Page 105 of 281

Instruments and controls103Flashes when the engine is
running
Fault that could lead to catalytic
converter damage. Ease up on the accelerator until the flashing stops.
Seek the assistance of a workshop
immediately.
Service vehicle soon
H illuminates yellow.
Illuminates briefly when the ignition is
switched on.
May illuminate together with other
control indicators and a
corresponding message in the Driver
Information Centre.
Seek the assistance of a workshop
immediately.
Stop engine
Y illuminates red.
Illuminates briefly when the ignition is switched on.Illuminates together with other controlindicators, 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.
Page 106 of 281

104Instruments and controls9Warning
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.
Antilock 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.
Descent control systemò 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.
Page 107 of 281

Instruments and controls105Electronic 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 and
Traction Control system 3 163.
Selective ride control 3 165.
Engine coolant temperature
o illuminates red.Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 213.
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 H 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.
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106Instruments and controlsAdBlue 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 3 230.
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.
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 3 203.
Bleeding the diesel fuel system
3 216.
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.
Page 109 of 281

Instruments and controls107Exterior light8 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 H 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.
Rear fog light r illuminates yellow.
The rear fog light is on 3 126.
Rain sensor < illuminates green.
Illuminated when rain sensor position on wiper stalk 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.
Vehicle detected ahead
A illuminates green.
Illuminates green
A vehicle ahead is detected in the
same lane.
Adaptive cruise control 3 171.
Forward collision alert 3 178.
Page 110 of 281

108Instruments and controlsSide blind spot alertB 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.Displays
Driver 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 left
steering wheel stalk.
Page 111 of 281
Instruments and controls109
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 3 115.
Trip / 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.
Page 112 of 281

110Instruments and controlsAverage 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 level in the fuel tank 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.
When the level in the fuel tank 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 speed