Page 105 of 327

Instruments and controls103Control indicatorsThe control indicators described are
not present in all vehicles. The
description applies to all instrument
versions. Depending on the
equipment, the position of the control
indicators may vary. When the
ignition is switched on, most control
indicators will illuminate briefly as a
functionality test.
The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
See all control indicators on different
instrument clusters 3 93.
Turn signal
O illuminates or flashes green.
Illuminates briefly
The parking lights are switched on.
Flashes
A turn signal or the hazard warning flashers are activated.
Rapid flashing: failure of a turn signal light or associated fuse, failure of turn
signal light on trailer.
Bulb replacement 3 234, Fuses
3 244.
Turn signals 3 134.
Seat belt reminder
Seat belt reminder on front seats X for driver's seat illuminates or
flashes red in the instrument cluster.
k for front passenger seat illuminates
or flashes red in the centre console,
when seat is occupied.
Illuminates
After the ignition has been switched on until the seat belt has been
fastened.Flashes
After having started the engine for a
maximum of 100 seconds until the
seat belt has been fastened.
Seat belt status on rear seats,
base level instrument cluster
X flashes or illuminates in the Driver
Information Centre.
Illuminates
After having started the engine when
the seat belt has been fastened.
Flashes
After starting off when the seat belt is
unfastened.
Fastening the seat belt 3 55.
Seat belt status on rear seats, midlevel and uplevel instrument
cluster
X illuminates red or green or grey in
the instrument cluster, after having
started the engine.
Illuminates red
Seat occupied and the seat belt is
unfastened.
Page 121 of 327

Instruments and controls119Vehicle messages
Messages are indicated in the Driver
Information Centre, in some cases
together with a warning and signal
buzzer.
On Baselevel display press
SET/CLR , MENU or turn the adjuster
wheel to confirm a message.
On Midlevel and Uplevel display
press 9 to confirm a message.
Vehicle and service messages The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
The system displays messages
regarding the following topics:
● service messages
● fluid levels
● anti-theft alarm system
● brakes
● drive systems
● ride control systems
● driver assistance systems
● cruise control
● speed limiter
● adaptive cruise control
● forward collision alert
● collision imminent braking system
● parking assist systems
● lighting, bulb replacement
● adaptive forward lighting
● wiper/washer system
● doors, windows
● side blind spot alert
● traffic sign assistant
● lane departure warning
● load compartment, boot lid
● radio remote control
● electronic key system
● keyless starting
● seat belts
● airbag systems
● engine and transmission
● tyre pressure
● diesel particle filter
Page 226 of 327

