Page 105 of 279

Instruments and controls103Illuminates together with other control
indicators, accompanied by a warning chime and a corresponding message
in the Driver Information Centre.
Stop engine immediately and seek
the assistance of a workshop.
System check J illuminates yellow or red.
Illuminates yellow A minor engine fault has been
detected.
Illuminates red A major engine fault has been
detected.
Stop engine as soon as possible and
seek the assistance of a workshop.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too
low.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Parking brake
m illuminates red.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 160.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 160.
Flashes
Electric parking brake is not applied
automatically. The application or the
release is faulty.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
o illuminates yellow.
Illuminates Automatic operation is deactivated or
faulty. Activate automatic operation
again or have the cause remedied by
a workshop in the event of a fault.
Automatic operation 3 160.
Electric parking brake fault
E illuminates yellow.
Illuminates
Electric parking brake has a fault
3 160.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Page 106 of 279

104Instruments and controlsAntilock brake system(ABS)
u illuminates yellow.
Illuminates for a few seconds after the
ignition is switched on. The system is ready for operation when the control
indicator extinguishes.
If the control indicator does not
extinguish after a few seconds, or if it
illuminates while driving, there is a
fault in the ABS. The brake system
remains operational but without ABS
regulation.
Antilock brake system 3 159.
Gear shifting
R with the number of a higher gear is
indicated, when upshifting is
recommended for fuel saving
reasons.
Overload indicator
& illuminates.
Illuminates when the overload
indicator detects an exceeding of the
maximum authorised weight 3 86.Descent control system
ò illuminates or flashes green.
Iluminates green The system is switched on and ready
to operate.
Flashes green
The system is in operation.
Lane keep assist
a illuminates green or yellow, or
flashes yellow.
Illuminates green
The system is switched on and ready to operate.
Illuminates yellow
The system approaches a detected
lane marking without using the turn
light in that direction.
Flashes yellow The system recognizes that the lane
is departed significantly.Lane keep assist 3 198.
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 and
Traction Control system 3 163.
Selective ride control 3 165.
Engine coolant temperature o illuminates red.
Page 107 of 279

Instruments and controls105Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 215.
If there is sufficient coolant, consult a workshop.
Preheating
! illuminates yellow.
Preheating of diesel engine is
activated. Only activates when
outside temperature is low. Start the
engine when control indicator
extinguishes.
Exhaust filter
% or C illuminates yellow,
accompanied by a message in the
Driver Information Centre.
The exhaust filter requires cleaning.
Continue driving until the control
indicator extinguishes.
Illuminates temporarily Start of saturation of the exhaust filter.
Start cleaning process as soon as
possible by driving at a vehicle speed of at least 40 mph.
Illuminates constantly Indication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 151.
AdBlue Y flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 500 miles and 1500 miles.
Flashes yellow The remaining driving range is
between 0 miles and 500 miles.
AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start.AdBlue 3 152.
Deflation detection system w illuminates or flashes yellow.
Illuminates
Tyre pressure loss in one or more
wheels. Stop immediately and check
tyre pressure.
Flashes
Fault in system. Consult a workshop.
Deflation detection system 3 233.
Engine oil pressure I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly after the engine starts.
Page 108 of 279

106Instruments and controlsIlluminates 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. Select neutral gear.
2. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
3. 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 steering
wheel lock could engage
unexpectedly.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 204.
Bleeding the diesel fuel system
3 219.
Autostop D illuminates or flashes green.
Illuminates green
Engine is in an Autostop.
Flashes green
Autostop is temporarily unavailable,
or Autostop mode is invoked
automatically.
Stop-start system 3 147.
Exterior light 8 illuminates green.
The exterior lights are on 3 121.High beam
C illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 122.
Low beam
9 illuminates green.
Illuminated when low beam is on.
High beam assist
f illuminates green.
The high beam assist is activated
3 122.
LED headlights
C illuminates and a warning
message is displayed in the Driver
Information Centre.
Seek the assistance of a workshop.
Front fog lights
> illuminates green.
The front fog lights are on 3 125.
Page 109 of 279

