2002-2007 Smart Fortwo (W450) fuse box diagram

The Smart Fortwo W450, first generation, underwent a facelift and was produced from 2002 to 2007. If you’re looking for fuse box diagrams for these models, you can find them here. These diagrams show where the fuse panels are located inside the car, explain what each fuse is for (fuse layout), and also detail the assignment of relays. This information helps you identify and manage electrical components and systems in your Smart Fortwo.

Cigar lighter (power outlet) fuse in the Smart Fortwo is the fuse #21 in the Instrument panel fuse box.

Instrument panel

2002-2007-Smart-Fortwo-W450-instrument-panel-fuse-box-diagram-carsfuse.com
Fuse NumberDescriptionFuse Amp
1Starter25
2Windshield wiper, washer pump20
3Heater blower
Heated seats, only with heated seats
20
4Left/right power window30
5Low beam, high beam, front fog lamp, taillamp, backup lamp7.5
6Right standing lamp/taillamp, license plate illumination
Right side-marker lamp, only for Canada
7.5
7Left standing lamp/taillamp, parking lamp
Left side-marker lamp, only for Canada
7.5
8Engine main relay, circuit 87/320
9Engine main relay, circuit 87/210
10Engine main relay, circuit 87/115
11Instrument cluster, safety console, data link connector Horn, only with leather sport steering wheel with steering wheel rocker switch system7.5
12Radio CD, interior lamp15
13Front fog lamp15
14ESP control unit25
15Charge air fan motor
Air conditioning compressor, only with air conditioning system Plus
15
16Electric fuel pump10
17Rear window wiper (fortwo coupe)15
18ESP control unit, restraint systems control unit7.5
19Outside mirror adjustment, only with electrically adjustable and heated outside mirrors7.5
20Radio, instrument cluster, tachometer, data link connector, backup lamp CD changer15
21Interior socket
Cigarette lighter, only with smoking set
15
22Right low beam7.5
23Left low beam7.5
24Right high beam7.5
25Left high beam, high beam indicator lamp7.5
26Stop lamps15
27MEG engine electronics control unit, EDG engine control unit7.5
28Rear window heater (fortwo coupe), cooling fan motor30
29Soft top (fortwo cabrio)
Electric glass sliding roof (as of model year 2005)
30
30Electronic selector lever module control unit40
31Horn, central locking, remote trunk lid release30
32Secondary air injection pump (emission control)30
33Ignition switch50
34ESP control unit (N47-5)50
35Steering assist control unit (N68)30
R1Electric glass sliding roof (up to model year 2004)15
R2Multifunction control unit, only for Canada5
R3Not Used
R4Not Used
R5Multifunction control unit, only for Canada15
R6Not Used
R7Not Used
R8Soft top (fortwo cabrio)25
R9Heated seats25
Relays
AFog lamp relay
BLeft heated seat control unit
CRight heated seat control unit

Relays inside the fuse box

2002-2007-Smart-Fortwo-W450-relay-inside-the-fuse-box-diagram-carsfuse.com
Fuse NumberFusesSends Power To…
18, 9, 10Evap purge valve Z36 & Z35
2Front wiper motor
3Rear wiper motor
432Secondary air injection pump
51Starter motor
6Z24
7Rear window and side mirror heater
8Soft top motor(s)
924, 25High beam headlights
1022, 23Low beam headlights
115, 11, 12, 13, 14, 15, 16ECU, light switch, speedo, dash buttons, OBD, CD, interior light, fog lights, ESP controller, AC, charge/intercooler, fuel pump
126, 7Fuel pump, parking lights, boot release, rear lights
133, 4Heater fan, heated seats, power windows
1431Central locking
15Horn
16Boot release
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.

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