224Vehicle careVehicle careGeneral Information...................225
Accessories and vehicle modifications .......................... 225
Vehicle storage ........................225
End-of-life vehicle recovery .....225
Vehicle checks ........................... 226
Performing work ......................226
Bonnet ..................................... 226
Engine oil ................................. 227
Automatic transmission fluid ....228
Engine coolant ......................... 229
Power steering fluid .................230
Washer fluid ............................ 230
Brakes ..................................... 231
Brake fluid ............................... 231
Vehicle battery ......................... 231
Diesel fuel system bleeding .....233
Wiper blade replacement ........233
Bulb replacement .......................234
Halogen headlights ..................235
Xenon headlights .....................237
Fog lights ................................. 239
Tail lights ................................. 240
Side turn signal lights ..............242
Number plate light ...................243Interior lights ............................ 244
Instrument panel illumination ...244
Electrical system ........................244
Fuses ....................................... 244
Engine compartment fuse box . 246
Instrument panel fuse box .......248
Load compartment fuse box ....249
Vehicle tools .............................. 251
Tools ........................................ 251
Wheels and tyres .......................252
Winter tyres ............................. 252
Tyre designations ....................252
Tyre pressure .......................... 252
Tyre pressure monitoring system .................................... 254
Tread depth ............................. 255
Changing tyre and wheel size . 256
Wheel covers ........................... 256
Tyre chains .............................. 257
Tyre repair kit .......................... 257
Wheel changing .......................260
Spare wheel ............................ 262
Jump starting ............................. 265
Towing ....................................... 266
Towing the vehicle ...................266
Towing another vehicle ...........268Appearance care .......................270
Exterior care ............................ 270
Interior care ............................. 272
Page 237 of 327
Vehicle care235Halogen headlights
Bi-Halogen Headlight (1) with one
bulb for low and high beam.
Sidelight/Daytime running light (2) .
Front turn signal light (3)
Bi-Halogen Headlight (1)
On left vehicle side, pull filling pipe out
of the windscreen washer fluid
container.
1. Rotate the cap anticlockwise and remove it.
2. Rotate the bulb holderanticlockwise to disengage.
Withdraw the bulb holder from the
reflector.
Page 239 of 327
Vehicle care237Sidelight/Daytime running light
with LEDs
On another version, sidelight and
daytime running lights are designed
as LEDs. In case of failure, have
LEDs replaced by a workshop.
Front turn light (3)
1. Rotate bulb socket anticlockwise to disengage. Withdraw the bulb
socket from the housing.
2. Push bulb into socket slightly, rotate anti-clockwise and remove.
3. Replace and insert new bulb into socket by rotating clockwise.
4. Insert bulb socket in reflector, rotate clockwise to engage.
Xenon headlights9 Danger
Adaptive forward lighting system
uses Xenon headlights.
Xenon headlights work under
extremely high electrical voltage.
Do not touch. Have bulbs replaced by a workshop.
Bulbs for front turn signal and
corner lighting can be changed.
Sidelight/Daytime running lights are
designed as Light Emitting Diodes
(LEDs) and cannot be replaced.
Page 240 of 327
238Vehicle careCorner lighting
1. Rotate the cap anticlockwise andremove it.
2. Rotate the bulb holderanticlockwise to disengage.
Withdraw the bulb holder from the
reflector.
3. Disengage the bulb from the plug connector by unlatching and
pulling.
4. Replace the bulb and connect bulb holder with the plug
connector.
5. Insert the bulb holder, engaging the two lugs into the reflector and
rotate clockwise to secure.
6. Fit the cap and rotate clockwise.
Front turn signal
1. Rotate the cap anticlockwise and remove it.
Page 242 of 327
240Vehicle careTail lights5-door Hatchback/4-door Saloon
1. Remove cover from the inside of the load compartment.
2. Unscrew three plastic securingnuts from the inside by hand.
3. Carefully withdraw the lightassembly from the recesses and
remove.
4. Turn bulb holder anticlockwise and remove. Replace bulb by
withdrawing or turning:
Turn signal light 1
Rear fog light 2, only on driver side
Reverse light 3
Tail light and brake light are
designed as LEDs. In case of
failure, have LEDs replaced by a
workshop.
5. Insert bulb holder into the tail light
assembly and turn clockwise. Fit
light assembly with the retaining
pins into the recesses of the
vehicle body and tighten the
plastic securing nuts from the
inside of the load compartment.
Close cover.
Page 243 of 327
Vehicle care241Sports Tourer/Country Tourer
1.Release and open the cover in the
tailgate.
2. Unscrew three plastic securing nuts by hand.
3. Carefully withdraw the lightassembly from the recesses and
remove.
4. Turn bulb holder anticlockwise and remove. Replace bulb by
withdrawing:
Reverse light 1
Turn signal light 2
Tail light, brake light and rear fog
light are designed as LEDs. In
case of failure, have LEDs
replaced by a workshop.
5. Insert bulb holder into the tail light
assembly and turn clockwise. Fit
light assembly with the retaining
pins into the recesses of the
tailgate and tighten the plastic
securing nuts from the inside of
the tailgate. Close cover.
Additional tail lights in the tailgate
frame
1. Open tailgate.