In brief111Power windows .....................40
2 Central locking system ..........24
3 Exterior mirrors .....................37
4 Light switch ........................ 128
Headlight range
adjustment ......................... 131
Front/rear fog lights ............135
Instrument illumination .......136
5 Side air vents ...................... 151
6 Turn and lane-change
signals, headlight flash,
low/high beam, high beam assist ................................... 134
Exit lighting ......................... 138
Parking lights ...................... 135
Buttons for Driver
Information Centre ..............110
7 Cruise control .....................180
Speed limiter ....................... 182
Adaptive cruise control .......183
Forward collision alert .........1918Instruments .......................... 99
Driver Information Centre .... 110
9 Buttons for Driver
Information Centre ..............110
10 Windscreen wiper and
washer, headlight washer,
rear wiper and washer .........86
11 Centre air vents .................. 151
12 Sport/Tour mode ................178
Traction Control system .....176
Electronic Stability Control . 176
Hazard warning flashers ....134
Parking assist/Advanced
parking aid ......................... 196
Lane departure warning .....212
13 Anti-theft alarm system
status LED ........................... 34
14 Colour-Info-Display ............117
15 Glovebox .............................. 69
Fuse box ............................ 24916Control indicator for airbag
activation/deactivation .......104
Control indicator for front
passenger seat belt ...........103
17 Controls for Colour-Info-
Display operation ................117
18 CD-slot
19 Climate control system ........ 140
20 Electric parking brake .........174
21 Manual transmission ..........172
Automatic transmission ......167
22 Storage ................................. 69
23 Eco button for stop-start
system ................................. 159
Fuel selector button ............101
24 Ignition/Power switch ..........155
25 Horn ..................................... 86
26 Steering wheel adjustment ..85
27 Bonnet release lever ..........227
28 Storage compartment ...........70
24Keys, doors and windowsCentral locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door. Pulling the handle once more opens the door.
Notice
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Notice
A short time after unlocking with the
remote control the doors are locked
automatically if no door has been
opened.Remote control operation
Unlocking
Press c.
Unlocking mode can be set in the
vehicle personalisation menu in the
Colour-Info-Display. Two settings are selectable:
● All doors, load compartment and fuel filler flap are unlocked by
pressing c once.
● Only the driver's door, load compartment and fuel filler flap
are unlocked by pressing c once.
To unlock all doors, press c
twice.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 117.
Vehicle personalisation 3 120.
The setting can be saved for the remote control being used.
Memorised settings 3 23.
Locking
Close doors, load compartment and
fuel filler flap.
Press e.
If the driver's door is not closed
properly, the central locking system will not work.
Keys, doors and windows25Unlocking and opening the tailgate4-door Saloon, Country Tourer,
Sports Tourer with power tailgate
Press x when the ignition is off until
tailgate opens automatically. The
doors remain locked.
Power tailgate 3 29.
Confirmation
Operation of central locking system is
confirmed by the hazard warning
flashers.
Electronic key system operation
The electronic key must be outsidethe vehicle, within a range of approx.
one metre of the relevant door side.
Unlocking
Press the button on any exterior door
handle and pull the handle.
Unlocking mode can be set in the
vehicle personalisation menu in the
Colour-Info-Display. Two settings are selectable:
● All doors, load compartment and fuel filler flap are unlocked by
pressing a button on any exterior
handle once.
● Only the driver's door, load compartment and fuel filler flapare unlocked by pressing the
button on driver's door exterior
handle once. To unlock all doors, press button twice.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 117.
Vehicle personalisation 3 120.
The setting can be saved for the
electronic key being used.
Memorised settings 3 23.
26Keys, doors and windowsLocking
Press the button on any exterior door
handle.
All doors, load compartment and fuel
filler flap are locked.
The system only locks if any of the
following occurs:
● It has been more than 5 seconds since unlocking.
● The button on an exterior handle has been pressed twice within
5 seconds.
● Any door has been opened and then all doors are closed.
If the driver's door is not closed
properly or the electronic key remains in the vehicle and the ignition is not
off, locking will not be permitted and a warning tone sounds three times.
If there have been two or more
electronic keys in the vehicle and the
ignition was on once, the doors will be
locked even if just one electronic key
is taken out of the vehicle.
Unlocking and opening the tailgate
The tailgate and the doors can be
unlocked by pressing the button
under the tailgate moulding when
electronic key is in range.
Passive Locking
See 'Automatic locking' 3 27.
Confirmation
Operation of central locking system is
confirmed by the hazard warning
flashers.
Central locking buttonsLocks or unlocks all doors, the load
compartment and fuel filler flap from
the passenger compartment by a
switch in the driver's door panel.
Press e to lock.
Press c to unlock.
Keys, doors and windows27Fault in radio remote control unit
or electronic key system
Manual unlocking
Manually unlock the driver's door by
turning the key in the lock. Switch on
the ignition and press the central
locking button c to unlock all doors,
load compartment and fuel filler flap.
By switching on the ignition, the anti-
theft locking system is deactivated.
Manual locking
Manually lock the driver's door by
turning the key in the lock.
Fault in central locking system
Manual unlocking
Manually unlock the driver's door by
turning the key in the lock. The other
doors can be opened by pulling the
interior handle twice. The load
compartment and fuel filler flap
cannot be opened. To deactivate the
anti-theft locking system, switch on
the ignition 3 34.
Manual locking
Push inside locking knob of all doors
except driver's door. Then close the
driver's door and lock it from the
outside with the key. The fuel filler flap
and tailgate cannot be locked.
Automatic locking Automatic locking after driving off This security feature can be
configured to automatically lock all
doors, load compartment and fuel
filler flap after driving off and
exceeding a certain speed.When at a standstill after driving, the
vehicle will be unlocked automatically
as soon as the key is removed from
the ignition switch, or with electronic
key system when the ignition is
switched off.
