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86Instruments and controlsElectronic Stability Controland 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 3 138,
Traction Control system 3 137.
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 3 130, Stop-start
system 3 127.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 monitor system
3 186.
Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
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Instruments and controls87Illuminates 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 the
assistance of a workshop 3 166.
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.
Refuelling 3 154.
Catalytic converter 3 131.
Bleeding the diesel fuel system
3 171.
Immobiliser d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Have the cause of the fault remedied
by a repairer.
Exterior light
8 illuminates green.
The exterior lights are on 3 107.
High beam
C illuminates blue.
Illuminates when high beam is on or
during headlight flash 3 108 , or when
high beam is on with high beam
assist, adaptive forward lighting
3 110.
Adaptive forward lighting f illuminates or flashes yellow.
Illuminates
The adaptive forward lighting system
needs a service.
Seek the assistance of a workshop. Adaptive forward lighting 3 110.
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90Instruments and controls
Turn the adjuster wheel to highlight a
menu option or to set a numeric value.
Press SET/CLR 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 SET/CLR to confirm.
Follow the instructions given in the
submenus.
Possible submenus can be,
depending on version:
● Unit : displayed units can be
changed
● Tyre Pressure System : checks
tyre pressure of all wheels during
driving 3 186
● Tyre Load : select tyre pressure
category according to the
actually inflated tyre pressure
3 186
● Remaining Oil Life : indicates
when to change the engine oil
and filter 3 79● Traffic Sign Assistant : displays
detected traffic signs for the
current route section 3 148
● Speed Warning : if exceeding the
preset speed, a warning chime
will be activated
Selection and indication can be
different between Midlevel-Display,
Uplevel-Display 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.
On vehicles with trip computer more
submenus are available.
Page 93 of 231

Instruments and controls91Selection and indication can be
different between Midlevel-, Uplevel-,
and Uplevel-Combi-Display.
Trip/Fuel Information Menu, Trip
Computer 3 96.
ECO Information Menu Press MENU to select s in the top
line of the Uplevel-Combi-Display.
Turn the adjuster wheel to select a
submenu. Press SET/CLR to confirm.
Submenus are:
● Shift indication : Current gear is
indicated inside an arrow. The
illustration 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 in 5 mile steps
Page 96 of 231
94Instruments and controlsVehicle messagesMessages are indicated mainly in the
Driver Information Centre, in some
cases together with a warning chime.
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 message10Brakes overheated16Brake light failure25Left front turn signal failure26Left rear turn signal failure27Right front turn signal failure28Right rear turn signal failureNo.Vehicle message53Tighten fuel filler cap54Water in diesel fuel filterS68Service power steeringS73Service all-wheel drive systemS75Service air conditioningS79Top up engine oilS81Service transmissionS82Change engine oil soonS84Engine power is reducedS89Service vehicle soon128Bonnet open134Parking assist fault, clean
bumperS136Service parking assist174Low battery
Notice
"S" means "Service vehicle soon".
Seek the assistance of a workshop
immediately.
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Instruments and controls95Vehicle messages on the
Uplevel-Display and 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:
● service messages
● anti-theft alarm system
● brakes
● drive systems
● ride control systems
● driver assistance systems
● cruise control
● speed limiter
● parking assist systems
● lighting, bulb replacement
● adaptive forward lighting
● doors, windows
● traffic sign assistant
● lane departure warning
● load compartment, boot lid
● radio remote control
● seat belts
● airbag systems
● engine and transmission
● tyre pressure
● diesel particle filter
● vehicle battery status
Warning chimes
When starting the engine or whilst driving
● If the door or bonnet is open.
● If seat belt is not fastened.● If a certain speed is exceeded with parking brake applied.
● If a warning message or a warning code appears in the
Driver Information Centre.
● If the parking assist detects an object.
When the vehicle is parked and/or the driver's door is opened
● With exterior lights on.
Battery voltage
When the 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 battery by driving continuously for a while or by
using a charging device.
Page 98 of 231
96Instruments and controlsThe warning message or warning
code will disappear after the engine
has been started twice consecutively
without a voltage drop.
If the 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 88.
Press MENU to select the Trip/Fuel
Information Menu , or select W on
the Uplevel-Combi-Display.
Trip/Fuel Information Menu on
Uplevel-Display
Turn the adjuster wheel to select one of the submenus:
Page 100 of 231

98Instruments and controls● range
● instantaneous consumption
● route guidance
Trip computer 1 and 2 The information of two trip computers
can be reset separately for odometer, average consumption and average
speed by pressing SET/CLR, making
it possible to display different trip
information for different drivers.
Trip odometer
Trip odometer displays the recorded
distance since a certain reset.
Trip odometer counts up to a distance of 2000 miles and then restarts at 0.
To reset, press SET/CLR for a few
seconds.
Range Range is calculated from current fuel
tank level and current consumption.
The display shows average values.
After refuelling, the range is updated
automatically after a brief delay.
When the fuel level in the tank is low,
a message appears on vehicles with
Uplevel-Display or Uplevel-Combi-
Display.
When the tank must be refuelled
immediately, a warning code or
warning message is displayed on
vehicles with Midlevel- and Uplevel-
Display or Uplevel-Combi-Display.
Additionally, the control indicator i
in the fuel gauge illuminates or
flashes 3 87.
Range LPG version
On vehicles with LPG engines and
Uplevel-Display: Display of
approximate range available with theremaining fuel in each respective fuel
tank of petrol and LPG fuel, along with
a total range of both fuel types
together. Switch between the modes
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.
On vehicles with LPG engines and
Uplevel-Display: Average
consumption is indicated for the
currently selected mode (LPG or
petrol).
Instantaneous consumption
Display of the instantaneous
consumption.
On vehicles with LPG engines and
Uplevel-Display: Instantaneous
consumption is indicated for the
currently selected mode (LPG or
petrol).