18In briefStarting offCheck before starting off ■ Tyre pressure and condition 3 260,
3 305.
■ Engine oil level and fluid levels 3 225.
■ All windows, mirrors, exterior lighting and number plates are free
from dirt, snow and ice and are
operational.
■ Proper position of mirrors, seats, and seat belts 3 30, 3 39,
3 47.
■ Brake function at low speed, particularly if the brakes are wet.Starting the engine
■ Turn key to position 1.
■ Move the steering wheel slightly to release the steering wheel lock.
■ Operate clutch and brake.
■ Automatic transmission in P or N.
■ Do not operate accelerator pedal.
■ Diesel engines: turn the key to position 2 for preheating and wait
until control indicator !
extinguishes.
■ Turn key to position 3 and release.
Starting the engine 3 160.
Stop-start system
If the vehicle is at a low speed or at a
standstill and certain conditions are
fulfilled, activate an Autostop as
follows:
■ Depress the clutch pedal.
■ Set the lever in neutral.
■ Release the clutch pedal.
An Autostop is indicated by the
needle at the AUTOSTOP position in
the tachometer.
To restart the engine, depress the clutch pedal again.
Stop-start system 3 162.
Keys, doors and windows29
Seek the assistance of a workshop in
the event of faults.
Deactivation
Unlocking the vehicle by pressing c
deactivates the anti-theft alarm system.
The system is not deactivated by
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
Alarm When triggered, the alarm horn
sounds and the hazard warning lights
flash simultaneously. The number
and duration of alarm signals are
stipulated by legislation.
The alarm can be silenced by
pressing any button on the radio
remote control or by switching on the
ignition.
The anti-theft alarm system can be
deactivated only by pressing c or by
switching on the ignition.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the hazard warninglights. They will flash quickly three
times the next time the vehicle is
unlocked with the radio remote
control. Additionally a warning
message or a warning code is
displayed in the DIC after switching
on the ignition.
Vehicle messages 3 125.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Immobiliser
The system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
The immobiliser is activated
automatically after the key has been removed from the ignition switch.If the control indicator d flashes when
the ignition is on, there is a fault in the
system; the engine cannot be started. Switch off the ignition and repeat the
start attempt.
If the control indicator continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Notice
The immobiliser does not lock the
doors. You should always lock the
vehicle after leaving it and switch on the anti-theft alarm system 3 22,
3 27.
Control indicator d 3 117.
Instruments and controls109
Displays the coolant temperature.left area=engine operating
temperature not
yet reachedcentral area=normal operating
temperatureright area=temperature too
highCaution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system lets you
know when to change the engine oil
and filter. Based on driving
conditions, the interval at which an
engine oil and filter change will be
indicated can vary considerably.
To display the remaining engine oil
life duration use turn signal lever
buttons:
Press the MENU button to select the
Vehicle Information Menu X .
Turn the adjuster wheel to select Remaining Oil Life .
The remaining engine oil life duration
is displayed in percent in the Driver
Information Centre.
Reset
Press the SET/CLR button on turn
signal lever for several seconds to
reset. The remaining engine oil life
duration page must be active. Switch
on ignition, but engine off.
The system must be reset every time
the engine oil is changed to ensure
proper functionality. Seek the
assistance of a workshop.
Next service
When the system has calculated that
engine oil life has diminished, a
warning message appears in the
Driver Information Centre. Have
engine oil and filter changed by a
workshop within one week or
300 miles (whichever occurs first).
Driver Information Centre 3 118.
Service information 3 284.
116Instruments and controls
Have the cause of the fault remedied
by a workshop.
Flashes
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Electronic Stability Control (ESC)
3 175, Traction Control system (TC)
3 174.
Traction Control system off k illuminates yellow.
The system is deactivated.
Preheating ! illuminates yellow.
Preheating is activated. Only
activates when outside temperature
is low.
Diesel particle filter
% illuminates or flashes yellow.The diesel particle filter requires
cleaning.
Continue driving until %
extinguishes. If possible, do not allow engine speed to drop below
2000 rpm.
Illuminates
The diesel particle filter is full. Start
cleaning process as soon as
possible.
Flashes The maximum filling level of the filter
is reached. Start cleaning process
immediately to avoid damage to the
engine.
