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Vehicle care255
3. Carefully withdraw the lightassembly from the recesses and
remove. Take care that the cable
duct remains in position.
4. Turn the bulb socket anticlockwise and remove it from
the light assembly.
Rear fog light ( 1)
Reverse light ( 2)
5. Detach the bulb from the bulb socket and replace the bulb.
Rear fog light
Reverse light
6. Insert the bulb socket into the tail light assembly. Fit light assembly
on the tailgate and tighten the
screw from the inside. Attach
cover.
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256Vehicle careSide turn signal lightsTo replace bulb, remove lamp
housing:
1. Slide lamp to its left side and remove with its right end.
2. Turn bulb holder anticlockwiseand remove from housing.
3. Pull bulb from bulb holder and replace it.
4. Insert bulb holder and turnclockwise.
5. Insert left end of the lamp, slide to
the left and insert right end.
Number plate light The number plate light is designed as
LEDs and can not be changed. In
case of defective LEDs, have them
replaced by a workshop.
Interior lights
Courtesy light, reading lights
Have bulbs replaced by a workshop.
Load compartment light
Have bulbs replaced by a workshop.
Instrument panel illumination
Have bulbs replaced by a workshop.
Page 259 of 323
Vehicle care257Electrical system
Fuses Data on the replacement fuse must
match the data on the defective fuse.
There are three fuse boxes in the
vehicle:
● engine compartment
● instrument panel
Before replacing a fuse, turn off the
respective switch and the ignition.
A blown fuse can be recognized by its melted wire.Caution
Do not replace the fuse until the
cause of the fault has been
remedied.
Some functions are protected by
several fuses.
Fuses may also be inserted without
existence of a function.
Fuse extractor
A fuse extractor may be located in the
fuse box in the engine compartment.Place the fuse extractor on the
various types of fuse from the top or
side, and withdraw fuse.
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258Vehicle careEngine compartment fuse
box
The fuse box is in the front left of the
engine compartment.
Disengage the cover and remove it.
No.Circuit1–2–3ABS4–5–6Tailgate7Fog light8Memory module9Heated windscreen10Seat lumbar11DC/DC battery12Heated rear window13Heated mirror14–15–16Front wiper17Power seat, passenger
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Vehicle care259No.Circuit18Sunblind19Power seat, driver20–21Sunroof22Rear wiper/Airbag23Adaptive forward lighting24–25–26Transmission control module27Ignition/Instrument panel28–29Rear view camera/Air vent30Malfunction indicator light/
Trailer31–32Camera33Seat heat front34Seat heat rearNo.Circuit35Damping/All-wheel drive36Fuel system37–38–39–40Steering wheel lock41–42–43Heated steering wheel44Headlight range adjustment45–46Engine control module47–48DC/DC converter/Air vent/E-
Boost49Rear door control module50–51–No.Circuit52–53–54–55–56Starter57–58–59Left headlight (LED)60Cooling fan61–62–63–64–65Climate control66–67–68–
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260Vehicle careNo.Circuit69Right high beam (Halogen)/
Right headlight (LED)70Left high beam (Halogen)71–72Starter73–74Transmission control module75Engine control module76Exhaust reduction system77–78Horn79Washer system80–81Engine control module82–83Ignition coil84Ignition coil85PowertrainNo.Circuit86–87Diesel fuel heating88Air shutter89–90–91–92After boil pump93Electronic key system94–95Coolant pump96Diesel fuel heating97–98–99Coolant pump
After having changed defective fuses,
close the fuse box cover and press
until it engages.
If the fuse box cover is not closed
correctly, malfunction may occur.
Instrument panel fuse box
In left-hand drive vehicles, the fuse
box is behind a cover in the
instrument panel.
Disengage cover at the side and
remove.
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Vehicle care261
In right-hand drive vehicles, the fuse
box is located behind a cover in the
glovebox. Open the glovebox and
remove the cover.
No.Circuit1Left power window2Right power window3Body control module4Climate control fan5Body control module6Trailer provisions7Rear seat power folding8Body control module9Engine control module10Head-up display11NO x reduction/Pipe heater12NO
x reduction/Soot sensor13UREA module14Heated steering wheel15Transmission control module16Amplifier17AlarmNo.Circuit18Body control module19UREA module20Body control module21Body control module22Body control module23Electric steering wheel lock24Airbag25Diagnostic connector26Power outlet load compartment27EBCM valve28Police provision29–30–31Steering wheel controls32Ignition switch33Climate control34Central gateway module
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262Vehicle careNo.Circuit35AUX/USB connector36Wireless charger37Rear wiper38Onstar39Display40Parking assist41Overhead console42RadioVehicle tools
Tools
Vehicles with spare wheel
The jack with wheel wrench, the tools,
an extension bolt for securing a
damaged wheel and the towing eye
are placed in the tool box below the
spare wheel in the load compartment. Spare wheel 3 275.
Vehicles without spare wheel
The screwdriver and the towing eye
are located in a box below the floor
cover in the load compartment.
Tyre repair kit 3 268.