Opening and closingVehicle features and options
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
Remote control/key General information
The vehicle is supplied with two remote con‐
trols with integrated key.
Every remote control holds a replaceable bat‐
tery.
You may set the key functions depending on
the optional features and country-specific ver‐
sion. For Settings, refer to page 47.
The vehicle stores personal settings for every
remote control. Personal Profile, refer to
page 39.
The remote controls hold information on re‐
quired maintenance. Service data in the re‐
mote control, refer to page 209Overview1Unlocking2Locking3Opening the trunk lid4Auxiliary air conditioning
Panic mode in alarm system
Integrated key
Press button, arrow 1, and remove the key, ar‐
row 2.
The integrated key fits the following locks:
▷Driver's door.▷Glove compartment on the front passenger
side.
The storage compartment contains a switch
for separately securing the trunk lid, refer to
page 45.
The front passenger glove compartment con‐
tains a switch for separately securing the trunk
lid, refer to page 45.
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Replacing the battery1.Remove integrated key from remote con‐
trol.2.Push in the catch with the key, arrow 1.3.Remove the cover of the battery compart‐
ment, arrow 2.4.Insert a battery of the same type with the
positive side facing up.5.Press the cover closed.
Take the used battery to a recycling
center or to your service center.
New remote controls New remote controls are available from the
service center.
Loss of the remote controls Lost remote controls can be disabled by your
service center.
Emergency detection of remote
control
Also in one of the following situations, the igni‐
tion can be switched on, engine started or
drive readiness activated:
▷Interference of radio transmission to re‐
mote control by external sources e.g., by
radio masts.▷Empty battery in remote control.▷Interference from radio transmissions
through mobile devices in close proximity
to remote control.▷Interference of radio transmission by
charger while charging items such as mo‐
bile devices in the vehicle.
A Check Control message is displayed if an at‐
tempt is made to switch on the ignition or start
the engine or activate engine readiness.
Starting the engine or activating drive
readiness with emergency detection
of the remote control
Steptronic transmission: if a corresponding
Check Control message appears, hold the re‐
mote control, as shown, against the marked
area on the steering column and press the
Start/Stop button within 10 seconds while
pressing the brake.
If the remote control is not recognized: slightly
change the height position of the remote con‐
trol and repeat the procedure.
Personal Profile
The concept Personal Profile provides three profiles, using
which personal vehicle settings can be stored.
Every remote control has one of these profiles
assigned.
If the vehicle is unlocked using a remote con‐
trol, the assigned personal profile will be acti‐
vated. All settings stored in the profile are au‐
tomatically applied.
If several drivers use their own remote control,
the vehicle will adjust the personal settings
during unlocking. These settings are also re‐
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Locking separatelyThe trunk lid can be locked separately with theswitch in the glove compartment. If the glove
compartment is locked, the trunk lid cannot be
opened.▷Trunk lid secured, arrow 1.▷Trunk lid not secured, ar‐
row 2.
Slide the switch into the arrow 1 position. This
secures the trunk lid and disconnects it from
the central locking system.
This is beneficial when the vehicle is parked
using valet service. The infrared remote con‐
trol can be handed out without the key.
Emergency unlocking
Pull the handle inside the cargo area.
The trunk lid unlocks.
Comfort Access
The concept The vehicle can be accessed without activat‐
ing the remote control.
All you need to do is to have the remote con‐ trol with you, such as in your pants pocket.
The vehicle automatically detects the remote
control when it is in close proximity or in the
car's interior.
Comfort Access supports the following func‐
tions:▷Unlocking/locking of the vehicle.▷Convenient closing.▷Open the trunk lid individually.▷Open trunk lid with no-touch activation.▷Start the engine.
Functional requirements
▷There are no external sources of interfer‐
ence nearby.▷To lock the vehicle, the remote control
must be located outside of the vehicle.▷The next unlocking and locking cycle is not
possible until after approx. 2 seconds.▷The engine can only be started if the re‐
mote control is in the vehicle.
Unlocking
Grasp the door handle on the driver's or front
passenger door completely, arrow.
This corresponds with pressing the button on
the remote control.
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Putting on the belt
Lay the belt, without twisting, snugly
across the lap and shoulders, as close to the
body as possible. Make sure that the belt lies
low around the hips in the lap area and does
not press on the abdomen. Otherwise, the belt
can slip over the hips in a frontal impact and in‐
jure the abdomen.
The safety belt must not lie across the neck,
rub on sharp edges, be routed over breakable
objects, or be pinched.◀
What reduces the restraining effect
Avoid wearing bulky clothing, and pull
the shoulder belt periodically to readjust the
tension. Make sure that the belt is not jammed;
otherwise, the belt can be damaged and the
restraining effect is reduced.◀
Buckling the belt
Make sure you hear the latch plate engage in
the belt buckle.
