2007-2015 Smart Fortwo and Fortwo Cabrio

09.08.2016 (US:08.09.16), Category: Smart / Fortwo
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.

Passenger Compartment Fuse Box

2007-2015 Smart Fortwo - Location of the Fuse Box

The fuse box is located on the driver’s side below the dashboard.

2007-2015 Smart Fortwo - Diagram of the Fuse Box


Fuses Specifications
No. A Description
1 25 Engine 132.9, 660.9: Starter
Engine 780.009: Brake booster vacuum pump
2 25 Wiper motor
3 20 Power window convenience feature control unit
4 25 Blower motor
5 10 Left front fog lamp
Right front fog lamp
6 7.5 Right taillight
Right parking lamp
Left license plate lamp
Right license plate lamp
7 7.5 Left taillight
Left parking light
8 25 Engine 132.9:
   Secondary air injection pump relay
   ME-SFI [ME] control unit
   Electronic selector lever module control unit
   Automated manual transmission control unit
   Cylinder 1 ignition coil
   Cylinder 2 ignition coil
   Cylinder 3 ignition coil
Engine 660.9:
   CDI control unit
   Electronic selector lever module control unit
   Automated manual transmission control unit
Engine 780.009: High-voltage battery heater
9 7.5 Engine 132.9:
   O2 sensor downstream of CAT
   O2 sensor upstream of CAT
   Adjustable camshaft timing solenoid
   External air shutoff valve
   Activated charcoal canister shutoff valve
   EGR switchover valve (with engine 132.910)
   Tank vent valve
   Pressure regulator valve(for engine 132.930)
Engine 780.009: Electric drive and high-voltage charger fan motor
Engine 660.9: CDI control unit
10 15 Engine 132.9:
   O2 sensor upstream of CAT
   Secondary air injection pump switchover valve
   Cylinder 1 fuel injection valve
   Cylinder 2 fuel injection valve
   Cylinder 3 fuel injection valve
Engine 780.009:
   Electric drive and high-voltage charger coolant pump
   Battery cooling system coolant pump
Engine 660.9:
   Hot film mass air flow sensor
   O2-sensor upstream of CAT
   CDI control unit
   Glow output stage
   EGR switchover valve
11 25 ESP control unit
12 10 Instrument cluster
Additional instruments
Microwave sensor
Rain sensor / light sensor
Alarm siren with inclination sensor
Left turn signal lamps/brake light relay
Right turn signal lamps/brake light relay
Mirror heater relay
Automated manual transmission control unit
TPM [RDK] control unit
Combination switch
Cockpit switch group
Data link connector
Starter-alternator control unit
STH radio remote control receiver (engine 780.009)
Rear fog light relay
13 15 Spare fuse
14 15 Refrigerant compressor
Charge air fan motor
15 15 Smart radio 9
Smart radio 10
Front interior lamp
Soft top OPEN relay
Soft top CLOSE relay
16 15 Engine 132.9:
   Fuel pump with fuel gauge sensor
   ME-SFI [ME] control unit
Engine 660.9:
   Fuel pump with fuel gauge sensor
   CDI control unit
Engine 780.009: Blower motor relay 1
17 15 Rear-end door wiper motor
18 10 Instrument cluster
Yaw rate sensor for lateral and longitudinal acceleration
Seat occupied recognition pressure sensor
Automatic child seat recognition airbag OFF indicator lamp
Restraint systems control unit
ESP control unit
Steering angle sensor
Steering assist control unit
Driver side seat belt buckle restraint systems switch
Front passenger-side seat belt buckle restraint systems switch
19 7,5 Engine 132.9:
   ME-SFI [ME] control unit
   Automated manual transmission control unit
   Data link connector
   TPM [RDK] control unit
   Starter-alternator control unit
Engine 780.009: Data link connector
Engine 660.9:
   CDI control unit
   Automated manual transmission control unit
   Data link connector
20 10 Smart radio 9
Smart radio 10
Heater/air conditioning operating unit
Front seat heater (SIH) control unit
Right wiper switch
Outside mirror adjustment switch
Electrically adjustable and heated outside mirrors
Soft top operation
Electronic selector lever module control unit
21 15 Interior socket
22 7.5 Left low beam
23 7.5 Right low beam
24 15 Engine 132.9: Electronic selector lever module control unit
Engine 132.9, 660.9, 780.009:
   Rear fog light relay
   Stop light switch
25 7.5 Right high beam
26 7.5 Left high beam
27 7.5 Engine 132.9: ME-SFI [ME] control unit
28 40 Heated rear window
29 30 Soft top OPEN relay
Soft top CLOSE relay
30 40 Engine 132.9, 660.9: Automated manual transmission control unit
Engine 780.009: High-voltage battery and interior fan motor
31 20 Horn
Right door CL motor
Left front door central locking motor
Rear-end door CL [ZV] motor
Fuel filler flap CL [ZV] motor
Horn switch
R1 7.5 Engine 132.9, 660.9: Mirror heater relay
R2 7.5 Engine 132.9: Stop light switch
R3 - Vacant
R4 7.5- Engine 780.009: Mirror heater relay
R5 7.5 Engine 780.009:
   High-voltage charger control unit
   External socket communications control unit
R6 15 Engine 780.009: EVCM electric vehicle control unit
10 Engine 132.9, 660.9:
   Backup lamp relay
   Brake light relay
R7 - as of 2.9.10; engine 132.9: Front interior lamp
Engine 660.9: Front interior lamp
10 Engine 780.009: EDCM electric motor control unit
R8 20 as of 2.9.10; engine 132.9: Sound system amplifier
Engine 660.9: Sound system amplifier
7.5 Engine 780.009: PDU high-voltage distributor control unit
R9 25 Engine 132.9, 660.9: Front seat heater (SIH) control unit
25 Engine 780.009: Brake booster vacuum pump control unit

Engine:

  • M132 - 1.0L and M132 Turbo (petrol)
  • OM 660 - 0.8L (diesel)
  • 780.009 - Electric Drive

Rear side

2007-2015 Smart Fortwo - Schematic of the Fuse Block


Fuses Specifications
No. A Description
32 - Vacant
33 50 Ignition/starter switch
34 40 ESP control unit
35 30 Steering assist control unit

Location of Relay

2007-2015 Smart Fortwo - Location of Relay
Relay
No. Description
A Left turn signal/stop lamp relay
High-voltage battery heater booster relay (only ECE vehicles)
B Right turn signal/stop lamp relay
Radiator fan motor relay (only ECE vehicles)
Fuel pump relay
C Mirror heater relay
Rear fog light relay
K57 High-voltage battery heater booster relay
K59 Radiator fan motor relay


2007-2015 Smart Fortwo - Location of Blower Motor Relay
Relay
No. Description
K61 Blower motor relay 1
K62 Blower motor relay 2
2007-2015 Smart Fortwo - Location of Fuse
Fuses Specifications
No. A Description
F36 50 Engine 132.9: Secondary air injection pump
F58 60 Engine 780.009: EDCM electric motor control unit
200 Engine 132.9:
   Starter
   Alternator
F91 100 SAM control unit

Location and description of fuses and relay Smart Fortwo (C451), Smart Fortwo Cabrio (C451) and Smart Fortwo Electric Drive with petrol engine 1.0L, 1.0L Turbo, 1.0L Brabus or diesel engine 0.8L CDI (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014)