| No. | | Current Flow Diagram designation | Nominal value | | Function/component | Terminal |
| 1 | - | Fuse 1 on fuse holder B -SB1- | - | - | - | - |
| 2 | - | Fuse 2 on fuse holder B -SB2- | 30 A | - | Mechatronic unit for dual clutch gearbox -J743- | 30 |
| 3 | - | Fuse 3 on fuse holder B -SB3- | 5 A | - | Battery monitoring control unit -J367-
Onboard supply control unit -J519- (T52a/24) | 30 |
| 4 | - | Fuse 4 on fuse holder B -SB4- | 20 A | - | ABS control unit -J104-
ABS hydraulic unit -N55- | 30 |
| 5 | - | Fuse 5 on fuse holder B -SB5- | 15 A | - | Mechatronic unit for dual clutch gearbox -J743- | 30 |
| 6 | - | Fuse 6 on fuse holder B -SB6- | 5 A | - | Control unit in dash panel insert -J285-
Steering column electronics control unit -J527- | 30 |
| 7 | - | Fuse 7 on fuse holder B -SB7- | 40 A | - | Terminal 15 voltage supply relay -J329- | t | Fuse holder C -SC- (-SC9- up to -SC16- and -SC25- up to -SC27- ) | | 30 |
| 8 | - | Fuse 8 on fuse holder B -SB8- | 15 A
| - | Control unit with display for radio and navigation -J503-
Radio -R-
Voltage stabiliser -J532-3) | t | Control module with display unit for radio and navigation system -J503- | | t | Fuse 57 on fuse holder C -SC57- | | t | Fuse 58 on fuse holder C -SC58- | | 30 |
| 9 | - | Fuse 9 on fuse holder B -SB9- | 5 A | - | Mobile telephone operating electronics control unit -J412-4) | 30 |
| 10 | - | Fuse 10 on fuse holder B -SB10- | 5 A | - | Main relay -J271-
Engine control unit -J623-
Engine component current supply relay -J757- | 30 |
| 11 | - | Fuse 11 on fuse holder B -SB11- | 30 A | - | Auxiliary heater control unit -J364- | 30 |
| 12 | - | Fuse 12 on fuse holder B -SB12- | 5 A | - | Data bus diagnostic interface -J533- | 30 |
| 13 | - | Fuse 13 on fuse holder B -SB13- | 15 A | - | Engine control unit -J623- (petrol engine) | 87a |
| | | | 30 A | - | Engine control unit -J623- (diesel engine) | 87a |
| 14 | - | Fuse 14 on fuse holder B -SB14- | 15 A | - | Fuel pressure regulating valve -N276- (diesel engine)
Fuel metering valve -N290- (diesel engine) | 87a |
| | | | 20 A | - | Ignition transformer -N152-
Ignition coil 1 with output stage -N70-
Ignition coil 2 with output stage -N127-
Ignition coil 3 with output stage -N291-
Ignition coil 4 with output stage -N292- | 87a |
| 15 | - | Fuse 15 on fuse holder B -SB15- | 5 A | - | Low heat output relay -J359- (diesel engine)
High heat output relay -J360- (diesel engine)
Fuel pump relay -N17-
Electric fuel pump 2 relay -J49-
Automatic glow period control unit -J179- | 87a |
| | | | 10 A | - | Lambda probe heater -Z19-
Lambda probe 1 heater after catalytic converter -Z29-
Low heat output relay -J359-
High heat output relay -J360-
Fuel pump switch-off relay -J333-2)
Gas injection valve 1 -N366-1)
Gas injection valve 2 -N367-1)
Gas injection valve 3 -N368-1)
Gas injection valve 4 -N369-1) | 87a |
| | | | 15 A | - | High-pressure valve for gas mode -N372-2)
Valve for gas tank -N495-2)
Sensor for gas level gauge -G707-2)
Gas injection valve 1 -N366-2)
Gas injection valve 2 -N367-2)
Gas injection valve 3 -N368-2)
Gas injection valve 4 -N369-2) | 87a |
