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Vehicle care207Light assembly in the tailgate
1. Release the cover in the tailgateand remove it.
2. Unscrew the plastic securing nutby hand.
3. Carefully withdraw the lightassembly from the recesses and
remove.
4. Detach the plug from the light assembly.
5.Press the three retaining lugs and
remove the bulb carrier from the
light assembly.
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208Vehicle careOn version with LED tail lights, theposition of the retaining lugs is
slightly different.
6. Remove and replace the bulb:
Tail light ( 1)
Rear fog light ( 2) (left side)
Reverse light ( 2) (right side)
On version with LED tail lights
only reverse light bulb ( 1) (right
side) or rear fog light bulb ( 1) (left
side) can be removed and
replaced.
7. Insert the bulb carrier into the tail light assembly. Attach plug to the
light assembly. Fit light assembly on the tailgate and tighten the
screw from the inside. Attach
cover.
Depending on the version, tail lights are designed as LEDs. In case of failure, have LEDs replaced by aworkshop.
Side turn signal lights
To replace bulb, remove lamp
housing:
1. Slide lamp to its left side and remove with its right end.
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Vehicle care209
2. Turn bulb holder anticlockwiseand remove from housing.
3. Pull bulb from bulb holder andreplace 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
1. Insert screwdriver in recess of the
cover, press to the side and
release spring.
2. Remove lamp downwards, taking care not to pull on the cable.
3. Remove bulb holder from lamp housing by turning anticlockwise.
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210Vehicle care4. Pull bulb from bulb holder andreplace it.
5. Insert bulb holder into lamp housing and turn clockwise.
6. Insert lamp into bumper and let engage.
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 mustmatch 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.
Fuse extractor
A fuse extractor may be located in the fuse box in the engine compartment.
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Vehicle care211
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.
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212Vehicle careNo.Circuit1Starter2Starter3Exhaust sensor4Engine control module5Engine functions6Transmission control module7–8Engine control module9Climate control system10–11Tailgate locking system12Seat lumbar massage13After boil pump14–15Exhaust sensor16Fuel injection17Fuel injectionNo.Circuit18–19–20–21–22ABS23Washer system for windscreen
and rear window24–25Diesel fuel heating26Transmission control module27Power tailgate module28–29Heated rear window30–31–32DC transformer/LED display/
Electrical heater/Climate
control/Glow plug controller/
Fuel pumpNo.Circuit33–34Horn35Power outlet load compartment36Right high beam (Halogen)/
Right low beam (LED)37Left high beam (Halogen)38LED headlight/Automatic head‐
light range adjustment39Front fog light40OnStar41Water in fuel sensor/Water
pump42Manual headlight range adjust‐
ment43Fuel pump44Rear view camera/Inside rear
view mirror/Trailer module/
Power connector45LED headlight left/Automatic
headlight range adjustment left
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Vehicle care213No.Circuit46Instrument cluster47Steering column lock48Rear wiper49Heated mirror50LED headlight right/Automatic
headlight range adjustment
right51Left low beam (LED)52Engine control module/Trans‐
mission control module53–54Windscreen wiper55–56–57–
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 box
The fuse box is located behind a
cover.
Pull the cover and remove.
Vehicles with power connector:
If the fuse cover has a power
connector, it must be removed by
using an adapter and a screwdriver.
The adapter is stowed in the glovebox 3 65 . The screwdriver is stowed in the
load compartment 3 217.
Attach the adapter to the power
connector.
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214Vehicle carePush the screwdriver through therecess in the adapter. Remove the
cover by pulling the screwdriver.No.Circuit1–2Climate control system, fan3Power seat driver side4Cigarette lighter/Power outlet
front5–6Power window front7ABS8Heated steering wheel9Body control module10Power window rear11Sunroof12Body control module13Seat heating (only on vehicles
without alarm horn)14Exterior mirror/Rain sensor/
Lane keep assist/High beam
assist15Body control moduleNo.Circuit16Body control module17Body control module18Body control module19Data link connector20Airbag system21Climate control system22Central locking system, tailgate23Electronic key system24Power seat memory function25Illumination switch steering
wheel26Ignition switch/Steering column
lock27Body control module28USB socket29–30Selector lever31Rear window wiper