
335
If and when
To replace the front bumper bulbs
Fig. 210 On the right-
hand side of the front
bumper: Removing the
headlights
Fig. 211 Changing the
bulbs in the headlights
Complete operations only in the sequence given:
1.Always take the checklist into account and take the necessary ac-
tions ⇒ page 331.
2.Pull the cover forwards, in the direction of the arrow ⇒ Fig. 210.
3.Unscrew the attachment screw ⇒ Fig. 210 1 using the screwdriver
from the vehicle tool kit ⇒ page 324.
4.Tilt the headlight slightly forward and extract it from its lateral at-
tachments ⇒ Fig. 211 (small arrows).
5.Release the connector ⇒ Fig. 211 1 and remove it.
6.Rotate the lamp holder ⇒ Fig. 211 2 to the left all the way, in the
direction of the arrow, and pull it out backwards with the bulb.
7.Replace the faulty bulb by a new identical bulb.
8.Place the bulb holder in the headlight and rotate to the right all the
way.
9.Insert the connector ⇒ Fig. 211 1 on the lamp holder 2. The con-
nector must audibly click into place.
10.Place the headlight into its position ⇒ Fig. 211 (small arrows) and
tilt it backwards.
11.Tighten the attachment screw ⇒ Fig. 210 1 using the screwdriver.12.Replace the cover on the bumper ⇒ Fig. 210.
Safety FirstOperating instructionsPractical TipsTechnical Specifications

336If and when
To replace the rear lid light bulbs
Fig. 212 On the rear lid:
Remove the cover
Fig. 213 On the rear lid:
Remove the lamp holder Complete operations only in the sequence given:
1.Always take the checklist into account and take the necessary ac-
tions
⇒ page 331.
2.Open the rear lid ⇒ page 84.
3.Extract the cover carefully using the flat part of the screwdriver from
the vehicle tool kit as a lever ( ⇒ Fig. 201) on the indent ⇒ Fig. 212
1
.
4.Release the lamp holder connector by pulling on the red connector
block.
5.Press on the attachment tabs in the direction of the arrow
⇒ Fig. 213 and pull out the lamp holder.
6.Replace the faulty bulb by a new identical bulb.
7.Install the lamp holder. The attachment tabs should audibly click
into place.
8.Insert the cover. The cover should lock into place.

337
If and when
To replace the tail light bulbs
Fig. 214 On the side of the luggage compartment: To
remove the left and right hand side tail lights. 1 re-
move the cap; 2 attachment screw
Fig. 215 Tail lights on
bodywork: Remove the
lamp holder 1
to 4: At-
tachment tab
Complete operations only in the sequence given.
Removing the tail light units
Complete operations only in the sequence given:
Tail light, leftTail light, right
1.Always take the checklist into account and take the necessary ac- tions ⇒ page 331.
2.Open the rear lid ⇒ page 84.
3.Open the storage compartments
on the left-hand side of the lug-
gage compartment ⇒ page 142.Move the 12 V power socket sup-
port by pressing gently down-
wards ⇒ Fig. 214 B
(arrow).
4.Rotate the cap 1 90° in the di-
rection of the arrow and remove
it.
5.Unscrew the attachment screw ⇒ Fig. 214 2 using the screwdriver
from the vehicle tool kit ⇒ page 324. The bolt is secured in its posi-
tion.
6.Extract the tail light from the bodywork by carefully pulling back- wards.
7.Pull the red strip on the connector and extract the connector.8.Disassemble the tail light unit and place it on a flat, clean surface.
Safety FirstOperating instructionsPractical TipsTechnical Specifications

338If and when
To change the bulb
9.To release the lamp holder, press on the attachment tabs ⇒ Fig. 215
1 to 4 in the direction of the arrow.10.Remove the lamp holder from the tail light unit.11.Replace the faulty bulb by a new identical bulb.
12.Place the lamp holder in the tail light unit. The attachment tabs
should audibly click into place.
