Climate control125Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributionl:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by turning Z to the
desired speed.
clockwise:increaseanticlockwise:decreaseCooling A/C
Press A/C to switch on cooling. The
LED in the button illuminates to
indicate activation. Cooling is only
functional when the engine is running and fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
outside temperature is slightly above
the freezing point. Therefore,
condensation may form and drip from
under the vehicle.
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons.
Activated cooling may inhibit
Autostops.
Stop-start system 3 139.
Air recirculation system
Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press 4 again to deactivate air
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air
128Climate controlClimate setting menu can also be
displayed:
● by selecting Climate on the
7'' Colour Info Display or
● by pressing Í and then selecting
Climate from the menu on the
8'' Colour Info Display.
Automatic mode AUTO
Basic setting for maximum comfort: ● Press AUTO, the air distribution
and fan speed are regulated
automatically.
● Open all air vents to allow optimised air distribution in
automatic mode.
● Air conditioning must be activated for optimal cooling and
demisting. Press A/C to switch on
air conditioning. The LED in the
button indicates activation.
● Set the preselected temperatures for driver and front
passenger using the left and right rotary ring. Recommended
temperature is 22 °C.
Manual settings Climate control system settings can
be changed by activating the
following functions:
Fan speed ZAdjust the air flow by turning rotary
ring to the desired speed. Turn
anticlockwise to decrease or turn
clockwise to increase. Fan speed can also be changed in the climate
settings menu. Press MENU to enter
the menu.
Turn rotary ring anticlockwise as far
as it will go: fan and cooling are
switched off.
To return to automatic mode, press
AUTO .
Air distribution l, M , K
Press MENU to enter the menu.
136Driving and operating0:ignition off: some functions
remain active until key is
removed or driver's door is
opened, provided the ignition was
on previously1:ignition on power mode: ignition
is on, diesel engine is preheating, control indicators illuminate and
most electrical functions are
operable2:engine start: release key after
engine has been started
Steering wheel lock
Remove key from ignition switch and
turn steering wheel until it engages.
9 Danger
Never remove the key from
ignition switch during driving as
this will cause steering wheel lock.
Power button
The electronic key must be inside the
vehicle.
Engine start
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .Ignition on power mode without
starting the engine
Press Start/Stop without operating
clutch or brake pedal. Control
indicators illuminate and most
electrical functions are operable.Engine and ignition off
Press Start/Stop briefly in each mode
or when engine is running and vehicle
is stationary. Some functions remain
active until driver's door is opened,
provided the ignition was on
previously.Emergency shut off during driving
Press Start/Stop for 5 seconds
3 137. Steering wheel locks as soon
as vehicle is stationary.
Steering wheel lock
The steering wheel lock activates
automatically when:
● The vehicle is stationary.
● The ignition has been switched off.
To release steering wheel lock, open
and close driver's door and switch the ignition on power mode or start the
engine directly.
140Driving and operatingThe engine will be switched off while
the ignition stays on.Vehicles with automatic transmission If the vehicle is at a standstill with
depressed brake pedal, Autostop is
activated automatically.
The engine will be switched off while
the ignition stays on.
The stop-start system will be disabled
on inclines of 12% or more.
Indication
An Autostop is indicated by control
indicator D.
During an Autostop, the heating and
brake performance will be
maintained.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled.
● The stop-start system is not manually deactivated.
● The driver's door is closed or the driver's seat belt is fastened.
● The vehicle battery is sufficiently charged and in good condition.
● The engine is warmed up.
● The engine coolant temperature is not too high.
● The engine exhaust temperature is not too high, e.g. after driving
with high engine load.
● The ambient temperature is not too low or too high.
● The climate control system allows an Autostop.
● The brake vacuum is sufficient.
● The self-cleaning function of the exhaust filter is not active.
● The vehicle was driven at least at
walking speed since the last
Autostop.
Otherwise an Autostop will be
inhibited.Note
The Autostop may be inhibited for
several hours after a battery
replacement or reconnection.
Certain settings of the climate control
system may inhibit an Autostop.
Climate control 3 124.
Immediately after higher speed
driving an Autostop may be inhibited.
New vehicle running-in 3 135.
Vehicle battery discharge protection
To ensure reliable engine restarts,
several vehicle battery discharge
protection features are implemented
as part of the stop-start system.
Power saving measures
During an Autostop, several electrical
features such as auxiliary electric
heater or rear window heating are
disabled or switched to a power
saving mode. The fan speed of the
climate control system is reduced to
save power.
Driving and operating147Automatic transmission
electrified
This vehicle is a plug-in hybrid
vehicle. It has a combustion engine
and an automatic transmission with
integrated electrical engine which
enables electrical driving and
charging of the battery during the
deceleration and the braking of the
vehicle. Additionally, the battery can
be charged using a cable, e.g., at
domestic electric outlets or public
charging stations. The all-wheel drive version has a second electrical
engine for the rear axle.Gear selectionP:park position, front wheels are
locked, engage only when the
vehicle is stationary and the
parking brake is appliedR:reverse gear, engage only
when the vehicle is stationaryN/P:neutralD/B:automatic mode / automatic
mode with one-pedal driving
Do not accelerate while engaging a
gear. Never depress the accelerator
pedal and brake pedal at the same
time.
