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146LightingFor three flashes, e.g. when changing
lanes, press the lever until resistance is felt and then release.
When a trailer is connected, turn
signal flashes six times when
pressing the lever until resistance is
felt and then releasing.
Move the lever to the resistance point
and hold for longer indication.
Switch the turn signal off manually by moving the lever to its original
position.
Front fog lights
Operated by pressing >.
Light switch in position AUTO:
switching on front fog lights will switch headlights on automatically.
Rear fog light
Operated by pressing r
.
Light switch in position AUTO:
switching on rear fog light will switch
headlights on automatically.
Light switch in position 8: rear fog
light can only be switched on with
front fog lights.
The vehicle rear fog light is
deactivated when towing.
Parking lights
When the vehicle is parked, the
parking lights on one side can be
activated:
1. Switch off ignition.
2. Move turn signal lever all the way up (right parking lights) or down
(left parking lights).
Confirmed by a signal and the
corresponding turn signal control
indicator.
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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.
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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.
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204Driving and operatingThe function can be deactivated in the
Settings menu in the Info-Display.
Vehicle personalisation 3 129.
Warning symbols
Warning symbols are indicated as
triangles 9 on the picture which
shows obstacles detected by the rear sensors of the advanced parking
assist.
Display settings
Navi 650 /Navi 950 : Brightness can be
set with the up/down buttons of the
multifunction knob.
CD 600 : Brightness can be set by first
pressing and then turning the
multifunction knob.
Deactivation The camera is deactivated when a
certain forward speed is exceeded or
if reverse gear is not engaged for
approx. ten seconds.
Activation or deactivation of the rear
view camera can be changed in the Settings menu in the Info-Display.
Vehicle personalisation 3 129.
Fault
Fault messages are displayed with a
9 on the top line of the Info-Display.
The rear view camera may not
operate properly when:
● The surrounding area is dark.
● The sun or the beam of headlights is shining directly into
the camera lens.
● Ice, snow, mud, or anything else covers the camera lens. Clean
the lens, rinse it with water, and
wipe it with a soft cloth.● The tailgate is not closed correctly.
● The vehicle had a rear-end accident.
● There are extreme temperature changes.
Traffic sign assistant
Functionality
The traffic sign assistant system
detects designated traffic signs via a
front camera and displays them in the Driver Information Centre.
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 227 of 307
Vehicle care225website, where legally required. Only
entrust this work to an authorised
recycling centre.
Gas vehicles must be recycled by a service centre authorised for gas
vehicles.Vehicle checks
Performing work9 Warning
Only perform engine compartment
checks when the ignition is off.
The cooling fan may start
operating even if the ignition is off.
9 Danger
The ignition system and Xenon
headlights use extremely high
voltage. Do not touch.
Bonnet
Opening
Pull the release lever and return it to
its original position.
Page 234 of 307
232Vehicle careWiper blade on the rear window
Lift wiper arm. Disengage wiper bladeas shown in illustration and remove.
Attach the wiper blade slightly angled
to the wiper arm and push until it
engages.
Lower wiper arm carefully.
Bulb replacement
Switch off the ignition and switch off
the relevant switch or close the doors.
Only hold a new bulb at the base. Do not touch the bulb glass with bare
hands.
Use only the same bulb type for
replacement.
Replace headlight bulbs from within
the engine compartment.
Halogen headlights
Bi-Halogen headlight (1) with one
bulb for low and high beam.
Front turn signal (2) .
Sidelight/Daytime running light (3) .
Low/High beam (1) 1. Rotate the cap (1) anticlockwise and remove it.
2. Rotate the bulb holder anticlockwise to disengage.
Withdraw the bulb holder from the
reflector.