Diesel particle filter 3 165, Stop-start
system 3 162.
Tyre pressure monitoring
system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.Flashes
Fault in system or tyre withoutpressure sensor mounted ( e.g. spare
wheel). After 60-90 seconds the
control indicator illuminates
continuously. Consult a workshop.
Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine isrunningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and/or
locking of the drive wheels.
1. Depress clutch.
2. Select neutral gear, set selector lever to N.
Instruments and controls117
3. Move out of the flow of traffic asquickly as possible without
impeding other vehicles.
4. Switch off ignition.9 Warning
When the engine is off,
considerably more force is needed
to brake and steer. During an
Autostop the brake servo unit will still be operational.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking the
assistance of a workshop 3 225.
Low fuel
i illuminates or flashes yellow.
Illuminates Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 166.
Bleeding the diesel fuel system
3 230.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Reduced engine power
# illuminates yellow.
The engine power is limited. Consult
a workshop.
Exterior light
8 illuminates green.
The exterior lights are on 3 136.
High beam
C illuminates blue.Illuminates when high beam is on or
during headlight flash 3 137 , or when
high beam is on with high beam assist
or intelligent light range 3 139.
High beam assist
l illuminates green.
The high beam assist or intelligent light range is activated 3 137,
3 139.
Adaptive forward lighting
f illuminates or flashes yellow.
Illuminates Fault in system.
Seek the assistance of a workshop.
Flashes
System switched to symmetrical low
beam.
Control indicator f flashes for approx.
4 seconds after the ignition is
switched on as a reminder that the
system has been activated 3 139.
Automatic light control 3 137.
120Instruments and controls
Press the SET/CLR button to select a
function or to confirm a message.
Vehicle Information Menu
Press MENU to select the Vehicle
Information Menu or, on Uplevel-
Combi-Display, select X.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
Follow the instructions given in the
submenus.
Possible submenus can include,
depending on the version:
■ Unit : Displayed units can be
changed.
■ Tire Pressure : Checks tyre
pressure of all wheels during driving 3 260.
■ Tire Load : Select tyre pressure
category according to the current
actual tyre inflation pressure
3 260.
■ Remaining Oil Life : Indicates when
to change the engine oil and filter
3 109.
■ Speed Warning : If exceeding the
preset speed, a warning chime will
be activated.
■ Traffic Sign Assistant : Displays
detected traffic signs for the current
route section. 3 206
■ Following Dist. : Displays the
distance to a moving vehicle ahead
3 192.
Selection and indication can be
different between Midlevel-Display
and Uplevel-Combi-Display.
126Instruments and controls
No.Vehicle message26Left rear turn signal failure27Right front turn signal failure28Right rear turn signal failure29Check trailer brake light30Check trailer reversing light31Check left trailer turn signal32Check right trailer turn signal33Check trailer rear fog light34Check trailer rear light35Replace battery in radio remote
control48Clean side blind zone alert
system49Lane departure warning
unavailable53Tighten gas cap54Water in diesel fuel filterNo.Vehicle message55Diesel particle filter is full
3 16556Tyre pressure imbalance on
front axle57Tyre pressure imbalance on
rear axle58Tyres without TPMS sensors
detected59Open and then close driver
window60Open and then close front
passenger window61Open and then close rear left
window62Open and then close rear right
window65Theft attempted66Service theft alarm system67Service steering wheel lock68Service power steeringNo.Vehicle message69Service suspension system70Service level control system71Service rear axle74Service AFL75Service air conditioning76Service side blind zone alert
system77Service lane departure warning79Top up engine oil81Service transmission82Change engine oil soon83Service adaptive cruise control84Engine power is reduced89Service vehicle soon94Shift to park before exiting95Service airbag128Bonnet open
Instruments and controls127
No.Vehicle message134Park assist fault, clean bumper136Service parking assist145Check washer fluid level174Low vehicle battery258Park assist off
Vehicle messages on the
Uplevel-Combi-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
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 filter
■ vehicle battery statusVehicle 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 When starting the engine or
whilst driving
Only one warning chime will sound at
a time.
The warning chime regarding
unfastened 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.
■ If a programmed speed is exceeded.