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