| 16 | - | Fuse 16 on fuse holder B -SB16- | 30 A | - | Onboard supply control unit -J519- (T52c/42) | t | Light bulb for right foglamp -L23- | | t | Right cornering light bulb -L149- | | t | Rear left fog light bulb -L46- , or rear right fog light bulb -L47- | | t | Right daytime running light bulb -L175- | | t | Left side light bulb -M1- | | t | Right tail light bulb -M2- | | t | Rear left turn signal bulb -M6- | | t | Front right turn signal bulb -M7- | | t | Left brake light bulb -M9- | | t | Right reversing light bulb -M17- | | t | Left turn signal repeater bulb -M18- | | t | High-mounted brake light bulb -M25- | | t | Right headlight dipped beam bulb -M31- | | t | Right headlight main beam bulb -M32- | | 30 |
| 17 | - | Fuse 17 on fuse holder B -SB17- | 15 A | - | Horn relay -J413- | 30 |
| 18 | - | Fuse 18 on fuse holder B -SB18- | 30 A | - | Special vehicle control unit -J608- | 30 |
| 19 | - | Fuse 19 on fuse holder B -SB19- | 30 A | - | Wiper motor control unit -J400- | 30 |
| 20 | - | Fuse 20 on fuse holder B -SB20- | 10 A | - | Fuel tank shut-off valve 1 -N361-1)
Fuel tank shut-off valve 2 -N362-1)
Fuel tank shut-off valve 3 -N363-1)
Fuel tank shut-off valve 4 -N429-1)
Fuel tank shut-off valve 5 -N430-1)
Coolant circulation pump -V50- | 87a |
| 21 | - | Fuse 21 on fuse holder B -SB21- | 10 A | - | Lambda probe heater -Z19- (diesel engine) | 87a |
| | | | 15 A | - | Fuel pump control unit -J538-
Lambda probe heater -Z19-
Lambda probe 1 heater after catalytic converter -Z29- | 87a |
| 22 | - | Fuse 22 on fuse holder B -SB22- | 5 A | - | Clutch position sender -G476-
Brake light switch -F-5) | 87a |
| 23 | - | Fuse 23 on fuse holder B -SB23- | 5 A | - | Additional coolant pump relay -J496- | 87a |
| | | | 10 A | - | Air mass meter -G70- (Diesel engine)
Charge pressure control solenoid valve -N75- (Diesel engine)
Exhaust gas recirculation cooler changeover valve -N345- (Diesel engine)
Control unit for gas mode -J659-
Relay for gas shut-off valves -J908-1)
High-pressure valve for gas mode -N372-1) | 87a |
| | | | 15 A | - | Fuel pressure regulating valve -N276- | 87a |
| 24 | - | Fuse 24 on fuse holder B -SB24- | 10 A | - | Radiator fan control unit -J293-
Secondary air pump relay -J299-
Additional coolant pump relay -J496-
Activated charcoal filter solenoid valve 1 -N80-
Coolant regulating valve -N515-
Variable intake manifold changeover valve -N156-
Coolant circulation pump 2 -V178-
Injector, cylinder 1 -N30-1)
Injector, cylinder 2 -N31-1)
Injector, cylinder 3 -N32-1)
Injector, cylinder 4 -N33-1) | 87a |
| 25 | - | Fuse 25 on fuse holder B -SB25- | 40 A | - | ABS hydraulic pump -V64-
ABS control unit -J104- | 30 |
| 26 | - | Fuse 26 on fuse holder B -SB26- | 30 A | - | Onboard supply control unit -J519- (T52a/1) | t | Left cornering light bulb -L148- | | t | Left fog light bulb -L22- | | t | Rear left fog light bulb -L46- , or rear right fog light bulb -L47- | | t | Left daytime running light bulb -L174- | | t | Right side light bulb -M3- | | t | Left tail light bulb -M4- | | t | Front left turn signal bulb -M5- | | t | Rear right turn signal bulb -M8- | | t | Right brake light bulb -M10- | | t | Left reversing light bulb -M16- | | t | Right turn signal repeater bulb -M19- | | t | Left headlight dipped beam bulb -M29- | | t | Left headlight main beam bulb -M30- | | 30 |
| 27 | - | Fuse 27 on fuse holder B -SB27- | 40 A | - | Secondary air pump motor -V101- | 30 |
| | | | 50 A | - | Automatic glow period control unit -J179- | 30 |
| 28 | - | Fuse 28 on fuse holder B -SB28- | - | - | - | - |
| 29 | - | Fuse 29 on fuse holder B -SB29- | 30 A | - | Fuse 18 on fuse holder C -SC18-