13.Insert the connector and press the red attachment strip in so that
the connector is locked into place.
Assembling the tail light units
Complete operations only in the sequence given:
Tail light, leftTail light, right
14.Carefully insert the tail light unit into the opening in the bodywork.
To do this, insert the upper tail light unit guide into the attachment ring.
15.Tighten the white attachment screw using the screwdriver from thevehicle tool kit.
Tail light, leftTail light, right
16.Ensure that the tail light unit has been correctly fitted and is firmly secured.
17.Replace the cap ⇒ Fig. 214 1and rotate it 90° in the opposite
direction of the arrow.Move the 12 V power socket sup-
port upwards gently until it is
correctly closed.
18.Close the storage compartment. 19.Close the rear lid ⇒ page 84.

339
If and when
Changing the number plate light
Fig. 216 On the rear
bumper: number plate
lightsFig. 217 Number plate
light: Remove the lamp
holder
Complete operations only in the sequence given:
Fixed number plate lightBolted number plate light1.Always take the checklist into account and take the necessary actions ⇒ page 331.
2.Press the flat part of the screwdriver included in the vehicle on-board
tools (⇒ Fig. 201) in the direction of the arrow, in the groove of the
number plate light ⇒ Fig. 216.Unscrew the number plate light screws using the screwdriver from the
vehicle tool kit (⇒ Fig. 201).
3.Detach the number plate light.
4.Press on the connector lock in the direction of the arrow ⇒ Fig. 217 Aand pull out the connector.Separate the attachment tabs from the rear panel of the number plate
light by pressing.
5.Rotate the lamp holder in the direction of the arrow
⇒ Fig. 217 B and
extract it with the lamp.Take the lamp holder out of the number plate light.
6.Replace the faulty bulb by a new identical bulb.
7.Insert the lamp holder into the number plate light and rotate all the
way in the opposite direction to the arrow ⇒ Fig. 217 B.Insert the lamp holder into the number plate light.
8.Plug the connector into the lamp holder.Press on the attachment tabs. The lamp holder must be firmly attached
to the number plate light.
Safety FirstOperating instructionsPractical TipsTechnical Specifications

Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185Brake servo . . . . . . . . . . . . . . . . . . . . . . . . . 189
Electronic parking brake . . . . . . . . . . . . . . 187
Emergency braking function . . . . . . . . . . . 188
Parking brake . . . . . . . . . . . . . . . . . . . . . . . 187
Brake assist systems . . . . . . . . . . . . . . . . . . . . 191
Brake assist system (BAS) . . . . . . . . . . . . . . . . 191
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 Specification . . . . . . . . . . . . . . . . . . . . . . . . 194
Brakes Brake assist systems . . . . . . . . . . . . . . . . . 191
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 193
Brake fluid level . . . . . . . . . . . . . . . . . . . . . 194
Brake pads . . . . . . . . . . . . . . . . . . . . . . . . . 189
Changing the brake fluid . . . . . . . . . . . . . . 194
Control lamp . . . . . . . . . . . . . . . . . . . . . . . . 186
Emergency brake indicator in case of sud-den braking . . . . . . . . . . . . . . . . . . . . . . . 317
Running-in brake pads . . . . . . . . . . . . . . . . 189
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 186
Brake servo . . . . . . . . . . . . . . . . . . . . . . . . 189, 191
Brake system Malfunction . . . . . . . . . . . . . . . . . . . . . . . . 189
Brake systems . . . . . . . . . . . . . . . . . . . . . . . . . 191
Braking assist . . . . . . . . . . . . . . . . . . . . . . . . . . 191 Brake assist system (BAS) . . . . . . . . . . . . . 191
Breakdown Securing the vehicle . . . . . . . . . . . . . . . . . 316
Bulb fault See changing bulbs . . . . . . . . . . . . . . . . . . 330 C
Card compartments . . . . . . . . . . . . . . . . . . . . . 146
Care See "Care of your vehicle" . . . . . . . . . . . . . 246
Vehicle interior . . . . . . . . . . . . . . . . . . . . . . 253
