Slot | Current flow diagram designation | Nominal
value | Function / component | Terminal |
SC1 | Fuse 1 on fuse holder C -SC1- | 20 A 9)
30 A | Control unit for reducing agent heater -J891- | 30 |
SC2 | Fuse 2 on fuse holder C -SC2- | 10 A | Steering column electronics control unit -J527- 5) | 30 |
SC3 | not assigned | - | - | |
SC4 | Fuse 4 on fuse holder C -SC4- | 7.5 A | Alarm horn -H12- | 30 |
SC5 | Fuse 5 on fuse holder C -SC5- | 7.5 A | Data bus diagnostic interface -J533- | 30 |
SC6 | Fuse 6 on fuse holder C -SC6- | 5 A | Selector lever -E313- | 30 |
SC7 | Fuse 7 on fuse holder C -SC7- | 10 A | Heater and air conditioning controls -EX21-
Operating and display unit for rear air conditioning system -E265-
Remote control receiver for auxiliary coolant heater -R149-
Heated rear window relay -J9-
Tyre Pressure Monitoring System control unit -J502- | 30 |
SC8 | Fuse 8 on fuse holder C -SC8- | 7.5 A | Rotary light switch -EX1-
Parking brake button -EX12-
Rain and light sensor -G397-
Diagnostic connection -U31-
Operating unit for driving mode selection -E881-
Anti-theft alarm sensor -G578-
Light 1 for roof contour lighting -L235-
Control unit for cornering light and headlight range control -J745- 6)
Light 2 for roof contour lighting -L236- | 30 |
SC9 | Fuse 9 on fuse holder C -SC9- | 7.5 A | Steering column electronics control unit -J527- | 30 |
SC10 | Fuse 10 on fuse holder C -SC10- | 7.5 A | Display unit for front information display and operating unit control unit
-J685-
Control unit for Head-up Display -J898- | 30 |
SC11 | Fuse 11 on fuse holder C -SC11- | 40 A | Onboard supply control unit -J519- | 30 |
SC12 | Fuse 12 on fuse holder C -SC12- | 20 A | Control unit 1 for information electronics -J794-
Control unit for navigation system -J856- 7) | 30 |
SC13 | Fuse 13 on fuse holder C -SC13- | 25 A | Control unit for front left belt tensioner -J854- | 30 |
SC14 | Fuse 14 on fuse holder C -SC14- | 40 A | Fresh air blower control unit -J126- | 30 |
SC15 | Fuse 15 on fuse holder C -SC15- | 10 A | Control unit for electronic steering column lock -J764- | 30 |
SC16 | Fuse 16 on fuse holder C -SC16- | 7.5 A | TV tuner -RX6-
Control unit 1 for information electronics -J794-
Two-way signal amplifier for mobile telephone/data services -J984-
Storage compartment with interface for mobile telephone -R265-
Chip card reader -D8-
USB hub -R293- | 30 |
SC17 | Fuse 17 on fuse holder C -SC17- | 7.5 A | Dash panel insert -KX2-
Control unit in dash panel insert -J285-
Emergency call module control unit and communication unit -J949- | 30 |
SC18 | Fuse 18 on fuse holder C -SC18- | 7.5 A | Control unit for overhead view camera -J928- | 30 |
SC19 | Fuse 19 on fuse holder C -SC19- | 7.5 A | Interface for entry and start system -J965- | 30 |
SC20 | Fuse 20 on fuse holder C -SC20- | 7.5 A 11), 12)
10 A 9), 10)
15 A 13) | Relay for reducing agent metering system -J963-
Delivery unit for reducing agent metering system -GX19- | 30 |
SC21 | Fuse 21 on fuse holder C -SC21- | 15 A | All-wheel drive control unit -J492- | 30 |
SC22 | Fuse 22 on fuse holder C -SC22- | 15 A | Trailer detector control unit -J345- | 30 |
SC23 | Fuse 23 on fuse holder C -SC23- | 20 A | Sliding sunroof adjustment control unit -J245-
Sunroof roller blind control unit -J394- | 30 |
SC24 | Fuse 24 on fuse holder C -SC24- | 40 A | Onboard supply control unit -J519- | 30 |
SC25 | Fuse 25 on fuse holder C -SC25- | 30 A | Driver door control unit -J386- 1)
