fortwo mk5 fuse arrangement...

Fuse No.	Fuse Rating	Fuse Colour	Function
1	7.5A	Brown	Parking and tail lights, R. Terminal 58f. Instrument Panel Illumination, Numberplate lights.
2	7.5A	Brown	Parking and tail lights, L.
3	15A	Blue	Front Fog Lights.
4	7.5A	Brown	Rear Fog Lights.
5	7.5A	Brown	Low beam light with range adjustor, L.
6	7.5A	Brown	Low beam light with range adjustor, R.
7	7.5A	Brown	High beam light, L. High beam tell-tale.
8	7.5A	Brown	High beam light, R.
9	25A 15A	Neutral Blue	Ignition coil, starter B01 Starter, D01.
10	15A	Blue	Indicator lamp, brake lights.
11	15A	Blue	Radio, CD-changer, Instrument Cluster, Tacho, back-up light, seat sensor, OBD socket.
12	15A	Blue	12V Power Socket.
13	15A	Blue	Interior Illumination, rear diagnosis socket.
14	15A	Blue	Radio / CD-changer.
15	7.5A	Brown	Instrument cluster, remote control receiver, central-locking, alarm, remote tailgate lock switch.
16	15A	Blue	Remote locking actuators, safety unit, clock, horn, lower interior light, remote tailgate unlocking.
17	15A	Blue	Rear Wiper.
18	25A	Neutral	Soft top motor 1.
19	25A	Neutral	Soft top motor 2.
20	7.5A	Brown	ECU (petrol engine).
21	30A	Green	Rear window heater, engine fan.
22	40A	Orange	Wiring system.
23	20A	Yellow	Heater blower.
24	30A	Green	Window regulator L & R.
25	20A	Yellow	Windscreen wiper, washer pump.
26	7.5A	Brown	ABS control units, engine control units, central control unit.
27	50A	Red	ABS Control Unit

There are an additional group of fuses located under the passenger side carpet. for information on these fuses, please look here.

Whenever replacing fuses, do so with one of the same rating. Never put a fuse in of higher rating, unless you know what you are doing.