Jonathan Yarden Mar 25, 2021 · 5 min. read
In this article you will find a description of fuses and relays Smart,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2002, 2003, 2004, 2005, 2006, 2007
Fuse box – location
N – Fuse Box
A – Relay
Fuse box
| No. | Fused function | 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 lamp, taillamp, backup lamp | 7,5 |
| 6 | Right standing lamp/taillamp, license plate illumination Right side-marker lamp, only for Canada |
7,5 |
| 7 | Left standing lamp/taillamp, parking lamp Left side-marker lamp, only for Canada |
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, safety console, data link connector Horn, only with leather sport steering wheel with steering wheel rocker switch system | 7,5 |
| 12 | Radio CD, interior lamp | 15 |
| 13 | Front fog lamp | 15 |
| 14 | ESP control unit | 25 |
| 15 | Charge air fan motor Air conditioning compressor, only with air conditioning system Plus |
15 |
| 16 | Electric fuel pump | 10 |
| 17 | Rear window wiper (fortwo coupe) | 15 |
| 18 | ESP control unit, restraint systems control unit | 7,5 |
| 19 | Outside mirror adjustment, only with electrically adjustable and heated outside mirrors | 7,5 |
| 20 | Radio, instrument cluster, tachometer, data link connector, backup lamp CD changer | 15 |
| 21 | Interior socket Cigarette lighter, only with smoking set |
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 control unit, EDG engine control unit | 7,5 |
| 28 | Rear window heater (fortwo coupe), cooling fan motor | 30 |
| 29 | Soft top (fortwo cabrio) Electric glass sliding roof (as of model year 2005) |
30 |
| 30 | Electronic selector lever module control unit | 40 |
| 31 | Horn, central locking, remote trunk lid release | 30 |
| R1 | Electric glass sliding roof (up to model year 2004) | 15 |
| R2 | Multifunction control unit, only for Canada | 5 |
| R3 | vacant | — |
| R4 | vacant | — |
| R5 | Multifunction control unit, only for Canada | 15 |
| R6 | vacant | — |
| R7 | vacant | — |
| R8 | Soft top (fortwo cabrio) | 25 |
| R9 | Heated seats | 25 |
Fuse box (rear)
| No. | Fused function | A |
| 32 | Secondary air injection pump (emission control) | 30 |
| 33 | Ignition switch | 50 |
| 34 | ESP control unit (N47-5) | 50 |
| 35 | Steering assist control unit (N68) | 30 |
Relay
| No. | Relay |
| A | Fog lamp relay |
| B | Left heated seat control unit |
| C | Right heated seat control unit |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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