22Keys, doors and windows
Depending on model, the vehicle mayuse a 2 button or 3 button remote
control or an electronic key which
includes the functionality of the radio
remote control.
Electronic key system 3 23.
Fault
If the central locking system cannot
be operated with the remote control,
it may be due to the following:
■ Range exceeded
■ Battery voltage too low
■ Frequent, repeated operation of the
remote control while not in range,
which will require reprogramming
by a workshop
■ Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time
■ Interference from higher-power radio waves from other sources
Manual key operation 3 25.Remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
2-button and 3-button remote control
Remove screw and open battery
compartment by inserting a coin into
the slot and twisting.
Keys, doors and windows23
Replace the battery (battery type
CR 2016), paying attention to the installation position.
Reattach both halves of the cover,
ensuring they engage correctly.
Replace screw and tighten.
Electronic key
The need for battery replacement is
indicated by a message in the Driver
Information Centre 3 91.
Press and hold the release button on
the side of the electronic key and pull out the emergency manual key from
the top. Unclip the battery cover
located on the rear of the electronic
key, then press one side of the battery
to release and remove the battery.
Replace the battery (battery type
CR 2016), paying attention to the
installation position.
Reattach battery cover and reinsert
the emergency manual key.
Electronic key synchronisation
Press any button on the electronic
key four times within range of the
detection zone (approx. one metre) of the front doors or load compartment.
The electronic key will be
synchronised when the ignition is
switched on.Electronic key system
Enables a handsfree operation of the following functions:
■ Central locking system 3 25
■ Load compartment 3 33
■ Ignition switching on and starting the engine 3 114
The electronic key simply needs to be on the driver's person.
24Keys, doors and windows
Note
Always take the electronic key with
you when exiting the vehicle.
The electronic key being left in the
card reader is indicated by a warning chime 3 91 and a message in the
Driver Information Centre 3 91
when the driver's door is opened.
Additionally, the electronic key
includes the functionality of the radio
remote control 3 21 and an entry
lighting function 3 100.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Note
Do not put the electronic key in the
load compartment during driving, as
this is outside of the detection zone
(indicated by a warning chime at low
speed 3 91 and a message in the
Driver Information Centre 3 91).
Handsfree operation is automatically
disabled when the electronic key
buttons have been operated or thecentral locking switch e 3 25 is
pressed. To re-enable handsfree
operation, restart the engine.
Power button 3 114.
Replacing battery in electronic
key Replace the battery as soon as the
system no longer operates properly
or the range is reduced. The need for
battery replacement is indicated by a
message in the Driver Information
Centre 3 91.
Battery replacement, see Radio
remote control 3 21.
Fault
If the central locking system cannot
be operated or the engine cannot be
started, the cause may be one of the
following:
■ Fault in electronic key.
■ Electronic key out of reception range.
■ Battery voltage too low.■ Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time.
■ Interference from higher-power radio waves from other sources.
Emergency manual key
Press and hold the release button on
the side of the electronic key and pull out the emergency manual key from
the top.
Manually lock or unlock the doors by turning the key in the lock.
Keys, doors and windows37
Activation without monitoring of
passenger compartment
Disable monitoring of the passenger
compartment, e.g. when animals are
being left in the vehicle, or if the
auxiliary heater has been set for a
timed or remote controlled start
3 106.
Press and hold button e on the
remote control or electronic key; an
audible signal will sound as
confirmation.
The status will remain until the doors
are unlocked.
AlarmWhen triggered, the alarm sounds via
a separate battery-backed power
sounder, and the hazard warning
lights flash simultaneously. The
number and duration of alarm signals are stipulated by legislation.
If the vehicle battery is disconnected
or its power supply is interrupted, the
alarm siren will be triggered. First
deactivate the anti-theft alarm system
if the vehicle battery must be
disconnected.To silence the alarm siren (if
triggered) and therefore deactivate
the anti-theft alarm system, reconnect vehicle battery and unlock the vehicle
or switch on the ignition.
Immobiliser
The immobiliser is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
The immobiliser is activated
automatically after the key has been
removed from the ignition switch and
also if the key is left in the ignition
switch when the engine is turned off.