Care of your vehicle Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Caring for paintwork . . . . . . . . . . . . . . . . . . . . . 251
Carrier system . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . 234 Control lamp . . . . . . . . . . . . . . . . . . . . . . . . 233
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . 234
CD changer . . . . . . . . . . . . . . . . . . . . . . . . 142, 150
Central locking . . . . . . . . . . . . . . . . . . . . . . . 75, 78 Anti-theft alarm . . . . . . . . . . . . . . . . . . . . . . 79
Locking/unlocking the vehicle . . . . . . . . . . 77
Central locking system After airbag deployment . . . . . . . . . . . . . . . 76
Description . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Opening doors individually . . . . . . . . . . . . . 76
Centre armrest . . . . . . . . . . . . . . . . . . . . . . . . . 127
Changing Windscreen wiper blades . . . . . . . . . . . . . 250
Changing a wheel . . . . . . . . . . . . . . . . . . . . . . 310 Changing a wheel . . . . . . . . . . . . . . . . . . . 315
Preparations . . . . . . . . . . . . . . . . . . . . . . . . 310
Raising the vehicle . . . . . . . . . . . . . . . . . . . 313
Wheel bolts . . . . . . . . . . . . . . . . . . . . . . . . . 311
Changing bulbs . . . . . . . . . . . . . . . . . . . . . . . . 330 Bodywork . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Control lamp . . . . . . . . . . . . . . . . . . . . . . . . 330 Front bumper . . . . . . . . . . . . . . . . . . . . . . . 335
Halogen headlights . . . . . . . . . . . . . . . . . . 332
Initial operations . . . . . . . . . . . . . . . . . . . . 331
Number plate light . . . . . . . . . . . . . . . . . . . 339
Rear lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Sea changing bulbs . . . . . . . . . . . . . . . . . . 330
Tail lights . . . . . . . . . . . . . . . . . . . . . . 336, 337
Xenon headlights . . . . . . . . . . . . . . . . . . . . 334
Changing gear . . . . . . . . . . . . . . . . . . . . . . . . . 176 Automatic gearbox . . . . . . . . . . . . . . . . . . . 180
Engaging gears (manual gearbox) . . . . . . 179
Manual gearbox . . . . . . . . . . . . . . . . . . . . . 179
Manually unlocking the gear selector lever . .323
Selecting gears (automatic gearbox) . . . . 180
Warning and control lamps . . . . . . . . . . . . 177
Changing gears Gear recommendation . . . . . . . . . . . . . . . . 184
Tiptronic . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Changing the battery of the vehicle key . . . . . . . . . . . . . . . . . . . . . 74
Changing the wheel After changing the wheel . . . . . . . . . . . . . . 315
Checking Tyre pressures . . . . . . . . . . . . . . . . . . . . . . . 302
Checking the oil level . . . . . . . . . . . . . . . . . . . . 285
Check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Checklist Before working in the engine compart-ment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Changing bulbs . . . . . . . . . . . . . . . . . . . . . 331
In case of an emergency . . . . . . . . . . . . . . 316
363
Index

Check listPreparations for changing a wheel . . . . . . 310
Raising the vehicle with the jack . . . . . . . . 314
Checklist Refilling precautions . . . . . . . . . . . . . . . . . 271
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Seat upholstery . . . . . . . . . . . . . . . . . . . . . 254
Transporting children in the vehicle . . . . . . 40
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Child safety seat Securing with seat belt . . . . . . . . . . . . . . . . 44
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Integrated child seat . . . . . . . . . . . . . . . . . . 45
ISOFIX child seat on rear seats . . . . . . . . . . 43
Mounting child seats . . . . . . . . . . . . . . . . . . 41
Mounting systems . . . . . . . . . . . . . . . . . . . . 42
On rear seats . . . . . . . . . . . . . . . . . . . . . . . . 43
On the front passenger seat . . . . . . . . . . . . 42
Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Securing using a Top Tether retaining strap 45
Securing using ISOFIX . . . . . . . . . . . . . . . . . 44
Securing using LATCH . . . . . . . . . . . . . . . . . 44
Transporting children in the vehicle . . . . . . 40
