Page 212 of 341
210Driving and operatingAn exclamation mark in a frame
indicates that there is an add-on sign detected which cannot be recognised
by the system.
The system is active up to a speed of 124 mph depending on the lighting
conditions. At night the system is
active up to a speed of 99 mph.
As soon as vehicle speed becomes
slower than 34 mph the display will be
reset and the content of the traffic sign
page will be cleared. The next
recognized speed indication will be
displayed.
Display indication
Traffic signs are displayed on the Traffic sign detection page in the DIC.
Select Settings X by pressing
MENU and select Traffic sign
detection via the adjuster wheel on
the turn signal lever 3 118.
When another page on the Driver Information Centre menu was
selected and then Traffic sign
detection page is chosen again, the
last recognised traffic sign will be
displayed.
Alert function
Once activated, speed limit and no
passing signs are displayed as pop-
up alerts in the DIC.
Page 213 of 341

Driving and operating211The alert function can be activated or
deactivated in the Settings menu of
the traffic sign assistant page by pressing SET/CLR on the turn signal
lever.
When the Settings page is displayed, select Off to deactivate alert function.
Reactivate by selecting On.
When switching on the ignition, alert function is deactivated.
Pop-up indication is displayed for approx. 8 seconds in the Driver
Information Centre.
System reset
The content of the traffic sign memory
can be cleared in the Settings menu
of the traffic sign assistant page by
pressing and holding SET/CLR on the
turn signal lever. Upon successful
reset, a chime will sound and the
following symbol is indicated until the next traffic sign is detected.
In some cases, traffic sign assistant is
reset automatically by the system.
Fault
The traffic sign assistant system may
not operate correctly when:
● The area of the windscreen, where the front camera is
located, is not clean.
● Traffic signs are completely or partially covered or difficult to
discern.
● There are adverse environmental
conditions, e.g. heavy rain, snow,direct sunlight or shadows. In this
case No Traffic Sign Detection
due to Weather is indicated in the
Driver Information Centre.
● Traffic signs are incorrectly mounted or damaged.
● Traffic signs do not comply with the Vienna Convention on traffic
signs (Wiener Übereinkommen
über Straßenverkehrszeichen).Caution
The system is intended to help the driver within a defined speed
range to discern certain traffic
Page 214 of 341

212Driving and operatingsigns. Do not ignore traffic signs
which are not displayed by the
system.
The system does not discern any
other than the conventional traffic signs that might give or end a
speed limit.
Do not let this special feature
tempt you into taking risks when
driving.
Always adapt speed to the road
conditions.
The driver assistance systems do not relieve the driver from full
responsibility for vehicle
operation.
Lane departure warning
The lane departure warning system
observes the lane markings between
which the vehicle is driving via a front camera. The system detects lane
changes and warns the driver in the
event of an unintended lane change
via visual and acoustic signals.
Criteria for the detection of an
unintended lane change are:
● No operation of turn signals.
● No brake pedal operation.
● No active accelerator operation or speeding-up.
● No active steering.
If the driver is active, no warning will
be issued.
Activation
The lane departure warning system isactivated by pressing ). The
illuminated LED in the button
indicates that the system is switched
on. When control indicator ) in the
instrument cluster illuminates green, the system is ready to operate.
The system is only operable at
vehicle speeds above 35 mph and if lane markings are available.
When the system recognises an
unintended lane change, the control
indicator ) changes to yellow and
flashes. Simultaneously a chime
sound is activated.
Deactivation
The system is deactivated by
pressing ), the LED in the button
extinguishes.
Page 227 of 341

