Page 94 of 255

92Instruments and controls
Centre when upshifting is
recommended for fuel saving
reasons.
EcoFlex drive assistant 3 95.
Power steering c illuminates yellow.
Illuminates with power steering
reduced Power steering is reduced due to
overheating of the system. Control
indicator extinguishes when the
system has cooled down.
Stop-start system 3 135.
Illuminates with power steering
disabled Failure in the power steering system.
Consult a workshop.
Lane departure warning ) illuminates green or flashes yellow.
Illuminates green
System is switched on and ready to
operate.Flashes yellow
System recognises an unintended
lane change.
Electronic Stability Control
off n illuminates yellow.
The system is deactivated.
Electronic Stability Control
and Traction Control
system b illuminates or flashes yellow.
Flashes The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Illuminates A fault in the system is present. A
warning message appears in the
Driver Information Centre (DIC).
Continued driving is possible. The
system is not operational. Drivingstability, however, may deteriorate
depending on road surface
conditions.
Have the cause of the fault remedied
by a workshop.
Electronic Stability Control (ESC)
3 150, Traction Control system (TC)
3 149.
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.
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Instruments and controls93
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 filteris reached. Start cleaning process
immediately to avoid damage to the
engine.
Diesel particle filter 3 138, Stop-start
system 3 135.
AdBlue
Y flashes yellow.
AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start.
AdBlue 3 140.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 without
pressure sensor mounted (e.g. spare
wheel). After 60-90 seconds the
control indicator illuminates
continuously. Consult a workshop.
Tyre pressure monitoring system
3 208.
Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.Illuminates when the engine is
runningCaution
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.
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. Switch off ignition.
Page 96 of 255

94Instruments and controls9Warning
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 3 186.
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 3 139.
Bleeding the diesel fuel system
3 191.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Exterior light8 illuminates green.
The exterior lights are on 3 109.
High beam C illuminates blue.
Illuminates when high beam is on or
during headlight flash 3 110 , or when
high beam is on with high beam assist
or intelligent light range 3 113.
High beam assist l illuminates green.
The high beam assist or intelligent
light range is activated 3 111,
3 113.
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 3 112.
Automatic light control 3 110.
Fog light
> illuminates green.
The front fog lights are on 3 117.
Rear fog light
r illuminates yellow.
The rear fog light is on 3 117.
Cruise control m illuminates white or green.
Page 98 of 255
96Instruments and controls
Press the MENU button to switch
between the menus or to return from
a submenu to the next higher menu
level.
Turn the adjuster wheel to highlight a
menu option or to set a numeric value.
Press the SET/CLR button to select a
function or to confirm a message.
Vehicle Information Menu X
Press the MENU button to select
X .
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
Follow the instructions given in the
submenus.
Depending on the version, the
possible submenus may include:
■ Unit : displayed units can be
changed
■ Tire Pressure : checks tyre pressure
of all wheels during driving 3 208
■ Tire Load : select tyre pressure
category according to the actually
inflated tyre pressure 3 208
■ Remaining Oil Life : indicates when
to change the engine oil and filter
3 86
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Instruments and controls99
Additionally, the control indicator i
in the fuel gauge illuminates or
flashes 3 94.
Instantaneous consumption Displays the instantaneous
consumption.
ECO Information Menu s
Press the MENU button to select
s .
Turn the adjuster wheel to select a
page:
■ Shift indication : Current gear is
indicated inside an arrow. The digit
above recommends upshifting for
fuel saving reasons.
Eco index display : The current fuel
consumption is indicated on a
segment display. For economical
driving adapt your driving style to
keep the filled segments within the
Eco area. The more segments are
filled, the higher the fuel
consumption. Simultaneously the current consumption value is
indicated.
■ Top Consumers : List of top comfort
consumers currently switched on is displayed in descending order. Fuel
saving potential is indicated. A
switched-off consumer disappears
from the list and the consumption
value will be updated.
During sporadic driving conditions,
the heated rear window is activated automatically to increase engine
load. In this event, the heated rear
window is indicated as one of the
top consumers, without activation
by the driver.
■ Economy Trend : Displays the
average consumption development
over a distance of 50 miles. Filled
segments display the consumption
Page 104 of 255

102Instruments and controlsVehicle messagesMessages are indicated in the Driver
Information Centre (DIC), in some
cases together with a warning and
signal sound.
Press the SET/CLR button, the
MENU button or turn the adjuster
wheel to confirm a message.
Messages in the Driver
Information Centre (DIC)
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
■ ride control systems
■ driver assistance systems
■ cruise control
■ speed limiter
■ forward collision alert
■ parking assist systems
■ lighting, bulb replacement
■ wiper/washer system
■ doors, windows
■ soft top
■ load compartment, boot lid
■ side blind spot alert
■ traffic sign assistant
■ lane departure warning
■ radio remote control
■ seat belts
■ airbag systems
■ engine and transmission
■ tyre pressure
■ diesel particle filter
■ vehicle battery status
■ selective catalytic reduction, diesel exhaust fluid (DEF), AdBlue
3 140
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Instruments and controls103
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
unfastened seat belts has priority
over any other warning chime.
■ If seat belt is not fastened.
■ If a door or the boot lid is not fully closed when starting off.
■ If the soft top is not completely opened or closed.
■ If the soft top lid is not completely closed.■ If the load compartment partition isfolded in when operating the soft
top.
■ If a certain speed is exceeded with parking brake applied.
■ If a certain speed is exceeded when
operating the soft top.
■ If a programmed speed or speed limit is exceeded.
■ If a warning message appears in the Driver Information Centre
(DIC).
■ If the parking assist detects an object.
■ If unintended lane change occurs.
■ If the diesel particle filter has reached the maximum filling level.
■ If AdBlue needs to be refilled.
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 will
appear in the Driver Information
Centre (DIC).
1. Switch off immediately any electrical consumers which are
not required for a safe ride, e.g.
seat heating, heated rear window
or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.
The warning message will disappear after the engine has been started
twice consecutively without a voltage
drop.
If the vehicle battery cannot be
recharged, have the cause of the fault remedied by a workshop.
Page 106 of 255

104Instruments and controlsVehicle personalisationThe vehicle's behaviour can be
personalised by changing the settings in the Info-Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 22.
Depending on vehicle equipment and
country-specific regulations, some of
the functions described below may
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings in the
Graphic-Info-Display
CD 400plus/CD 400/CD 300
Press the CONFIG button. The menu
Settings is displayed.
The following settings can be
selected by turning and pressing the
multifunction knob:
■ Sport mode settings
■ Languages
■ Time Date
■ Radio settings
■ Phone settings
■ Vehicle settings
In the corresponding submenus the
following settings can be changed:
Sport mode settings
The driver can select the functions
which will be activated in Sport mode
3 151.
■ Sport suspension : Damping
becomes harder.
■ Sport powertrain performance :
Accelerator pedal and gear change
characteristics become more
responsive.