Fuse 19 on fuse holder C -SC19- | 30 |
| | | | 50 A | - | Fuse 35 on fuse holder C -SC35-
Fuse 39 on fuse holder C -SC39-
Fuse 54 on fuse holder C -SC54-
Fuse 55 on fuse holder C -SC55-
Fuse 59 on fuse holder C -SC59-
Fuse 60 on fuse holder C -SC60- | 30 |
| 30 | - | Fuse 30 on fuse holder B -SB30- | 50 A | - | Fuse holder C -SC- (-SC40- up to -SC42- ) | 30 |
| No. | | Current Flow Diagram designation | Nominal value | | Function/component | Terminal |
| 1 | - | Fuse 1 on fuse holder C -SC1- | - | - | - | - |
| 2 | - | Fuse 2 on fuse holder C -SC2- | - | - | - | - |
| 3 | - | Fuse 3 on fuse holder C -SC3- | - | - | - | - |
| 4 | - | Fuse 4 on fuse holder C -SC4- | - | - | - | - |
| 5 | - | Fuse 5 on fuse holder C -SC5- | - | - | - | - |
| 6 | - | Fuse 6 on fuse holder C -SC6- | - | - | - | - |
| 7 | - | Fuse 7 on fuse holder C -SC7- | - | - | - | - |
| 8 | - | Fuse 8 on fuse holder C -SC8- | - | - | - | - |
| 9 | - | Fuse 9 on fuse holder C -SC9- | 10A | - | -Sonderfahrzeuge- | t | 4-pin connector -T4aa- , Pin 1 3) | | t | 10-pin connector -T10l- , Pin 4 (Interface for special functions) | | 15a |
| 10 | - | Fuse 10 on fuse holder C -SC10- | 5A | - | Fuel pump relay -J17-
Main relay -J271-
Gas mode control unit -J659-
Terminal 50 voltage supply relay -J682-
Starter relay 1 -J906-
Voltage stabiliser -J532-
Data bus diagnostic interface -J533-
Engine control unit -J623- | 15a |
| 11 | - | Fuse 11 on fuse holder C -SC11- | 5A | - | Parking aid control unit -J446-
Park assist steering control unit -J791- | 15a |
| 12 | - | Fuse 12 on fuse holder C -SC12- | 5A | - | -Sonderfahrzeuge- | t | Mirror taximeter -G511- | | 15a |
| | | | 10A3) | - | -Sonderfahrzeuge-3) | t | 2-pin connector -T2ab- , Pin 1 | | t | 2-pin connector -T2ac- , Pin 1 | | t | 28-pin connector -T28b- , Pin 13 | | 15a |
| | | | 20A4) | - | -Sonderfahrzeuge-4) | t | 8-pin connector -T8k- , Pin 8 | | t | 28-pin connector -T28a- , Pin 20 | | t | 28-pin connector -T28b- , Pin 20 | | 15a |
| 13 | - | Fuse 13 on fuse holder C -SC13- | 7.5 A | - | Brake light switch -F-3)
Headlight range control adjuster -E102-
TCS and ESP button -E256-
Tyre pressure monitor display button -E492-
Start/Stop operation button -E693-
ABS control unit -J104-
Trailer detector control unit -J345-
All-wheel drive control unit -J492-
Power steering control unit -J500-
Selector lever sensors control unit -J587-
Mechatronic unit for dual clutch gearbox -J743-
Left headlight range control motor -V48-
Right headlight range control motor -V49-
Control unit for cornering light and headlight range control -J745- | 15a |
| 14 | - | Fuse 14 on fuse holder C -SC14- | 10A | - | Reversing light switch -F4-
Air mass meter -G70-
Auxiliary heater operation relay -J485-
Control unit in dash panel insert -J285-
Heater element for crankcase breather -N79-
Activated charcoal filter solenoid valve 1 -N80-
Diagnostic connection -U31-16-pin connector -T16- , Pin 1 | 15a |
| 15 | - | Fuse 15 on fuse holder C -SC15- | 5A | - | Airbag control unit -J234-
Front passenger side airbag deactivated warning lamp -K145- | 15a |
| 16 | - | Fuse 16 on fuse holder C -SC16- | 5A | - | Light switch -E1-
Heater/heat output switch -E16-
High-pressure sender -G65-
Air quality sensor -G238-
Oil level and oil temperature sender -G266-
Automatic anti-dazzle interior mirror -Y7- | 15a |
| 17 | - | Fuse 17 on fuse holder C -SC17- | - | - | - | - |