Vehicle care225Vehicle careGeneral Information...................226
Accessories and vehicle modifications .......................... 226
Vehicle storage ........................226
End-of-life vehicle recovery .....226
Vehicle checks ........................... 227
Performing work ......................227
Bonnet ..................................... 227
Engine oil ................................. 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 ..................234
Adaptive forward lighting .........237
Fog lights ................................. 238
Front turn signal lights .............240
Tail lights ................................. 242
Side turn signal lights ..............250
Number plate light ...................251Interior lights ............................ 252
Instrument panel illumination ...252
Electrical system ........................252
Fuses ....................................... 252
Engine compartment fuse box . 253
Instrument panel fuse box .......255
Load compartment fuse box ....256
Vehicle tools .............................. 259
Tools ........................................ 259
Wheels and tyres .......................261
Winter tyres ............................. 261
Tyre designations ....................261
Tyre pressure .......................... 261
Tyre pressure monitoring system .................................... 262
Tread depth ............................. 265
Changing tyre and wheel size . 266
Wheel covers ........................... 266
Tyre chains .............................. 266
Tyre repair kit .......................... 267
Wheel changing .......................270
Spare wheel ............................ 274
Jump starting ............................. 278
Towing ....................................... 280
Towing the vehicle ...................280
Towing another vehicle ...........281Appearance care .......................282
Exterior care ............................ 282
Interior care ............................. 284
Page 242 of 341
240Vehicle care
2.Unscrew both screws and remove
light assembly from the bumper.
3. Turn the bulb socket anticlockwise and remove it from
the reflector.
4. Disengage the bulb socket from the plug connector by pressing
the retaining lug.
5. Remove and replace the bulb socket with bulb and attach the
plug connector.
6. Insert the bulb socket into the reflector by turning clockwise and
engage.
7. Mount the light assembly by tightening both screws.
8. Assemble and engage the cover.Front turn signal lights
5-door hatchback, 4-door saloon,
Sports tourer
1. Release both caps with a screwdriver at the marked area.
Page 245 of 341
Vehicle care243
2. Unscrew the plastic securing nutfrom the inside by hand.
3. Carefully withdraw the tail lightassembly from recesses and
remove. Make sure that the cable duct remains in position.
4. Detach the cable from the retainer.
5. Detach the wiring plug from the bulb carrier.
6. Unscrew the three screws with a screwdriver and remove the bulb
carrier from the light assembly.
7. Remove and replace the bulb by withdrawing or pushing the bulb
slightly into the socket and
rotating anticlockwise:
Tail light ( 1)
Brake light ( 2)
Turn signal light ( 3)
8. Insert the bulb carrier into the tail light assembly and screw into
place. Connect the wiring plug
and press the cable into the
retainer. Fit light assembly with
the retaining pins into the
recesses of the vehicle body and
tighten the plastic securing nut
Page 247 of 341
Vehicle care245
2.Unscrew two plastic securing nuts
from the inside by hand.
3. Carefully withdraw tail light assembly from recesses and
remove. Make sure that the cable duct remains in position.
4. Detach wiring plug from bulb carrier.
5. Remove the bulb holder by turning and replace the bulb by
withdrawing or pushing the bulb
slightly into the socket and rotating anticlockwise:
Tail light/Brake light ( 1)
Turn signal light ( 2)
6. Insert bulb holder and turn clockwise. Connect the wiring
plug. 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.
Attach cover.
Light assembly in the tailgate
1. Open the tailgate and remove the
cover on the respective side.
Page 249 of 341
Vehicle care2474. Carefully withdraw tail lightassembly from recesses and
remove. Make sure that the cable duct remains in position.
5. Detach wiring plug from bulb carrier.
6. Remove the bulb holder by turning anticlockwise and replace
the bulb by withdrawing or
pushing the bulb slightly into the
socket and rotating anticlockwise:
Tail lights ( 1 + 2)
Turn signal light ( 3)
Brake light ( 4)
7. Connect the wiring plug and press
the cable into the retainer. 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. Attach
cover.
When assembling press the blind
on the left-hand side into the
rubber grommets to reach full
retention force.
Light assembly in the tailgate
1. Open the tailgate and remove the
blind covers on the respective
side.
2. Unscrew and remove the screws. 3. Remove the tail light assembly and detach wiring plug from the
bulb carrier.