
236If and when
Changing the fog light bulbs
Fog lights bulb
Fig. 158 Fog lights
Fig. 159 Fog lights –
Remove the bolt ⇒ fig. 158 A
from the fog light grill with a
screwdriver.
– Subsequently, unclip the clips situated on the contour of the
grill by making a small movement of the lever.
– Remove the bolts (3x) ⇒ fig. 159 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. 159 C
.
Remove the bulb holder
Fig. 160 Fog lights
– Extract the connector ⇒ fig. 160 A
from the bulb.
– Rotate the bulb holder ⇒ fig. 160 A
to the left and pull.
– Remove the bulb by pressing on the bulb holder and rotating at
the same time to the left.

237
If and when
– Installation is done in the reverse order.
– Check that the bulb functions.
Changing the rear, side and interior light
bulbs Access to rear pilot lights
Fig. 161 Access to tail
lights
– Open the tailgate.
– Turn the bolt in the direction of the arrow, by hand or with a
screwdriver ⇒ fig. 161.
– Remove the pilot light, by pulling it outwards. Changing bulbs on tail lights
Fig. 162 Changing bulbs
on tail lights
Fig. 163 Changing bulbs
on tail lights
– Remove the connector from housing A
⇒ fig. 161.
– Remove the bulb holder, separating it from the casing. To do
this, press tabs B
in the direction of the arrows
⇒ fig. 162.
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

238If and when
–When the bulb holder has been removed, press in the direction
of the arrow 1
and at the same time, turn in the direction of
the arrow 2 ⇒ fig. 163.
Side turn signal bulbs
Fig. 164 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. 164, and then fit in the bulb as shown by the
arrow 2 ⇒ fig. 164. 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. 165 Front reading
light
To remove the glass
– Insert a fine screwdriver between the casing and the glass
⇒ fig. 165.

239
If and when
– 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. Luggage compartment light*
Fig. 166 Luggage com-
partment light
Fig. 167 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. 166.
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

240If and when
–Press the bulb sideways and remove it from its housing
⇒ fig. 167.
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 manufacturer's doc-
umentation). The wire cross section must be at least 25 mm 2
for petrol en-
gines 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 vehicle elec-
trical system. How to jump start: description
Fig. 168 Diagram for
connecting jump leads if
the vehicle providing as-
sistance the current is
not fitted with the Start-
Stop system: flat battery
A
and battery providing
current B.
Fig. 169 Diagram for
connecting jump leads if
the vehicle providing as-
sistance is fitted with the
Start-Stop system: flat
battery A
and battery
providing current B.
Jump lead terminal connections
1. Switch off the ignition of both vehicles ⇒
.

