In brief111Power windows .....................31
2 Exterior mirrors .....................29
3 Cruise control .....................203
Speed limiter ....................... 204
Adaptive cruise control .......206
Forward collision alert .........212
4 Turn and lane-change
signals, headlight flash,
low beam and high beam,
high beam assist ................119
Exit lighting ......................... 122
Parking lights ...................... 120
Buttons for Driver
Information Centre ..............101
5 Instruments .......................... 89
6 Driver Information Centre .... 101
7 Steering wheel controls .......83
8 Windscreen wiper,
windscreen washer
system, headlight washer
system, rear wiper, rear
washer system ......................84
9 Controls for Info-Display
operation ............................. 10510Central locking system ..........22
Hazard warning flashers ....119
Sport mode ........................ 201
Tour mode .......................... 201
Control indicator for airbag deactivation .......................... 96
11 Anti-theft alarm system
status LED ........................... 26
12 Info-Display ........................ 105
13 Centre air vents .................. 179
14 Side air vents ...................... 179
15 Glovebox .............................. 62
16 Climate control system ........ 173
17 USB input .............................. 10
Power outlet .......................... 87
18 Selector lever, manual
transmission ....................... 196
Automatic transmission ......192
19 Traction Control system .....199
Electronic Stability Control . 200
Lane departure warning .....227
20 Electric parking brake .........19721Manual parking brake .........197
22 Parking assist systems .......218
Eco button for stop-start
system ................................. 185
23 Ignition switch with
steering wheel lock ............182
24 Horn ..................................... 84
Driver airbag ........................ 53
25 Bonnet release lever ..........240
26 Fuse box ............................ 258
Storage compartment ...........64
27 Light switch ........................ 114
Headlight range
adjustment ......................... 116
Front fog lights ...................119
Rear fog light ...................... 120
Instrument illumination .......121
28 Steering wheel adjustment ..83
In brief13Exterior lightingAUTO:automatic light control
switches automatically
between daytime running
light and headlight8:sidelights9:headlights
Automatic light control 3 115.
Fog lights
Press light switch:
>:front fog lightsr:rear fog light
Lighting 3 114.
Headlight flash, high beam and
low beamheadlight flash:pull leverhigh beam:push leverlow beam:push or pull lever
High beam 3 115.
Headlight flash 3 116.
LED headlights 3 118.
High beam assist 3 118.
Turn and lane-change signalslever up:right turn signallever down:left turn signal
Turn and lane-change signals
3 119, Parking lights 3 120.
82Instruments and controlsInstruments and
controlsControls ....................................... 83
Steering wheel adjustment ........83
Steering wheel controls .............83
Heated steering wheel ...............83
Horn ........................................... 84
Windscreen wiper and washer ..84
Rear window wiper and washer ...................................... 85
Outside temperature ..................86
Clock ......................................... 86
Power outlets ............................. 87
Cigarette lighter ......................... 88
Ashtrays .................................... 88
Warning lights, gauges and indi‐ cators ........................................... 89
Instrument cluster ......................89
Speedometer ............................. 89
Odometer .................................. 89
Trip odometer ............................ 89
Tachometer ............................... 90
Fuel gauge ................................ 90
Engine coolant temperature gauge ....................................... 90
Service display .......................... 91Control indicators ......................92
Turn lights .................................. 94
Seat belt reminder .....................95
Airbag and belt tensioners .........95
Airbag deactivation ....................96
Charging system .......................96
Malfunction indicator light ..........96
Brake and clutch system ...........96
Operate pedal ............................ 97
Electric parking brake ................97
Electric parking brake fault ........97
Antilock brake system (ABS) .....97
Gear shifting .............................. 98
Power steering .......................... 98
Following distance .....................98
Lane departure warning ............98
Electronic Stability Control off ...98
Electronic Stability Control and Traction Control system ...........98
Traction Control system off .......98
Preheating ................................. 99
Exhaust filter .............................. 99
AdBlue ....................................... 99
Tyre pressure monitoring system ...................................... 99
Engine oil pressure ....................99
Low fuel ................................... 100
Immobiliser .............................. 100
Exterior light ............................ 100
High beam ............................... 100High beam assist.....................100
LED headlights ........................ 100
Front fog lights ......................... 100
Rear fog light ........................... 100
Cruise control .......................... 100
Adaptive cruise control ............101
Vehicle detected ahead ...........101
Speed limiter ........................... 101
Traffic sign assistant ................101
Door open ................................ 101
Displays ..................................... 101
Driver Information Centre ........101
Info Display .............................. 105
Vehicle messages ......................106
Warning chimes .......................107
Battery voltage ........................ 107
Vehicle personalisation ..............108
Telematics service .....................109
OnStar ..................................... 109
94Instruments and controlsOverviewOTurn signal 3 94XSeat belt reminder 3 95vAirbag and belt tensioners
3 95VAirbag deactivation 3 96pCharging system 3 96ZMalfunction indicator light
3 96RBrake and clutch system 3 96mElectric parking brake 3 97jElectric parking brake fault
3 97-Operate pedal 3 97uAntilock brake system (ABS)
3 97RGear shifting 3 98EFollowing distance 3 98cPower steering 3 98)Lane departure warning 3 98nElectronic Stability Control off
3 98bElectronic Stability Control and
Traction Control system 3 98kTraction Control system off
3 98!Preheating 3 99%Exhaust filter 3 99YAdBlue 3 99wTyre pressure monitoring
system 3 99IEngine oil pressure 3 99YLow fuel 3 100dImmobiliser 3 1008Exterior light 3 100CHigh beam 3 100fHigh beam assist 3 100fLED headlights 3 118>Fog light 3 100rRear fog light 3 100mCruise control 3 100 / Adaptive
cruise control 3 101CAdaptive cruise control 3 101AVehicle detected ahead 3 101LSpeed limiter 3 101LTraffic sign assistant 3 101hDoor open 3 101
Turn lights
O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
A turn signal or the hazard warning
flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse, failure of turn signal light on trailer.
