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Fuse box diagram (fuse layout), location, and assignment of fuses and relays Smart City-Coupe / Fortwo (A450, C450) (1998, 1999, 2000, 2001, 2002).
Checking and Replacing Fuses
The electrical fuses in your vehicle serve to switch off malfunctioning power circuits. If a fuse is blown, the components and systems secured by that fuse will stop operating. A blown fuse can be identified by the melted metal strip inside it.
Before replacing fuses:
- Set the parking brake.
- Make sure the gear selector lever is in park position P.
- Turn off all electrical accessories.
- Turn off the engine.
- Remove the key from the starter switch.
A blown fuse must be replaced by an appropriate spare fuse (recognizable by its color or the fuse rating given on the fuse) of the amperage recommended in the fuse chart.
- From the fuse chart determine which fuse belongs to the malfunctioning accessory or component.
- Remove the respective fuse.
- Replace the defective fuse with a new one of the same amperage.
If a newly inserted fuse blows again, have the cause determined and rectified at an authorized Smart center.
Notice
- Only use fuses approved by Smart with the specified amperage for the system in question and do not attempt to repair or bridge a blown fuse this may cause an overload leading to a fire, and/or cause damage to electrical components and/or systems. Contact a smart center if you encounter any electrical problems.
- Never use a fuse with a higher amperage rating, or any other object, in place of a fuse. This may cause extensive damage and possibly a fire.
- We recommend always carrying replacement fuses in the vehicle.
Location
- F1 – Under the dashboard;
- F2 – Under the carpet, under the left seat
Instrument Panel Fuse Box Diagram
The fuse box is located on the driver’s side below the dashboard.
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| № | Fused function | A |
|---|---|---|
| 1 | Right standing lamp and taillamp, instrument lighting, license plate lamp | 7.5 |
| 2 | Left standing lamp and taillamp | 7.5 |
| 3 | Front fog lamp | 15 |
| 4 | Rear fog lamp | 7.5 |
| 5 | Left low beam with headlamp range adjustment | 7.5 |
| 6 | Right low beam with headlamp range adjustment | 7.5 |
| 7 | Left high beam, high beam indicator | 7.5 |
| 8 | Right high beam | 7.5 |
| 9 | Engine 160 as of 16.11.99: Ignition coil, starter | 25 |
| Engine 660 as of 16.11.99: Starter | 15 | |
| 10 | as of 16.11.99: Turn signal lamps, stop lamps | 15 |
| 11 | Radio, navigation system, CD changer, instrument cluster, tachometer, backup lamp, automatic child seat recognition, diagnostic socket, PTC heater booster switch (engine 660) | 15 |
| 12 | 12 volt socket | 15 |
| 13 | Rear interior lamp, diagnostic socket | 15 |
| 14 | Radio, navigation system, CD changer | 15 |
| 15 | Control modules: instrument cluster, ZEE, central locking, anti-theft alarm system, trunk lid remote unlocking, front interior lamp | 7.5 |
| 16 | Central locking, safety console, clock, horn, trunk lid remote unlocking, interior lamp | 15 |
| 17 | Rear window wiper motor | 15 |
| Cabrio: Heated seats | 25 | |
| 18 | Heated seats | 25 |
| Cabrio: Soft top motor | ||
| 19 | Cabrio: Soft top motor | 25 |
| Glass sliding roof | 15 | |
| 20 | Engine 160: Engine control module | 7.5 |
| 21 | Rear window heater, engine fan | 30 |
| 22 | as of 16.11.99: Gearshift system, circuit 30 relay box | 40 |
| up to 15.11.99: Turn signal lamps, stop lamps | 15 | |
| 23 | Heater fan | 20 |
| 24 | Left and right power windows | 30 |
| 25 | Front wiper, washer pump, rear wiper | 20 |
| 26 | Control modules: ABS, airbag, ZEE | 7.5 |
| 27 | ABS | 50 |
| A | Fog lamp relay | |
| B | up to 15.11.99: CL opening relay | |
| as of 16.11.99: Remote trunk opening relay | ||
| C | up to 15.11.99: CL closing relay | |
| as of 16.11.99: Rear wiper intermittent wipe relay | ||
| D | Horn relay | |
| E | up to 15.11.99: Remote trunk opening relay | |
| as of 16.11.99: Heater blower, power window and relief relay | ||
| F | Heated rear window relay | |
| G | Engine fan relay | |
| H | Left turn signal indicator relay | |
| I | Right turn signal indicator relay | |
| K | up to 15.11.99: Heater blower, power window and relief relay | |
| as of 16.11.99: Front wiper intermittent wipe relay | ||
| L | Headlamp relay | |
| M | Headlamp relay | |
Fuse Box Under the Left Seat
| № | Fused function | A |
|---|---|---|
| S1 | Charge air cooler, refrigerant compressor magnetic clutch | 15 |
| S2 | Fuel pump | 10 |
| S3 | Engine 160: Injection valves, MEG | 15 |
| Engine 660: Injectors, electrical cut-off, pressure valve | ||
| S4 | Engine 160: Tank vent valve, oxygen sensor | 10 |
| Engine 660: Glow time control | ||
| P | Electric fuel pump relay | |
| Q | Automated manual transmission relay | |
| R | Main relay | |
| S | Charge air cooler fan relay | |
| T | Starter relay | |
| U | Air conditioner compressor magnetic clutch relay | |
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