When a gear is engaged, the vehicle
slowly begins to creep when the
brake is released.Shifting in / out of P
To shift into P, press P on the selector
lever.
To shift out of P:
1. Depress brake pedal and press the release button.
2. To shift into R, push the selector
forwards beyond the point of
resistance.
To shift into D, push the selector
backwards beyond the point of
resistance.
To shift into N, push the selector
forwards or backwards without
passing the point of resistance.Shifting into R 1. Depress the brake pedal and press the release button.
2. Shift into R using the gear
selector.Shifting into / out of B
B can only be activated if D is
selected.
150Driving and operatingIn manual mode, no automatic
shifting to a higher gear takes place
at high engine revolutions.
Gear shift indication
The symbol R or S with a number
beside it is indicated when
gearshifting is recommended for fuel
saving reasons.
Shift indication appears only in
manual mode.
Electronic driving programmes
● Following a cold start, the operating temperature
programme increases engine
speed to quickly bring the
catalytic converter to the required
temperature.
● Special programmes automatically adapt the shifting
points when driving up inclines or
down hills.
● In snowy or icy conditions or on other slippery surfaces, the
electronic transmission controlenables the driver to select
manually first, second or third
gear for starting off.
Kickdown Pressing down the accelerator pedal
beyond the kickdown detent will lead
to maximum acceleration
independent of selected driving
mode. The transmission shifts to a
lower gear depending on engine
speed.
Fault
In the event of a fault a message is
displayed in the Driver Information
Centre.
Vehicle messages 3 107.
Electronic transmission control
enables only third gear. The
transmission no longer shifts
automatically.
Do not drive faster than 100 km/h.
Have the cause of the fault remedied by a workshop.Interruption of power supply
In the event of an interruption of
power supply, the selector lever
cannot be moved out of the P
position.
If the vehicle battery is discharged,
start the vehicle using jump leads
3 244.
If the vehicle battery is not the cause
of the fault, release the selector lever.
1. Apply the parking brake.
2. Release the selector lever trim from the centre console. Poke
with a finger into the leather socket below the selector lever
and push the trim upwards.
152Driving and operatingDrive systems
Drive modes The plug-in hybrid vehicle providesseveral drive modes.
The drive modes can be selected via
the drive mode selector. The selected
drive mode is indicated in the Driver
Information Centre and in the Driver
Info Display. Selecting a drive mode
is only possible if READY is displayed
in the instrument cluster.
Hybrid system active 3 96.
AWD
The all-wheel drive mode improves
the grip of the vehicle. The vehicle is
driven by front and rear axle.
Depending on the driving situation
and the charge level of the high
voltage battery, the vehicle can be
driven 100% electrically.
All-wheel drive 3 152
Sport
This mode combines the power of the combustion engine and the electrical
engine for a dynamic driving style.
Hybrid
Hybrid mode focuses on optimising
the vehicle's fuel consumption.
Combustion engine and electrical
engine operate together or in
alternation depending on driving
conditions and driving style.
Electric
In this mode, the vehicle is driven by
the electric engine only. Electric
mode is the default mode.Electric propulsion is available for
speeds below 135 km/h.
All-wheel drive The all-wheel drive system enhances
driving characteristics and stability,
and helps to achieve the best
possible driveability.
In all-wheel drive mode, the front axle is driven by the combustion engine or
the electrical engine, the rear axle is
driven by a second electrical engine.
156Driving and operatingFunctionality check
When the vehicle is not moving, the
electric parking brake might be
applied automatically. This is done to
check the system.
Fault
Failure mode of electric parking brake
is indicated by a control indicator j
and by a vehicle message which is
displayed in the Driver Information
Centre.
Vehicle messages 3 107.
Control indicator j flashes: electric
parking brake is not fully applied or
released. When continuously
flashing, release electric parking
brake and retry applying.
Brake assist If brake pedal is depressed quickly
and forcefully, maximum brake force
is automatically applied.
Operation of brake assist might
become apparent by a pulse in the
brake pedal and a greater resistance
when depressing the brake pedal.Maintain steady pressure on the
brake pedal as long as full braking is
required. Maximum brake force is
automatically reduced when brake
pedal is released.
Hill start assist The system helps prevent unintendedmovement when driving away on
inclines.
When releasing the brake pedal after
stopping on an incline, brakes remain
on for further 2 seconds. The brakes
release automatically as soon as the
vehicle begins to accelerate.
Regenerative braking
Regenerative braking generates
electrical energy resulting from
braking to charge the high voltage
battery. Regenerative power may be
limited when the high voltage battery
is fully charged.
If the selector lever is in D, energy is
recuperated when the brake pedal is
depressed.If the selector lever is in B, energy is
recuperated when the accelerator
pedal is lifted.
Automatic transmission electrified
3 147