Weight categories . . . . . . . . . . . . . . . . . . . . 41
Child seats Disabling the front passenger front airbag 35
Cigarette lighter . . . . . . . . . . . . . . . . . . . . 152, 153
Cleaning dash panel . . . . . . . . . . . . . . . . . . . . . . . . . 257
Engine compartment . . . . . . . . . . . . . . . . . 253
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . 258
See "Care of your vehicle" . . . . . . . . . . . . . 246 wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Windscreen wiper blades . . . . . . . . . . . . . 250
Cleaning chrome parts . . . . . . . . . . . . . . . . . . . 251
Cleaning the vehicle Folding exterior mirrors . . . . . . . . . . . . . . . 114
Climatronic see "Air conditioner" . . . . . . . . . . . . . . . . . 157
Closing Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Electric sliding door . . . . . . . . . . . . . . . . . . . 82
Electric windows . . . . . . . . . . . . . . . . . . . . . . 90
Panoramic sliding sunroof . . . . . . . . . . . . . . 93
Rear Lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
See "Locking" . . . . . . . . . . . . . . . . . . . . . . . . 77
Sliding doors . . . . . . . . . . . . . . . . . . . . . . . . 81
Sun blind . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Coat hooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Code number . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Collection of end-of-life vehicles . . . . . . . . . . . 260
Combined weight rating . . . . . . . . . . . . . . . . . 244
Coming Home . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Compartment Glove compartment . . . . . . . . . . . . . . . . . . 146
Compartments Card compartments . . . . . . . . . . . . . . . . . . 146
Centre console . . . . . . . . . . . . . . . . . . . . . . 145
Drawers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Folding table . . . . . . . . . . . . . . . . . . . . . . . . 148
Front central armrest . . . . . . . . . . . . . . . . . 145
Instrument panel . . . . . . . . . . . . . . . . . . . . 144
Other storage compartments . . . . . . . . . . 149 Portable waste bin . . . . . . . . . . . . . . . . . . . 149
Rear footwell . . . . . . . . . . . . . . . . . . . . . . . . 147
Roof console . . . . . . . . . . . . . . . . . . . . . . . . 144
Spectacle case . . . . . . . . . . . . . . . . . . . . . . 143
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Connectors Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Consumer disconnection . . . . . . . . . . . . . . . . . 295
Consumption How it is determined . . . . . . . . . . . . . . . . . 274
Information . . . . . . . . . . . . . . . . . . . . . . . . . 274
Control lamp AdBlue . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . 31
Brake pad wear indication . . . . . . . . . . . . . 186
Brake system . . . . . . . . . . . . . . . . . . . . . . . 186
Catalytic converter . . . . . . . . . . . . . . . . . . . 233
Changing bulbs . . . . . . . . . . . . . . . . . . . . . 330
Changing gear . . . . . . . . . . . . . . . . . . . . . . 177
Checking the engine oil level . . . . . . . . . . 283
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Cruise control . . . . . . . . . . . . . . . . . . . . . . . 214
Diesel particulate filter . . . . . . . . . . . . . . . 233
Engine management . . . . . . . . . . . . . . . . . 233
Engine oil sensor . . . . . . . . . . . . . . . . . . . . 283
ESC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Exhaust gas purification system . . . . . . . . 233
Filling the tank . . . . . . . . . . . . . . . . . . . . . . 269
Fuel level . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Lane assist system . . . . . . . . . . . . . . . . . . . 218
Pressing the brake . . . . . . . . . . . . . . . . . . . 186
Steering column lock . . . . . . . . . . . . . . . . . 169
364 Index

Preparation before replacing . . . . . . . . . . . 328
Replacement . . . . . . . . . . . . . . . . . . . . . . . . 328
G General instrument panel Turn signal and headlight lever . . . . . . . . . . 97
General overview of the engine compartment 352
Glove compartment . . . . . . . . . . . . . . . . . . . . . 146
