Smart Roadster (2003-2006) fuses and relays

 

Smart Roadster was produced from 2003 to 2006. In this article, you will find fuse box diagrams of Smart Roadster 2003, 2004, 2005 and 2006, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Smart Roadster 2003-2006


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


Fuse box location

The fuse box is located under the instrument panel (on the left side).The location of the fuses in the passenger compartment: Smart Roadster (2003, 2004, 2005, 2006)

Fuse box diagram

Interior fuse box diagram: Smart Roadster (2003, 2004, 2005, 2006)

 

Assignment of the fuses and relays in the Passenger Compartment

Description Amp
1 Starter 25
2 Windscreen wipers, washer pump 20
3 Heater blower, seat heater 20
4 Power windows 30
5 Light switch 7.5
6 Parking lights/tail lights, right 7.5
7 Parking lights/tail lights, left 7.5
8 Terminal 87/3 master relay (engine) 20
9 Terminal 87/2 master relay (engine) 10
10 Terminal 87/1 master relay (engine) 15
11 Instrument cluster, safety cluster, OBD, Horn (only with leather sport steering wheel with steering wheel rocker switch system) 7.5
12 Radio CD, interior light 15
13 Fog lamps 15
14 ESP valves 25
15 Charge air cooler, Air conditioning compressor 15
16 Electric fuel pump 10
17 Rear window wiper 15
18 Airbag triggering device, ESP 7.5
19 Mirror adjustment 7.5
20 Radio, CD, instrument cluster, tachometer, OBD, backup lamp, CD changer 15
21 Power socket,  Cigarette lighter 15
22 Low beam light, right 7.5
23 Low beam light, left 7.5
24 High beam light, right 7.5
25 High beam light, left/combined light 7.5
26 Brake light 15
27 Engine control unit 7.5
28 Rear window heater/engine fan 30
29 Soft top 30
30 Manual gearbox 40
31 Horn, central locking, rear lid remote unlocking 30
32 Secondary air injection pump (emission control) 30
33 Ignition switch 50
34 ESP control unit 50
35 Steering assist control unit 30
36 Backup fuse 15
37 Backup fuse 15 (W450, glass sliding roof) 15
38 Backup fuse 15
39 Backup fuse 15
40 Backup fuse 30
41 Backup fuse 30
42 Backup fuse 30
43 Backup fuse 30 25
44 Backup fuse 30, seat heater 25
Relays
A Wiper system relay
B Fog lamp relay
C Left heated seat control unit
D Right heated seat control unit


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