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40Seats, restraintsActivate seat heating by pressing ß
for the respective front seat.
The LED in the button illuminates to
indicate activation.
Pressing ß once more deactivates
seat heating.
Seat heating is operational when engine is running.
During an Autostop, seat heating is
also operational.
Stop-start system 3 135.Seat belts
The seat belts are locked during
heavy acceleration or deceleration of
the vehicle holding the occupants in
the sitting position. Therefore the risk
of injury is considerably reduced.
9 Warning
Fasten seat belt before each trip.
In the event of an accident, people
not wearing seat belts endanger their fellow occupants and
themselves.
Seat belts are designed to be used by only one person at a time. Child
restraint system 3 49.
Periodically check all parts of the belt
system for damage, pollution and
proper functionality.
Have damaged components
replaced. After an accident, have the
belts and triggered belt pretensioners replaced by a workshop.
Notice
Make sure that the belts are not
damaged by shoes or sharp-edged
objects or are trapped. Prevent dirt
from getting into the belt retractors.
Seat belt reminder
Each seat is equipped with a seat belt
reminder, indicated for driver seat as
control indicator X in the tachometer
3 90, and for front passenger seat
as control indicator k in the centre
console 3 87.
For rear seats, the seat belt reminder is indicated by symbols X in the Driver
Information Centre 3 96.
Page 77 of 265

Instruments and controls75Instruments and
controlsControls ....................................... 76
Steering wheel adjustment ........76
Steering wheel controls .............76
Heated steering wheel ...............76
Horn ........................................... 77
Windscreen wiper/washer .........77
Rear window wiper/washer .......79
Outside temperature ..................79
Clock ......................................... 80
Power outlets ............................. 82
Cigarette lighter ......................... 82
Ashtrays .................................... 83
Warning lights, gauges and indi‐ cators ........................................... 83
Instrument cluster ......................83
Speedometer ............................. 83
Odometer .................................. 83
Trip odometer ............................ 83
Tachometer ............................... 84
Fuel gauge ................................ 85
Fuel selector .............................. 85
Engine coolant temperature gauge ....................................... 86
Service display .......................... 86Control indicators ......................87
Turn signal ................................. 89
Seat belt reminder .....................90
Airbag and belt tensioners .........90
Airbag deactivation ....................91
Charging system .......................91
Malfunction indicator light ..........91
Service vehicle soon .................91
Brake and clutch system ...........92
Operate pedal ............................ 92
Antilock brake system (ABS) .....92
Gear shifting .............................. 92
Power steering .......................... 92
Lane departure warning ............92
Ultrasonic parking assist ...........93
Electronic Stability Control off ...93
Electronic Stability Control and Traction Control system ...........93
Traction Control system off .......93
Preheating ................................. 93
Diesel particle filter ....................93
Tyre pressure monitoring system ...................................... 94
Engine oil pressure ....................94
Low fuel ..................................... 94
Immobiliser ................................ 94
Reduced engine power .............94
Autostop .................................... 95
Exterior light .............................. 95
High beam ................................. 95High beam assist.......................95
Fog light ..................................... 95
Rear fog light ............................. 95
Cruise control ............................ 95
Vehicle detected ahead .............95
Speed limiter ............................. 95
Traffic sign assistant ..................95
Door open .................................. 95
Information displays .....................96
Driver Information Centre ..........96
Colour-Info-Display ..................100
Graphic-Info-Display ................101
Vehicle messages ......................102
Warning chimes .......................104
Battery voltage ........................ 104
Vehicle personalisation ..............105
OnStar ....................................... 108
Page 79 of 265
Instruments and controls77The highlighted grip areas of the
steering wheel are heated quicker and to a higher temperature than the
other areas.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 135.
Horn
Press j.
Windscreen wiper/washer
Windscreen wiperHI:fastLO:slowINT:interval wiping
or
automatic wiping with rain
sensorOFF:off
For a single wipe when the
windscreen wiper is off, press the
lever down to position 1x.
Do not use if the windscreen is frozen.
Switch off in car washes.
Adjustable wiper interval
Wiper lever in position INT.
Turn the adjuster wheel to adjust the
desired wipe interval:
short interval:turn adjuster
wheel upwardslong interval:turn adjuster
wheel downwards
Page 86 of 265
84Instruments and controlsMidlevel display
To reset, press SET/CLR on the turn
signal lever for a few seconds
3 96.
Uplevel display
Two trip odometers are selectable for
different trips.
Select menu Trip/Fuel Information
Menu ; by pressing Menu on the
turn signal lever. Turn adjuster wheel
on turn signal lever and select Trip 1
or Trip 2 . Each trip odometer can be
reset separately by pressing
SET/CLR on the turn signal lever for
a few seconds on the respective
menu.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Caution
If the needle is in the red warning
zone, the maximum permitted
engine speed is exceeded. Engine at risk.
Page 88 of 265
86Instruments and controlsEngine coolant temperaturegauge
Number of LEDs displays the coolant temperature.
up to 3 LEDs:engine operating
temperature not
yet reached4 to 6 LEDs:normal operating
temperaturemore than 6
LEDs:temperature too
highCaution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system lets you
know when to change the engine oil
and filter. Based on driving
conditions, the interval at which an
engine oil and filter change will be
indicated can vary considerably.
To display the remaining engine oil
life duration use turn signal lever
buttons:
Press MENU to select the Vehicle
Information Menu ? .
Turn the adjuster wheel to select
Remaining Oil Life .
Page 89 of 265

