Page 259 of 329

Vehicle care2574. 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. Incase 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 panelillumination
Have bulbs replaced by a workshop.Electrical system
Fuses Data on the replacement fuse mustmatch 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 recognised 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.
Page 261 of 329
Vehicle care259No.Circuit1–2–3ABS4–5–6Tailgate7Fog light8Memory module9Heated windscreen10Seat lumbar11DC/DC battery12Heated rear window13Heated mirror14–15–16Front wiper17Power seat, passengerNo.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–
Page 263 of 329
Vehicle care261Instrument 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.
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 module16Amplifier17Alarm
Page 285 of 329

Vehicle care283Ice residues, pollution and continuous
wiping on dry windows will damage or
even destroy the wiper blades.
Sunroof Never clean with solvents or abrasive
agents, fuels, aggressive media
(e.g. paint cleaner, acetone-
containing solutions etc.), acidic or
highly alkaline media or abrasive
pads. Do not apply wax or polishing
agents to the sunroof.
Wheels and tyres
Do not use high-pressure jet
cleaners.
Clean rims with a pH-neutral wheel
cleaner.
Rims are painted and can be treated
with the same agents as the body.
Paintwork damageRectify minor paintwork damage with
a touch-up pen before rust forms.
Have more extensive damage or rust
areas repaired by a workshop.Underbody
Some areas of the vehicle underbody
have a PVC undercoating while other
critical areas have a durable
protective wax coating.
After the underbody is washed, check
the underbody and have it waxed if
necessary.
Bitumen/rubber materials could
damage the PVC coating. Have
underbody work carried out by a
workshop.
Before and after winter, wash the
underbody and have the protective
wax coating checked.
Liquid gas system9 Danger
Liquid gas is heavier than air and
can collect in sink points.
Take care when performing work
at the underbody in a pit.
For painting work and when using a
drying booth at a temperature above
60 °C, the liquid gas tank must be
removed.
Do not make any modifications to the
liquid gas system.
Towing equipment
Do not clean the coupling ball bar with a steam-jet or high-pressure jet
cleaner.
Interior care
Interior and upholstery
Only clean the vehicle interior,
including the instrument panel fascia
and panelling, with a dry cloth or
interior cleaner.
Clean the leather upholstery with
clear water and a soft cloth. In case of heavy soiling, use leather care.
The instrument cluster and the
displays should only be cleaned using
a soft damp cloth. If necessary use a
weak soap solution.
Page 326 of 329

324Headlight flash ........................... 139
Headlight range adjustment ......139
Headlights................................... 136 Headlights when driving abroad 139
Head restraint adjustment .............8
Head restraints ............................ 45
Head-up display.......................... 122 Heated mirrors ............................. 38
Heated rear window ..................... 42
Heated steering wheel .................90
Heated windscreen .......................42
Heating .................................. 54, 55
High beam ......................... 112, 137
High beam assist ................112, 137
Hill start assist ........................... 183
Horn ....................................... 14, 90
I
Identification plate .....................289
Immobiliser .......................... 36, 112
Indicators .................................... 103
Inductive charging ........................96
Info Display ................................. 121
Information displays.................... 114
Instrument cluster ........................98
Instrument panel fuse box .........261
Instrument panel illumination .....257
Instrument panel illumination control .................................... 145
Instrument panel overview ........... 10Interactive driving system ...........186
Interior care ............................... 283
Interior lighting ............................ 145
Interior lights ...................... 145, 257
Interior mirrors .............................. 39
Introduction .................................... 3
J Jump starting ............................. 278
K Key, memorised settings ..............25
Keys ............................................. 20
Keys, locks ................................... 20
L
Lane change alert .......................217
Lane keep assist ................110, 229
Lashing eyes ............................... 81
LED headlights ...........112, 140, 249
Lighting features .........................147
Light switch ................................ 136
Load compartment ................28, 75
Load compartment cover .............78
Loading information .....................86
Low fuel ..................................... 112
M
Malfunction indicator light ..........109
Manual anti-dazzle ......................39
Manual seat adjustment ...............48Manual transmission .................. 179
Massage ....................................... 55
Memorised settings ......................25
Midlevel display .......................... 114
Mirror adjustment ........................... 8 Misted light covers .....................145
N New vehicle running-in ..............163
Number plate light .....................257
O Object detection systems ...........209
Odometer ................................... 104
Oil, engine .......................... 286, 291
OnStar ........................................ 131
Outside temperature ....................93
Overrun cut-off ........................... 167
P Panoramic view system ..............219
Parking ................................ 19, 169
Parking assist ...................... 39, 209
Parking brake ............................ 181
Parking lights ............................. 144
Particulate filter ........................... 170
Pedestrian detection ...................113
Performance .............................. 296
Performing work ........................241
Power button .............................. 164
Power outlets ............................... 95
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