Charging
The 12-volt vehicle battery is automatically charged
when the high-voltage battery is charged.
If required, the 12 volt vehicle battery can be charg-
ed using a 12 volt charger.
Requirements for charging a 12 volt vehicle bat-
tery
q Ignition o
Using the jump-starting cableUsage
With the help of jump start cables, a vehicle with a
discharged or defective 12-volt vehicle battery can
be started using the 12-volt vehicle battery of anoth-
er vehicle.
What you should be mindful of
WARNING
Risk of explosion and chemical burns!
Fuses overviewFuse
numberConsumer1Not used2Not used3Tow hitch4Not used5Automatic gearbox selector lever6Interior lighting7Heating of the front seats8Sliding/tilting roof9Central locking + window lifter (left side
of the vehicle), left, exterior mirrors
(Heating, fold-in function, setting the
mirror surface)10Not used11Tow hitch12Light - right side13Central locking (rear doors and boot lid,
fuel filler flap), windscreen washer sys-
tem, headlight cleaning system14Music amplifier15Not used16Airbags17Not used18Steering column lock, KESSY (keyless
locking system)19Instrument cluster, emergency call, on-
line services20Phonebox, USB connections21Rear view camera, Top View22Seat ventilation at the front23Interior lighting in front, microphone,
operation of the sliding/tilting sunroof24All-wheel driveFuse
numberConsumer25Belt tensioner - front left26Central locking + window lifter (right
side of the vehicle), right, exterior mir-
rors (Heating, fold-in function, setting
the mirror surface)27Belt tensioner - front right28High-voltage battery control system -
safe shutdown of the high-voltage sys-
tem
The fuse can only be changed by a spe-
cialist company!29Tow hitch30Infotainment31Tow hitch32Seat heating - rear33Not used34230 volt socket35Light - left side36Air conditioning37Electric boot lid38Not used39Heated steering wheel40Not used41Databus42Automatic transmission, gear display43Front air conditioning, rear air condition-
ing, auxiliary heater (auxiliary heating),
rear window heating44Lane change assist system (Side Assist),
diagnostic connection, rain and light
sensor, automatic headlamp levelling,
parking brake, alarm system, light
switch, buttons in the centre console45Steering column electronics, control
lever under steering wheel46Infotainment screen, Head-up display47Adaptive Chassis Control (DCC)48Not used49Not used50Not used51Not used5212 volt socket in the luggage compart-
ment53Non-contact operation of boot lid54Not used55Not used56Not used57Not used58Parking assistance, Park Assist, front ra-
dar sensor, front camera for assistance
systems59Parking brake, air conditioning, reverse
gear sensor, interior rearview mirror, en-
gine sound generator60Diagnostic connection14312 volt vehicle battery and fuses
Fuse
numberConsumer61Clutch pedal switch, high voltage sys-
tem, electronics for electric drive62USB rear, USB on interior rearview mir-
ror63Not used64Not used65Engine sound generator66Rear window wiper67Heated rear window
Fuses in the engine compartment
Overview
Access to the fuses
