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116Instruments and controls
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 3 174,
Traction Control system 3 173.
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.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 3 165, Stop-start
system 3 162.
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.
Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine isrunningCaution
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.
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Instruments and controls117
3. Move out of the flow of traffic asquickly 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 3 223.
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 3 166.
Bleeding the diesel fuel system
3 228.
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 3 136.
High beam
C illuminates blue.Illuminates when high beam is on or
during headlight flash 3 137 , or when
high beam is on with high beam assist
or intelligent light range 3 139.
High beam assist
l illuminates green.
The high beam assist or intelligent light range is activated 3 137,
3 139.
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 3 139.
Automatic light control 3 137.
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120Instruments and controls
Vehicle Information Menu
Press the MENU button to select the
Vehicle Information Menu or, on
Uplevel-Combi-Display, select X.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
Follow the instructions given in the submenus.
Possible submenus can include,
depending on the version:
■ Unit : displayed units can be
changed
■ Tire Pressure : checks tyre pressure
of all wheels during driving 3 258
■ Tire Load : select tyre pressure
category according to the current
actual tyre inflation pressure
3 258
■ Remaining Oil Life : indicates when
to change the engine oil and filter
3 109
■ 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 3 205
■ Following Dist. : displays the
distance to a moving vehicle ahead
3 191
Selection and indication can be
different between Midlevel-Display
and Uplevel-Combi-Display.
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122Instruments and controls
■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 engine will activate the heated
rear window automatically to
increase the 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 and shows the effect of topography or driving behaviour
on fuel consumption.
Performance Menu
Press the MENU button to select the
Performance Menu , or select C on
Uplevel-Combi-Display.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
Submenus are: ■ Acceleration : Display of current
acceleration in all directions.
■ Lap Timer : Display of lap times, top
speed, average speed and average
time. Follow the instructions given
in the submenu.
Page 127 of 343

Instruments and controls125Vehicle 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 restart4Air conditioning off5Steering wheel is locked6Depress brake pedal to release
electric parking brakeNo.Vehicle message7Turn 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 failure25Left front turn signal failure
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126Instruments and controls
No.Vehicle message26Left 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 cap54Water in diesel fuel filterNo.Vehicle message55Diesel particle filter is full
3 16556Tyre 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
system77Service lane departure warning79Top up engine oil81Service transmission82Change engine oil soon83Service adaptive cruise control84Engine power is reduced89Service vehicle soon94Shift to park before exiting95Service airbag128Bonnet open
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Instruments and controls127
No.Vehicle message134Park assist fault, clean bumper136Service parking assist145Check washer fluid level174Low vehicle battery258Park assist off
Vehicle messages on the
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 statusVehicle 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.
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128Instruments and controls
■ 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.Trip computer
The menus and functions can be
selected via the buttons on the turn
signal lever 3 118.
Press the MENU button to select the
Trip/Fuel Information Menu , or select
W on the Uplevel-Combi-Display.