Unbuckling the belt
1.Hold the belt firmly.2.Press the red button in the belt buckle.3.Guide the belt back into its roll-up mecha‐
nism.
Safety belt reminder for driver's and
passenger's seat
The indicator lamp lights up and a sig‐
nal sounds. Make sure that the safety
belts are positioned correctly. The
safety belt reminder is active at speeds above
approx. 6 mph/10 km/h. It can also be activated
if objects are placed on the front passenger
seat.
Damage to safety belts Wear and tear after accidents or when dam‐
aged otherwise:
Have the safety belts, including the safety belt
tensioners, replaced and have the belt anchors checked.
Check and replace safety belts
This should only be done by your service
center; otherwise, this safety feature might not
work properly.◀
Front headrests Correctly adjusted head restraint
A correctly adjusted head restraint reduces the
risk of injury to cervical vertebrae in the event
of an accident.
Adjusting the head restraint
Adjust the head restraints of all occupied
seats properly; otherwise, there is an increased
risk of injury in an accident.◀
Height
Adjust the head restraint so that its center is
approximately at ear level.
Distance
Adjust the distance so that the head restraint
is as close as possible to the back of the head.
If necessary, adjust the distance by adjusting
the tilt of the backrest.Seite 58ControlsAdjusting58
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▷The transmission selector lever is in posi‐
tion M/S.▷High-voltage battery is heavily discharged
or vehicle electrical system is heavily bur‐
dened.▷High stress of the automatic climate con‐
trol in the heating or cooling phase.▷The engine compartment lid is unlocked.▷The vehicle is being optimized for the cur‐
rent driving style, for instance during the
break-in period or after a service appoint‐
ment.▷The hybrid system is malfunctioning.
Safety mode
An automatically stopped combustion engine
does not start independently when:
▷The driver's door is open and neither the
brake nor accelerator pedal are depressed.▷Unlocked hood.
The indicator lights come on. The combustion
engine can only be started via the Start/Stop
button.
Switching off the vehicle during an automatic engine stop
During an automatic engine stop, the vehicle
can be switched off permanently, e. g., when
leaving it.
1.Press the Start/Stop button.▷The ignition is switched off.▷The radio-ready state is activated.▷The Auto Start/Stop function is deacti‐
vated.▷Transmission position P is engaged
automatically.2.Set the parking brake.
Malfunction
The Auto Start/Stop function no longer
switches of the combustion engine automati‐
cally in the event of a malfunction. A message is displayed. It is possible to continue driving.
Have the system checked.
Electric driving: eDRIVE
Requirements Electric driving is possible:▷The high-voltage battery is sufficiently
charged.▷Transmission position D or R is set.▷The drive system is at operating tempera‐
ture.▷The accelerator pedal is only slightly de‐
pressed.▷The driver's door is closed.
Possible up to speed of approx. 35 mph, ap‐
prox. 60 km/h.
In ECO PRO mode, a speed up to approx.
45 mph, approx. 75 km/h is possible.
Possible cruising range
Depending on the charge of the high-voltage
battery, the vehicle can be driven using electric
power constantly for up to 2-2.5 miles/3-4 km.
CoastingThe combustion engine is automatically stop‐
ped and disengaged from the drivetrain. This
driving condition of rolling is referred to as
coasting.
Requirements Coasting is possible:
▷The high-voltage battery is sufficiently
charged.▷Transmission position D or R is set.▷The drive system is at operating tempera‐
ture.▷The driver's door is closed.Seite 71DrivingControls71
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▷Miles/trip miles, refer to page 88.▷Messages, e.g. Check Control, refer to
page 84.▷Current fuel consumption, refer to
page 89.▷Navigation display, see User's manual for
Navigation, Entertainment and Communi‐
cation.▷Range, refer to page 89.▷Status, Driving Dynamics Control, refer to
page 127.▷Service requirements, refer to page 89.▷Speed limit detection, refer to page 90.▷Time, refer to page 88.
Displays of the hybrid
system
Displays in the instrument cluster
The concept The following functions of the hybrid system
are displayed:
▷High-voltage battery charge indicator, refer
to page 82.▷Electric driving: eDRIVE.▷Acceleration boost: eBOOST, refer to
page 83.▷Energy recovery: CHARGE, refer to
page 83.▷Drive readiness: READY, refer to
page 82.
The display depends on the system's operat‐
ing condition.
Note High voltage
Even if no bars are displayed in the bat‐
tery symbol, the high-voltage system is still under high voltage.◀
High-voltage battery charge indicator
When drive readiness is switched on in COM‐
FORT mode, displays the available charge of
the high-voltage battery with bars in a battery
symbol. If five bars are shown, the high-voltage
battery is fully charged.
