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212Driving and operating
Illustration shows baselevel Driver
Information Centre.
Illustration shows midlevel or uplevel
Driver Information Centre.
When the setting page is displayed,
select Alerts ON on uplevel display or
set alerts J on midlevel display to
activate alert function.
Deactivate by selecting Alerts Off or
alerts I.
Setting remains active up to the next
change.
Pop-up alert is displayed for approx. eight seconds in the Driver
Information Centre.
System reset
The content of the traffic sign display
can be cleared in the setting menu of the traffic sign assistant page by
selecting Reset and confirm by
pressing SET/CLR on the turn signal
lever or 9 on right steering wheel
control.
Alternatively, SET/CLR or 9 can be
pressed for three seconds to clear the
content of the page.
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
cleared up automatically by the
system.
Clearing of traffic signs
There are different scenarios that
lead to clearing the currently
displayed traffic signs. After clearing,
the “Default Sign” is displayed in the
Driver Information Centre.
Reasons for signs being cleared: ● A predefined distance was driven
or time has elapsed (differs for
each sign type)
● Vehicle drives through a turn
● The speed becomes slower than 52 km/h (city entry detection)
Page 215 of 327

Driving and operating213Fault
The traffic sign assistant system may
not operate correctly if:
● The area of the windscreen, where the front camera is
located, is not clean or affected
by foreign items, e.g. stickers.
● 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.
● 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 recognise certain traffic
signs. Do not ignore traffic signs
which are not displayed by the
system.
The system does not recognise
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
by 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
Page 228 of 327

226Vehicle careVehicle careGeneral Information...................227
Accessories and vehicle modifications .......................... 227
Vehicle storage ........................227
End-of-life vehicle recovery .....228
Vehicle checks ........................... 228
Performing work ......................228
Bonnet ..................................... 228
Engine oil ................................. 229
Automatic transmission fluid ....230
Engine coolant ......................... 231
Power steering fluid .................232
Washer fluid ............................ 232
Brakes ..................................... 233
Brake fluid ............................... 233
Vehicle battery ......................... 233
Diesel fuel system bleeding .....235
Wiper blade replacement ........235
Bulb replacement .......................236
Halogen headlights ..................237
Xenon headlights .....................239
Fog lights ................................. 241
Tail lights ................................. 242
Side turn signal lights ..............244
Number plate light ...................245Interior lights ............................ 246
Instrument panel illumination ...246
Electrical system ........................246
Fuses ....................................... 246
Engine compartment fuse box . 248
Instrument panel fuse box .......250
Load compartment fuse box ....251
Vehicle tools .............................. 253
Tools ........................................ 253
Wheels and tyres .......................254
Winter tyres ............................. 254
Tyre designations ....................254
Tyre pressure .......................... 254
Tyre pressure monitoring system .................................... 256
Tread depth ............................. 257
Changing tyre and wheel size . 258
Wheel covers ........................... 258
Tyre chains .............................. 259
Tyre repair kit .......................... 259
Wheel changing .......................262
Spare wheel ............................ 264
Jump starting ............................. 267
Towing ....................................... 268
Towing the vehicle ...................268
Towing another vehicle ...........270Appearance care .......................272
Exterior care ............................ 272
Interior care ............................. 274
Page 239 of 327
Vehicle care237Halogen 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 241 of 327
Vehicle care239Sidelight/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 242 of 327
240Vehicle 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 244 of 327
242Vehicle 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 245 of 327
Vehicle care243Sports 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.