| 18 | - | Fuse 18 on fuse holder C -SC18- | 10A | - | -Sonderfahrzeuge- | t | Taxi alarm remote control control unit -J601- | | 30 |
| | | | 10A | - | -Sonderfahrzeuge- | t | 10-pin connector -T10l- , Pin 6 (Interface for special functions) | | BLL |
| 19 | - | Fuse 19 on fuse holder C -SC19- | 10A | - | -Sonderfahrzeuge- | t | Mirror taximeter -G511- | | t | Taxi alarm remote control control unit -J601- | | 30 |
| | | | 10A | - | -Sonderfahrzeuge- | t | 10-pin connector -T10l- , Pin 7 (Interface for special functions) | | BLR |
| 20 | - | Fuse 20 on fuse holder C -SC20- | 20A | - | Cigarette lighter -U1-7) | 30 |
| 21 | - | Fuse 21 on fuse holder C -SC21- | 10A | - | Light switch -E1-
Heater/heat output switch -E16-
Rain and light sensor -G397-
Heated rear window relay -J9-
Climatronic control unit -J255-
Air conditioning system control unit -J301-
Horn relay -J413-
Remote control receiver for auxiliary coolant heater -R149-
Selector lever sensors control unit -J587-
Diagnostic connection -U31-16-pin connector -T16- , Pin 16
Switch for interior lighting -E599- (Camper)
Rear interior light -W43- (Camper) | 30 |
| 22 | - | Fuse 22 on fuse holder C -SC22- | 10A | - | Onboard supply control unit -J519- (T52b/42) 2) | 30 |
| 23 | - | Fuse 23 on fuse holder C -SC23- | 5A | - | -Sonderfahrzeuge- | t | Interior light switch (taxi) -E115- | | t | Taxi sign switch -E138- | | t | 10-pin connector -T10l- , Pin 1 (Interface for special functions) | | 30 |
| | | | 10A | - | -Sonderfahrzeuge- | t | 3-pin connector -T3ak- , Pin 1 3) | | t | Flashing lights relay -J630-4) | | 30 |
| 24 | - | Fuse 24 on fuse holder C -SC24- | 5A | - | Interior monitoring sensor -G273-
Vehicle inclination sender -G384-
Anti-theft alarm sensor -G578-
Alarm horn -H12-
Onboard supply control unit -J519- (T52c/1) | 30 |
| 25 | - | Fuse 25 on fuse holder C -SC25- | 10A | - | Output module for left headlight -J667- | 15a |
| 26 | - | Fuse 26 on fuse holder C -SC26- | 10A | - | Output module for right headlight -J668- | 15a |
| 27 | - | Fuse 27 on fuse holder C -SC27- | - | - | - | 15a |
| 28 | - | Fuse 28 on fuse holder C -SC28- | 20A | - | 12-V socket 3 -U19- , in storage compart. | 75 |
| 29 | - | Fuse 29 on fuse holder C -SC29- | 15A | - | Rear window wiper motor -V12- | 75 |
| 30 | - | Fuse 30 on fuse holder C -SC30- | - | - | - | 75 |
| 31 | - | Fuse 31 on fuse holder C -SC31- | 5A | - | Heater/heat output switch -E16-
Left washer jet heater element -Z20-
Right washer jet heater element -Z21- | 75 |
| 32 | - | Fuse 32 on fuse holder C -SC32- | - | - | - | - |
| 33 | - | Fuse 33 on fuse holder C -SC33- | 40A | - | Air conditioning system control unit -J301-
Heater/heat output switch -E16- | 75 |
| 34 | - | Fuse 34 on fuse holder C -SC34- | - | - | - | - |
| 35 | - | Fuse 35 on fuse holder C -SC35- | 10A | - | -Sonderfahrzeuge-3) | t | Fluorescent light in rear of high roof -W41- | | t | Fluorescent light in centre of high roof -W42- | | 30 |
| 36 | - | Fuse 36 on fuse holder C -SC36- | - | - | - | - |
| 37 | - | Fuse 37 on fuse holder C -SC37- | - | - | - | - |
| 38 | - | Fuse 38 on fuse holder C -SC38- | - | - | - | - |
| 39 | - | Fuse 39 on fuse holder C -SC39- | 20A | - | -Sonderfahrzeuge- | t | 10-pin connector -T10ai- , Pin 1 3) | | 30 |
| | | | 30A | - | -Sonderfahrzeuge- | t | 4-pin connector -T4ad- , Pin 1 4) | | 30 |