Instruments and controls87The remaining engine oil life duration
is displayed in percent in the Driver
Information Centre.
Reset
Press SET/CLR on turn signal lever
for several seconds to reset. The
remaining engine oil life duration
menu must be active. Switch on
ignition, but not the engine.
The system must be reset every time
the engine oil is changed to ensure
proper functionality. Seek the
assistance of a workshop.
Next serviceWhen the system has calculated that
engine oil life has diminished, a
warning message appears in the
Driver Information Centre. Have
engine oil and filter changed by a
workshop within one week or
300 miles (whichever occurs first).
Driver Information Centre 3 96.
Service information 3 234.Control indicators
The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions.
Depending on the equipment, the
position of the control indicators may vary. When the ignition is switched
on, most control indicators will
illuminate briefly as a functionality
test.
The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
Page 91 of 265

Instruments and controls89Control indicators in the centre
console
Overview
OTurn signal 3 89XSeat belt reminder 3 90vAirbag and belt tensioners
3 90VAirbag deactivation 3 91pCharging system 3 91ZMalfunction indicator light
3 91gService vehicle soon 3 91RBrake and clutch system
3 92-Operate pedal 3 92uAntilock brake system (ABS)
3 92RGear shifting 3 92cPower steering 3 92)Lane departure warning 3 92rUltrasonic parking assist
3 93nElectronic Stability Control off
3 93bElectronic Stability Control and
Traction Control system 3 93kTraction Control system off
3 93!Preheating 3 93%Diesel particle filter 3 93wTyre pressure monitoring
system 3 94IEngine oil pressure 3 94YLow fuel 3 94dImmobiliser 3 94#Reduced engine power 3 94DAutostop 3 958Exterior light 3 95CHigh beam 3 95lHigh beam assist 3 95>Fog light 3 95rRear fog light 3 95mCruise control 3 95AVehicle detected ahead 3 95LSpeed limiter 3 95LTraffic sign assistant 3 95hDoor open 3 95
Turn signal
O illuminates or flashes green.
Illuminates briefly
The parking lights are switched on.
Page 92 of 265

90Instruments and controlsFlashes
A turn signal or the hazard warning flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse.
Bulb replacement 3 196, Fuses
3 204.
Turn signals 3 117.
Seat belt reminder
Seat belt reminder on front seats
X for driver's seat illuminates or
flashes red in the tachometer.k for front passenger seat illuminates
or flashes red in the centre console
when the seat is occupied.
Illuminates
After the ignition has been switched on, until the seat belt has been
fastened.
Flashes
After having started the engine for a
maximum of 100 seconds, until the
seat belt has been fastened.
Fastening the seat belt 3 41.
Seat belt status on rear seatsX in the Driver Information Centre
flashes or illuminates.
Illuminates
After having started the engine for a
minimum of 35 seconds, until the seat
belt has been fastened.
Also illuminates if an unfastened seat belt is fastened whilst driving.
Flashes
After starting-off, when the seat belt is
unfastened.
Fastening the seat belt 3 41.
Airbag and belt tensioners v illuminates red.
When the ignition is switched on, the control indicator illuminates for
approx. four seconds. If it does not
illuminate, does not go out after
four seconds or illuminates whilst driving, there is a fault in the airbag
system. Seek the assistance of a
workshop. The airbags and belt
pretensioners may fail to trigger in the event of an accident.