Page 236 of 278
234If and when
Changing the bulbs of AFS headlights
AFS headlight bulbs
Fig. 155 AFS headlight
bulbs
Turn signal lights
Xenon headlight (dipped beam/main beam)
Changing the xenon bulb
The procedure for changing the bulb is the same on both sides of the vehi-
cle.
WARNING
This type of bulb should be changed at a specialised workshop.
A
B
Turn signal light bulb
Fig. 156 Turn signal
– Raise the bonnet.
– Rotate the bulb holder ⇒ fig. 156 A
to the left and pull.
– Remove the bulb by pressing on the bulb holder and rotating at
the same time to the left.
– Installation is done in the reverse order.
Page 239 of 278
237
If and when
Changing the rear, side and interior light
bulbs
Rear pilot lights
Fig. 160 Left pilot light
Fig. 161 Right pilot light Turn signals
Side and brake
Position
Retro-fog light (left pilot light)
Reverse light (right pilot)
Note
In countries driving on the right (left-driving), both D and E headlights are
placed the other way round (Retro-fog light on driver side and reverse light
on passenger side).
Access to rear pilot lights
Fig. 162 Access to tail
lights
– Open the tailgate.
– Turn the bolt in the direction of the arrow, by hand or with a
screwdriver ⇒ fig. 162.
A
BCDE
Safety FirstOperating InstructionsPractical TipsTechnical Specifications
Page 240 of 278
238If and when
–Remove the pilot light, by pulling it outwards.
Changing bulbs on tail lights
Fig. 163 Changing bulbs
on tail lights
Fig. 164 Changing bulbs
on tail lights –
Remove the connector from housing A
⇒ fig. 162.
– Remove the bulb holder, separating it from the casing. To do
this, press tabs B
in the direction of the arrows
⇒ fig. 163.
– Once the bulb holder has been removed, press downwards in
the direction of the arrow 1
and at the same time, turn in the
direction of the arrow 2 ⇒ fig. 164.
Side turn signal bulbs
Fig. 165 Side turn sig-
nals
– Press the turn signal to the left or to the right to remove the
bulb.
– Remove the bulb holder from the turn signal.
– Remove the failed bulb and replace with a new bulb.
Page 241 of 278

239
If and when
– Insert the bulb holder in the turn signal guide until it clicks into
place.
– First fit the turn signal in the opening in the chassis, fastening
the tabs 1
⇒ fig. 165, and then fit in the bulb as shown by the
arrow 2 ⇒ fig. 165.
Number plate light
– Insert the flat part of a screwdriver into the special slot and re-
move the bulb.
– Remove the bulb holder, by turning it until it is free.
– Change the bulb.
– Replace the bulb holder, by turning it until it fits fully.
– Fit the light into the space and press until you hear a “click”. Interior light and front reading light
Fig. 166 Front reading
light
To remove the glass
– Insert a fine screwdriver between the casing and the glass
⇒ fig. 166.
– Carefully remove the glass, levering it to avoid possible dam-
age.
To replace the bulbs
– Pull the bulbs outwards.
– To remove the central bulb, hold and press to one side.
Assembly
– Proceed in the reverse order, pressing gently on the outer edge
of the side light.
Safety FirstOperating InstructionsPractical TipsTechnical Specifications
Page 270 of 278

Central lock buttonLocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Central locking . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Automatic speed dependent locking andunlocking system* . . . . . . . . . . . . . . . . . . 79
Locking system for involuntary unlocking . 79
Selective unlocking system* . . . . . . . . . . . . 78
Unlocking system* . . . . . . . . . . . . . . . . . . . . 79
Cetane number . . . . . . . . . . . . . . . . . . . . . . . . . 192
Changing bulbs interior light and reading light . . . . . . . . . 239
Changing bulbs on tail lights . . . . . . . . . 237, 238
Changing gear see Manual gearbox . . . . . . . . . . . . . . . . . . 144
Changing gear in tiptronic mode . . . . . . . . . . 149
Changing single headlight bulbs Turn signal bulb . . . . . . . . . . . . . . . . . . . . . 228
Changing the AFS headlight bulbs Xenon lights . . . . . . . . . . . . . . . . . . . . . . . . 234
Changing the bulbs AFS headlight bulbs . . . . . . . . . . . . . . . . . . 234
fog light bulbs . . . . . . . . . . . . . . . . . . . . . . 235
luggage compartment light . . . . . . . . . . . . 240
number plate light . . . . . . . . . . . . . . . . . . . 239
Side turn signal lights . . . . . . . . . . . . . . . . 238
Changing the main headlight bulb turn signal lights . . . . . . . . . . . . . . . . . . . . 232
Changing the main headlight bulbs turn signal lights . . . . . . . . . . . . . . . . . . . . 234
Changing the single headlight bulbs Dipped/main beam . . . . . . . . . . . . . . . . . . 229
Side light . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Changing windscreen wiper blades . . . . . . . . 203
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 247
Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Checking battery electrolyte level . . . . . . . . . . 208
Checking engine oil level . . . . . . . . . . . . . . . . . 197
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Categorisation in groups . . . . . . . . . . . . . . . 44
Group 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Group 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Group 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Groups 0 and 0+ . . . . . . . . . . . . . . . . . . . . . . 44
ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . 47
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . 42
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Child seats on the front passenger seat . . . . . . . . . . . . . 30
Top Tether system . . . . . . . . . . . . . . . . . . . . 48
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . . . . 121
Cleaning alloy wheel rims . . . . . . . . . . . . . . . . 179
Cleaning chrome . . . . . . . . . . . . . . . . . . . . . . . 178
Cleaning engine compartment . . . . . . . . . . . . 180
Cleaning steel wheel rims . . . . . . . . . . . . . . . . 179
Cleaning windows . . . . . . . . . . . . . . . . . . . . . . 177
Climatronic automatic mode . . . . . . . . . . . . . . . . . . . . . 132
controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
General notes . . . . . . . . . . . . . . . . . . . . . . . 133
manual mode . . . . . . . . . . . . . . . . . . . . . . . 132
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Cloth seat covers cleaning . . . . . . . . . . . . . . . . 181
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Coming Home function . . . . . . . . . . . . . . . . . . . 97
Compartment for on-board documentation . . 117
Control
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . 108
Control lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Control lighting . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Controls Electric windows . . . . . . . . . . . . . . . . . . . . . . 89
Convenience closing Sliding/tilting sunroof . . . . . . . . . . . . . . . . . 92
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Convenience opening Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Coolant level . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 72
Coolant loss . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Coolant temperature Safety instructions . . . . . . . . . . . . . . . . . . . . 72
Correct adjustment of front head restraints . . . 13
Correct sitting position Front passenger . . . . . . . . . . . . . . . . . . . . . . 12
Incorrect sitting position . . . . . . . . . . . . . . . 14
Cruise control Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 69
Cruise control system . . . . . . . . . . . . . . . . . . . . 157
Cruise speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 69
268 Index