2002-2007 Smart City-Coupe and Smart Fortwo
Location and description of fuses Smart City-Coupe (2002, 2003, 2004) Smart Fortwo Coupe (C450; 2004, 2005, 2006, 2007) and Smart Fortwo Cabrio (A450; 2004, 2005, 2006, 2007) with petrol engine 0.7L Turbo (M160) or diesel engine 0.8L Turbo (OM660)
Fuse box

N - Fuse Box
A - Relay

| No. | A | Description |
|---|---|---|
| 1 | 25 | Starter |
| 2 | 20 | Windshield wiper, washer pump |
| 3 | 20 | Heater blower, heated seats |
| 4 | 30 | Left/right power window |
| 5 | 7.5 | Low beam, high beam, front fog lamp, taillamp, backup lamp |
| 6 | 7.5 | Right standing lamp/taillamp, license plate illumination Right side-marker lamp (Canada) |
| 7 | 7.5 | Left standing lamp/taillamp, parking lamp Left side-marker lamp (Canada) |
| 8 | 20 | Engine main relay, circuit 87/3 |
| 9 | 10 | Engine main relay, circuit 87/2 |
| 10 | 15 | Engine main relay, circuit 87/1 |
| 11 | 7.5 | Instrument cluster, safety console, data link connector Horn, only with leather sport steering wheel with steering wheel rocker switch system |
| 12 | 15 | Radio CD, interior lamp |
| 13 | 15 | Front fog lamp |
| 14 | 25 | ESP control unit |
| 15 | 15 | Charge air fan motor Air conditioning compressor, only with air conditioning system Plus |
| 16 | 10 | Electric fuel pump |
| 17 | 15 | Fortwo Coupe: Rear window wiper |
| 18 | 7.5 | ESP control unit, restraint systems control unit |
| 19 | 7.5 | Outside mirror adjustment, only with electrically adjustable and heated outside mirrors |
| 20 | 15 | Radio, instrument cluster, tachometer, data link connector, backup lamp, CD changer |
| 21 | 15 | Interior socket Cigarette lighter (only with smoking set) |
| 22 | 7.5 | Right low beam |
| 23 | 7.5 | Left low beam |
| 24 | 7.5 | Right high beam |
| 25 | 7.5 | Left high beam, high beam indicator lamp |
| 26 | 15 | Stop lamps |
| 27 | 7.5 | MEG engine electronics control unit, EDG engine control unit |
| 28 | 30 | Rear window heater (fortwo coupe), cooling fan motor |
| 29 | 30 | Fortwo Cabrio: Soft top |
| 30 | 2005→: Electric glass sliding roof | |
| 30 | 40 | Electronic selector lever module control unit |
| 31 | 30 | Horn, central locking, remote trunk lid release |
| R1 | 15 | →2004: Electric glass sliding roof |
| R2 | 5 | Multifunction control unit (Canada) |
| R3 | - | vacant |
| R4 | - | vacant |
| R5 | 15 | Multifunction control unit (Canada) |
| R6 | - | vacant |
| R7 | - | vacant |
| R8 | 25 | Fortwo Cabrio: Soft top |
| R9 | 25 | Heated seats |
Fuse box (back side)

| No. | A | Description |
|---|---|---|
| 32 | 30 | Secondary air injection pump (emission control) |
| 33 | 50 | Ignition switch |
| 34 | 50 | ESP control unit |
| 35 | 30 | Steering assist control unit |
Location of Relay

| No. | Description |
|---|---|
| A | Fog lamp |
| B | Left heated seat control unit |
| C | Right heated seat control unit |





