ContentsThe fastest way to find information on a partic‐
ular topic or item is by using the index, refer to
page 258.6Notes
At a glance
14Cockpit18iDrive26Voice activation system29Integrated Owner's Manual in the vehicle
Controls
34Opening and closing53Adjusting65Transporting children safely69Driving84Displays103Lights108Safety135Driving stability control systems143Driving comfort165Climate control172Interior equipment181Storage compartments
Driving tips
188Things to remember when driving192Loading195Saving fuelMobility204Refueling206Fuel211Wheels and tires226Engine compartment228Engine oil231Coolant233Maintenance235Replacing components242Breakdown assistance248Care
Reference
254Technical data258Everything from A to Z
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▷this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modifications or changes to
these devices could void the user's authority to
operate this equipment.
Without remote control
From the outside Locking from the outside
Do not lock the vehicle from the outside
with people inside the car, as the vehicle can‐
not be unlocked from inside without special
knowledge.◀
Remove the key before pulling the door
handle
Before pulling the outside door handle, remove
the key to avoid damaging the paintwork and
the key.◀
Unlock or lock the driver's door via the door
lock using the integrated key, refer to page 34.
In some vehicle equipment versions, only the
driver's door can be unlocked or locked via the
door lock. In this case, the other doors must be
unlocked or locked from the inside.
Alarm system
With some country versions, the alarm system
is not armed if the vehicle is locked with the
integrated key.
In some country-specific versions, the alarm
system is triggered when the vehicle is un‐
locked via the door lock.
In order to terminate this alarm, unlock vehicle
with the remote control or reel on the ignition,
if needed, through emergency detection of the
remote control, refer to page 35.
From the inside
Unlocking and locking
Pressing the central locking system button
locks or unlocks the vehicle with the front
doors closed.
The vehicle is not secured against theft when
locking.
The fuel filler flap remains unlocked.
In the event of a severe accident, the vehicle is
automatically unlocked. The hazard warning
system and interior lights come on.
Unlocking and opening
▷Press the central locking system button to
unlock the doors together, and then pull
the door handle above the armrest.Seite 39Opening and closingControls39
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▷Interference of the radio connection from
mobile phones or other electronic devices
in direct proximity.
Do not transport the remote control together
with metal objects or electronic devices.
In the case of a malfunction, unlock and lock
the vehicle using the buttons of the remote
control or using the integrated key, refer to
page 39.
Adjusting
Unlocking The settings are saved in the active profile, re‐
fer to page 35.
Doors
1."Settings"2."Doors/key"3. Select the symbol.4.Select the desired function:▷"Driver's door only"
Only the driver's door and the fuel filler
flap are unlocked. Pressing again un‐
locks the entire vehicle.▷"All doors"
The entire vehicle is unlocked.
Trunk lid
Depending on optional features and country
version, this setting is not offered in some
cases.
1."Settings"2."Doors/key"3. Select the symbol.4.Select the desired function:▷"Tailgate"
The trunk lid is opened.▷"Tailgate + door(s)"The trunk lid is opened and the doors
are unlocked.
Confirmation signals from the vehicle
The settings are saved in the active profile, re‐
fer to page 35.
1."Settings"2."Doors/key"3.Deactivate or activate the desired confir‐
mation signals.▷"Acoustic sig. lock/unlock"▷"Flash when lock/unlock"
Automatic locking
The settings are saved in the active profile, re‐fer to page 35.
1."Settings"2."Doors/key"3.Select the desired function:▷"Lock if no door is opened"
The vehicle locks automatically after a
short period of time if no door is
opened.▷"Lock after start driving"
The vehicle locks automatically after
you drive off.
Retrieving the seat, mirror, and
steering wheel settings
The driver's seat, exterior mirror, and steering
wheel position adjusted last will be stored for
the active profile.
When the vehicle is unlocked, these positions
are automatically retrieved if this function was
activated.
Pinch hazard when moving back the seat
If this function is used, first make sure
that the footwell behind the driver's seat is
empty. Otherwise, people might get injured or
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Radio ready stateActivate radio-ready state:▷When the engine is running: press the
Start/Stop button.
Some electronic systems/power consumers
remain ready for operation.
The radio-ready state switches off automati‐
cally:
▷After approx. 8 minutes.▷When the vehicle is locked using the cen‐
tral locking system.▷Shortly before the battery is discharged
completely, so that the engine can still be
started.
The radio-ready state remains active if, e.g.,
the ignition is automatically switched off for the
following reasons:
▷Opening or closing the driver's door.▷Unfastening of the driver's safety belt.▷When automatically switching from low
beams to parking lights.
Starting the engine
Hints Enclosed areas
Do not let the engine run in enclosed
areas, since breathing in exhaust fumes may
lead to loss of consciousness and death. The
exhaust gases contain carbon monoxide, an
odorless and colorless but highly toxic gas.◀
Unattended vehicle
Do not leave the vehicle unattended with
the engine running; doing so poses a risk of
danger.
Before leaving the vehicle with the engine run‐
ning, set the parking brake and place the trans‐
mission in selector lever position P or N to pre‐
vent the vehicle from moving.◀
Repeated starting in quick succession
Avoid trying to start the vehicle repeat‐
edly and in quick succession. Otherwise, the
fuel is not burned or is inadequately burned,
posing a risk of overheating and damage to the
catalytic converter.◀
Do not wait for the engine to warm-up while
the vehicle remains stationary. Start driving at
moderate engine speeds.
Diesel engine
If the engine is cold and temperatures are be‐
low approx. 32 ℉/0 ℃, the start process may
be delayed somewhat due to automatic pre‐
heating.
A Check Control message is displayed.
Steptronic transmission
Starting the engine1.Depress the brake pedal.2.Press the Start/Stop button.
