Page 94 of 283
92Instruments and controlsControlsSteering wheel adjustment
Unlock lever, adjust steering wheel,
then engage lever and ensure it is fully locked.
Do not adjust steering wheel unless
vehicle is stationary and steering
wheel lock has been released.
Steering wheel controls
Cruise control and speed limiter are
operated via the controls on the left
side of the steering wheel.
Additionally, adaptive cruise control can be set by using the controls on the
left side of the steering wheel.
Infotainment system can be operated
via the controls on the right side of the
steering wheel.
Further information is available in the
Infotainment manual.
Driver assistance systems 3 170.
Heated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 150.
Page 101 of 283
Instruments and controls99AshtraysCaution
To be used only for ash and not forcombustible rubbish.
A portable ashtray can be placed in
the cupholders.
Warning lights, gauges
and indicators
Instrument cluster
Depending on the version, the Driver Information Centre may vary.
Overview
OTurn signal 3 103XSeat belt reminder 3 104vAirbag and belt tensioners
3 104VAirbag deactivation 3 105pCharging system 3 105ZMalfunction indicator light
3 105CService vehicle soon 3 105YStop engine 3 105JSystem check 3 106RBrake and clutch system
3 106m , oParking brake 3 106
Electric parking brake 3 106uAntilock brake system (ABS)
3 107RGear shifting 3 107LLane keep assist 3 107bElectronic Stability Control
and Traction Control system
3 107!Preheating 3 108%Exhaust filter 3 108YAdBlue 3 108
Page 102 of 283
100Instruments and controlswDeflation detection system
3 108IEngine oil pressure 3 108Y oLow fuel 3 109W oEngine coolant temperature
high 3 107DAutostop 3 1098Exterior light 3 1099Low beam 3 109CHigh beam 3 109fHigh beam assist 3 109òDescent control system
3 107>Front fog lights 3 109øRear fog light 3 110
3 182hDoor open 3 110&Overload indicator 3 107
Speedometer
Indicates vehicle speed.
Odometer
The total recorded distance is
displayed in km.
Driver Information Centre
Trip odometer
The recorded distance since the last
reset is displayed in the Driver
Information Centre.
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Instruments and controls101
Monochrome display
Trip odometer counts up to
9,999.9 km without automatic reset.
Press L for 2 seconds to reset trip
odometer.
Colour display
Trip odometer counts up to
1,999.9 km and resets then
automatically.
Press L for 2 seconds to reset trip
odometer.
The trip / fuel information menu provides additionally two trip counter 3 111.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
A red marker indicates the beginning
of the warning zone of excessive revolutions. For Diesel engines, thewarning zone starts at 5000
revolutions per minute. For petrol
engines, the warning zone starts at
7000 revolutions per minute.
Caution
If the needle is beyond the red marker, the maximum permitted
engine speed is exceeded. Engine at risk.
Fuel gauge
Displays the fuel level.
Control indicator o illuminates if the
fuel level is low.
Never run the fuel tank dry. Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified fuel tank capacity.
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102Instruments and controlsEngine coolant temperaturegauge
Displays the coolant temperature.
50:engine operating temperature
not yet reached90:normal operating temperature130:temperature too high
Control indicator o illuminates if
coolant temperature is too high. Switch off engine immediately.
Caution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Engine oil level monitor
The state of the engine oil level is
displayed in the Driver Information
Centre for a few seconds following
the service information after switching
on the ignition.
A proper state of engine oil level is
indicated by the message Oil level
correct .
If engine oil level is low, I flashes
and Oil level incorrect is indicated,
accompanied by C. Confirm
engine oil level by using the oil
dipstick and top up engine oil
respectively.
Engine oil 3 217.
A fault of measurement is indicated
by the message Oil level
measurement invalid . Check engine
oil level manually by using the
dipstick.
Service display
The service system informs when to
change the engine oil and filter or a
vehicle service is required. Based on
driving conditions, the interval at
which an engine oil and filter change
is required can vary considerably.
Service information 3 254.
A required service due is displayed in the Driver Information Centre for
seven seconds after switching on the
ignition.
If no service is required for the next
3000 km or more no service
information appears in the display.
If service is required within the next
3000 km, the remaining distance or
time duration is indicated for several
seconds. Simultaneously C
illuminates permanently as reminder.
If service is required in less than
1000 km, C flashes and then
illuminates permanently. Remaining distance or time duration is indicatedfor several seconds.
Overdued service is indicated by a
message in the Driver Information
Centre which indicates the overdued
Page 107 of 283

Instruments and controls105Airbag deactivation
ÓON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 65.
Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Vehicle
battery 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. 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.
Service vehicle soon
C 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.
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106Instruments and controlsIlluminates 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 3 163.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 163.
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 3 163.
Electric parking brake fault
E illuminates yellow.
Illuminates
Electric parking brake has a fault
3 163.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Page 109 of 283

Instruments and controls107Antilock 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 3 162.
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 89.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 3 201.
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 3 166.
Selective ride control 3 168.
Engine coolant temperature
o illuminates red.