Page 99 of 237

Instruments and controls97
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 3 137.
Stop-start system 3 135.
Deflation detection system w illuminates or flashes yellow.
Illuminates
Deflation detected. Stop immediately and check tyre pressure.
Flashes Fault in system. Consult a workshop.
Deflation detection system 3 190.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 3 166.
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.
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98Instruments and controls
Additionally a warning message is
displayed on vehicles with Midlevel-
and Uplevel-Display.
Catalytic converter 3 138.
Bleeding the diesel fuel system
3 171.
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 3 113.
High beam C illuminates blue.Illuminated when high beam is on and
during headlight flash 3 114.
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 3 115.
Automatic light control 3 114.
Fog light > illuminates green.
The front fog lights are on 3 117.
Rear fog light
r illuminates yellow.The rear fog light is on 3 118.
Cruise control
m illuminates white or green.
Illuminates white
The system is on.
Illuminates green A certain speed is stored.
Cruise control 3 147.
Door open
h illuminates red.
A door or the tailgate is open.
Automatic locking
^ illuminates amber.
Fault in the automatic locking system. The rear doors are possibly not
secured against opening.
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104Instruments and controls
Vehicle messages on theMidlevel-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 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
system53Tighten gas cap54Water in diesel fuel filter
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Instruments and controls105
No.Vehicle message55Diesel particle filter is full
3 13756Tyre 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
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 bumperNo.Vehicle message136Service parking assist174Low vehicle battery258Park assist off
Vehicle messages on the
Uplevel-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
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106Instruments and controls
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 filterVehicle 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 not
fastened 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 warningcode 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.
■ If a fault in the automatic locking system 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 ■ 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.
Page 109 of 237
Instruments and controls107
1. Switch off immediately anyelectrical 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 two times running
without 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 turn
signal lever.
Press the MENU button to select the
Trip/Fuel Information Menu .
Turn the adjuster wheel to select one
of the submenus:
■ Trip odometer 1
■ Trip odometer 2
■ Range
■ Average consumption
■ Instantaneous consumption
■ Average speed
■ Digital speed
Trip odometer 2 and digital speed are
only available on vehicles with
Uplevel-Display.
Page 111 of 237

Instruments and controls109Vehicle 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/CD400plus
Press the CONFIG button. The menu
Settings is displayed.
The following settings can be
selected by turning and pressing the
multifunction knob:
■ Languages
■ Time Date
■ Radio settings
■ Phone settings
■ Vehicle settings
In the corresponding submenus the
following settings can be changed:
Languages
Selection of the desired language.
Time Date
See Clock 3 85.
Radio settings
See description for Infotainment
system in the Infotainment system
manual.
Phone settings
See description for Infotainment
system in the Infotainment system
manual.
Page 116 of 237
114Lighting
In the Driver Information Centre with
Uplevel-Display, the current status of
the automatic light control is
displayed.
When switching on the ignition,
automatic light control is active.
When low beam is on, 8 lights up.
Control indicator 8 3 98.
Tail lights
Tail lights are illuminated together with low beam and sidelights.
Automatic light controlWhen the automatic light control
function is switched on and the
engine is running, the system
switches between daytime running
light and low beam depending on the
lighting conditions.
Daytime running light 3 116.
Automatic low beam activation
During poor lighting conditions the
low beam is switched on.
Tunnel detectionWhen a tunnel is entered the low
beam is switched on.
Adaptive forward lighting 3 116.High beam
To switch from low to high beam,
push lever.
To switch to low beam, push lever
again or pull.
Headlight flash To activate the headlight flash, pull
lever.