Page 105 of 321

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 94.
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 3 225, Fuses
3 235.
Turn signals 3 131.
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 54.
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 122 of 321

120Instruments and controls
On Midlevel and Uplevel display
press 9 button 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
■ Vehicle battery status
Messages in the
Colour-Info-Display Some important messages may
appear additionally in the
Colour-Info-Display. Press the
multifunction knob to confirm a
message. Some messages only pop
up for a few seconds.
Warning chimes
When starting the engine or
whilst driving
Only one warning chime will sound at a time.
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
■ If seat belt is not fastened.
■ If a door or the tailgate is not fully closed when starting off.
■ If a certain speed is exceeded with parking brake applied.
Page 217 of 321

Vehicle care215Vehicle careGeneral Information...................215
Vehicle checks ........................... 216
Bulb replacement .......................225
Electrical system ........................235
Vehicle tools .............................. 241
Wheels and tyres .......................242
Jump starting ............................. 255
Towing ....................................... 257
Appearance care .......................260General Information
Accessories and vehicle
modifications
We recommend to use genuine parts and accessories and factory
approved parts specific for your
vehicle type. We cannot assess or
guarantee reliability of other products
- even if they have a regulatory or
otherwise granted approval.
Do not make any modifications to the
electrical system, e.g. changes of
electronic control units (chip tuning).Caution
When transporting the vehicle on
a train or on a recovery vehicle, the
mud flaps might be damaged.
Vehicle storage
Storage for a long period of time
If the vehicle is to be stored for several months:
■ Wash and wax the vehicle.
■ Have the wax in the engine compartment and underbody
checked.
■ Clean and preserve rubber seals.
■ Fill up fuel tank completely.
■ Change engine oil.
■ Drain washer fluid reservoir.
■ Check coolant antifreeze and corrosion protection.
■ Adjust tyre pressure to the value specified for full load.
■ Park vehicle in dry, well ventilated place. Engage first or reverse gear
or set selector lever to P. Prevent
the vehicle from rolling.
■ Do not apply parking brake.
Page 227 of 321
Vehicle care225Bulb 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.
Bulb check
After a bulb replacement switch on
the ignition, operate and check the
lights.Halogen 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.
Page 228 of 321
226Vehicle care
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 holder from the plug connector by bending
apart slightly the retaining lug.
4. Replace the bulb and connect with the plug.
5. Insert the bulb holder, engaging the two lugs into the reflector and
rotate clockwise to secure.
6. Fit the cap and rotate clockwise.
Sidelight/Daytime running light
(2)
1. Rotate cap anticlockwise and withdraw from the reflector.
Page 229 of 321
Vehicle care227
2. Press snap-in tongues togetherand move socket out of the
housing.
3. Remove the bulb from the socket by pulling.
4. Replace and insert new bulb into socket.
5. Insert the bulb socket into the housing and let engage.
6. Fit the cap and rotate clockwise.
Sidelight/Daytime running light with LEDs
On another version sidelight and
daytime running lights are designed
as LEDs. In case of defective have
LEDs replaced by a workshop.
Front turn light (3)1. Rotate bulb socket anti-clockwise 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.
Page 230 of 321
228Vehicle careXenon headlights9Danger
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 changed.
Corner lighting
1. Rotate the cap anticlockwise and remove 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.
Page 231 of 321
Vehicle care229
Front turn signal
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 holder from the plug connector by unlatching
and pulling.
4. Replace the bulb and connect bulb holder with the plug.
5. Insert the bulb holder, engaging the two lugs into the reflector androtate clockwise to secure.
Sidelight/Daytime running light
Sidelight and daytime running lights
are designed as LEDs. In case of
failure, have LEDs replaced by a
workshop.
Fog lights
The bulbs are accessible from the
underside of the vehicle.
1. Turn the bulb holder anti- clockwise and remove it from the
reflector.