| 40 | - | Fuse 40 on fuse holder C -SC40- | 20A | - | Trailer detector control unit -J345- | 30 |
| 41 | - | Fuse 41 on fuse holder C -SC41- | 20A | - | Trailer detector control unit -J345- | 30 |
| 42 | - | Fuse 42 on fuse holder C -SC42- | 20A | - | Trailer detector control unit -J345- | 30 |
| 43 | - | Fuse 43 on fuse holder C -SC43- | 15A | - | Fuel pump relay -J17-
Electric fuel pump 2 relay -J49- | t | Supplementary fuel pump -V393- | | 30 |
| 44 | - | Fuse 44 on fuse holder C -SC44- | 40A | - | Fresh air blower control unit -J126- | 30 |
| 45 | - | Fuse 45 on fuse holder C -SC45- | 20A | - | Headlight washer system relay -J39- | t | Headlight washer system pump -V11- | | 30 |
| 46 | - | Fuse 46 on fuse holder C -SC46- | 10A | - | Onboard supply control unit -J519- (T52b/42) 1) | t | Front interior light -W1- | | t | Luggage compartment light -W3- | | t | Glove compartment light -W6- | | t | Rear interior light -W43- | | 30 |
| | | | 30A | - | Driver door control unit -J386-2) | 30 |
| 47 | - | Fuse 47 on fuse holder C -SC47- | 30A | - | Cigarette lighter -U1-6)
X-contact relief relay -J59-7)8) | t | Fuse holder C -SC- (-SC28- up to -SC33- ) 7)8) | | 30 |
| 48 | - | Fuse 48 on fuse holder C -SC48- | 30A | - | Heated front seats control unit -J774- | 30 |
| 49 | - | Fuse 49 on fuse holder C -SC49- | 30A | - | Driver door control unit -J386-1)
Front passenger door control unit -J387- | 30 |
| 50 | - | Fuse 50 on fuse holder C -SC50- | 20A | - | Onboard supply control unit -J519- (T52b/1) | t | Rear window wiper motor -V12- | | t | Windscreen and rear window washer pump -V59- | | 30 |
| 51 | - | Fuse 51 on fuse holder C -SC51- | 15A | - | Trailer voltage supply relay -J941- | t | Trailer socket -U10- (T13/10) | | 30 |
| | | | 30A | - | -Sonderfahrzeuge- | t | 10-pin connector -T10ai- , Pin 4 | | t | 10-pin connector -T10ai- , Pin 5 | | 30 |
| 52 | - | Fuse 52 on fuse holder C -SC52- | 25A | - | Heated rear window relay -J9- | t | heated rear window -Z1- | | t | Heated rear window in left wing door -Z26- | | t | Heated rear window in right wing door -Z27- | Fresh air blower relay -J13- | t | Fresh air blower series resistor with overheating fuse -N24- | | 30 |
| 53 | - | Fuse 53 on fuse holder C -SC53- | 15A6)
20A7) | - | 12 V socket -U5- , in the rear centre console
12 V socket 2 -U18- , In rear left side panel | 30 |
| 54 | - | Fuse 54 on fuse holder C -SC54- | 15A | - | -Sonderfahrzeuge-4) | t | Switch-over relay 1 for roof ventilator -J180- | | 30 |
| 55 | - | Fuse 55 on fuse holder C -SC55- | 15A | - | -Sonderfahrzeuge-4) | t | 8-pin connector -T8m- , Pin 4 | | t | 8-pin connector -T8n- , Pin 4 | | 30 |
| 56 | - | Fuse 56 on fuse holder C -SC56- | - | - | - | - |
| 57 | - | Fuse 57 on fuse holder C -SC57- | 5A | - | Control unit in dash panel insert -J285-5)
Steering column electronics control unit -J527-5) | 30 |
| 58 | - | Fuse 58 on fuse holder C -SC58- | 5A | - | Mobile telephone operating electronics control unit -J412-5) | 30 |
| 59 | - | Fuse 59 on fuse holder C -SC59- | 5A | - | -Sonderfahrzeuge- | t | Ignition bypass button -E489- | | t | Button for daytime running light switch-off -E652- | | t | Accident data memory -J754- | | 30 |
| 60 | - | Fuse 60 on fuse holder C -SC60- | 30A | - | -Sonderfahrzeuge- | t | 3-pin connector -T3al- , Pin 1 | | 30 |
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