Page 153 of 279

Driving and operating151● The charging level of the vehiclebattery is below a defined level.
● The brake vacuum is not sufficient.
● The vehicle is driven at least at walking speed.
● The climate control system requests an engine start.
● The air conditioning is manually switched on.
If an electrical accessory, e.g. a
portable CD player, is connected to
the power outlet, a brief power drop
during the restart might be noticeable.
Parking9 Warning
● Do not park the vehicle on an
easily ignitable surface. The
high temperature of the
exhaust system could ignite the
surface.
● Always apply the parking brake.
● If the vehicle is on a levelsurface or uphill slope, engage
first gear or set the selector
lever to position P. On an uphill
slope, turn the front wheels
away from the kerb.
If the vehicle is on a downhill
slope, engage reverse gear or
set the selector lever to position
P . Turn the front wheels
towards the kerb.
● Close the windows.
● Switch off the engine.
● Remove the ignition key from the ignition switch or switch off
ignition on vehicles with power
button. Turn the steering wheel until the steering wheel lock is
felt to engage.
● Lock the vehicle.
● Activate the anti-theft alarm system.
● The engine cooling fans may run
after the engine has been
switched off 3 212.
Caution
After running at high engine
speeds or with high engine loads,
operate the engine briefly at a low load or run in neutral for
approx. 30 seconds before
switching off, in order to protect
the turbocharger.
Note
In the event of an accident with
airbag deployment, the engine is
switched off automatically if the
vehicle comes to a standstill within a
certain time.
Emergency operation under
extreme cold temperatures
9 Warning
This emergency operation may
only be carried out in case of
extremely cold temperatures and if the vehicle is parked on a levelsurface.
Page 213 of 279

Vehicle care211Caution
When transporting the vehicle on
a train or on a recovery vehicle, the
mud flaps might be damaged.
Cold protection covers
In order to prevent the accumulation
of snow at the radiator cooling fan, it is recommended to install removable
protection covers.
The protection covers must be
professionally installed, consult a
workshop.
Caution
The protection covers must be removed when one of the
following conditions occur:
● The ambient temperature is above 10 °C.
● When the vehicle is towed.
● The vehicle is driven at speeds
above 120 km/h.
Vehicle storage
Storage for a long period of time If the vehicle is to be stored for several months:
● Wash and wax the vehicle.
● Have the wax in the engine compartment and underbody
checked.
● Clean and preserve the rubber seals.
● Fill up fuel tank completely.
● Change the engine oil.
● Drain the washer fluid reservoir.
● Check the coolant antifreeze and
corrosion protection.
● Adjust tyre pressure to the value specified for full load.
● Park the vehicle in a dry, well ventilated place. Engage first or
reverse gear or set selector lever
to P. Prevent the vehicle from
rolling.
● Do not apply the parking brake.● Open the bonnet, close all doors and lock the vehicle.
● Disconnect the clamp from the negative terminal of the vehicle
battery. Beware that all systems
are not functional, e.g. anti-theft
alarm system.
Putting back into operation When the vehicle is to be put back into
operation:
● Connect the clamp to the negative terminal of the vehicle
battery. Activate the electronics
of the power windows.
● Check tyre pressure.
● Fill up the washer fluid reservoir.
● Check the engine oil level.
● Check the coolant level.
● Fit the number plate if necessary.
Page 230 of 279
228Vehicle careNo.Circuit12Diagnostic connector, power
supply transformer13Head-up display, climate
control, Infotainment system14Anti-theft alarm system, tele‐
matic unit15Automatic transmission, instru‐
ment cluster, climate control16Starter, power supply trans‐
former17Instrument cluster19Trailer socket, steering wheel
controls21Anti-theft system, power button22Rear view camera, rain and light sensor23Seat belt reminder, special
vehicle control module, start-
stop, trailer socketNo.Circuit24Parking assist, Infotainment
system, rear view camera, side
blind spot camera25Airbag26Steering angle sensor27Parking heater29Infotainment system31-32Power outlet34Parking assist, interior mirror35Diagnostic connector, headlight
range adjustment, heated wind‐ screen, climate control36Interior lights, USB portVehicle tools
Tools
Vehicles with spare wheel
Open the cover of the footwell storage
3 74.
Page 274 of 279

272Index.................................................... 229
A Accessories and vehicle modifications .......................... 210
Active emergency braking ..111, 181
Adaptive cruise control .......110, 173
AdBlue ................................ 109, 153
Adjustable air vents ...................140
Advanced parking assist ............189
Airbag and belt tensioners .........105
Airbag deactivation ..............64, 105
Airbag label................................... 59 Airbag system .............................. 59
Air conditioning regular operation ................................ 142
Air conditioning system .............. 132
Air intake .................................... 142
Air vents...................................... 140
Antilock brake system ................ 160
Antilock brake system (ABS) .....107
Anti-theft alarm system ................35
Anti-theft locking system .............. 35 Appearance care ........................245
Armrest ......................................... 51
Ashtrays ....................................... 97
Automatic anti-dazzle ..................40
Automatic light control ...............123
Automatic locking ........................28Automatic transmission .............156
Autostop ............................. 110, 148
B Battery discharge protection ......130
Battery voltage ........................... 118
BlueInjection ............................... 153
Bonnet ....................................... 212
Brake and clutch fluid .................252
Brake and clutch system ...........106
Brake assist ............................... 164
Brake fluid .................................. 215
Brakes ............................... 160, 215
Breakdown.................................. 243
Bulb replacement ....................... 218
C Capacities .................................. 262
Cargo management system ........80
Catalytic converter .....................153
Central locking system ................25
Centre console lighting ..............129
Centre console storage ...............74
Changing tyre and wheel size ...233
Charging system ........................ 105
Child locks ................................... 29
Child restraint installation locations ................................... 68
Child restraints.............................. 65
Child restraint systems ................65
Child surveillance mirror ...............40