Index
A
ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 67
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Acoustic signal . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Acoustic warning . . . . . . . . . . . . . . . . . . . . . . . 137
Adaptive headlights . . . . . . . . . . . . . . . . . . . . . . 98
AFS headlight bulbs . . . . . . . . . . . . . . . . . . . . . 235
Airbag covers . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Front airbags . . . . . . . . . . . . . . . . . . . . . . . . 33
side airbags . . . . . . . . . . . . . . . . . . . . . . . . . 37
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 30
Air conditioner Climatronic . . . . . . . . . . . . . . . . . . . . . . . . . 132
General notes . . . . . . . . . . . . . . . . . . . . . . . 134
Air conditioning . . . . . . . . . . . . . . . . . . . . . . . . 129
Air outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Air recirculation Semi-automatic air conditioning . . . . . . . . 131
Air recirculation mode Climatronic . . . . . . . . . . . . . . . . . . . . . . . . . 134
Alarm system Switching off . . . . . . . . . . . . . . . . . . . . . . . . . 85
Alternator Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 72
Anti-freeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Anti-lock brake system . . . . . . . . . . . . . . . . . . . 163
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 67
Anti-theft alarm system . . . . . . . . . . . . . . . . . . . 85 Switching off . . . . . . . . . . . . . . . . . . . . . . . . . 85
Anti-theft wheel bolts . . . . . . . . . . . . . . . . . . . 219
Aquaplaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Aspects to note before setting off . . . . . . . . . . . . 8
Automatic anti-dazzle interior mirror Activating the anti-dazzle function . . . . . . 108
Deactivating the anti-dazzle function . . . . 108
Automatic car washing tunnel . . . . . . . . . . . . . 176
Automatic gearbox . . . . . . . . . . . . . . . . . . . . . . 146 Kick-down feature . . . . . . . . . . . . . . . . . . . . 153
Selector lever positions . . . . . . . . . . . . . . . 151
Automatic lighting . . . . . . . . . . . . . . . . . . . . . . . 96
Automatic windscreeen wiper/washer . . . . . . 104
AUX/USB input connection . . . . . . . . . . . . . . . 123
Auxiliary audio input connection (AUX) . . . . . 123
B
Ball coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Battery Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Winter conditions . . . . . . . . . . . . . . . . . . . . 208
Before setting off . . . . . . . . . . . . . . . . . . . . . . . . . 8
Biodiesel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Biodiesel fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 193 Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Brake pads . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Brake servo . . . . . . . . . . . . . . . . . . . . . . . . 162, 167
Brake system . . . . . . . . . . . . . . . . . . . . . . . . . . 206 warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 69
Braking distance . . . . . . . . . . . . . . . . . . . . . . . 167
Bulb change double headlight . . . . . . . . . . . . . . . . . . . . 231
Single headlight bulb . . . . . . . . . . . . . . . . 229
Bulb changes General notes . . . . . . . . . . . . . . . . . . . . . . . 227
Bulb defect Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 67
Buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102, 137
C
Car care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Car phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . 168
CCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Central locking . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Automatic speed-dependent locking . . . . . 79
Emergency unlocking system . . . . . . . . . . . 79
Locking system for involuntary unlocking . 79
267
Index

Selective unlocking system . . . . . . . . . . . . . 78
Unlocking system . . . . . . . . . . . . . . . . . . . . . 79
Central locking button Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Cetane number . . . . . . . . . . . . . . . . . . . . . . . . . 193
Changing bulbs interior light and reading light . . . . . . . . . 238
Changing bulbs on tail lights . . . . . . . . . . . . . 237
Changing gear see Manual gearbox . . . . . . . . . . . . . . . . . . 145
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 . . . . . . . . . . . . 239
number plate light . . . . . . . . . . . . . . . . . . . 238
Side turn signal lights . . . . . . . . . . . . . . . . 238
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 . . . . . . . . 204
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 247
Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209 Checking battery electrolyte level . . . . . . . . . . 209
Checking engine oil level . . . . . . . . . . . . . . . . . 198
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 . . . . . . . . . . . . . . . . . . . . . . . . 122
Cleaning alloy wheel rims . . . . . . . . . . . . . . . . 180
Cleaning chrome . . . . . . . . . . . . . . . . . . . . . . . 179
Cleaning engine compartment . . . . . . . . . . . . 181
Cleaning steel wheel rims . . . . . . . . . . . . . . . . 180
Cleaning windows . . . . . . . . . . . . . . . . . . . . . . 178
Climatronic automatic mode . . . . . . . . . . . . . . . . . . . . . 133
controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
General notes . . . . . . . . . . . . . . . . . . . . . . . 134
manual mode . . . . . . . . . . . . . . . . . . . . . . . 133
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Cloth seat covers cleaning . . . . . . . . . . . . . . . . 182
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Coming Home function . . . . . . . . . . . . . . . . . . . 98
Compartment for on-board documentation . . 118 Control
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . 109
Control lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Control lighting . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Controls Electric windows . . . . . . . . . . . . . . . . . . . . . . 90
Convenience closing Sliding/tilting sunroof . . . . . . . . . . . . . . . . . 94
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Convenience opening Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Coolant level . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 71
Coolant loss . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Coolant temperature Safety instructions . . . . . . . . . . . . . . . . . . . . 72
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 71
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 . . . . . . . . . . . . . . . . . . . . 158
Cruise speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 69
D Danger of fitting a child seat on the front pas- senger seat . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
268 Index

Dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Dash panel cleaning . . . . . . . . . . . . . . . . . . . . 181
Daytime running lights . . . . . . . . . . . . . . . . . . . 97
Deactivating front passenger airbagSafety notes . . . . . . . . . . . . . . . . . . . . . . . . . 41
Deactivating the airbag Front passenger airbag . . . . . . . . . . . . . . . . 40
Diesel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Diesel engine Winter driving . . . . . . . . . . . . . . . . . . . . . . . 194
Diesel engine particulate filter . . . . . . . . . . . . 169
Differential lock . . . . . . . . . . . . . . . . . . . . . . . . 165
Differential lock fault (EDL) Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 68
Digital clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Dipped beam headlights . . . . . . . . . . . . . . . . . . 95
Disposal Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Seat belt tensioners . . . . . . . . . . . . . . . . . . . 27
Door lock cylinders . . . . . . . . . . . . . . . . . . . . . . 179
Door release lever . . . . . . . . . . . . . . . . . . . . . . . 51
Doors Childproof locks . . . . . . . . . . . . . . . . . . . . . . 81
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 70
Double headlight . . . . . . . . . . . . . . . . . . . . . . . 231
Double headlight bulb change dipped beam headlights . . . . . . . . . . . . . . 233
main beam headlights . . . . . . . . . . . . . . . . 232
side light . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Driver see Correct sitting position . . . . . . . 10, 11, 12 Driveshaft differential
XDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Drive wheel traction control system . . . . . . . . 163
Driving Driving abroad . . . . . . . . . . . . . . . . . . . . . . 172
Economically / Environmentally friendly . 170
With a trailer . . . . . . . . . . . . . . . . . . . . 173, 174
Driving abroad . . . . . . . . . . . . . . . . . . . . . . . . . 172 Headlights . . . . . . . . . . . . . . . . . . . . . . . . . 172
Driving safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Duplicate keys . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Dust filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Dynamic headlight range control . . . . . . . . . . . 97
E
Economical driving . . . . . . . . . . . . . . . . . . . . . . 170
EDL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 67
Electrical sockets . . . . . . . . . . . . . . . . . . . . . . . 122
Electro-hydraulic steering Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 71
Electronic differential lock . . . . . . . . . . . . . . . . 165 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 67
Electronic immobiliser . . . . . . . . . . . . . . . . . . . 138
Electronic Stability Programme . . . . . . . . . 68, 164 Description . . . . . . . . . . . . . . . . . . . . . . . . . 137
Electronic Stability Programme (ESP) Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 68
Emission control system Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 71 Engine
Running in . . . . . . . . . . . . . . . . . . . . . . . . . 167
Engine compartment Working in the engine compartment . . . . 194
Engine coolant . . . . . . . . . . . . . . . . . . . . . . . . . 201
Engine fault Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 66
Engine management Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 65
Engine oil Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Checking engine oil level . . . . . . . . . . . . . . 198
Oil properties . . . . . . . . . . . . . . . . . . . . . . . 198
Specifications . . . . . . . . . . . . . . . . . . . . . . . 197
Topping up . . . . . . . . . . . . . . . . . . . . . . . . . 199
Engine oil dipstick . . . . . . . . . . . . . . . . . . . . . . 198
Engine oil pressure Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 66
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 Environmental friendliness . . . . . . . . . . . . 171
Environmentally friendly driving . . . . . . . . . . . 170
Environmental tip Avoiding pollution . . . . . . . . . . . . . . . . . . . 189
ESP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68, 164 see also Electronic Stability Programme . . 137
Exhaust gas purification system . . . . . . . . . . . 168
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . . . . 178
External aerial . . . . . . . . . . . . . . . . . . . . . . . . . . 185
F
Fabric trim cleaning . . . . . . . . . . . . . . . . . . . . . 182
269
Index