110Instruments and controlsIlluminates when the engine is
running
Stop, switch off engine. Vehiclebattery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be
effective. Seek the assistance of a
workshop.
Malfunction indicator light
Z illuminates or flashes yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Fault in the emission control system.
The permitted emission limits may be
exceeded.
On diesel engines the cleaning
process of the diesel particle filter is
potentially not possible.
Seek the assistance of a workshop
immediately.Flashes 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.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too
low, when manual parking brake is
not applied 3 228.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 175.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 175.
Flashes
Electric parking brake is not fully applied or released. Depress the brake pedal and attempt to reset the
system by first releasing then
applying the electric parking brake. If
m remains flashing, do not drive and
seek the assistance of a workshop.
Electric parking brake fault j illuminates or flashes yellow.
Illuminates
Electric parking brake is operating
with degraded performance 3 175.
Flashes
Electric parking brake is in service
mode. Stop vehicle, apply and
release the electric parking brake to
reset.
Instruments and controls1119Warning
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 go out 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 3 174.
Gear shifting R or S with the number of a higher or
lower gear is indicated, when up- or
downshifting is recommended for fuel
saving reasons.
Following distance
E indicates the following distance
setting of the alert timing sensitivity
for the forward collision alert using
filled distance bars.
Forward collision alert 3 191.
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
signal in that direction.
Flashes yellow The system recognizes that the lane
is departed significantly.
Lane keep assist 3 213Electronic Stability Control
off
n illuminates yellow.
The system is deactivated.
Electronic 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 deterioratedepending 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 3 178,
Traction Control system 3 177.
112Instruments and controlsTraction Control system offk illuminates yellow.
The system is deactivated.
Preheating ! illuminates yellow.
Preheating of Diesel engine is
activated. Only activates when
outside temperature is low. Start the
engine when control indicator
extinguishes.
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 to 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 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.
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 3 226.
Low fuel
Y illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Refuelling 3 215.
Catalytic converter 3 166.
Instruments and controls113Bleeding the diesel fuel system
3 230.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Exterior light 8 illuminates green.
The exterior lights are on 3 134.
High beam C illuminates blue.
Illuminated when high beam is on or
during headlight flash 3 135.
High beam assist f illuminates green.
The high beam assist is activated,
see LED headlights 3 136.
LED headlights
f illuminates or flashes yellow.Illuminates
Fault in the system.
Seek the assistance of a workshop.
Flashes
System is switched to symmetrical
low beam.
Control indicator f flashes for approx.
four seconds after the ignition is switched on as a reminder for
symmetrical headlight 3 136.
Fog light > illuminates green.
The front fog lights are on 3 140.
Rear fog light ø illuminates yellow.
The rear fog light is on 3 141.
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 3 180.
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 3 184.
Vehicle detected ahead A illuminates green or yellow.
114Instruments and controlsIlluminates green
A vehicle ahead is detected in the
same lane.
Illuminates yellow The distance to a preceding moving
vehicle gets too small or when
approaching another vehicle too
rapidly.
Adaptive cruise control 3 184,
Forward collision alert 3 191.
Vehicle detected ahead
A illuminates green or yellow.
Illuminates green
A vehicle ahead is detected in the
same lane.
Illuminates yellow The distance to a preceding moving
vehicle gets too small or when
approaching another vehicle too
rapidly.
Forward collision alert 3 191.Speed limiter
L illuminates white or green.
Illuminates white The system is on.
Illuminates green Speed limiter is active. Set speed is
indicated near L symbol.
Speed limiter 3 182.
Traffic sign assistant L displays detected traffic signs as
control indicator.
Traffic sign assistant 3 209.
Door open h illuminates red.
A door or the tailgate is open.Information displays
Driver Information Centre
The Driver Information Centre is
located in the instrument cluster.
Depending on the version and the
instrument cluster, the Driver
Information Centre is available as
Midlevel display or Uplevel display.
Driver Information Centre indicates
depending on the equipment:
● overall and trip odometer
● vehicle information
● trip/fuel information
● driving economy information ● vehicle and warning messages
● audio and infotainment information
● phone information
● navigation information
● vehicle settings
Instruments and controls117On Midlevel display the pages
Remaining Oil Life, Tyre Pressure,
Traffic Sign Assistant and Following
Distance are displayed in the Vehicle
information menu, select ?.
Trip odometer 1/2 or A/B
Trip odometer displays the current
distance since a certain reset.
