Malfunction
The Comfort Access functions can be distur‐
bed by local radio waves, such as by a mobile
phone in the immediate vicinity of the remote
control or when a mobile phone is being
charged in the vehicle.
If this occurs, open or close the vehicle using
the buttons on the remote control or use the
integrated key in the door lock.
To start the engine afterward, insert the re‐
mote control into the ignition switch.
Warning lamps The warning lamp in the instrument
cluster lights up when you attempt to
start the engine: the engine cannot
be started.
The remote control is not in the vehicle or has
a malfunction. Take the remote control with
you inside the vehicle or have it checked. If
necessary, insert another remote control into
the ignition switch.
The warning lamp in the instrument
cluster lights up while the engine is
running: the remote control is no lon‐
ger inside the vehicle.
After switching off the engine, the engine can
only be started again within approx. 10 sec‐ onds if no door has been opened.
The indicator lamp in the instrument
cluster comes on and a message ap‐ pears on the Control Display: replace
the remote control battery.Replacing the battery
The remote control for Comfort Access con‐
tains a battery that will need to be replaced
from time to time.1.Take the integrated key out of the remote
control, refer to page 30.2.Remove the cover.3.Insert a new battery of the same type with
the positive side facing upwards.4.Press the cover closed.
Return used battery to a recycling collec‐
tion point or to your service center.
Alarm system The conceptThe vehicle alarm system responds to:
▷Opening of a door, the hood or the tailgate.▷Movements in the vehicle: interior motion
sensor, refer to page 40.▷Changes in the vehicle tilt, e.g., during at‐
tempts to steal a wheel or tow the car.▷Interruptions in battery voltage.
The alarm system briefly indicates tampering:
▷By sounding an acoustic alarm.▷By switching on the hazard warning sys‐
tem.▷By flashing the high beams.Seite 39Opening and closingControls39
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Arming and disarming the alarm
system
General information
When you lock or unlock the vehicle, either
with the remote control or at the door lock, the
alarm system is armed or disarmed at the
same time.
Door lock and armed alarm systemUnlocking via the door lock will trigger the
alarm on some market-specific versions.
To stop this alarm, unlock the vehicle with the
remote control or switch on the ignition.
Tailgate and armed alarm system
The tailgate can be opened using the remote
control, even if the alarm system is armed.
Press the button on the remote control.
After the tailgate is closed, it is locked and
monitored again by the alarm system. The haz‐
ard warning system flashes once.
In some market-specific versions, the tailgate
can only be opened using the remote control if
the vehicle was unlocked first.
Switching off the alarm
▷Unlock the vehicle using the remote con‐
trol, refer to page 32.▷Insert the remote control all the way into
the ignition lock.
Indicator lamp on the interior rearview
mirror
▷The indicator lamp flashes continuously:
The system is armed.▷The indicator lamp flashes after locking:
The doors, hood or tailgate is not closed
properly, but the rest of the vehicle is se‐
cured.
The indicator lamp flashes continuously af‐
ter approx. 10 seconds. The interior motion
sensor is not active.▷The indicator lamp goes out after unlock‐
ing:
The vehicle has not been tampered with.▷If the indicator lamp flashes after unlocking
until the remote control is inserted in the
ignition, but for no longer than approx.
5 minutes:
An alarm has been triggered.
Panic mode
In dangerous situations, trigger the alarm sys‐
tem:
Press the button on the remote control for
at least 3 seconds.
To switch off the alarm: press any button.
Tilt alarm sensor The tilt of the vehicle is monitored.
The alarm system responds in situations such
as attempts to steal a wheel or tow the car.
Interior motion sensor
For the sensor to function properly, the win‐
dows and glass sunroof must be closed.
Avoiding unintentional alarms The tilt alarm sensor and interior motion sen‐
sor can be switched off together, such as in
the following situations:
▷In duplex garages.▷During transport on car-carrying trains, at
sea or on a trailer.Seite 40ControlsOpening and closing40
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Engine compartmentVehicle equipmentThis chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it alsodescribes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and
systems.
Important features in the engine compartment
1Filler neck for the washer fluid for the
headlamp and window washer system 662Engine oil filler neck 2723Starting aid terminal 2884Coolant expansion tank 273Hood
Opening the hood Working in the engine compartment
Never attempt to perform any service or
repair operations on your vehicle without the necessary professional technical training.If you are unfamiliar with the statutory guide‐
lines, have any work on the vehicle performed
only by a service center.Seite 270MobilityEngine compartment270
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If this work is not carried out properly, there is
the danger of subsequent damage and related
safety hazards.◀1.Pull the lever.2.Press the release handle and open the
hood.
Closing the hood
Drop the hood from a height of ap‐
prox. 16 in/40 cm. It must be clearly heard to
engage.
Hood open when driving
If you see any signs that the hood is not
completely closed while driving, pull over im‐
mediately and close it securely.◀
Danger of pinching
Make sure that the closing path of the
hood is clear; otherwise, injuries may result.◀
Engine oil
General information Engine oil consumption depends on the driv‐
ing style and the conditions of use. A highly
sporty driving style, for example, results in
considerably higher engine oil consumption.
