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Vehicle care247
2. Remove lamp downwards, takingcare not to pull on the cable.
3. Remove bulb holder from lamp housing by turning anticlockwise.
4. Pull bulb from bulb holder and replace it.
5. Insert bulb holder into lamp housing and turn clockwise.
6. Insert lamp into bumper and let engage.
Some versions have LED number
plate lights. 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.Electrical 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
● load compartment
Before replacing a fuse, turn off the
respective switch and the ignition.
A blown fuse can be recognized by its melted wire. 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.
Page 250 of 317
248Vehicle care
Fuse extractorA 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.
Engine compartment fuse
box
The fuse box is in the front left of the
engine compartment.
Disengage the cover and remove it.
Page 251 of 317
Vehicle care249No.Circuit1Starter2Starter3Exhaust sensor4Engine control module5Engine functions/Aeroshutter6Transmission control module7Forward collision alert / Adap‐
tive Cruise Control8Engine control module9Climate control system10Diesel exhaust system11Tailgate locking system, Trans‐
mission12Seat lumbar massage13After boil pump14Diesel exhaust system15Exhaust sensor16Fuel injectionNo.Circuit17Fuel injection18Diesel exhaust system19Diesel exhaust system20–21–22ABS23Washer system for windscreen
and rear window24Washer Headlamp25Diesel fuel heating26Transmission control module27Power tailgate module28–29Heated rear window30Mirror defrost31Anti theft warning module
Page 252 of 317

250Vehicle careNo.Circuit32DC transformer/LED display/
Electrical heater/Climate
control/Glow plug controller33Anti theft warning horn34Horn35Power outlet load compartment36Right high beam (Halogen)/
Right low beam (LED)37Left high beam (Halogen)38LED headlight/Automatic head‐
light range adjustment39Front fog light40Central Gateway Module41Water in fuel sensor/Water
pump42Manual headlight range adjust‐
ment43Fuel pump44Rear view camera/Inside rear
view mirror/Trailer moduleNo.Circuit45LED headlight left/Automatic
headlight range adjustment left46Instrument cluster47Steering column lock48Rear wiper49Outside rearview mirror50LED headlight right/Automatic
headlight range adjustment
right51Left low beam (LED)52Engine control module/Trans‐
mission control module53Diesel exhaust system54Windscreen wiper55Electrical rear seat folding56–57–
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 boxThe fuse box is located behind a
cover.
Pull the cover on the left side to
remove.
Page 253 of 317
Vehicle care251No.Circuit1Rear seat heating (only for vehi‐cles without alarm horn)2Climate control system, fan3Power seat driver side4Power seat passenger side5–6Power window front7ABS8Heated steering wheel9Body control module 810Power window rear11Sunroof12Body control module 413Seat heating (only on vehicles
without alarm horn)14Exterior mirror15Body control module 116Body control module 7No.Circuit17Body control module 618Body control module 319Data link connector20Airbag system21Climate control system22Central locking system, tailgate23Electronic key system24Power seat memory function25Airbag system steering wheel26Ignition switch/Steering column
lock27Body control module 228USB socket29Cigarette lighter/Power outlet
front30Selector lever31Rear window wiper32Transmission control module
Page 254 of 317
252Vehicle careNo.Circuit33Anti-theft alarm system/Power
sounder34Parking assist/Side blind spot
alert/Infotainment system/USB
socket35OnStar36Info display/Instrument cluster/
CD player37Infotainment system, radio
After having changed defective fuses,
close the fuse box cover:
1. Apply the cover on the right side.
2. Fold the left side of the cover forwards. Take care that thesecuring clamp is guided as
shown in the illustration.
Load compartment fuse box The fuse box is located on the left side
of the load compartment behind a
cover.
Remove the cover.
Disengage the fuse box cover and
remove it.
Page 255 of 317
Vehicle care253No.Circuit1–2–3Trailer module4–5–6–7–8–9–10Service11–12Front seat heating (on vehicles
with alarm horn)13Rear seat heating (on vehicles
with alarm horn)14Ignition15Seat ventilation16Trailer outletNo.Circuit17Trailer outlet18–19–20–21–22–
After having changed defective fuses,
close the fuse box cover and press
until it engages.
Additional fuses are located near the
vehicle battery.
Page 256 of 317
254Vehicle careNo.Circuit1Fuel pump2Engine control module3Power supplyVehicle tools
Tools
5-door hatchback with spare
wheel
Open the floor cover of the load
compartment 3 82.
The jack, the towing eye, a strap for
securing a damaged wheel and the
tools are located in the tool box below the spare wheel. Spare wheel
3 266.
Sports Tourer with spare wheel
Open the floor cover of the load
compartment 3 82.
The jack, the towing eye and the tools
are located in the tool box below the
spare wheel. Spare wheel 3 266.