Smart Fortwo (W450; 1998-2002) fuses and relays



In this article, we consider the first-generation Smart City Coupe (Fortwo, SmartCar) (W450) before a facelift, produced from 1998 to 2002. Here you will find fuse box diagrams of Smart Fortwo 1998, 1999, 2000, 2001 and 2002, 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 box diagram: Smart Fortwo (W450; 1998-2002)

Cigar lighter / power outlet fuse in the Smart Fortwo is the fuse #12 in the Instrument panel fuse box.

Instrument Panel Fuse Box

The fuse box is located under the instrument panel (on the left side).The location of the fuses in the passenger compartment: Smart Fortwo (1998-2002)

Fuse box diagram

Interior fuse box diagram: Smart Fortwo (1998, 1999, 2000, 2001, 2002)



Assignment of the fuses and relays in the Instrument Panel
1Right standing lamp and taillamp, instrument lighting, license plate lamp7.5
2Left standing lamp and taillamp7.5
3Front fog lamp15
4Rear fog lamp7.5
5Left low beam with headlamp range adjustment7.5
6Right low beam with headlamp range adjustment7.5
7Left high beam, high beam indicator7.5
8Right high beam7.5
9Petrol as of 16.11.99: Ignition coil, starter
Diesel as of 16.11.99: Starter
10Turn signal lamps, stop lamps15
11Radio, navigation system, CD changer, instrument cluster, tachometer, backup lamp, automatic child seat recognition, diagnostic socket, PTC heater booster switch (Diesel)15
1212 volt socket15
13Rear interior lamp, diagnostic socket15
14Radio, navigation system, CD changer15
15Control modules: instrument cluster, ZEE, central locking, anti-theft alarm system, trunk lid remote unlocking, front interior lamp7.5
16Central locking, safety console, clock, horn, trunk lid remote unlocking, interior lamp15
17Rear window wiper motor15
17Cabrio:  Heated seats25
18Heated seats25
18Cabrio:  Soft top motor25
19Cabrio:  Soft top motor25
19Glass sliding roof15
20Petrol: Engine control module7.5
21Rear window heater, engine fan30
22as of 16.11.99:  Gearshift system, circuit 30 relay box40
22up to 15.11.99:  Turn signal lamps, stop lamps15
23Heater fan20
24Left and right power windows30
25Front wiper, washer pump, rear wiper20
26Control modules: ABS, airbag, ZEE7.5
AFog lamp relay
Bup to 15.11.99:  CL opening relay
as of 16.11.99: Remote trunk opening relay
Cup to 15.11.99:  CL closing relay
as of 16.11.99: Rear wiper intermittent wipe relay
DHorn relay
Eup to 15.11.99:  Remote trunk opening relay
as of 16.11.99: Heater blower, power window and relief relay
FHeated rear window relay
GEngine fan relay
HLeft turn signal indicator relay
IRight turn signal indicator relay
Kup to 15.11.99:  Heater blower, power window and relief relay
as of 16.11.99: Front wiper intermittent wipe relay
LHeadlamp relay
MHeadlamp relay

Fuse Box under left seat


It is located under the carpet beneath the left seatFuse Box under left seat (location): Smart Fortwo (1998-2002)

Fuse box diagram

Fuse Box under left seat: Smart Fortwo (1998, 1999, 2000, 2001, 2002)

Assignment of the fuses and relays under the left seat
S1Charge air cooler, refrigerant compressor magnetic clutch15
S2Fuel pump10
S3Petrol:  Injection valves, MEG
Diesel: Injectors, electrical cut-off, pressure valve
S4Petrol:  Tank vent valve, oxygen sensor
Diesel: Glow time control
PElectric fuel pump relay
QAutomated manual transmission relay
RMain relay
SCharge air cooler fan relay
TStarter relay
UAir conditioner compressor magnetic clutch relay