Activation or deactivation of
automatic locking can be set in the
menu Settings , I Vehicle in the
Colour-Info-Display.
Colour-Info-Display 3 117.
Vehicle personalisation 3 120.
The setting can be saved for the
remote control or electronic key being used 3 23.
Automatic relock after unlocking
This feature can be configured to
automatically lock all doors, load
compartment and fuel filler flap a
short time after unlocking with the
remote control or electronic key,
provided no door has been opened.
Activation or deactivation of
automatic relock can be set in the
menu Settings , I Vehicle in the
Colour-Info-Display.
Colour-Info-Display 3 117.
82StorageLoading information
● Heavy objects in the loadcompartment should be placed
against the seat backrests. Make
sure that the backrests are
securely engaged, i.e. no longer
showing the red markings on the side near the release lever. If
objects can be stacked, heavier
objects should be placed at the
bottom.
● Secure objects with lashing straps attached to lashing eyes
3 75.
● Secure loose objects in the load
compartment to prevent from
sliding.
● When transporting objects in the load compartment, the backrestsof the rear seats must not be
angled forward.
● Do not allow the load to protrude above the upper edge of the
backrests.
● Do not place any objects on the load compartment cover or theinstrument panel, and do not
cover the sensor on top of the instrument panel.
● The load must not obstruct the operation of the pedals, parking
brake and gear selector, or
hinder the freedom of movement of the driver. Do not place any
unsecured objects in the interior.
● Do not drive with an open load compartment.9Warning
Always make sure that the load in
the vehicle is securely stowed.
Otherwise objects can be thrown
around inside the vehicle and
cause personal injury or damage
to the load or car.
● The payload is the difference between the permitted gross
vehicle weight (see identification
plate 3 278) and the EC kerb
weight.
To calculate the payload, enter
the data for your vehicle in the
weights table at the front of this
manual.
The EC kerb weight includes
weights for the driver (68 kg),
luggage (7 kg) and all fluids (fuel
tank 90% full).
Optional equipment and
accessories increase the kerb
weight.
● Driving with a roof load increases
the sensitivity of the vehicle to
cross-winds and has a
84Instruments and controlsInstruments and
controlsControls ....................................... 85
Steering wheel adjustment ........85
Steering wheel controls .............85
Heated steering wheel ...............85
Horn ........................................... 86
Windscreen wiper/washer .........86
Rear window wiper/washer .......88
Outside temperature ..................89
Clock ......................................... 89
Power outlets ............................. 91
Ashtrays .................................... 92
Warning lights, gauges and indi‐ cators ........................................... 93
Instrument cluster ......................93
Speedometer ............................. 99
Odometer .................................. 99
Trip odometer ............................ 99
Tachometer ............................. 100
Fuel gauge .............................. 100
Fuel selector ............................ 101
Engine coolant temperature gauge ..................................... 101
Service display ........................ 101
Control indicators ....................103Turn signal............................... 103
Seat belt reminder ...................103
Airbag and belt tensioners .......104
Airbag deactivation ..................104
Charging system .....................104
Malfunction indicator light ........105
Brake and clutch system .........105
Operate pedal .......................... 105
Electric parking brake ..............105
Electric parking brake fault ......105
Antilock brake system (ABS) ...106
Upshift ..................................... 106
Variable effort steering ............106
Following distance ...................106
Lane departure warning ..........106
Ultrasonic parking assist .........106
Electronic Stability Control off . 107
Electronic Stability Control and Traction Control system .........107
Traction Control system off .....107
Engine coolant temperature ....107
Preheating ............................... 107
Diesel particle filter ..................107
AdBlue ..................................... 107
Tyre pressure monitoring system .................................... 108
Engine oil pressure ..................108
Low fuel ................................... 108
Immobiliser .............................. 108
Autostop .................................. 109Exterior light............................ 109
High beam ............................... 109
High beam assist .....................109
Adaptive forward lighting .........109
Fog light ................................... 109
Rear fog light ........................... 109
Cruise control .......................... 109
Adaptive cruise control ............109
Vehicle detected ahead ...........109
Speed limiter ........................... 110
Traffic sign assistant ................110
Door open ................................ 110
Information displays ...................110
Driver Information Centre ........110
Colour-Info-Display ..................117
Smartphone controller .............118
Vehicle messages ......................119
Warning chimes .......................119
Battery voltage ........................ 120
Vehicle personalisation ..............120
Telematics service .....................124
OnStar ..................................... 124
98Instruments and controlsOverviewOTurn signal 3 103XSeat belt reminder 3 103vAirbag and belt tensioners
3 104VAirbag deactivation 3 104pCharging system 3 104ZMalfunction indicator light
3 105RBrake and clutch system
3 105-Operate pedal 3 105mElectric parking brake
3 105jElectric parking brake fault
3 105uAntilock brake system (ABS)
3 106[ or
RUpshift 3 106cVariable effort steering
3 106EFollowing distance 3 106)Lane departure warning
3 106rUltrasonic parking assist
3 106nElectronic Stability Control
off 3 107bElectronic Stability Control
and Traction Control system
3 107kTraction Control system off
3 107WEngine coolant temperature
3 107!Preheating 3 107%Diesel particle filter 3 107YAdBlue 3 107wTyre pressure monitoring
system 3 108IEngine oil pressure 3 108i or
YLow fuel 3 108dImmobiliser 3 108DAutostop 3 1098Exterior light 3 109CHigh beam 3 109lHigh beam assist 3 109fAdaptive forward lighting
3 109>Fog light 3 109rRear fog light 3 109mCruise control 3 109C or
mAdaptive cruise control
3 109AVehicle detected ahead
3 109LSpeed limiter 3 110