118Instruments 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 3 224.
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 3 169.
Bleeding the diesel fuel system
3 229.
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 3 140.
High beam
C illuminates blue.
Illuminates when high beam is on or during headlight flash 3 141 , or when
high beam is on with high beam assist
or intelligent light range 3 143.
High beam assist
l illuminates green.The high beam assist or intelligent
light range is activated 3 141,
3 143.
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 3 143.
Automatic light control 3 141.
Fog light > illuminates green.
The front fog lights are on 3 147.
122Instruments and controls
■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 preceding moving
vehicle 3 194
Selection and indication can be
different between Midlevel-, Uplevel-,
and Uplevel-Combi-Display.
Trip/Fuel Information Menu
Press the MENU button to select the
Trip/Fuel Information Menu , or select
W on Uplevel-Combi-Display.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
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 the
SET/CLR button 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 3 130.
ECO Information Menu
Press the MENU button to select
s in the top line of the Uplevel-
Combi-Display.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
126Instruments and controls
Press (the outer ring)■ To select or activate the marked option
■ To confirm a set value
■ To switch a system function on/off
BACK button
Press button to: ■ exit a menu without changing settings
■ return from a submenu to a higher menu level
■ delete the last character in a character sequence
Press and hold the button for a few
seconds to delete the entire entry.
Vehicle personalisation 3 132.
Memorised settings 3 23.
Smartphone controller
The smartphone controller allows a
smartphone to access vehicle data
via WLAN or Bluetooth connection.
This data can then be displayed and analysed on the smartphone.Vehicle messages
Messages are indicated mainly in the
Driver Information Centre (DIC), in
some cases together with a warning and signal buzzer.
Press the SET/CLR button, the
MENU button 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 locked
Instruments and controls127
No.Vehicle message6Depress brake pedal to release
electric 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 failureNo.Vehicle message24Number plate light failure25Left 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
system49Lane departure warning
unavailable53Tighten gas capNo.Vehicle message54Water in diesel fuel filter55Diesel particle filter is full
3 16856Tyre 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 lock
128Instruments and controls
No.Vehicle message68Service power steering69Service 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 airbagNo.Vehicle message128Bonnet open134Park assist fault, clean bumper136Service parking assist145Check washer fluid level174Low 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 battery status
Instruments and controls129
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
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.■ If a warning message or a warningcode appears in the Driver
Information Centre.
■ If the parking assist detects an object.
■ If unintended lane change occurs.
■ If the reverse gear is engaged and the rear end carrier extended.
■ 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.1. Switch off immediately any electric 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.
132Instruments and controls
Range
Range is calculated from current fuel
tank content 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 has to 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
3 118.
Average consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
To reset, press the SET/CLR button
for a few seconds.Instantaneous consumption
Display of the instantaneous
consumption.
Average speed
Display of average speed. The
measurement can be reset at any
time.
To reset, press the SET/CLR button
for a few seconds.
Digital speed
Digital display of the instantaneous
speed.
Traffic sign assistant
Indicates detected traffic signs for the current route section 3 206.
Route guidance
Additionally to the navigation
information in the Color-Info-Display,
route guidance is displayed in the
Driver Information Centre.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 23.
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 300/CD 400/CD400plus
134Instruments and controls
Vehicle settings
■Climate and air quality
Auto fan speed : Modifies the level
of the cabin airflow of the climate
control in automatic mode.
Climate control mode : Controls the
state of the cooling compressor
when the vehicle is started. Last
setting (recommended) or at
vehicle start either always ON or
always OFF.
Auto rear demist : Activates
automatically rear heated window.
■ Comfort settings
Chime volume : Changes the
volume of warning chimes.
Personalization by driver : Activates
or deactivates the personalisation
function.
Rear auto wipe in reverse :
Activates or deactivates
automatically switching on of the
rear window wiper when reverse
gear is engaged.
■ Park assist / Collision detection
Park assist : Activates or
deactivates the ultrasonic parking
assist.
Auto collision preparation :
Activates or deactivates the
automatic brake functionality of the
vehicle in the event of imminent
collision danger. The following is
selectable: the system will take
over brake control, warn by chimes only or is deactivated.
Side blind zone alert : Changes the
settings for the side blind spot alert
system.
■ Exterior ambient lighting
Duration upon exit of vehicle :
Activates or deactivates and
change the duration of exit lighting.
Exterior lighting by unlocking :
Activates or deactivates the
welcome lighting.
■ Power door locks
Auto door lock : Activates or
deactivates the automatic door
unlocking function after switching
off ignition. Activates or deactivates
the automatic door locking function after driving off.
Stop door lock if door open :
Activates or deactivates the