98Instruments and controls9Danger
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.
Airbag system 3 58.
Belt tensioners 3 54.
Airbag deactivation 3 62.
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 briefly when the ignition is
switched on.
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.
If Z illuminates in combination with
A , stop vehicle and switch off engine
as soon as possible.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
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 immediate assistance of a
workshop.
Service vehicle soon
j illuminates yellow.
Illuminates briefly when the ignition is
switched on.
The vehicle needs a service.
May illuminate in combination with
another control indicator or a
message in the Driver Information
Centre 3 104.
Illuminates if cleaning of the diesel particle filter is required and
automatic cleaning does not occur
3 232.
Instruments and controls999Warning
Have the cause of the fault
remedied immediately by a
workshop.
Stop engine
C illuminates red.
Illuminates briefly when the ignition is
switched on.
Stop vehicle and switch off engine as soon as possible.
May illuminate in combination with
another control indicator or a
message in the Driver Information
Centre 3 104.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Brake system
R illuminates red.
Illuminates briefly when the ignition is
switched on.
R illuminates (possibly in
combination with C) if the brake fluid
level is too low 3 273 or brake system
has a fault.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Brake system 3 243.
Parking brake j illuminates red.
Control indicator j remains
illuminated when the parking brake is
applied and extinguishes when the
parking brake is released 3 244.
Antilock brake system (ABS)
u illuminates yellow.
Illuminates briefly when the ignition is switched on. The system is ready for
operation when u extinguishes.
Illuminates during driving when there
is a fault in the ABS. The brake
system remains operational but
without ABS regulation.
Antilock brake system 3 243.
Gear shifting
b or a illuminates in the Driver
Information Centre.
Illuminates when gearshifting is
recommended for fuel saving
reasons.
ECO mode 3 224.
Variable effort steering § illuminates red.
Illuminates briefly when the ignition is
switched on.
Illuminates during driving
The power steering system has a
fault.
May illuminate together with control
indicator C.
100Instruments and controls9Warning
Have the cause of the fault
remedied immediately by a
workshop.
Lane departure warning
Q illuminates yellow.
Illuminates briefly when the ignition is
switched on.
Illuminates permanently when the
system is switched off.
A warning chime sounds in
conjunction with Q when the system
recognises an unintended lane
change.
Q illuminates white in the Driver
Information Centre when the ignition
is switched on and the system is
ready to operate.
Lane departure warning 3 260.
Electronic Stability Control
b flashes or illuminates yellow.
Illuminates briefly when the ignition is switched on.
Flashing during driving
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree
3 247.
Illuminates during driving
The system is unavailable.
May illuminate together with control
indicator j 3 98. A corresponding
message also appears in the Driver
Information Centre 3 104.
ESC 3 247.
Traction Control system 3 246.
Engine coolant temperature
W illuminates blue or red.
Illuminates briefly blue when the
ignition is switched on or when engine temperature is low.Illuminates when the engine is
running
If W illuminates red (possibly in
combination with control indicator
C ), stop vehicle and allow the engine
to idle for 2 minutes. W should
extinguish, if not then switch off
engine.Caution
Coolant temperature too high.
Check coolant level 3 272.
If there is sufficient coolant, consult a workshop.
Preheating
! illuminates yellow.
Preheating is activated.Only
activates when outside temperature
is low.
AdBlue ú illuminates yellow.
102Instruments and controls9Warning
When the engine is off,
considerably more force is needed
to brake and steer. During an
Autostop the brake servo unit will still be operational.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check engine oil level 3 270.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel Y illuminates yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Fuel level in the tank is too low. Refuel
immediately.
Never run the tank dry.
Refuelling 3 262.
Catalytic converter 3 233.
Bleeding the diesel fuel system
3 275.
Stop-start system \ illuminates when an Autostop is
inhibited when certain conditions are
not fulfilled.
Ï illuminates during an Autostop.
Ï flashes if the clutch is not released
sufficiently.
Stop-start system 3 227.
Exterior light
F illuminates green.
Illuminated when the side lights are
on 3 109.
Low beam
9 illuminates or flashes green.
Illuminates
Illuminated when the headlights are on 3 109.Flashes
Fault in the lighting.
High beam P illuminates blue.
Illuminated when high beam is on and during headlight flash 3 110.
High beam assist f illuminates when the high beam
assist is activated 3 110.
Front fog lights
> illuminates green.
Illuminated when the front fog lights
are on 3 112.
Rear fog light ø illuminates yellow.
Illuminated when the rear fog light is on 3 113.
Cruise control
U , m illuminate green.
Instruments and controls103U illuminates green when the system
is on.
m illuminates green when a certain
speed is stored.
Cruise control 3 248.
Active emergency braking l illuminates or flashes red.
Illuminates
The system has been deactivated or
a fault has been detected.
Additionally, a warning message is
displayed in the Driver Information
Centre.
In case of a system fault, seek the
assistance of a workshop.
Flashes
The system is actively engaged.
Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Active emergency braking 3 252.Speed warning
Depending on vehicle and country,
$ is displayed as long as the speed
is over a set value.
Limited speed
Depending on version and country, the maximum speed is set by default.
A warning chime will sound for
10 seconds if the vehicle briefly
exceeds the set limit.
Notice
Under certain conditions (e.g. steep
inclines) the vehicle speed may
exceed the set limit.
Speed limiter 3 250.
