| C1 | 40 A A | Sender for front Bitron blower regulationFresh air blowerAuxiliary coolant heater relayFresh air blower switchAir conditioning system control unit |
| C2 | 60 A A | X-contact relief relayPositive connection (X), in interior wiring harness |
| C3 | 30 A A | Onboard supply control unit |
| C4 | 40 A A | Window regulator thermal fuse -S43-Fuses on fuse holder C: #18, 22, 57, 58, 59Fuses on fuse holder D: #1-7, 9Fuses in fuse holder F: 1, 2, 3, 5, 6, 7, 9, 10 |
| C5 | 7.5 A / 15 A A | Onboard supply control unit |
| C6 | 30 A A | Onboard supply control unit |
| C7 | 30 A A | Terminal 15 voltage supply relayPositive connection 2 (15) in interior wiring harness |
| C8 | 5 A A | Light switch |
| C9 | 5 A A | Steering column combination switchHeadlight dipper and flasher switchOnboard supply control unit |
| C10 | 30 A A | Control unit 1 for information electronicsRadio |
| C11 | 30 A A | Onboard supply control unit |
| C12 | 15 A A | Onboard supply control unit |
| C13 | 30 A A | Onboard supply control unit |
| C14 | 5 A A | Differential lock control unitIsolation relay for powertrain CAN bus16-pin connector (diagnostics) |
| C15 | 7.5 A A | Fresh air and air recirculation flap switchClimatronic control unitAir conditioning system control unit |
| C16 | 5 A A | Onboard supply control unit |
| C17 | 10 A A | Onboard supply control unit |
| C18 | 7.5 A A | USB hubTwo-way signal amplifier for mobile telephone/data servicesStorage compartment with interface for mobile telephoneReversing camera |
| C19 | 7.5 A A | Positive connection, in roof wiring harness |
| C20 | 7.5 A A | Positive connection 1 (30a) in main wiring harness |
| C21 | 10 A A | Onboard supply control unitRelay 1 for ignition bypassInterface for external use 6-pin connectorX-contact relief relay |
| C22 | 5 A A | Dash panel insert |
| C24 | 7.5 A A | Fresh air and air recirculation flap switchRear fresh air blower switchFresh air blower isolation relay |
| C25 | 10 A 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 |
| C27 | 25 A A | Heated front seats control unit |
| C28 | 5 A A | Auxiliary coolant heater relay |
| C29 | 10 A A | Airbag control unitWarning lamp for airbag deactivated on front passenger side |
| C30 | 10 A A | Mirror adjustment switchHeadlight range control regulatorAccident data recorder buttonHigh-pressure senderAir quality sensorOil level and oil temperature senderTrailer detector control unitParking aid control unitHeadlight range control unitAccident data memoryFront left headlightFront right headlight4-pin connector10-pin connectorDiagnostic connectionLeft headlight range control motorRight headlight range control motorCoolant shut-off valve relayClimatronic coolant shut-off valveVoltage supply relay 2Parking aid control unit |
| C32 | 7.5 A A | Light switchOperating and display unit for camping equipmentAccident data recorder buttonStart/Stop operation buttonTachographSteering angle senderElectronically controlled damping control unitMultifunction steering wheel control unitOnboard supply control unitAccident data memoryMain beam assist control unitDash panel insertAutomatic anti-dazzle interior mirrorHeadlight dipper and flasher switchOnboard supply control unit |
| C33 | 10 A A | Rear differential lock switchVacuum switch for rear differential lockAll-wheel drive control unitDifferential lock control unitDifferential lock valve 1Differential lock valve 2 |
| C34 | 5 A A | Operating and display unit for camping equipmentInternet access control unit10-pin connectorInterface for external use 10-pin connector |
| C36 | 15 A A | Intermittent wiper switchRear wiper switchWasher pump switch (automatic wash/wipe and headlight washer system)Onboard supply control unitWasher pumpRear window wiper motorWindscreen and rear window washer pumpRear left wing door window wiper motorRear right wing door window wiper motor |
| C37 | 5 A A | Cruise control system switchCruise control system (CCS) SET buttonAdaptive cruise control unitLane change assist control unitLane change assist control unit 2 |
| C38 | 40 A A | Ignition/starter switch |
| C39 | 20 A A | Ignition/starter switch |
| C41 | 30 A A | Onboard supply control unit |
| C43 | 30 A A | Control unit for reducing agent heater |
| C45 | 30 A A | Amplifier |
| C46 | 20 A A | Auxiliary heater control unit |
| C47 | 25 A A | Onboard supply control unit |
| C48 | 25 A A | Sliding sunroof adjustment control unit |
| C49 | 15 A A | Cigarette lighter |
| C50 | 25 A A | Headlight washer system relayHeadlight washer system pump |
| C51 | 5 A A | Steering angle sender |
| C52 | 5 A A | Interior monitor send and receive module 1Interior monitor send and receive module 2 |
| C53 | 5 A A | Rain and light sensor |
| C54 | 7.5 A A | Operating and display unit for camping equipmentRoof display unitRemote control receiver for auxiliary heaterRemote control receiver for auxiliary coolant heaterResidual heat relayCirculation pump |
| C55 | 5 A A | Operating and display unit for camping equipmentOnboard supply control unitRoof hydraulics control unit10-pin connectorInterface for external use 10-pin connector |
| C56 | 5 A A | Starter inhibitor relayEngine/motor control unitInterfacefor external use 10-pin connectorInterface for external use 10-pin connector |
| C57 | 5 A A | Operating and display unit for rear air conditioning system |
| C58 | 10 A A | Tachograph |
| D2 | 30 A A | Special vehicle control unit |
| D10 | 5 A A | Interface for external use 10-pin connector10-pin connector |
| D12 | 3 A A | 10-pin connectorInterface for external use 10-pin connector |
| F1 | 20 A A | All-wheel drive control unit |
| F2 | 5 A / 10 A A | Interior light relaySwitch and instrument illumination regulator |
| F3 | 30 A A | Driver seat adjustment control unitSwitch module for front passenger seatFront passenger seat longitudinal adjustment motorFront passenger seat front height adjustment motorFront passenger seat rear height adjustment motorFront passenger seat backrest adjustment motor |
| F4 | 5 A A | Emergency call module control unit and communication unit |
| F5 | 15 A A | Electronically controlled damping control unit |
| F6 | 30 A A | Driver seat adjustment control unitSwitch module for front passenger seatFront passenger seat longitudinal adjustment motorFront passenger seat front height adjustment motorFront passenger seat rear height adjustment motorFront passenger seat backrest adjustment motor |
| F7 | 5 A A | Accident data memory |
| F10 | 30 A A | Rear lid power opening control unit |
| F11 | 20 A A | 12 V socket 6 |
| R1 | — | X-contact relief relay |
| R2 | — | Diagnosis wire relay |
| R2a | — | Voltage supply relay 1 |
| R2b | — | Voltage supply relay 2 |
| R3 | — | Fresh air blower isolation relay |
| R4 | — | Terminal 15 voltage supply relay |