Trip odometer counts up to a distance
of 9,999 km then restarts at 0.
To reset on Midlevel display, press
SET/CLR for a few seconds.
To reset on Uplevel display, press >
and confirm with 9.
The information of trip odometer page 1/A and 2/B can be reset separately
while the respective display is active.
Average Fuel Consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
To reset on Midlevel display, press SET/CLR for a few seconds, on
Uplevel display, press > and confirm
with 9.Average speed
Display of average speed. The
measurement can be reset at any
time.
To reset on Midlevel display, press
SET/CLR for a few seconds, on
Uplevel display, press > and confirm
with 9.
Digital speed
Digital display of the instantaneous
speed.
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 Y in the fuel
gauge illuminates.
When the fuel tank must be refuelled
immediately, a warning message
appears and remains on the display.
Additionally, the control indicator Y in
the fuel gauge flashes 3 112.Instantaneous Fuel Consumption
Display of the instantaneous
consumption.
Remaining Oil Life
Indicates an estimate of the oil's
useful life. The number in percentage means the remainder of current oil life
3 107.
Tyre Pressure
Checks tyre pressure of all wheels
during driving 3 252.
Traffic sign assistant
Displays the detected traffic signs for
the current route section 3 209.
Following Distance
Displays the distance in seconds to a preceding moving vehicle 3 194. If
Adaptive cruise control is active this
page shows the following distance
setting instead.
Timer
To start and stop, press 9. To reset,
press > and confirm reset.
134LightingLightingExterior lighting.......................... 134
Light switch .............................. 134
Automatic light control .............135
High beam ............................... 135
Headlight flash ......................... 135
Headlight range adjustment ....135
Headlights when driving abroad .................................... 136
Daytime running lights .............136
LED headlights ........................ 136
Hazard warning flashers ..........139
Turn and lane-change signals . 140
Front fog lights ......................... 140
Rear fog light ........................... 141
Parking lights ........................... 141
Reversing lights .......................141
Misted light covers ...................141
Interior lighting ........................... 142
Instrument panel illumination control ..................................... 142
Interior lights ............................ 142
Reading lights .......................... 142
Sunvisor lights ......................... 143
Lighting features ........................143
Centre console lighting ............143Entry lighting ............................ 143
Exit lighting .............................. 143
Battery discharge protection ....144Exterior lighting
Light switch
Turn light switch:
AUTO:automatic light control
switches automatically
between daytime running
light and headlight8:sidelights9:headlights
When switching on the ignition,
automatic light control is active.
Control indicator 8 3 113.
136LightingTo adapt headlight range to the
vehicle load to prevent dazzling: turn
thumb wheel ? to required position.0:front seats occupied1:all seats occupied2:all seats occupied and load
compartment laden3:driver's seat occupied and load
compartment laden
Dynamic automatic headlight
levelling 3 136.
Headlights when driving
abroad
The asymmetrical headlight beam
extends visibility at the edge of the
road at the passenger side.
However, when driving in countries
where traffic drives on the opposite
side of the road, adjust the headlights to prevent dazzling of oncoming
traffic.
Vehicles with halogen headlight
system
The headlights do not have to be adjusted.
Vehicles with LED headlight
Headlights can be set for driving on
the opposite side of the road in the
vehicle personalisation menu via the
Info-Display.
Select the relevant setting in Settings,
I Vehicle .
Info-Display 3 119.
Vehicle personalisation 3 123.
Every time the ignition is switched on,
f flashes for approx. four seconds as
a reminder.
To deactivate, use the same
procedure as described above. f will
not flash when function is
deactivated.
Control indicator f 3 113.
Daytime running lights
Daytime running lights increases
visibility of the vehicle during daylight.
They are switched on automatically
during daytime when engine is
running.The system switches between
daytime running lights and headlights automatically, depending on the
lighting conditions. Automatic light
control 3 135.
LED headlights
LED headlight system contains a
variety of particular LEDs in each
headlight which enables the control of different lighting programs.
Light distribution and intensity of light
are variably triggered depending on
the lighting conditions, road type and
driving situation. The vehicle adapts
the headlights automatically to the
situation to enable optimal light
performance for the driver.
Some functions of the LED headlights
can be deactivated or activated in the vehicle personalisation menu. Select
the relevant setting in Settings, I
Vehicle in the Info-Display. Vehicle
personalisation 3 123.
High beam assist can not be
deactivated.