Speed limiter
U illuminates yellow.
Illuminates when the system is on.
Speed limiter 3 250.
Tachograph & illuminates when there is a fault in
the system.Tachograph 3 108.
Door open y illuminates yellow.
Illuminates with the ignition switched
on when a door or the load
compartment is open.
106Instruments and controlsWarning chimesIf 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 3 55.
● If a certain speed is exceeded with the parking brake applied
3 244.
● If the parking assist detects an object or a fault is present
3 254.
● If the vehicle has manual transmission automated and the
clutch temperature is too high
3 240.
● If the vehicle speed briefly exceeds a set limit 3 90.
● During closing of the power sliding door 3 29.
● If the sliding door is open and the
parking brake is released 3 29.● During activation and
deactivation of alarm monitoring
of vehicle inclination 3 35.
● If the AdBlue level falls below a certain amount or a fault is
present 3 233.
● If the lane departure warning system detects an unintended
lane change and when the
system is activated 3 260.
When the vehicle is parked and /
or the driver's door is opened
● When the key is in the ignition switch.
● With exterior lights on 3 109.
● There is a fault with the power door lock system 3 28.
● If the vehicle has manual transmission automated 3 240,
the parking brake has not been
applied, neutral is not selected or
the brake pedal has not been
depressed. A corresponding
message may also appear in the
Driver Information Centre 3 104.● If the sliding side door exterior
handle is in the open position
when unlocking the vehicle 3 29.
● If the parking brake is not applied
when the power sliding door
switch is pressed 3 29.
● If the power sliding door is locked
from the inside with the child lock
active 3 29.
● If the engine is in an Autostop but
not switched off. Stop-start
system 3 227.
132Infotainment systemNAVI 50 IntelliLink
Detailed descriptions of:
● AUX input functions 3 151
● USB port (including iPod) functions 3 152
● Bluetooth music operation 3 155NAVI 80 IntelliLink
Detailed descriptions of:
● AUX input functions 3 151
● USB port functions 3 152
● Bluetooth music operation 3 155
Navigation, Map (NAVI 50 IntelliLink,
NAVI 80 IntelliLink)
Detailed description of the navigation
system 3 163, Browse map 3 182.
Phone
Use the display options in the
following menus to connect mobile
phones, make telephone calls, create
contacts lists and adjust various
settings.
Detailed description of the handsfree
phone system functions 3 192.
Radio 15 USB
To access the Phone menu: Press
6 or TEL .
To access the phone settings menu: Press TEL and select Phone settings .NAVI 50 IntelliLink
To access the Phone menu at any
time: Touch 7 followed by yPhone .NAVI 80 IntelliLink
To access the Phone menu from the
Home page, touch MENU followed by
Phone .
Vehicle information
To access the Vehicle menu from the Home page, touch MENU followed by
Vehicle .
Depending on vehicle, the following
menus are displayed:
● Eco Driving
● Onboard computer
● Settings
Eco Driving
The following features are available:
● Trip report
Displays the following data from the last journey:Average fuel consumption,
average speed, total fuel
consumption, total distance, etc.
Within the trip report, Eco
scoring provides an overall score
out of 100 for driving economy.
Higher figures indicate better
driving economy. Ratings are
also given for average
environmental driving
performance (Acceleration),
gearchanging efficiency
(Gearbox) and brake control
(Anticipation).
To save journey data: Touch
'Save' then select the journey
type from the following list:
Home/work, holiday/vacation,
weekend, trip/tour, personal.
To reset journey data: Touch
'Reset'. Confirm or cancel with
'Yes' or 'No'.
Touch < to open pop-up menu
where trip reports can be compared or to show/hide
reports after the completion of a
journey.
Driving and operating223Driving and
operatingDriving hints ............................... 224
Driving economically ...............224
Control of the vehicle ...............224
Steering ................................... 224
Starting and operating ...............225
New vehicle running-in ............225
Ignition switch positions ...........225
Starting the engine ..................226
Idle speed control ....................227
Overrun cut-off ........................ 227
Stop-start system ....................227
Parking .................................... 230
Air suspension ......................... 230
Engine exhaust .......................... 232
Diesel particle filter ..................232
Catalytic converter ...................233
AdBlue ..................................... 233
Manual transmission ..................240
Manual transmission automa‐ ted .............................................. 240
Transmission display ...............240
Starting the engine ..................241
Selector lever .......................... 241Manual mode........................... 242
Electronic driving programmes 242
Fault ........................................ 243
Interruption of power supply ....243
Brakes ........................................ 243
Antilock brake system .............243
Parking brake .......................... 244
Brake assist ............................. 245
Hill start assist ......................... 245
Ride control systems .................246
Traction Control system ..........246
Electronic Stability Control ......247
Limited-slip rear axle ...............248
Driver assistance systems .........248
Cruise control .......................... 248
Speed limiter ........................... 250
Active emergency braking .......252
Parking assist .......................... 254
Side blind spot alert .................256
Rear view camera ...................258
Lane departure warning ..........260
Fuel ............................................ 261
Fuel for diesel engines ............261
Refuelling ................................ 262
Trailer hitch ................................ 264
General information .................264
Driving characteristics and towing tips .............................. 264
Trailer towing ........................... 264Towing equipment ...................265
Trailer stability assist ...............265
Auxiliary features .......................265
Power take-off ......................... 265