
15 |
| 22 | Right low beam | 7.5 |
| 23 | Left low beam | 7.5 |
| 24 | Right high beam | 7.5 |
| 25 | Left high beam, high beam indicator lamp | 7.5 |
| 26 | Stop lamps | 15 |
| 27 | MEG engine electronics controller, EDG engine controller | 7.5 |
| 28 | Rear window heating ( Fortwo coupe), cooling fan motor | 30 |
| 29 | Soft top ( Fortwo convertible); Electric sliding glass sunroof (as of model year 2005). |
30 |
| 30 | Electronic gear lever module control unit | 40 |
| 31 | Horn, central locking, remote trunk lid release | 30 |
| R1 | Electric glass sliding sunroof (up to model year 2004) | 15 |
| R2 | Multifunction control unit, for Canada only | 5 |
| R3 | empty | – |
| R4 | empty | – |
| R5 | Multifunction control unit, for Canada only | 15 |
| R6 | empty | – |
| R7 | empty | – |
| R8 | Soft top ( Fortwo cabrio) | 25 |
| R9 | Heated seats | 25 |
Fuse box (rear)
| Number | Description | Amperes [A] |
| 32 | Secondary Air Injection Pump (Emission Control) | 30 |
| 33 | Ignition switch | 50 |
| 34 | ESP control unit (N47-5) | 50 |
| 35 | Power steering control unit (N68) | 30 |
Relays
| Number | Relay |
| A | Fog lamp relay |
| B | Left heated seat controller |
| C. | Right heated seat control unit |