If the engine cannot be started, switch off the ignition and remove key, wait
approx. 2 seconds and then repeat
the start attempt. If start attempt is
unsuccessful, attempt to start the
engine using the spare key and seek
the assistance of a workshop.Note
The immobiliser does not lock the doors. You should always lock the
vehicle after leaving it and switch on the anti-theft alarm system 3 25,
3 35.
Instruments and controls91Vehicle messages
Messages are displayed in the Driver
Information Centre and may be
accompanied by illumination of
control indicator F or C in the
instrument cluster.
Information messages Information messages regarding,
e.g. engine starting conditions, stop-
start system, parking brake
application, central locking, steering
wheel lock etc. provide the current
status of certain vehicle functions and
instructions for use.
Fault messages Fault messages regarding, e.g. fuel
filter, airbags, exhaust emissions etc.
are displayed together with control
indicator F. Drive with caution and
seek the assistance of a workshop as
soon as possible.
To remove fault messages from the
display, press button on end of wiper
lever. After a few seconds the
message may disappearautomatically and F remains
illuminated. The fault will then be
stored in the on board system.
Warning messagesWarning messages regarding, e.g.
engine, battery or brake system
failure, are displayed together with
control indicator C and may be
accompanied by a warning chime.
Stop engine immediately and seek
the assistance of a workshop.
Fuel economy messages
Fuel economy messages provide tips to improve fuel efficiency. Journeys
can be saved in the system memory,
enabling you to compare
performances.
Refer to Infotainment system manual
for further information.
Fuel economy rating 3 92.
Warning chimes
A corresponding message may also
appear in the Driver Information
Centre when a warning chime is
sounded.When starting the engine or
whilst driving: ■ If seat belt is not fastened 3 50.
■ During operation of the turn and lane-change signals 3 97.
■ During illumination of certain control indicators.
■ If the parking assist detects an object 3 130.
■ If the vehicle speed briefly exceeds
a set limit 3 126, 3 130.
■ If a door or the bonnet is not properly closed when vehicle
exceeds a certain speed.
■ If there is a fault in the brake system
3 87.
■ If the vehicle battery is not charging
3 86.
■ If engine lubrication is interrupted 3 88.
■ If the electronic key is outside of the
detection range.
Electronic key system 3 23, Power
button 3 114.
Driving and operating115
At very low outside temperatures
(e.g. below -10 °C) keep the clutch
pedal depressed while pressing the
Start/Stop button until the engine
starts.
If one of the starting conditions is not
applied, a corresponding message
appears in the Driver Information
Centre 3 90.
Vehicle messages 3 91.
Engine stop Electronic key must be inside the
vehicle, either in the card reader or
the front passenger compartment.
With the vehicle stationary, press the
Start/Stop button to stop the engine.
The steering wheel lock is engaged
when the driver's door is opened and the vehicle is locked.
If the electronic key is not detected, a
corresponding message appears in
the Driver Information Centre 3 90 . In
this event, press the Start/Stop button
for 2 seconds to stop the engine.
Central locking system 3 25.Retained power off
Press the Start/Stop button for more
than two seconds; the engine is
stopped while some functions, e.g.
Infotainment system, are available for
use for approx. 10 minutes.
These functions stop working when
the driver's door is opened and the
vehicle is locked.
Note
Always take the electronic key with you when exiting the vehicle.
The electronic key being left in the
card reader is indicated by a warning
chime 3 91 and a message in the
Driver Information Centre 3 91 when
the driver's door is opened.9 Danger
Never leave an electronic key
inside the vehicle when children or animals are left in the vehicle, to
avoid unintended operation of
windows, doors or engine. Risk of
fatal injury.
Fault
If the engine cannot be started, the
cause may be one of the following:
■ Fault in electronic key.
■ Electronic key out of reception range.
■ Battery voltage too low.
■ Overload of the central locking system by operating at frequentintervals, the power supply is
interrupted for a short time.
■ Interference from higher-power radio waves from other sources.
Battery replacement 3 21.
Central locking system 3 25.
Electronic key system 3 23.
