Page 99 of 251

Instruments and controls97Interference due to external sources
of ultrasound. Once the source of interference is removed, the system
will operate normally.
Have the cause of the fault in the
system remedied by a workshop.
Ultrasonic parking assist 3 155.
Electronic Stability Control off
n illuminates yellow.
The system is deactivated.
Electronic Stability Control and Traction Control system
b illuminates or flashes yellow.
Illuminates
A fault in the system is present.
Continued driving is possible. Driving stability, however, may deteriorate
depending on road surface
conditions.
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 3 152,
Traction Control system 3 152.
Traction Control system off
k illuminates yellow.
The system is deactivated.
Preheating
! illuminates yellow.
Preheating of diesel engine 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 3 144.
Stop-start system 3 141.
Tyre pressure monitoring
system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Page 100 of 251

98Instruments and controlsFlashes
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
3 197.
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.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
assistance of a workshop 3 173.
Low fuel
i illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Additionally a warning message is
displayed on vehicles with Uplevel-
Display.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Additionally a warning message is
displayed on vehicles with Midlevel-
and Uplevel-Display.
Refuelling 3 161.
Catalytic converter 3 145.
Bleeding the diesel fuel system
3 178.
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 light8 illuminates green.
The exterior lights are on 3 119.
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102Instruments and controls
●Remaining Oil Life : Indicates
when to change the engine oil and filter 3 90.
● Speed Warning : If exceeding the
preset speed, a warning chime will be activated.
● Language : Displayed language
can be changed if the vehicle is
not equipped with a radio.
Selection and indication can be
different between Midlevel-, Uplevel-,
and Uplevel-Combi-Display.
Trip/Fuel Information Menu
Press MENU to select the Trip/Fuel
Information Menu , or select W on
Uplevel-Combi-Display.
Turn the adjuster wheel to select a
submenu. Press SET/CLR to confirm.● trip odometer 1
● trip odometer 2
● digital speed
Trip odometer 2 and digital speed are
only available on vehicles with
Uplevel-Display or Uplevel-Combi-
Display.
Reset trip odometer by pressing
SET/CLR on the turn signal lever for
a few seconds or by pressing the
reset knob between speedometer
and Driver Information Centre with
the ignition on.
On vehicles with trip computer more
submenus are available.
Selection and indication can be
different between Midlevel-, Uplevel-,
and Uplevel-Combi-Display.
Trip/Fuel Information Menu, Trip
Computer 3 108.
Page 107 of 251
Instruments and controls105Vehicle messages
Messages are indicated mainly in the
Driver Information Centre, in some
cases together with a warning and
signal buzzer.
Press SET/CLR , MENU or turn the
adjuster wheel to confirm a message.
Vehicle messages on the
Midlevel-Display
The vehicle messages are displayed
as code numbers.
No.Vehicle message2No radio remote control
detected, depress clutch pedal
for a restart3Engine coolant level low4Air conditioning off5Steering wheel is lockedNo.Vehicle message6Depress brake pedal to release
electrical parking brake7Turn steering wheel, switch
ignition off and then on9Turn steering wheel, start
engine again12Vehicle overloaded13Compressor overheated15Centre high-mounted brake
light failure16Brake light failure17Headlight levelling malfunction18Left low beam failure19Rear fog light failure20Right low beam failure21Left sidelight failure22Right sidelight failure23Reversing light failure24Number plate light failure
Page 108 of 251

106Instruments and controlsNo.Vehicle message25Left front turn signal failure26Left 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
system53Tighten gas cap54Water in diesel fuel filter55Diesel particle filter is full
3 144No.Vehicle message56Tyre 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 steering69Service suspension system70Service level control systemNo.Vehicle message71Service rear axle74Service AFL75Service air conditioning76Service side blind zone alert
system79Top up engine oil81Service transmission82Change engine oil soon83Service adaptive cruise control84Engine power is reduced89Service vehicle soon94Shift to park before exiting95Service airbag128Bonnet open134Park assist fault, clean bumper136Service parking assist
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Instruments and controls107No.Vehicle message174Low vehicle battery258Park assist off
Vehicle messages on the
Uplevel-Display or
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 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
unfastened 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 warning code 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.
Page 110 of 251

108Instruments and controls● If a fault in the automatic lockingsystem 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
● 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.
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 or warning
code 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.Trip computer
The menus and functions can be selected via the buttons on the turnsignal lever 3 100.
Press MENU to select the Trip/Fuel
Information Menu , or select W on
the Uplevel-Combi-Display.
Page 113 of 251

Instruments and controls111When the tank has to be refuelled
immediately, a warning message is
displayed.
Additionally the control indicator i in
the fuel gauge illuminates or flashes
3 98.
Fuel range LPG version
Display of approximate fuel range
available with the remaining fuel in
each respective fuel tank of gasoline
and LPG fuel, along with a total range of both fuel types together. Switch
between the mode by pressing
SET/CLR .
Average consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
To reset, press SET/CLR for a few
seconds separately for selected page
1 or 2.
On vehicles with LPG engines:
Average consumption is indicated for
the currently selected mode; LPG or
Gasoline.Instantaneous consumption
Displays the instantaneous
consumption.
On vehicles with LPG engines:
Instantaneous consumption is
indicated for the currently selected mode; LPG or Gasoline.
Average speed Display of average speed. The
measurement can be reset at any
time.
To reset, press SET/CLR for a few
seconds separately for selected page
1 or 2.
Digital speed
Digital display of the instantaneous
speed.Vehicle personalisation
The 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 21.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below might
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings in the
Graphic-Info-Display
CD 300/CD 400/CD 400plus