Glove compartment lighting . . . . . . . . . . . . . . 103
H Handbrake See "Parking brake" . . . . . . . . . . . . . . . . . . 187
Hazard warning lights . . . . . . . . . . . . . . . . . . . 316
Hazard warning triangle . . . . . . . . . . . . . . . . . 318
Headlamp range adjustment . . . . . . . . . . . . . . . 53
Headlight adjustment . . . . . . . . . . . . . . . . . . . 100
Headlight lever . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Headlight range control . . . . . . . . . . . . . . . . . . 102
Headlights Adaptive headlights . . . . . . . . . . . . . . . . . . 100
Dipped beam headlights . . . . . . . . . . . . . . . 98
Driving abroad . . . . . . . . . . . . . . . . . . . . . . 101
Headlight control . . . . . . . . . . . . . . . . . . . . . 98
Headlight washers . . . . . . . . . . . . . . . . . . . 108
Side light . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Turning lights . . . . . . . . . . . . . . . . . . . . . . . 100
Head restraint . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Head restraints . . . . . . . . . . . . . . . . . . . . . . . . . 124
Heated rear window . . . . . . . . . . . . . . . . . . . . . 160 Heated seats . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Heated windscreen . . . . . . . . . . . . . . . . . . . . . 160
High pressure cleaning equipment . . . . . . . . . 248
Hitch ball
Electric release . . . . . . . . . . . . . . . . . . . . . . 238
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
I
Ignition See "Engine and ignition" . . . . . . . . . . . . . 172
Ignition lock . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 Safety interlock . . . . . . . . . . . . . . . . . . . . . . 174
Unauthorised vehicle key . . . . . . . . . . . . . 173
Immobiliser . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Operating fault . . . . . . . . . . . . . . . . . . . . . . 172
In case of a breakdown Securing the vehicle . . . . . . . . . . . . . . . . . 316
In case of an emergency Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Hazard warning lights . . . . . . . . . . . . . . . . 316
In case of a breakdown . . . . . . . . . . . . . . . 316
Protecting yourself and securing the vehi-cle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
In case of emergency . . . . . . . . . . . . . . . . . . . . 316
Indication on display Sign Assist . . . . . . . . . . . . . . . . . . . . . . . . . 221
Indicator Vehicle key . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Information on consumption . . . . . . . . . . . . . . 274
Initial operations Changing bulbs . . . . . . . . . . . . . . . . . . . . . 331 Instrument panel . . . . . . . . . . . . . . . . . . . . . 57, 63
Display . . . . . . . . . . . . . . . . . . . . . . . 57, 58, 63
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . 57
Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Service interval display . . . . . . . . . . . . . . . . 61
Integrated child seat . . . . . . . . . . . . . . . . . . . . . 45 Removing . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Seat belt routing . . . . . . . . . . . . . . . . . . . . . . 48
Setting up . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Interior monitoring . . . . . . . . . . . . . . . . . . . . . . . 80
ISOFIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
J Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 Raising the vehicle . . . . . . . . . . . . . . . . . . . 313
K
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Assigning a key . . . . . . . . . . . . . . . . . . . . . . 72
Changing the battery (vehicle key) . . . . . . . 74
Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Remote control . . . . . . . . . . . . . . . . . . . . . . . 72
Spare key . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Vehicle key . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Key switch Deactivating the front passenger front air-bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Kickdown system . . . . . . . . . . . . . . . . . . . . . . . 182
Knee airbag See "Airbag system" . . . . . . . . . . . . . . . . . . 38
368 Index