Instruments and controls107Rear fog lightr illuminates yellow.
The rear fog light is on 3 125.
Rain sensor
< illuminates green.
Illuminated when rain sensor position on wiper lever is selected.
Cruise control
m illuminates white or green.
Illuminates white
The system is on.
Illuminates green
Cruise control is active. Set speed is
indicated in the Driver Information
Centre.
Cruise control 3 167.
Adaptive cruise control
m illuminates white or green.
C illuminates in the Driver
Information Centre.m illuminates white
The system is on.
m illuminates green
Adaptive cruise control is active.
When Adaptive cruise control is on or active, C with the set speed is
indicated in the Driver Information
Centre.
Adaptive cruise control 3 171.
Side blind spot alert
B illuminates continously green in the
instrument cluster.
The system is active 3 191.
Active emergency braking
m illuminates or flashes yellow.
Illuminates
The system has been deactivated or
a fault has been detected.
Additionally, a warning message is
displayed in the Driver Information
Centre.Check the reason of the deactivation
3 179 and in case of a system fault,
seek the assistance of a workshop.
Flashes
The system is actively engaged. Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Forward collision alert 3 178.
Front pedestrian protection 3 182.
Active emergency braking 3 179.
Speed limiter
ß illuminates in the Driver
Information Centre when speed
limiter is active. Set speed is indicated alongside ß symbol.
Speed limiter 3 169.
Door open
h illuminates red.
A door or the tailgate is open.
Page 110 of 279
108Instruments and controlsDisplaysDriver Information Centre
The Driver Information Centre is
located in the instrument cluster.
Driver Information Centre indicates: ● overall and trip odometer
● digital speed indication
● trip / fuel information menu
● gear shift indication
● service information
● vehicle and warning messages ● driver assistance messages
● pop-up messages
Selecting menus and functions
The menus and functions can be selected via the buttons on the
indicator lever.
Turn the adjuster wheel to select a
page in the trip / fuel information
menu.
Press SET / CLR to confirm or reset
a function.
Vehicle and service messages are popped up in the Driver Information
Centre if required. Scroll messages
by turning the adjuster wheel.
Confirm messages by pressing
SET / CLR .
Additionally, some menus can be selected via the CHECK button.Press CHECK to switch between the
respective menus.
Vehicle messages 3 114.
Page 111 of 279

Instruments and controls109Trip / fuel information menu,
Midlevel display
Select the required page:
Trip odometer
The recorded distance since the
reset.
Press L for 2 seconds to reset trip
odometer.
Average fuel 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.
Average speed
Display of average speed. The
measurement can be reset at any
time.
To reset, press SET/CLR for a few
seconds.
Fuel range
Range is calculated from current fuel
level and current consumption. The
display shows average values.
After refuelling, the range is updated
automatically after a brief delay.
When the fuel level is low, a message
appears on the display and the
control indicator o in the fuel gauge
illuminates 3 106.
Instantaneous Fuel Consumption
Display of the instantaneous
consumption.
Digital speed
Digital display of the instantaneous
speed.Trip / fuel information menu,
Uplevel display
Differerent pages with combined
information can be selected.
Select the required page:
Information page:
Fuel range
Range is calculated from current fuel
level and current consumption. The
display shows average values.
After refuelling, the range is updated
automatically after a brief delay.
Page 112 of 279

110Instruments and controlsWhen the fuel level is low, a message
appears on the display and the
control indicator o in the fuel gauge
illuminates 3 106.
Instantaneous Fuel Consumption
Display of the instantaneous
consumption.
Trip 1 page:
Average speed
Display of average speed. The
measurement can be reset at any
time.
Average fuel consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
Distance travelled
Displays the current distance for trip
1 since the reset.
The values of trip 1 page can be reset
by pressing SET/CLR for a few
seconds.
Trip 2 page:
Average speedDisplay of average speed. The
measurement can be reset at any
time.
Average fuel consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
Distance travelled
Displays the current distance for trip
2 since a certain reset.
The values of trip 2 page can be reset by pressing SET/CLR for a few
seconds.
Digital speed page
Digital display of the instantaneous
speed.
Stop and Start time counter
A time counter calculates the time
spent in STOP mode during a
journey. It resets to zero every time
the ignition is switched on.
Compass page
Displays the geographic direction of
driving.Blank page
No trip/fuel information is displayed.
AdBlue Press CHECK repeatedly until the
AdBlue menu is shown.
AdBlue range
Indicates an estimate of the AdBlue
level. A message indicates whether
the level is sufficient or low.
3 152.
Info Display
The Info Display is located in the instrument panel near the instrument
cluster.
Depending on the vehicle
configuration the vehicle has a
● Graphic Info Display
or
● Colour Info Display with
touchscreen functionality
The Info Displays can indicate: ● time 3 93
● outside temperature 3 92