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Instruments and controls93
Control indicators in the centre
console
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 3 172, Fuses
3 182.
Turn signals 3 117.
Seat belt reminder Seat belt reminder on frontseats X illuminates or flashes red.
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.
Fastening the seat belt 3 45.
Seat belt status on rear seats
> or X in the Driver Information
Centre flashes or illuminates.Illuminates
After having started the engine for a
minimum of 35 seconds until the seat
belt has been fastened.
If an unfastened seat belt is fastened
whilst driving.
Flashes
After starting off when the seat belt is
unfastened.
Fastening the seat belt 3 45.
Airbag and belt tensioners v illuminates red.
When the ignition is switched on, the control indicator illuminates for
approx. 4 seconds. If it does not
illuminate, does not go out after
4 seconds or illuminates whilst
driving, there is a fault in the airbag
system. Seek the assistance of a
workshop. The airbags and belt
pretensioners may fail to trigger in the
event of an accident.
Deployment of the belt pretensioners
or airbags is indicated by continuous
illumination of v.
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106Instruments and controls
The system displays messages
regarding the following topics:
■ Fluid levels
■ Anti-theft alarm system
■ Brakes
■ Drive systems
■ Ride control systems
■ Cruise control
■ Object detection systems
■ Lighting, bulb replacement
■ Wiper/washer system
■ Doors, windows
■ Radio remote control
■ Seat belts
■ Airbag systems
■ Engine and transmission
■ Tyre pressure
■ Diesel particle filterVehicle messages on the Colour-Info-Display Some important messages 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
Only one warning chime will sound at
a time.
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
When starting the engine or
whilst driving ■ 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.
■ If a programmed speed is exceeded.■ If a warning message or a warningcode appears in the Driver
Information Centre.
■ If the parking assist detects an object.
■ If reverse gear is engaged and the rear end carrier is extended.
■ If a fault in the automatic locking system is detected.
■ If the diesel particle filter has reached the maximum filling level.
When the vehicle is parked and/ or the driver's door is opened ■ When the key is in the ignition switch.
■ With exterior lights on.
During an Autostop ■ If the driver's door is opened.
Battery voltage When the vehicle battery voltage is
running low, a warning message or
warning code 174 will appear in the
Driver Information Centre.
Page 166 of 237

164Vehicle careVehicle careGeneral Information...................164
Vehicle checks ........................... 165
Bulb replacement .......................172
Electrical system ........................182
Vehicle tools .............................. 188
Wheels and tyres .......................189
Jump starting ............................. 200
Towing ....................................... 202
Appearance care .......................204General Information
Accessories and vehicle
modifications
We recommend the use of 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 the rubber seals.
■ Fill up fuel tank completely.
■ Change the engine oil.
■ Drain the washer fluid reservoir.
■ Check the coolant antifreeze and corrosion protection.
■ Adjust tyre pressure to the value specified for full load.
■ Park the vehicle in a dry, well ventilated place. Engage first orreverse gear or set selector lever to P . Prevent the vehicle from rolling.
■ Do not apply the parking brake.
Page 174 of 237
172Vehicle careBulb 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 headlightsHeadlights have separate systems for low beam 1 (outer bulbs) and high
beam 2 (inner bulbs).
Low beam
1. Rotate the cap 1 anticlockwise
and remove it.
2. Push the bulb holder upwards and
withdraw the bulb holder from the
reflector.
Page 175 of 237
Vehicle care173
3. Detach the bulb from the bulbholder and replace the bulb.
4. Insert the bulb holder into the reflector.
5. Fit the cap and rotate clockwise.
High beam
1. Rotate the cap 2 anticlockwise
and remove it.
2. Detach the plug from the bulb.
3. Disengage the spring clip and then swivel it backwards.
4. Remove and replace the bulb.
5. Swivel the spring clip forwards and engage.
6. Attach the plug to the bulb.
7. Fit the cap and rotate clockwise.
Sidelight/Daytime running light
1. Rotate the bulb holder anticlockwise and remove it.
Page 176 of 237
174Vehicle care
2. Detach bulb from the bulb holderand replace it.
3. Insert the bulb holder into the reflector 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.
Adaptive forward lighting
Headlights have separate systems for low beam and high beam 1 (outer
bulbs) and cornering light 2 (inner
bulbs).
Low beam/High beam
1. Rotate the cap 1 anticlockwise
and remove it.
Page 177 of 237
Vehicle care175
2. Rotate the bulb holder clockwiseto disengage. Withdraw the bulb
holder from the reflector.
3. Disengage the bulb holder from the plug connector by pressing
the retaining lug.
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 anticlockwise to secure.
6. Fit the cap and rotate clockwise.
Cornering light
1. Rotate protective cover 2
anticlockwise and remove.
2. Rotate the bulb holder anticlockwise to disengage.
Withdraw the bulb holder from the
reflector.
3. Disengage the bulb holder from the plug connector by pressing
the retaining lugs.
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 178 of 237
176Vehicle care
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 anticlockwise
and remove it from the reflector.
2. Disengage the bulb holder from the plug connector by pressing
the retaining lug.
3. Remove and replace the bulb holder with bulb.
4. Attach the plug connector.
5. Insert the bulb holder into the reflector.
6. Turn the bulb holder clockwise and engage.
Front turn signal lights
1. Rotate the bulb holder anticlockwise and remove it.