Rear left window regulator motor -V26- 1)
Front passenger door control unit -J387- 2)
Rear right window regulator motor -V27- 2) | 30
30 |
SC26 | Fuse 26 on fuse holder C -SC26- | 30 A | Onboard supply control unit -J519- | 30 |
SC27 | Fuse 27 on fuse holder C -SC27- | 30 A | Onboard supply control unit -J519- | - |
SC28 | Fuse 28 on fuse holder C -SC28- | 25 A | Trailer detector control unit -J345- | 30 |
SC29 | not assigned | - | - | |
SC30 | not assigned | - | - | |
SC31 | Fuse 31 on fuse holder C -SC31- | 30 A | Rear lid control unit -J605- | 30 |
SC32 | Fuse 32 on fuse holder C -SC32- | 10 A | Front camera for driver assist systems -R242-
Adaptive cruise control unit -J428-
Parking aid control unit -J446- 6)
Lane change assist control unit -J769-
Lane change assist control unit 2 -J770-
Park assist steering control unit -J791- 6) | 15 |
SC33 | Fuse 33 on fuse holder C -SC33- | 7.5 A | Airbag control unit -J234-
Warning lamp for airbag deactivated on front passenger side -K145- | 15 |
SC34 | Fuse 34 on fuse holder C -SC34- | 7.5 A | Rotary light switch -EX1-
Interior mirror -EX5-
Relay for power sockets -J807-
Reversing light switch -F4-
Pressure sender for refrigerant circuit -G805-
Air quality sensor -G238-
Parking brake button -EX12-
Button for TCS and electronic stabilisation program -E256- | 15 |
SC35 | Fuse 35 on fuse holder C -SC35- | 7.5 A | Diagnostic connection -U31-
Headlight range control regulator -E102-
Headlight range control and instrument illumination regulator -EX14-
Control unit for cornering light and headlight range control -J745- 6)
Front left headlight -MX1-
Front right headlight -MX2- | 15 |
SC36 | Fuse 36 on fuse holder C -SC36- | 7.5 A | Front right headlight -MX2- | 15
15 |
SC37 | Fuse 37 on fuse holder C -SC37- | 7.5 A | Front left headlight -MX1- | |
SC38 | Fuse 38 on fuse holder C -SC38- | 25 A | Trailer detector control unit -J345- | 30 |
SC39 | Fuse 39 on fuse holder C -SC39- | 30 A | Front passenger door control unit -J387- 1)
Rear right window regulator motor -V27- 1)
Driver door control unit -J386- 2)
Rear left window regulator motor -V26- 2) | 30 |
SC40 3) , 4) | Fuse 40 on fuse holder C -SC40- | 20 A | 12 V socket -U5-
12 V socket 2 -U18-
12 V socket 3 -U19- | 153) / 304) |
SC41 | Fuse 41 on fuse holder C -SC41- | 25 A | Control unit for front right belt tensioner -J855-
Control unit for front left belt tensioner -J854- | 30 |
SC42 | Fuse 42 on fuse holder C -SC42- | 40 A | Onboard supply control unit -J519- | 30 |
SC43 | Fuse 43 on fuse holder C -SC43- | 30 A | Digital sound package control unit -J525- | 30 |
SC44 | Fuse 44 on fuse holder C -SC44- | 15 A | Trailer detector control unit -J345- | 30 |
SC45 | Fuse 45 on fuse holder C -SC45- | 15 A8) | Driver seat adjustment control unit -J810- | 30 |
SC46 | Fuse 46 on fuse holder C -SC46- | 30 A | DC/AC converter with socket, 12 V - 230 V -U13- | 30 |
SC47 | Fuse 47 on fuse holder C -SC47- | 15 A | Rear window wiper motor -V12- | 15 |
SC48 | not assigned | - | - | |
SC49 | Fuse 49 on fuse holder C -SC49- | 7.5 A | Clutch position sender -G476-
Starter relay 1 -J906-
Starter relay 2 -J907- | 15 |
SC50 | not assigned | - | - | |
SC51 | Fuse 51 on fuse holder C -SC51- | 25 A | Operating and display unit for rear air conditioning system -E265- | 30 |
SC52 | Fuse 52 on fuse holder C -SC52- | 15 A | Electronically controlled damping control unit -J250- | 30 |
SC53 | Fuse 53 on fuse holder C -SC53- | 30 A | Heated rear window relay -J9- | 15 |