
92Instruments and controlsDeployment of the belt pretensioners
or airbags is indicated by continuous
illumination of v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners 3 43.
Airbag system 3 46.
Airbag deactivation V illuminates yellow.
The front passenger airbag is
activated.
* illuminates yellow.
The front passenger airbag is
deactivated 3 51.
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. 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 3 179.

Instruments and controls95Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Refuelling 3 166.
Catalytic converter 3 137.
Bleeding the diesel fuel system
3 181.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Have the cause of the fault remedied by a repairer.
Exterior light
8 illuminates green.
The exterior lights are on 3 110.
High beam C illuminates blue.Illuminates when high beam is on or
during headlight flash 3 111 , or when
high beam is on with high beam
assist, adaptive forward lighting
3 114.
High beam assist
f illuminates green.
The high beam assist is activated
3 114.
Adaptive forward lighting
f illuminates or flashes yellow.
Illuminates
The adaptive forward lighting system
needs a service.
Seek the assistance of a workshop.
Adaptive forward lighting 3 114.
Flashes
System switched to symmetrical low
beam.Control indicator f flashes for approx.
4 seconds after the ignition is
switched on as a reminder that the
system has been activated 3 113.
Automatic light control 3 111.
Front fog lights
> illuminates green.
The front fog lights are on 3 117.
Rear fog light r illuminates yellow.
The rear fog light is on 3 117.
Cruise control
m illuminates white or green.
Illuminates white The system is on.
Illuminates green
Cruise control is active.
Cruise control 3 149.

Driving and operating127Driving and
operatingDriving hints ............................... 128
Control of the vehicle ...............128
Steering ................................... 128
Starting and operating ...............128
New vehicle running-in ............128
Ignition switch positions ...........129
Power button ........................... 130
Retained power off ..................131
Starting the engine ..................131
Overrun cut-off ........................ 133
Stop-start system ....................133
Parking .................................... 135
Engine exhaust .......................... 136
Exhaust filter ............................ 136
Catalytic converter ...................137
AdBlue ..................................... 138
Automatic transmission ..............140
Transmission display ...............140
Selector lever .......................... 141
Manual mode ........................... 142
Electronic driving programmes 142
Fault ........................................ 142
Interruption of power supply ....143Manual transmission ..................143
Drive systems ............................ 144
All-wheel drive ......................... 144
Brakes ........................................ 145
Antilock brake system .............145
Parking brake .......................... 145
Brake assist ............................. 146
Hill start assist ......................... 146
Ride control systems .................146
Traction Control system ..........146
Electronic Stability Control ......147
Descent control system ...........148
Driver assistance systems .........149
Cruise control .......................... 149
Speed limiter ........................... 151
Forward collision alert .............152
Following distance indication ...154
Parking assist .......................... 155
Rear view camera ...................157
Traffic sign assistant ................159
Lane departure warning ..........162
Fuel ............................................ 163
Fuel for petrol engines .............163
Fuel for diesel engines ............165
Fuel for liquid gas operation ....165
Refuelling ................................ 166
Trailer hitch ................................ 170
General information .................170Driving characteristics and
towing tips .............................. 170
Trailer towing ........................... 171
Towing equipment ...................171

Driving and operating137indicated by illumination of % and a
warning message in the Driver
Information Centre.
% illuminates along with a warning
message illuminates when exhaust
filter is full. Start cleaning process as
soon as possible.
% flashes along with a warning
message when exhaust filter has
reached the maximum filling level.
Start cleaning process immediately to
avoid damage to the engine.
Activate manual cleaning process
To activate cleaning process,
continue driving, keep engine speed
above 2000 rpm. Shift down if
necessary. Exhaust filter cleaning is
then started.
Cleaning takes place quickest at high engine speeds and loads.
Control indicator % extinguishes as
soon as the self-cleaning operation is
complete. Keep on driving until self-
cleaning operation is complete.Caution
If possible, do not interrupt
cleaning process. Drive until
cleaning is completed to avoid the need for service or repair by a
workshop.
Cleaning process not possible
If cleaning is not possible for anyreasons, control indicator Z
illuminates and a warning message
appears in the Driver Information
Centre. Engine power may be
reduced. Seek the assistance of a
workshop immediately.
Catalytic converter
The catalytic converter reduces the
amount of harmful substances in the
exhaust gases.
Caution
Fuel grades other than those listed on pages 3 163, 3 223 could
damage the catalytic converter or
electronic components.
Unburnt petrol will overheat and
damage the catalytic converter.
Therefore avoid excessive use of the starter, running the fuel tank
dry and starting the engine by
pushing or towing.
In the event of misfiring, uneven
engine running, a reduction in engine performance or other unusual
problems, have the cause of the fault
rectified by a workshop as soon as
possible. In an emergency, driving
can be continued for a short period,
keeping vehicle speed and engine
speed low.

240IndexAAccessories and vehicle modifications .......................... 174
Adaptive forward lighting .....95, 114
AdBlue .................................. 94, 138
Adjustable air vents ...................125
Airbag and belt tensioners ...........91
Airbag deactivation ................51, 92
Airbag label................................... 46 Airbag system .............................. 46
Air conditioning regular operation ................................ 126
Air conditioning system .............. 122
Air intake .................................... 126
Air vents...................................... 125
All-wheel drive ........................... 144
Antilock brake system ................ 145
Antilock brake system (ABS) .......93
Anti-theft alarm system ................30
Anti-theft locking system .............. 30
Appearance care ........................212
Automatic anti-dazzle ..................34
Automatic light control ...............111
Automatic locking ........................28
Automatic transmission .............140
Autostop ..................................... 133
Auxiliary heater ........................... 125B
Battery discharge protection ......120
Battery voltage ........................... 104
Bicycle rack .................................. 60
BlueInjection ............................... 138
Bonnet ....................................... 176
Brake and clutch fluid .................216
Brake and clutch system .............92
Brake assist ............................... 146
Brake fluid .................................. 179
Brakes ............................... 145, 179
Breakdown.................................. 209
Bulb replacement ....................... 182
C Capacities .................................. 228
Catalytic converter .....................137
Central locking system ................24
Centre console storage ...............60
Changing tyre and wheel size ...199
Charging system .......................... 92
Child locks ................................... 29
Child restraint installation locations ................................... 55
Child restraints.............................. 52
Child restraint systems ................52
Climate control ............................. 15
Climate control systems .............121
Clock............................................. 80
Code ........................................... 103