| SB2 | 5A A | Steering angle sender |
| SB3 | 10A A | Onboard power supply control unit |
| SB4 | 10A A | Headlight range control regulatorLeft headlight range control motorRight headlight range control motor |
| SB5 | 15A A | Left headlight twin filament bulbLeft headlight dipped beam bulbSpecial vehicle fuse 3 |
| SB6 | 15A A | Left headlight twin filament bulbLeft main beam bulbSpecial vehicle fuse 6 |
| SB7 | 15A A | Onboard power supply control unit (interior light) |
| SB8 | 5A A | 16-pin connector, diagnostic connector |
| SB9 | 10A/15A A | Brake light switch (P0504, P0571, P0572, P0573) |
| SB10 | 5A/10A A | Intermittent wiper switchRear wiper switch |
| SB11 | 5A A | Number plate lightSwitches and instruments illumination regulator (2003) |
| SB12 | 15A A | Cigarette lighter |
| SB13 | 5A A | 2003-2004: Brake light additional relay2004-2009: Airbag control unit |
| SB14 | 30A A | 2003-2006:Fresh air blower switchAir conditioning system switchAuxiliary coolant heater relayFront blower Bitron regulation motor2008-2009:Headlight dipper/flasher switch |
| SB15 | 7,5A A | Air conditioning system switchFresh air/air recirculation flap switch (2004-2009)Rear fresh air blower switch (2004-2009)Climatronic control unitAir conditioning system compressor regulating valve |
| SB16 | 5A A | Onboard power supply control unit |
| SB17 | 5A A | Rear fog light cut-out contact switchRear fog light warning lampRear left fog light bulbTrailer socket |
| SB18 | 5A A | Control unit in dash panel insert |
| SB19 | 5A A | Operating and display unit for camping equipmentControl unit in dash panel insertControl unit with display for radio and navigation systemOnboard power supply control unitRoof hydraulics control unitRadioSpecial vehicle fuse 1 |
| SB20 | 5A A | Left side light bulbLeft tail light bulbLeft brake and tail light bulb10-pin connector, purpleTrailer socket |
| SB21 | 5A A | Right tail light bulbRight side light bulbRight brake and tail light bulbTrailer socket |
| SB22 | 7,5A/10A A | Control unit in dash panel insertFront passenger side airbag deactivated warning lamp16-pin connector, diagnostic connector16-pin connector, diagnostic connector 2 |
| SB24 | 5A A | Steering angle sender |
| SB25 | 5A A | Air conditioning system switchFresh air/air recirculation flap switchClimatronic control unit |
| SB26 | 30A A | Lighting switch |
| SB27 | 15A A | Right headlight twin filament bulbRight headlight dipped beam bulbSpecial vehicle fuse 4 |
| SB28 | 15A A | Main beam warning lampRight headlight twin filament bulbRight main beam bulbSpecial vehicle fuse 7 |
| SB29 | 10A A | 2004-2009: Dual signal inverter relay |
| SB30 | 10A A | Rear window wiper motorRear left wing door window wiper motorRear right wing door window wiper motorLeft washer jet heater elementRight washer jet heater element |
| SB31 | 30A A | Onboard power supply control unit (signal horn) |
| SB32 | 25A A | Onboard power supply control unit (windscreen wiper motor) |
| SB33 | 15A A | Control unit with display for radio and navigation systemTraffic information control unitRadio |
| SB34 | 25A A | 2003:Speedometer senderAir mass meterAutomatic gearbox relayEngine control unit2004-2009:Automatic gearbox relayPositive connection 1 (15), in engine harnessFuses on fuse holder D (engine compartment): №3, 12, 14, 15, 16, 17, 19, 20, 24 |
| SB35 | 5A A | Instruments illumination |
| SB36 | 25A A | Onboard power supply control unit (turn signal) |
| SC1 | 25A/15A A | 2003: 12V socket 22004-2009: Trailer socket |
| SC2 | 5A A | Interior monitor send and receive module (2003)Interior monitor send and receive module 2Anti-theft and tilt system control unit (2004-2009) |
| SC4 | 10A/15A A | 2003:12V socket 32004-2006:Four-wheel drive control unit2007-2009:Rear differential lock switchDifferential lock control unitFour-wheel drive control unit |
| SC5 | 10A/15A A | 2003: Refrigerator box2004-2009: 6-pin connector, grey |
| SC6 | 5A A | Oil level and oil temperature sender |
| SC8 | 5A A | Parking aid control unit |
| SC9 | 5A A | Multifunction steering wheel control unit |
| SC10 | 30A A | Amplifier |
| SC12 | 5A/10A A | 2003:Auxiliary coolant heater relayBrake light additional relay2004-2009:Brake light additional relay |
| SC13 | 5A A | Cruise control system switchOperating unit in steering wheelAirbag coil connector and return spring with slip ring |
| SC14 | 5A A | Mobile telephone operating electronics control unit |
| SC15 | 5A A | Gearshift indicator control unit |
| SC16 | 5A A | Control unit with display for radio and navigation systemMobile telephone operating electronics control unit (2004-2006) |
| SC17 | 5A/7,5A A | Onboard power supply control unit (interior light)Positive connection -1- (30), in main wiring harrnessRear Climatronic operating and display unit (2003-2004) |
| SC19 | 5A A | Automatic anti-dazzle interior mirror |
| SC20 | 10A A | Onboard power supply control unit (heated exterior mirror) |
| SC21 | 5A A | 2003: Interior monitor send and receive module 12004-2009: Anti-theft and tilt system control unit |
| SC22 | 5A A | High-pressure senderAir quality sensor |
| SC23 | 5A/10A A | Operating and display unit for camping equipmentAuxiliary heater operating and display unitResidual heat relayRemote control receiver for auxiliary coolant heater |
| SC24 | 5A/7,5A A | 2003-2004: Operating and display unit for camping equipment2004-2009: Positive connection in roof wiring harness (interior lighting) |
| SC25 | 15A/25A A | Heated driver seat regulatorHeated front passenger seat regulatorHeated front seats control unitHeated front passenger control unitFront passenger seat temperature sensor (2003) |
| SC27 | 15A A | Left fog light bulbRight fog light bulbSpecial vehicle fuse |
| SC28 | 5A A | Mirror adjustment switchDriver door control unit (2006-2009) |
| SC29 | 25A A | Auxiliary heater control unit |
| SC32 | 20A A | Headlight washer system relay |
| SC34 | — | 2003:Vacuum pump for brakes2004: Trailer socket2004-2009:12V socket 3 |
| SC35 | 10A A | Onboard supply control unit (reversing light models with automatic gearbox) |
| SC36 | 5A/15A A | 2003-2004:12V socket 42004-2009:Operating and display unit for camping equipment10-pin connector, purple (models with electric interface only (UF1)) |