Page 172 of 227
170Vehicle care3. Detach the bulb from the bulbsocket and replace the bulb.
4. Insert the bulb socket into the reflector housing.
5. Fit the protective cover on.
High beam / daytime running light
(2)
1. Remove the protective cover by pulling.
2. Rotate the bulb socket anticlockwise to disengage and
withdraw from the reflector.
3. Insert the new bulb socket into the
reflector housing.
4. Fit the protective cover on.
LED headlights Headlights for low and high beam,
daytime running lights and turn lights
are designed as LEDs and cannot be
changed.
Have lights repaired by a workshop in
case of failure.
Front fog lights
Have lights repaired by a workshop in case of failure.
Front turn lights
Turn light ( 1) outer bulb.
Page 174 of 227
172Vehicle care2. Slacken the lamp fixing nut usinga box spanner or socket.
To avoid losing the nut if it drops
into the wing trim, first place a
cloth below it.
3. Manually unscrew and remove the lamp fixing nut.
4. Carefully withdraw tail lightassembly from the recess and
remove.
5. Detach the cable from the retainer.
6. Press the five retaining lugs andremove the bulb carrier from the
light assembly.
7. Remove and replace the bulbs:
Tail light / brake light ( 1)
Turn light ( 2)
Reverse light ( 3)
8. Insert the bulb carrier into the light
assembly. Attach plug to the light
assembly. Fit the light assembly in the recess and tighten the lamp
fixing nut from the inside. Attach
the cover.
Rear fog light
1. Turn the bulb holder anticlockwise
and remove it from the reflector
housing.
Page 175 of 227

Vehicle care173
2. Slightly press down the bulb, turnit anticlockwise and remove it
from the socket.
3. Replace and insert the new bulb into socket by turning clockwise.
4. Insert the bulb socket into the reflector and turn clockwise.
Centre high-mounted brake light Have lights repaired by a workshop in
case of failure.
Bulb check Switch on the ignition, operate and
check all lights.
Number plate light
Have lights repaired by a workshop in case of failure.
Interior lights Have the following bulbs replaced bya workshop:
● courtesy light, reading lights
● load compartment light
● instrument panel illuminationElectrical system
Fuses
Data on the replacement fuse must
match the data on the defective fuse.
The three fuse boxes are located in: ● 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.
Page 222 of 227

220IndexAAccessories and vehicle modifications .......................... 160
Active emergency braking ....72, 131
Adaptive cruise control ..............123
AdBlue .................................. 70, 106
Adjustable air vents .....................95
Advanced parking assist ............141
Airbag and belt tensioners ...........66
Airbag deactivation ................38, 66
Airbag label................................... 33 Airbag system .............................. 33
Air conditioning regular operation 96
Air conditioning system ................ 89
Air intake ...................................... 96
Air vents........................................ 95
Antilock brake system ................ 114
Antilock brake system (ABS) .......68
Anti-theft alarm system ................18
Anti-theft locking system .............. 17
Appearance care ........................193
Armrest ......................................... 30
Ashtrays ....................................... 60 Automatic anti-dazzle ..................22
Automatic crash notification (ACN) 77
Automatic light control .................80
Automatic locking ........................15
Automatic operation of electric parking brake off .......................68
Automatic transmission .............109Autostop............................... 71, 102
Auxiliary heater ............................. 95
B Battery discharge protection ........87
BlueInjection ............................... 106
Bonnet ....................................... 162
Brake and clutch fluid .................199
Brake and clutch system .............67
Brake assist ............................... 117
Brake fluid .................................. 165
Brakes ........................................ 165
Breakdown.................................. 191
Bulb replacement ....................... 169
C Capacities .................................. 208
Catalytic converter .....................106
Central locking system ................11
Centre console storage ...............47
Changing tyre and wheel size ...180
Charging system .......................... 66
Child locks ................................... 16
Child restraint installation locations ................................... 43
Child restraints.............................. 40
Child restraint systems ................40
Cigarette lighter ........................... 60
Climate control systems ...............88
Clock............................................. 58
Control indicators.......................... 65