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172Vehicle care
3. Loosen fastening nuts with wheelbolt wrench and unscrew by hand.
Vehicle tools 3 187.
4. Detach bulb housing towards the
rear.
5.Unscrew the three screws using a
screwdriver. Press the locking
tabs on the outside of the bulb
holder inwards and remove the
bulb holder.
6. Remove and renew the bulb.
Reverse light ( 1)
Turn signal light ( 2)
Reverse light/brake light ( 3)
Reverse light ( 4)
Fog light, may be only on one side
( 5 )
7. Engage bulb holder in bulb housing, ensuring that it properly
engages.
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174Vehicle care
4. Detach bulb housing towards therear.
5. Remove seal from the fasteningbolt. Press the locking tabs on the
outside of the bulb holder outward and remove the bulb holder.
6. Remove and renew the bulb.
Reverse light ( 1)
Turn signal light ( 2)
Reverse light/brake light ( 3)
Reverse light ( 4)
Fog light, may be only on one side ( 5 )
7. Engage bulb holder in bulb housing, ensuring that it properly
engages.8. Ensure that the seals are applied to the bulb holder and fixing
screws.
9. Insert the bulb housing in the body, engaging the lug and the
ball pin in the recesses. Tighten
the fastening nuts using a wheel
bolt wrench. Attach the plug
connector. Close and engage the
flap.
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176Vehicle care
5. Press out six locking catches onthe bulb housing and remove bulb
carrier.
6. Remove and renew the bulb.
Brake light ( 1)
Reverse light ( 2)
Fog light, may be only on one side
( 3 )
Turn signal light ( 4)
Reverse light ( 5)
7. Engage bulb holder in bulb
housing. Ensure the seal is
applied correctly and the carrier
has engaged properly.
8. Attach the plug connector. Place bulb housing in body, clipping the
round- head bolts into the
recesses. Attach bulb housing to
the body with four screws. Close
cover and lock.
Station wagon, Van
1. Disengage cover by pressing retaining lugs and remove.
2. Detach plug connector from bulbholder.
3. Loosen fastening nuts and remove the bulb housing
rearwards.
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178Vehicle care
4.Disengage sockets by turning and
remove. Press locking tabs on thelong sides of the bulb holder
outwards; lift bulb holder at front end and remove.5. Remove and renew the bulb.
Reverse light/brake light ( 1)
Reverse light ( 2)
Fog light, may be only on one side
( 3 )
Reverse light ( 4)
Turn signal light ( 5)
6. Insert bulb holder in bulb housing by first inserting the lug at the front
of the plug. Fold together bulb
holder, ensuring that it engages
properly. Insert sockets and
engage by turning.7. Fit seal on bulb holder. Ensure that the seal is flat in the area of
the screws.
8. Engage plug. Insert bulb housing in body, ensuring proper
positioning of the ball pins in the
recesses. Tighten the retaining
nuts.
Side turn signal lights
Have the bulbs replaced by a
workshop.
Page 181 of 245
Vehicle care179Number plate light
1. Insert a screwdriver in thehousing, press to the side and
release spring.
2. Remove bulb housing downwards, taking care not to pull
on the cable.
3. Lift flap and disconnect wiring plug from bulb holder.4. Rotate bulb holder anti-clockwiseto disengage.
5. Remove bulb from holder and renew bulb.
6. Insert bulb holder in bulb housing and rotate clockwise.
7. Connect wiring plug to bulb holder.
8. Insert and engage bulb housing.
Page 185 of 245

Vehicle care183
Fuse assignments inconjunction with loadcompartment fuse box version ANo.Circuit1ABS2ABS3Interior fan climate control
system4Interior fan, heating, air condi‐
tioning system5Radiator fan6Radiator fan7Central locking system8Windscreen washer system,
tailgate9Heated rear window, heated
exterior mirror10Diagnostics plug11InstrumentsNo.Circuit12Mobile telephone, Infotainment
system, display13Courtesy light14Windscreen wiper15Windscreen wiper16Horn, ABS, brake light switch,
air conditioning system17Diesel fuel filter or air condi‐
tioning system18Starter19–20Horn21Engine electronics22Engine electronics23Headlight range adjustment24Fuel pump25–26Engine electronicsNo.Circuit27Heating, air conditioning system28–29Power steering30Engine electronics31Rear window wiper32Brake light switch33Headlight range adjustment,
light switch, clutch switch,
instrument, driver's door
module34Control unit, steering column
module35Infotainment system36Cigarette lighter, front power
outlet
Page 187 of 245
Vehicle care185Load compartment fuse
box
The fuse box is behind a cover.
Do not store any objects behind the
cover.
Depending on the equipment, there
are two different fuse boxes.
Saloon 5-door, Station wagon,
Van
To open, turn both catches with a coin
and fold down cover .
Saloon 3-door
To open, fold the cover upwards.
Saloon 4-door
To open, twist catch anti-clockwise
and fold down cover .
TwinTop
To open, pull the two knobs, remove
the clips and fold the cover upwards.
Fuse box version A
To replace a fuse, remove the
relevant protective cap.
No.Circuit1Fog light2–3Load compartment power outlet4Reversing lights5Rear power windows6Air conditioning system7Front power windows8Heated exterior mirrors
Page 189 of 245
Vehicle care187
No.Circuit29Cigarette lighter, front power
outlet30Rear power outlet31–32–33Open&Start system34Sun roof, TwinTop35Rear power outlet36Socket for towing equipment37–38Central locking system, terminal
3039Left seat heating40Right seat heating41–42–No.Circuit43–44–Vehicle tools
Tools
Vehicles with tyre repair set
The tool kit and tyre repair set are in
a storage compartment below the
floor cover in the load compartment.
Vehicles with spare wheel
The jack and tool kit are in a stowage
compartment in the boot below the
spare wheel. Spare wheel 3 198