Page 29 of 307

Keys, doors and windows27Notice
Changes to the vehicle interior such
as the use of seat covers, and open
windows or sunroof, could impair the
function of passenger compartment
monitoring.
Activation without monitoring of
passenger compartment and
vehicle inclination
Switch off the monitoring of
passenger compartment and vehicle
inclination when animals are being
left in the vehicle, because of high
volume ultrasonic signals or
movements triggering the alarm. Also switch off when the vehicle is on a
ferry or train.
1. Close tailgate, bonnet and windows.
2. Press o. LED in the button
illuminates for a maximum of ten
minutes.
3. Close doors.
4. Activate the anti-theft alarm system.
Status message is displayed in the
Driver Information Centre.
Status LEDStatus LED is integrated into the
sensor on top of the instrument panel.
Status during the first 30 seconds of
anti-theft alarm system activation:LED illuminates:test, arming delayLED flashes
quickly:doors, tailgate or
bonnet not
completely closed,
or system fault
Status after system is armed:
LED flashes
slowly:system is armed
Seek the assistance of a workshop in the event of faults.
Deactivation Unlocking the vehicle deactivates the
anti-theft alarm system.
Alarm When triggered, the alarm hornsounds and the hazard warning lights
flash simultaneously. The number
and duration of alarm signals are
stipulated by legislation.
Page 140 of 307

138LightingLightingExterior lighting.......................... 138
Light switch .............................. 138
Automatic light control .............139
High beam ............................... 140
High beam assist .....................140
Headlight flash ......................... 140
Headlight range adjustment ....141
Headlights when driving abroad .................................... 141
Daytime running lights .............142
Adaptive forward lighting .........142
Hazard warning flashers ..........145
Turn and lane-change signals . 145
Front fog lights ......................... 146
Rear fog light ........................... 146
Parking lights ........................... 146
Reversing lights .......................147
Misted light covers ...................147
Interior lighting ........................... 147
Instrument panel illumination control ..................................... 147
Interior lights ............................ 147
Reading lights .......................... 148
Sunvisor lights ......................... 148Lighting features ........................148
Centre console lighting ............148
Entry lighting ............................ 148
Exit lighting .............................. 149
Battery discharge protection ....149Exterior lighting
Light switch
Turn light switch:
7:lights off8:sidelights9:headlights
Control indicator 8 3 115.
Page 149 of 307

Lighting147Reversing lights
The reversing light comes on when
the ignition is on and reverse gear is
selected.
Misted light covers The inside of the light housing may
mist up briefly in poor, wet and cold weather conditions, in heavy rain or
after washing. The mist disappears
quickly by itself; to help switch on the
headlights.Interior lighting
Instrument panel
illumination control
Brightness of the following lights can
be adjusted when the exterior lights
are on:
● instrument panel illumination
● Info-Display
● illuminated switches and operation elements
Turn thumb wheel A and hold until
the desired brightness is obtained.
On vehicles with light sensor, the
brightness can only be adjusted when
the exterior lights are on and the light sensor detects night conditions.
Interior lights
During entry and exit of the vehicle,
the front and rear courtesy lights
automatically switch on and then off
after a delay.
Notice
In the event of an accident with
airbag deployment the courtesy
lights are turned on automatically.
Front courtesy light
Page 150 of 307

148LightingOperate rocker switch:w:automatic switching on
and offpress u:onpress v:off
Rear courtesy lights
Illuminate in conjunction with the front
courtesy light depending on rocker
switch position.
Reading lights
Operated by pressing s and t in
front and rear courtesy lights.
Sunvisor lights Illuminates when the cover is opened.
Lighting features
Centre console lighting Spotlight incorporated in the interior
lighting comes on when headlights
are switched on.
Entry lighting
Welcome lighting Headlights, tail lights, number plate
lights, instrument panel light, interior
lights and the light pipes in doors and
FlexConsole are switched on for a
short time by unlocking the vehicle
with the radio remote control. This
function works only in the dark and
facilitates locating the vehicle.
The lighting switches off immediately
when the ignition key is turned to
position 1 3 160.
Activation or deactivation of this
function can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 129.
The settings can be saved for the key being used 3 23.
Page 151 of 307