Vehicle care155
No.Circuit1Vehicle battery (with electronic
key system)2APC battery backup (with elec‐
tronic key system)3Heating and ventilation system4Adaptations5Adaptations6Heating and ventilation system7Additional heating and ventila‐
tion, air conditioning system8Supplementary heating and
ventilation system9Electric exterior mirrors, addi‐
tional adaptations10Heated exterior mirrors11Radio, multimedia, electric exte‐ rior mirrors, diagnostic socket12Multimedia, trailer hitchNo.Circuit13Courtesy lights, battery
discharge protection14Fuel injection system, tyre pres‐ sure monitoring system, elec‐
tronic key system15Hazard warning flashers, turn and lane-change signals16Central locking17Left-hand high beam, right-hand
low beam, tail lights, left-hand
daytime running light18Front fog lights, rear fog lights,
number plate lighting19Alarm, horn, lighting, wiper20Instrument cluster21Light switch22Rear window wiper, windscreen
washer pump, horn23APC general battery24Reversing lightsNo.Circuit25Brake switch26Fuel injection, starter27Airbag, steering column lock28Passenger power window29Power steering30Brake lights31APC battery backup (with elec‐
tronic key system)32Service display33Cigarette lighter, power outlet34Right-hand high beam, left-
hand low beam, sidelights,
right-hand daytime running light35Brake lights, ABS, immobiliser36Interior lighting, air conditioning37Starting with electronic key
system38Rear window wiper
200
Steering wheel controls ...............75
Stop engine .................................. 86
Stop-start system.................. 18, 117
Storage ......................................... 67
Storage box .................................. 69
Storage compartments .................67
Sun visors .................................... 42
Symbols ......................................... 4
T Tachograph .................................. 94
Tachometer ................................. 81
Tailgate ......................................... 33
Tail lights ................................... 149
Technical data ............................ 182
Three-point seat belt .................... 51
Tools .......................................... 156
Top-tether fastening eyes ............66
Torx key ...................................... 156
Tow bar....................................... 136
Towing ................................ 136, 169
Towing another vehicle .............170
Towing a trailer ........................... 136
Towing eye ......................... 156, 169
Towing the vehicle .....................169
Traction Control system ............. 124
Trailer coupling ........................... 136
Trailer stability assist .................137
Trailer towing ............................. 136
Transmission ............................... 18Tread depth ............................... 160
Trip computer .............................. 92
Trip odometer .............................. 81
Turbo engine warm-up ...............116
Turn and lane-change signals .....97
Turn signal ................................... 85
Tyre chains ................................ 161
Tyre changing ............................. 165
Tyre designations ......................157
Tyre pressure ............................ 157
Tyre pressure monitoring system ............................... 88, 158
Tyre pressures ........................... 192
Tyre repair kit ............................. 162
Tyres .......................................... 157
Tyres and wheel size, changing. 161
U Ultrasonic parking assist............. 130
Underseat storage .......................69
Upholstery .................................. 172
Upshift .......................................... 87
Using this manual ..........................3
V Vehicle battery ........................... 144
Vehicle checks............................ 139
Vehicle data ................................ 181
Vehicle data recording and privacy ..................................... 193Vehicle dimensions .................... 186
Vehicle Identification Number ....178
Vehicle jack ................................ 156
Vehicle messages .......................91
Vehicle security ............................ 34
Vehicle shutdown ......................117
Vehicle specific data ......................3
Vehicle storage ........................... 138
Vehicle tools ....................... 156, 169
Vehicle unlocking ........................... 6
Vehicle weight ........................... 183
Ventilation ................................... 101
W
Warning chimes ........................... 91
Warning lights ............................... 80
Warning messages .......................91
Warning triangle .......................... 72
Washer and wiper systems .........16
Washer fluid ............................... 143
Washing the vehicle ...................171
Welcome lighting ........................100
Wheel changing .........................165
Wheel cover hook .......................156
Wheel covers ............................. 161
Wheels and tyres .......................157
Wheel wrench ............................. 156
Wide view mirror ........................... 39
Windows ....................................... 40
Windscreen................................... 40