Therefore, regularly check the engine oil level
after refueling.
Checking the engine oil level Your car is equipped with an electronic engine
oil level check.
Requirements▷The engine must be running and warm af‐
ter the vehicle has been driven for at least
6.2 miles/10 km.▷The vehicle is stopped or being driven on a
level roadway.
Displaying the oil level
1."Vehicle Info"2."Vehicle status"3. "Engine oil level"
Possible messages
▷"Engine oil level OK"Seite 271Engine compartmentMobility271
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Alternative oil typesIf the approved engine oils are not available, up
to 1 US quart/liter of an oil with the following
specification can be used:Gasoline engineAPI SM or a higher quality standard
Oil change
An oil change should be carried out by the
service center only.
Coolant
General information Danger of burns from hot engine
Do not open the cooling system while
the engine is hot; otherwise, escaping coolant
may cause burns.◀
Suitable additives
Only use suitable additives; otherwise,
engine damage may occur. The additives are
harmful to your health.◀
Coolant consists of water and additives.
Not all commercially available additives are
suitable for your vehicle. Ask your service cen‐
ter for suitable additives.
Checking the coolant level1.Do not open the hood until the engine has
cooled down.2.Turn the expansion tank cap counterclock‐
wise slightly to allow any accumulated
pressure to escape; then continue turning
to open.3.The filling level indicator 1 in the filler neck
indicates the coolant level. The coolant
level is correct if it is between the arrows of
the respective reservoir label 2.4.If the coolant is low, slowly add coolant up
to the specified level; do not overfill.5.Turn the cap until there is an audible click.6.Have the cause of the coolant loss elimi‐
nated as soon as possible.
Disposal
Comply with the appropriate environ‐
mental protection regulations when dis‐
posing of coolant additives.
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CareVehicle equipmentThis chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it also
describes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and
systems.
Car washes
Notes Steam jets or high-pressure washers
When using steam jets or high-pressure
washers, hold them a sufficient distance away
and use a maximum temperature of
140 ℉/60 ℃.
Holding them too close or using excessively
high pressures or temperatures can cause
damage or preliminary damage that may then lead to long-term damage.
Follow the operating instructions for the high-
pressure washer.◀
Cleaning sensors/cameras with high-
pressure washers
When using high-pressure washers, do not
spray the exterior sensors and cameras, for
Park Distance Control or the backup camera,
for instance, for extended periods of time and
only from a distance of at least 12 in/30 cm.◀
Regularly remove foreign bodies, such as
leaves, from the area below the windshield
when the hood is open.
Wash your vehicle frequently, particularly in
winter.
Intense soiling and road salt can damage the
vehicle.Washing in automatic car washes
Give preference to cloth car washes or those
that use soft brushes in order to avoid paint
damage.
Notes
Note the following:▷Make sure that the wheels and tires are not
damaged by the transport mechanisms.▷Fold in the exterior mirrors; otherwise, they
may be damaged, depending on the width
of the vehicle.▷Deactivate rain sensor, refer to page 66, to
prevent unintentional wiper action.▷Remove additional attachments, for in‐
stance a spoiler or telephone antenna, if
there is a risk that these may be damaged.
Guide rails in car washes
Avoid car washes with guide rails higher
than 4 in/10 cm; otherwise, the vehicle body
could be damaged.◀
Before driving into a car wash The vehicle is able to roll if the following steps
are taken.
1.Insert the remote control into the ignition
lock, even with Comfort Access.2.Engage transmission position N.3.Release the parking brake.4.Deactivating Automatic Hold, refer to
page 62.5.Switch the engine off.6.Leave the remote control in the ignition
lock so that the vehicle can roll.
