
236If and when
Changing the fog light bulbs
Fog light bulb
Fig. 157 Fog light
Fig. 158 Fog light –
Remove the bolt ⇒ Fig. 157 A
from the fog light grille with a
screwdriver.
– Subsequently, remove the clips located on the edge of the grill
with gentle leverage.
– Remove the bolts (3x) ⇒ Fig. 158 B
to remove the fog light.
– Remove the metal clip situated on the upper part of the fog
light pulling towards the exterior of the vehicle ⇒ Fig. 158 C
.
Remove the bulb holder
Fig. 159 Fog light
– Remove connector ⇒ Fig. 159 A
from the bulb.
– Turn bulb holder ⇒ Fig. 159 B
to the left and pull.
– Remove the bulb by pressing on the bulb holder and turning it
anticlockwise at the same time.

237
If and when
– Installation involves the above steps in reverse sequence.
– Check that the bulb works properly.
Changing the rear, side and interior light
bulbs Summary of LED tail lights
LEDS
● Brake lights
● Side lights
Bulbs
● Rear fog light
● Reversing light
● Turn signal Tail lights
Fig. 160 Left tail light
Fig. 161 Right tail light
Turn signals
Side and brake
Side
A
BC
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

238If and when
Retro-fog light (left tail light)
Reverse light (right tail light)
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 tail lights
Fig. 162 Access to tail
lights
– Open the rear lid.
– Turn the bolt in the direction of the arrow, by hand or with a
screwdriver ⇒
Fig. 162.
– Remove the tail light, by pulling it outwards.
D
EChanging 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.

239
If and when
– 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.
Changing bulbs. LED lamps
Carry out the same operations as in lights fitted with bulbs.
If necessary, remove the socket, as if it were a bulb.
If the brake light and/or side light with LEDs have to be replaced, the tail
light must be replaced.
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.
– 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”.
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

240If and when
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. –
First fit the glass with the fastening tabs over the frame of the
switch. Next press the front part until the two long tabs click on
the support.
Additional brake light*
Given the difficulty involved in the replacement of this light it should be
done by the Technical Service.

241
If and when
Luggage compartment light*
Fig. 167 Luggage com-
partment light
Fig. 168 Luggage com-
partment light
– Extract the tulip shaped fitting by pressing on the inside edge
of this -arrow- using the flat side of a screwdriver ⇒ Fig. 167.–
Press the bulb sideways and remove it from its housing
⇒ Fig. 168.
Jump-starting
Jump leads
The jump lead must have a sufficient wire cross section. If the engine fails to start because of a discharged battery, the battery can
be connected to the battery of another vehicle to start the engine.
Jump leads
Jump leads must comply with standard DIN 72553 (see cable manufactur-
er's instructions). The wire cross section must be at least 25 mm 2
for petrol
engines and at least 35 mm 2
for diesel engines.
Note
● The vehicles must not touch each other, otherwise electricity could flow
as soon as the positive terminals are connected.
● The discharged battery must be properly connected to the on-board net-
work.
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

Index
A
ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 69
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Acoustic warning . . . . . . . . . . . . . . . . . . . . . . . 138
Adaptive headlights . . . . . . . . . . . . . . . . . . . . . 100
AFS headlight bulbs . . . . . . . . . . . . . . . . . . . . . 235
Airbag covers . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 30
Front airbags . . . . . . . . . . . . . . . . . . . . . . . . 33
side airbags . . . . . . . . . . . . . . . . . . . . . . . . . 37
Air conditioner Climatronic . . . . . . . . . . . . . . . . . . . . . . . . . 133
General notes . . . . . . . . . . . . . . . . . . . . . . . 135
Air conditioning* . . . . . . . . . . . . . . . . . . . . . . . 130
Air outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Air recirculation Semi-automatic air conditioning . . . . . . . . 132
Air recirculation mode Climatronic . . . . . . . . . . . . . . . . . . . . . . . . . 135
Alarm system Switching off . . . . . . . . . . . . . . . . . . . . . . . . . 87
Alternator Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 74
Anti-lock brake system . . . . . . . . . . . . . . . . . . . 163 Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 69 Anti-theft alarm system . . . . . . . . . . . . . . . . . . . 87
Switching off . . . . . . . . . . . . . . . . . . . . . . . . . 87
Anti-theft wheel bolts . . . . . . . . . . . . . . . . . . . 219
Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Aquaplaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Aspects to note before setting off . . . . . . . . . . . . 8
ASR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
ASR (Traction control system) Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 70
Audible warning . . . . . . . . . . . . . . . . . . . . . . . . . 19
Automatic anti-dazzle interior mirror Deactivating the anti-dazzle function . . . . 109
Automatic anti-dazzle interior mirror* Activating the anti-dazzle function . . . . . . 109
Automatic car washing tunnel . . . . . . . . . . . . . 175
Automatic gearbox . . . . . . . . . . . . . . . . . . . . . . 147 Kick-down feature . . . . . . . . . . . . . . . . . . . . 153
Selector lever positions . . . . . . . . . . . . . . . 151
Automatic lighting . . . . . . . . . . . . . . . . . . . . . . . 98
Automatic windscreen wiper/washer . . . . . . . 106
Auxiliary audio input connection: AUX . . . . . . 124
AUX input connection/USB* . . . . . . . . . . . . . . 124
B
Ball coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 Battery
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Winter conditions . . . . . . . . . . . . . . . . . . . . 207
Before setting off . . . . . . . . . . . . . . . . . . . . . . . . . 8
Belt tensioners . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Biodiesel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Biodiesel fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Brake pads . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Brake servo . . . . . . . . . . . . . . . . . . . . . . . . 162, 167
Brake system . . . . . . . . . . . . . . . . . . . . . . . . . . 206 warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 71
Braking distance . . . . . . . . . . . . . . . . . . . . . . . 167
Bulb change double headlight . . . . . . . . . . . . . . . . . . . . 231
Single headlight bulb . . . . . . . . . . . . . . . . 229
Bulb changes General notes . . . . . . . . . . . . . . . . . . . . . . . 227
Bulb defect Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 69
Buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104, 138
269
Index