Bulb replacement 3 247, Fuses
3 254.
Turn signals 3 119.
96Instruments and controlsAirbag deactivation
ONV illuminates yellow.
Illuminates for approx. 60 seconds
after the ignition is switched on. The
front passenger airbag is activated.
OFF * illuminates yellow.
The front passenger airbag is
deactivated 3 54.
9 Danger
Risk of fatal injury for a child using
a child restraint system together
with activated front passenger
airbag.
Risk of fatal injury for an adult
person with deactivated front
passenger airbag.
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.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too low, when manual parking brake is
not applied 3 244.
Instruments and controls979Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 197.
Operate pedal - illuminates or flashes yellow.
Illuminates
Brake pedal must be depressed to release the electric parking brake
3 197
Clutch pedal must be depressed to
start the engine in Autostop mode.
Stop-start system 3 185.
Flashes
Clutch pedal must to be depressed to start the engine with the key 3 17,
3 183.
On some versions, the message to
operate the clutch pedal is indicated
in the Driver Information Centre
3 106.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 197.
Flashes
Electric parking brake is not fully
applied or released. Switch on
ignition, depress brake pedal and
attempt to reset the system by first
releasing and then applying the
electric parking brake. If m remains
flashing, do not drive and seek the
assistance of a workshop.
Electric parking brake fault
j illuminates or flashes yellow.Illuminates
Electric parking brake is operating
with degraded performance 3 197.
Flashes
Electric parking brake is in service
mode. Stop vehicle, apply and
release the electric parking brake to
reset.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Antilock 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
106Instruments and controlsThe Info displays can indicate:● time 3 86
● outside temperature 3 86
● date 3 86
● Infotainment system, see description in the Infotainment
manual
● indication of rear view camera 3 222
● parking assist indication 3 218
● navigation, see description in the
Infotainment manual
● system messages
● settings for vehicle personalisation 3 108
R 4.0 IntelliLink
Selecting menus and settings
Menus and settings are accessed via the display.
Press X to switch on the display.
Press ; to display the homepage.
Touch required menu display icon
with the finger.
Touch a respective icon to confirm a
selection.
Touch 9 to return to the next higher
menu level.
Press ; to return to the homepage.
For further information, see
Infotainment manual.
Vehicle personalisation 3 108.
Vehicle messages
Messages are indicated mainly in the Driver Information Centre, in some
cases together with a warning chime.
Vehicle and service messages in
the Driver Information Centre
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Press SET/CLR , MENU or turn the
adjuster wheel to confirm a message.
Instruments and controls107Messages in the Info-DisplaySome important messages appear
additionally in the Info-Display. Some
messages only pop-up for a few
seconds.
Warning chimes
If several warnings appear at the same time, only one warning chime
will sound.
When starting the engine or whilst driving
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
● If seat belt is not fastened.
● If a door or the tailgate is not fully
closed when starting-off.
● If a certain speed is exceeded with parking brake applied.
● If adaptive cruise control deactivates automatically.
● If approaching a vehicle ahead too closely.●If a programmed speed or speed
limit is exceeded.
● If a warning message appears in the Driver Information Centre.
● If the parking assist detects an object.
● If an unintended lane change occurs.
● If reverse gear is engaged and the rear carrier system is
extended.
● If the exhaust filter has reached the maximum filling level.
When the vehicle is parked and/or
the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.
● If any condition for an autostart is
not fulfilled.Battery voltage
When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
1. Switch off immediately any electrical consumers which are
not required for a safe ride, e.g.
seat heating, heated rear window or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.
The warning message will disappear
after the engine has been started two
times consecutively without a voltage drop.
If the vehicle battery cannot be
recharged, have the cause of the fault
remedied by a workshop.