Transmission position P will be engaged:
▷Automatically after approx. 30 minutes.Seite 291CareMobility291
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High beams/low beams, auto‐matic, refer to High-beam
Assistant 83
High beams, indicator lamp 15
High-pressure washers 291
Hill Descent Control HDC 99
Hill drive-off assistant, refer to Drive-off assistant 100
Hills 148
Holder for beverages 139
Holder for remote control, re‐ fer to Ignition lock 59
Homepage 6
Hood 270
Hood, opening 270
Horn 12
Hot exhaust system 146
Hotline 253
House number, entering for navigation 161
Hydraulic brake assistant 96
Hydroplaning 147
I Ice warning, refer to External temperature warning 70
Icy roads, refer to External temperature warning 70
Identification marks, tires 265
iDrive 18
iDrive, changing settings 78
iDrive, changing the lan‐ guage 79
iDrive, changing the units of measure and display for‐
mat 79
iDrive, setting the bright‐ ness 79
iDrive, setting the date 78
iDrive, setting the time 78
Ignition 60
Ignition key position 1, refer to Radio ready state 59 Ignition key position 2, refer
to Ignition on 60
Ignition key, refer to Remote control with integrated
key 30
Ignition lock 59
Ignition, switched off 60
Ignition, switched on 60
Images, displaying, rear DVD system 218
Indication of a flat tire 89, 91
Indicator and warning lamps 15
Inflation pressure monitor, re‐ fer to Flat Tire Monitor 88
Inflation pressure, refer to Tire inflation pressure 262
Information on the navigation data 158
Initialization after power fail‐ ure 283
Initializing– Compass, refer to Calibrat‐
ing 132
Initializing, Flat Tire Monitor
FTM 89
Initializing, glass sunroof 43
Initializing, refer to Setting the date 78
Initializing, refer to Setting the time 78
Initializing, Tire Pressure Monitor TPM 91
Installation location, tele‐ phone 138
Instrument cluster 14
Instrument lighting 85
Instrument panel, refer to In‐ strument cluster 14
Instruments, refer to Cock‐ pit 12
Integrated key 30
Interactive map 165
Interior equipment 129
Interior lamps 85
Interior lamps
– Remote control 33Interior mirror 52
Interior rearview mirror, auto‐ matic dimming 52
Interior rearview mirror, com‐ pass 131
Interior temperature, setting, automatic climate con‐
trol 121
Intermediate destina‐ tions 167
Internet page 6
Intersection, entering for navi‐ gation 161
iPod/iPhone 202
J
Jacking points for the vehicle jack 281
Jack, refer to Vehicle jack 281
Joystick, refer to Selector lever 67
Jump-starting 287
K
Keyless Go, refer to Comfort Access 37
Keyless opening and closing, refer to Comfort Access 37
Key Memory, refer to Per‐ sonal Profile 30
Key, refer to Integrated key/ remote control 30
Kickdown– Automatic transmission with
Steptronic 67
Knocking control 260
L
Label, run-flat tire 268
Lamp and bulb replacement, lamp replacement 276
Lamps 81
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Trips, planning 167
Trunk lid, refer to Tailgate 36
Turning circle, refer to Dimen‐ sions 298
Turning lamps, refer to Adap‐ tive Light Control 82
Turn signal, indicator lamp 14
Turn signals 64
Turn signals, triple turn signal activation 65
U Uniform Tire Quality Grading/ UTQG 265
Unintentional alarms, avoid‐ ing 40
Units, average fuel consump‐ tion 79
Units, temperature 79
Universal Garage Door Opener 129
Universal remote control 129
Unlocking– From the outside 32– Setting the unlocking char‐
acteristics 32– Tailgate 38– Without remote control, re‐
fer to Comfort Access 37
Unlocking, from the inside 35
Unlocking, hood 270
Updates made after the edito‐ rial deadline 6
Update, software 208
Upholstery care 292
USB audio interface 202
USB interface 137
V
Vacuum cleaner, connecting, refer to Connecting electri‐
cal devices 133
Vehicle– Identification number 226– Identification number, refer
to Engine compartment 270
Vehicle battery, chang‐
ing 283
Vehicle, breaking in 146
Vehicle care 292
Vehicle care, refer to Care 291
Vehicle equipment 6
Vehicle jack 281
Vehicle paint 292
Vehicle storage 294
Vehicle, switching off 60
Vehicle wash 291
Ventilation 125
Ventilation, automatic climate control in rear 127
Ventilation, draft-free 125
Ventilation, in rear 126
Ventilation, refer to Parked- car ventilation 127
Vents of automatic climate
control 121
Version of the navigation data 158
Video playback 192
Voice activation
– Navigation 166
Voice activation, mobile
phone 235
Voice activation, short com‐ mands 300
Voice activation system 25
Volume, setting 180
W Warning and indicator lamps 15
Warning messages, refer to Check Control 76
Warning signal volumes 181
Warning triangle 287
Washer/wiper system 65
Washer/wiper system, rain
sensor 66
Washer/wiper system, washer fluid 66
Washer/wiper system, wind‐ shield washer nozzles 66
Washer fluid 66
Washer fluid reservoir 67
Washing, vehicle 291
Waste tray, refer to Ash‐ tray 133
Water on roads, refer to Driv‐ ing through water 147
Weights 298
Welcome lamps 81
Wheelbase, refer to Dimen‐ sions 298
Wheel change 280
Wheels and tires 262
Wheels, changing 267
Wheels, Flat Tire Monitor FTM 88
Wheels, Tire Pressure Moni‐ tor TPM 90
Width, refer to Dimen‐ sions 298
Window, Convenient opera‐ tion 33
Windows– Safety switch 42
Windows, defrosting and de‐
fogging, automatic climate
control 123
Windows, pinch protec‐ tion 41
Windshield, cleaning 66
Windshield, defrosting, refer to Defrosting windows 123
Windshield wash 65
Windshield washer fluid 66
Windshield wash, reservoir for washer fluid 67
Windshield wash, washer fluid 67
Windshield wash, washer nozzles 66
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