C
Car care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Car phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . 168
CCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Central lock button Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Central locking . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Automatic speed dependent locking andunlocking system* . . . . . . . . . . . . . . . . . . 82
Locking system for involuntary unlocking . 82
Selective unlocking system* . . . . . . . . . . . . 81
Unlocking system* . . . . . . . . . . . . . . . . . . . . 82
Cetane number . . . . . . . . . . . . . . . . . . . . . . . . . 192
Changing bulbs interior light and reading light . . . . . . . . . 240
Changing bulbs on tail lights . . . . . . . . . . . . . 238
Changing gear see Manual gearbox . . . . . . . . . . . . . . . . . . 146
Changing gear in tiptronic mode . . . . . . . . . . 150
Changing single headlight bulbs Turn signal bulb . . . . . . . . . . . . . . . . . . . . . 229
Changing the AFS headlight bulbs Xenon lights . . . . . . . . . . . . . . . . . . . . . . . . 235
Changing the bulbs AFS headlight bulbs . . . . . . . . . . . . . . . . . . 235
fog light bulbs . . . . . . . . . . . . . . . . . . . . . . 236
luggage compartment light . . . . . . . . . . . . 241
number plate light . . . . . . . . . . . . . . . . . . . 239
Side turn signal lights . . . . . . . . . . . . . . . . 239 Changing the main headlight bulb
turn signal lights . . . . . . . . . . . . . . . . . . . . 233
Changing the main headlight bulbs turn signal lights . . . . . . . . . . . . . . . . . . . . 235
Changing the single headlight bulbs Dipped/main beam . . . . . . . . . . . . . . . . . . 230
Side light . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Changing windscreen wiper blades . . . . . . . . 203
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 248
Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Checking battery electrolyte level . . . . . . . . . . 208
Checking engine oil level . . . . . . . . . . . . . . . . . 198
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Child seat Categorisation in groups . . . . . . . . . . . . . . . 44
Group 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Group 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Group 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Groups 0 and 0+ . . . . . . . . . . . . . . . . . . . . . . 44
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . 42
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Child seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . 48
on the front passenger seat . . . . . . . . . . . . . 30
Top Tether system . . . . . . . . . . . . . . . . . . . . 49
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . . . . 123
Cleaning alloy wheel rims . . . . . . . . . . . . . . . . 179
Cleaning chrome . . . . . . . . . . . . . . . . . . . . . . . 178
Cleaning engine compartment . . . . . . . . . . . . 180
Cleaning steel wheel rims . . . . . . . . . . . . . . . . 179
Cleaning windows . . . . . . . . . . . . . . . . . . . . . . 177 Climatronic
automatic mode . . . . . . . . . . . . . . . . . . . . . 134
controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
General notes . . . . . . . . . . . . . . . . . . . . . . . 135
manual mode . . . . . . . . . . . . . . . . . . . . . . . 134
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Cloth seat covers cleaning . . . . . . . . . . . . . . . . 181
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Coming Home function . . . . . . . . . . . . . . . . . . 101
Compartment for on-board documentation . . 119
Control Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . 110
control lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Control lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Control lighting . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Controls Electric windows . . . . . . . . . . . . . . . . . . . . . . 92
Convenience closing Sliding/tilting sunroof . . . . . . . . . . . . . . . . . 95
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Convenience opening Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . 200, 201
Coolant level . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 74
Coolant loss . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Coolant temperature Safety instructions . . . . . . . . . . . . . . . . . . . . 74
Correct adjustment of front head restraints . . . 13
270 Index