Lighting149The following lights will additionally
switch on when the driver's door is opened:
● illumination of some switches
● Driver Information Centre
● door pocket lights
Exit lighting The following lights switch on if the
key is removed from the ignition
switch:
● interior lights
● instrument panel light (only when
it is dark)
● light tubes in doors
● number plate lights (puddle lights)
They will switch off automatically after
a delay and will be activated again if
the driver's door is opened.
Path lighting Headlights, tail lights and number
plate lights illuminate the surrounding
area for an adjustable time after
leaving the vehicle.Activating
1. Switch off ignition.
2. Remove ignition key.
3. Open driver's door.
4. Pull turn signal lever.
5. Close driver's door.
If the driver's door is not closed, the
lights switch off after two minutes.
Exit lighting is switched off
immediately if the turn signal lever is pulled while the driver's door is open.
Activation, deactivation and duration
of this function can be changed in the Settings menu in the Info-Display.
Vehicle personalisation 3 129.
The settings can be saved for the key
being used 3 23.
Battery discharge protection
To prevent discharge of the vehicle
battery when the ignition is switched
off, some interior lights are switched
off automatically after some time.
Page 225 of 307

Vehicle care223Vehicle careGeneral Information...................224
Accessories and vehicle modifications .......................... 224
Vehicle storage ........................224
End-of-life vehicle recovery .....224
Vehicle checks ........................... 225
Performing work ......................225
Bonnet ..................................... 225
Engine oil ................................. 226
Engine coolant ......................... 227
Power steering fluid .................228
Washer fluid ............................ 229
Brakes ..................................... 229
Brake fluid ............................... 229
Vehicle battery ......................... 229
Diesel fuel system bleeding .....231
Wiper blade replacement ........231
Bulb replacement .......................232
Halogen headlights ..................232
Adaptive forward lighting .........234
Fog lights ................................. 235
Tail lights ................................. 236
Side turn signal lights ..............238
Number plate light ...................239Interior lights ............................ 239
Instrument panel illumination ...240
Electrical system ........................240
Fuses ....................................... 240
Engine compartment fuse box . 241
Instrument panel fuse box .......243
Load compartment fuse box ....244
Vehicle tools .............................. 246
Tools ........................................ 246
Wheels and tyres .......................247
Winter tyres ............................. 247
Tyre designations ....................247
Tyre pressure .......................... 247
Tyre pressure monitoring system .................................... 248
Tread depth ............................. 251
Changing tyre and wheel size . 252
Wheel covers ........................... 252
Tyre chains .............................. 253
Tyre repair kit .......................... 253
Wheel changing .......................256
Spare wheel ............................ 258
Jump starting ............................. 262
Towing ....................................... 263
Towing the vehicle ...................263
Towing another vehicle ...........264Appearance care .......................265
Exterior care ............................ 265
Interior care ............................. 267
Page 241 of 307
Vehicle care239
2. Turn bulb holder anticlockwiseand remove from housing.
3. Pull bulb from bulb holder andreplace it.
4. Insert bulb holder and turnclockwise.
5. Insert left end of the lamp, slide to
the left and insert right end.
Number plate light
1. Insert screwdriver in recess of the
cover, press to the side and
release spring. Remove cover.
2. Remove the bulb from the socket by pulling.
3. Replace the bulb and insert it into
the socket.
4. Push the cover into the housing.
Interior lights Courtesy lights, reading lights
Have bulbs replaced by a workshop.
Load compartment light
Have bulbs replaced by a workshop.
Page 246 of 307
244Vehicle care
In right-hand drive vehicles, the fuse
box is located behind a cover in the
glovebox. Open the glovebox, then
open the cover and fold it down.
No.Circuit1Cruise control/Speed limiter/
Adaptive cruise control/Steering wheel controls2Exterior lights/Body control
module3Exterior lights/Body control
module4Infotainment system5Infotainment system/Instrument6Power outlet/Cigarette lighter7Power outlet8Left low beam/Body control
module9Right low beam/Body control
module/Airbag module10Door locks/Body control module11Interior fan12–13–14Diagnostic connectorNo.Circuit15Airbag16Power outlet17Air conditioning system18Logistics19Body control module20Body control module21Instrument panel cluster/Anti-
theft alarm system22Ignition sensor23Body control module24Body control module25–26–
Load compartment fuse box
The fuse box is on the left side of the
load compartment behind a cover.