During normal vehicle operation, the high-volt‐
age battery is charged up to approx. 80 %.
This ensures optimum energy recovery when
braking or driving downhill.
Drive readiness: READY READY indicates drive readi‐
ness. For further information,
please refer to Drive readiness
in detail, refer to page 69.
Electric driving: eDRIVE
When driving in COMFORT or ECO PRO
modes, the power output of the electric motor
is indicated by arrows on the instrument clus‐
ter.
Depending on the position of the accelerator
pedal, up to four arrows are displayed simulta‐
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ger of a collision or the distance to the vehicle
ahead is too small.
Increase distance.
Flashing: acute warning of the imminent dan‐
ger of a collision when the vehicle approaches
another vehicle at a relatively high differential
speed.
Intervention by braking or make an evasive ma‐
neuver.
Pedestrian warning Symbol in the instrument cluster.
If a collision with a person detected in this way
is imminent, the symbol lights up and a signal
sounds.
Orange lights Active Cruise Control The number bars shows the selected
distance from the vehicle driving
ahead.
For additional information, refer to Active
Cruise Control with Stop & Go function, ACC,
refer to page 130.
Vehicle detection, Active Cruise Control Illuminated: vehicle driving ahead de‐
tected.
Flashing: the conditions are not ade‐
quate for operating the system.
The system was deactivated but applies the
brakes until you actively resume control by
pressing on the brake pedal or accelerator
pedal.Yellow lights
Anti-lock Braking System ABS Avoid abrupt braking if possible. Brak‐
ing force boost in some cases defec‐
tive. Stop carefully. Take into account
longer brake travel. Have this checked
by the service center immediately.
DSC Dynamic Stability Control Flashing: DSC controls the drive and
braking forces. The vehicle is stabi‐
lized. Reduce speed and adapt driving
profile to the driving circumstances.
Illuminated: DSC failed. Have the system
checked by the service center.
For additional information, refer to Dynamic
Stability Control DSC, refer to page 125.
DSC Dynamic Stability Control is
deactivated or DTC Dynamic Traction
Control is activated
Dynamic Stability Control DSC is
switched off or Dynamic Traction Con‐
trol DTC is switched on.
For additional information, refer to Dynamic
Stability Control, refer to page 125, and Dy‐
namic Traction Control, refer to page 126.
Flat Tire Monitor FTM The Flat Tire Monitor signals a loss of
tire inflation pressure in a tire.
Reduce your speed and stop cau‐
tiously. Avoid sudden braking and steering ma‐
neuvers.
For more information, see Flat Tire Monitor, re‐
fer to page 110.Seite 85DisplaysControls85
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Tire Pressure Monitor TPMIlluminated: the Tire Pressure Monitorsignals a loss of tire inflation pressure
in a tire.
Reduce your speed and stop cautiously. Avoid
sudden braking and steering maneuvers.
Flashing and then continuously illuminated: no
flat tire or loss of tire inflation pressure can be
detected.▷Interference through systems or devices
with the same radio frequency: after leav‐
ing the area of the interference, the system
automatically becomes active again.▷TPM could not conclude the reset: perform
the reset of the system again.▷A wheel without TPM electronics is fitted:
have the service center check it if needed.▷Malfunction: have the system checked by
your service center.
For more information, see Tire Pressure Moni‐
tor, refer to page 106.
Steering system Steering system in some cases defec‐
tive.
Have the steering system checked by
the service center.
Engine functions Have the vehicle checked by the serv‐ice center.
For additional information, refer to On-
board Diagnostics socket, refer to page 210.
Lane departure warning System is switched on and under cer‐
tain circumstances warns if a detected
lane is left without flashing beforehand.
For additional information, refer to Lane depar‐
ture warning, refer to page 120.
Green lights
Turn signal Turn signal on.
Unusually rapid flashing of the indicator
lamp indicates that a turn signal bulb
has failed.
For additional information, refer to Turn signal, refer to page 73.
Parking lights, headlight control Parking lights or headlights are acti‐
vated.
For additional information, refer to
Parking lights/low beams, headlight control, re‐
fer to page 98.
Front fog lights Front fog lights are activated.
For additional information, refer to
Front fog lights, refer to page 101.
High-beam Assistant High-beam Assistant is switched on.
High beams are activated and off auto‐
matically as a function of the traffic sit‐
uation.
For additional information, refer to High-beam
Assistant, refer to page 100.
Cruise control The system is switched on. It maintains
the speed that was set using the con‐
trol elements on the steering wheel.Seite 86ControlsDisplays86
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