fortwo 451 fuse arrangement...

Fuse No.	Fuse Rating	Fuse Colour	Function
1	25A	Neutral	Engine
2	25A	Neutral	Windscreen wipers
3	20A	Yellow	Electric windows L&R
4	25A	Neutral	Interior fan
5	10A	Red	Front fog lamps
6	7.5A	Brown	Right parking light, instrument lighting, terminal 58R
7	7.5A	Brown	Left parking light
8	25A	Neutral	Engine
9	7.5A	Brown	Engine
10	15A	Blue	Engine
11	25A	Neutral	ESP
12	10A	Red	Switches strip, OBD, indicators, rear fogs, transmission control unit
13	-	-	-
14	15A	Blue	Charge air cooler, air conditioning compressor
15	15A	Blue	Audio, subwoofer, interior light
16	15A	Blue	Fuel pump
17	15A	Blue	Rear Wiper (coupé only)
18	10A	Red	ESP, EPS, airbag, instrument panel
19	7.5A	Brown	Motor control unit
20	10A	Red	Aircon, electric mirrors, washer pump, audio, heated seats, SE drive switch.
21	15A	Blue	Power Socket, cigarette lighter
22	7.5A	Brown	Low Beam L
23	7.5A	Brown	Low Beam R
24	15A	Blue	Brake lamps, rain/light sensor, combination switch L
25	7.5A	Brown	High Beam R
26	7.5A	Brown	High Beam L
27	7.5A	Brown	ECU
28	40A	Orange	Rear window heater (coupé) / engine fan
29	30A	Green	Softop drive unit (cabrio)
30	40A	Orange	Relay for auto gearbox / SE drive unit
31	20A	Yellow	Horn, central locking, doors
32	-	-	-
33	50A	Red	Ignition
34	40A	Orange	ESP Pump
35	30A	Green	EPS (Power Steering)
R1	5A	Light Brown	Mirror heating
R2	-	-	-
R3	-	-	Backup fuse (ignition)
R4	-	-	Backup fuse (ignition)
R5	-	-	Backup fuse (batt. +)
R6	-	-	Backup fuse (batt. +)
R7	-	-	Backup fuse (batt. +)
R8	-	-	Backup fuse (batt. +)
R9	20A	Yellow	Heated Seats

Fuses 32-35 can be found on the rear of this SAM unit.

Expansion slots R1-R4 are switched with the ignition.

Expansion slots R5-R9 are constant live slots.