The ignition is activated automatically for a
certain time and is stopped as soon as the en‐
gine starts.
Manual transmission
Starting the engine
1.Depress the brake pedal.2.Press on the clutch pedal and shift to neu‐
tral.3.Press the Start/Stop button.
The ignition is activated automatically for a
certain time and is stopped as soon as the en‐
gine starts.
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Engine stop
Hints Take the remote control with youTake the remote control with you when
leaving the vehicle so that children, e.g., can‐
not start the engine.◀
Apply parking brake and further secure
the vehicle if needed.
Set the parking brake firmly when parking; oth‐
erwise, the vehicle could roll. On steep upward
and downward inclines, further secure the ve‐
hicle, e.g., by turning the steering wheel in the
direction of the curb.◀
Before driving into a car wash So that the vehicle can roll into a car wash ob‐
serve instructions for going into an automatic
car wash, refer to page 248.
Steptronic transmission
Switching off the engine1.Engage selector lever position P with the
vehicle stopped.2.Press the Start/Stop button.
The engine is switched off.
The radio-ready state is switched on.3.Set the parking brake.
Manual transmission
Switching off the engine
1.With the vehicle at a standstill, press the
Start/Stop button.2.Shift into first gear or reverse.3.Set the parking brake.Auto Start/Stop function
The concept The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, e.g., in traffic congestion or at traffic lights. The ignition remains switched on. The
engine starts again automatically for driving
off.
Automatic mode After every start of the engine using the Start/
Stop button, the Auto Start/Stop function is in
the last selected state, refer to page 73.
When the Auto Start Stop function is active, it
is available when the vehicle is traveling faster
than about 3 mph, approx. 5 km/h.
Engine stop
The engine is switched off automatically dur‐
ing a stop under the following conditions:
Steptronic transmission:▷The selector lever is in selector lever posi‐
tion D.▷The brake pedal remains pressed while the
vehicle is stationary or the vehicle is held
by Automatic Hold.▷The driver's safety belt is buckled or the
driver's door is closed.
Manual transmission:
▷Neutral is engaged and the clutch pedal is
not pressed.▷The driver's safety belt is buckled or the
driver's door is closed.
The air flow from the air conditioner is reduced
when the engine is switched off.
Displays in the instrument cluster The display indicates that the
Auto Start/Stop function is
ready for an Automatic engine
start.
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The display indicates that the
conditions for an automatic en‐
gine stop have not been met.
Note The engine is not switched off automatically in
the following situations:▷External temperature too low.▷The external temperature is high and auto‐
matic climate control is running.▷The car's interior has not yet been heated
or cooled to the required level.▷The engine is not yet at operating temper‐
ature.▷The wheels are at a sharp angle or the
steering wheel is being turned.▷After driving in reverse.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷At higher elevations.▷The engine compartment lid is unlocked.▷HDC Hill Descent Control is activated.▷The parking assistant is activated.▷Stop-and-go traffic.▷The selector lever is in position N, M/S or
R.▷Use of fuel with high ethanol content.
Starting the engine
The engine starts automatically under the fol‐
lowing conditions:
▷Steptronic transmission:
By releasing the brake pedal.
When Automatic Hold is activated: press
the accelerator pedal.▷Manual transmission:
The clutch pedal is pressed.After the engine starts, accelerate as usual.
Safety mode
After the engine switches off automatically, it
will not start again automatically if any one of
the following conditions are met.▷The driver's safety belt is unbuckled and
the driver's door is open.▷The hood was unlocked.
Some indicator lights light up for a varied
length of time.
The engine can only be started via the Start/
Stop button.
Note Even if driving off was not intended, the deacti‐
vated engine starts up automatically in the fol‐
lowing situations:
▷Excessive warming of the car's interior
when the cooling function is switched on.▷The steering wheel is turned.▷Steptronic transmission: change from se‐
lector lever position D to R, N or M/S.▷Steptronic transmission: change from se‐
lector lever position P to N, D, R or M/S.▷The vehicle begins rolling.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷Excessive cooling of the car's interior when
the heating is switched on.▷Low brake vacuum pressure; this can oc‐
cur, e.g., if the brake pedal is depressed a
number of times in succession.Seite 72ControlsDriving72
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DisplaysVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are notnecessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems.
Overview, instrument cluster
1Fuel gauge 922Speedometer3Messages, e.g. Check Control4Tachometer 925Engine oil temperature 926Electronic displays 847Reset miles 92
Electronic displays
▷Selection lists, refer to page 96.▷External temperature, refer to page 93.▷Auto Start/Stop function, refer to page 71.▷Onboard computer, refer to page 97.▷Date, refer to page 93.▷Energy recovery, refer to page 94.▷Transmission display, refer to page 82.▷Miles/trip miles, refer to page 92.Seite 84ControlsDisplays84
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▷Messages, e.g. Check Control, refer to
page 88.▷Current fuel consumption, refer to
page 93.▷Navigation display, see User's manual for
Navigation, Entertainment and Communi‐
cation.▷Range, refer to page 93.▷Status, Driving Dynamics Control, refer to
page 139.▷Service requirements, refer to page 94.▷Speed limit detection, refer to page 95.▷Time, refer to page 93.
Multifunctional instrument display
The concept
The instrument display is a variable display. In
the event of a program change, the display
rendition adapts to the respective program
through the Driving Dynamics Control. The
change of appearance can be deactivated on
the Control Display.Some of the displays in the instrument display
may differ from the way they are shown in this
Owner's Manual.
At a glance
1Fuel gauge 922Indicator/warning lights 883Speedometer4Variable displays5Tachometer 92
Selection lists 96
ECO PRO displays 1966Engine oil temperature 92Seite 85DisplaysControls85
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