Press button on the remote control.
All doors and the trunk lid are locked.
Anti-theft protection is switched on. It pre‐
vents the doors from being unlocked using the
lock buttons or the door openers.
The alarm system, refer to page 50, is armed.
Switching on interior lights and
courtesy lights
Press button on the remote control with
the vehicle locked.
This function is not available, if the interior
lamps were switched off manually.
If the button is pressed again within 10 sec‐
onds after vehicle was locked, the interior mo‐
tion sensor and tilt alarm sensor of the anti-
theft warning system, refer to page 51, are
turned off. After locking, wait 10 seconds be‐
fore pressing the button again.
Panic mode
You can trigger the alarm system if you find
yourself in a dangerous situation.
Press button on the remote control for
at least 3 seconds.
To reel off the alarm: press any button.
Opening the trunk lid Press button on the remote control for
approx. 1 second.
The trunk lid opens, regardless of whether the
vehicle was previously locked or unlocked.
During opening, the trunk lid pivots back and
up. Ensure that adequate clearance is available
before opening.
Depending on the features and the country
version, it is also possible to have door un‐
locked. Create the settings, refer to page 48.
If the doors were not unlocked, the trunk lid is
locked again as soon as it closes.Do not place the remote control in the
cargo area
Take the remote control with you and do not
leave it in the cargo area; otherwise, the re‐
mote control is locked inside the vehicle when
the trunk lid is closed.◀
Switching on the headlight courtesy
delay feature
The headlight courtesy delay feature function
must be set for the remote control button. For
Settings, refer to page 48.
Briefly press the button on the remote
control.
The duration can be set in the Control Display. Malfunction
Remote control detection by the vehicle can
among others be malfunctioning under the fol‐
lowing circumstances:▷Interference of the radio connection from
transmission towers or other equipment
with high transmit power.▷Shielding of the remote control due to
metal objects.▷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 interference, the vehicle can also
be unlocked and locked from the outside with‐
out remote control, refer to page 41.
For US owners only
The transmitter and receiver units comply with
part 15 of the FCC/Federal Communication
Commission regulations. Operation is gov‐
erned by the following:
FCC ID:
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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.▷On the door to be opened, pull the door
handle twice: the first time unlocks the
door, the second time opens it. The other
doors remain locked.
Doors
Automatic Soft Closing
To close the doors, push lightly.
It is closed automatically.
Danger of jamming
Make sure that the closing path of the
doors is clear; otherwise, injuries may result.◀
Trunk lidOpening
During opening, the trunk lid pivots back and
up.
Ensure that adequate clearance is available
before opening.
Opening from the outside▷Press button on the trunk lid.▷Press button on the remote con‐
trol for approx. 1 second.
As the case may be, the doors are also un‐
locked. Unlocking with the remote control,
refer to page 40.
The trunk lid opens.
Opening from the inside With the vehicle is stationary, press
the button in the driver's footwell.
The trunk lid opens.
Manual release
All of the vehicle's keys fit the trunk lid lock, lo‐
cated in the license plate recess.
Turn the key all the way to the left. The trunk
lid unlocks.
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Alarm systemThe conceptWhen the vehicle is locked, the vehicle alarm
system responds to:▷Opening a door, the hood or the trunk lid.▷Movements in the interior.▷Changes in the vehicle tilt, e. g., during at‐
tempts at stealing a wheel or when towing
the car.▷Disconnected battery voltage.
The alarm system briefly signals tampering:
▷By sounding an acoustic alarm.▷By switching on the hazard warning sys‐
tem.▷By flashing the daytime running lights.
Arming and disarming the alarm
system
When you unlock or lock the vehicle, either
with the remote control, Comfort Access or at
the door lock the alarm system is disarmed or
armed at the same time.
Door lock and armed alarm systemUnlocking via the door lock will trigger the
alarm on some country-specific versions.
Trunk lid and armed alarm system The trunk lid can be opened even when the
alarm system is armed.
After the trunk lid is closed, it is locked and
monitored again when the doors are locked.
The hazard warning system flashes once.
Panic mode
You can trigger the alarm system if you find
yourself in a dangerous situation.
Press button on the remote control for
at least 3 seconds.
To reel off the alarm: press any button.
Indicator lamp on the interior rearview
mirror▷The indicator lamp flashes briefly every
2 seconds:
The system is armed.▷The indicator lamp flashes after locking:
The doors, hood or trunk lid is not closed
properly, but the rest of the vehicle is se‐
cured.
After 10 seconds, the indicator lamp
flashes continuously. Interior motion sen‐
sor and tilt alarm sensor are not active.
When the still open access is closed, inte‐
rior motion sensor and tilt alarm sensor will
be switched on.▷The indicator lamp goes out after unlock‐
ing:
The vehicle has not been tampered with.▷The indicator lamp flashes after unlocking
until the engine ignition is switched on, but
no longer than approx. 5 minutes:
An alarm has been triggered.
Tilt alarm sensor The tilt of the vehicle is monitored.
The alarm system responds in situations such
as attempts to steal a wheel or when the car is
towed.
Interior motion sensor The windows and glass sunroof must be
closed for the system to function properly.
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DrivingVehicle 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.
Start/Stop button, drive
readiness
The concept The following ready states can
be attained by pressing the
Start/Stop button:▷Radio ready state on/off.▷Ignition on/off.▷Activating/deactivating drive readiness.
To activate drive readiness, press the brake
pedal.
Switching radio-ready state on/off
The radio-ready state is activated by pressing
the Start/Stop button in the following situa‐
tions:
▷When the engine is running.▷When drive readiness is activated.▷When the engine is switched off automati‐
cally using the Auto Start/Stop function
and the brake is not applied.
Some electronic systems/power consumers
remain ready for operation.
Radio ready state is switched off automatically:
▷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.
Ignition on
Press the Start/Stop button, and do not press
on the brake pedal at the same time.
All vehicle systems are ready for operation.
Most of the indicator and warning lights in the
instrument cluster light up for a varied length
of time.
To save battery power when the engine is off,
reel off the ignition and any unnecessary elec‐
tronic systems/power consumers.
Note If the engine is switched off and the ignition is
switched on, the system automatically
switches to the radio-ready state with doors
open and the lights switched off or the daytime
running lights switched on.
Ignition off
Press the Start/Stop button again, and do not
press on the brake pedal at the same time.
All indicator lights in the instrument cluster go
out.
To save battery power when the engine is off,
reel off the ignition and any unnecessary elec‐
tronic systems/power consumers.
P when the ignition is switched off
P is engaged automatically when the ig‐
nition is switched off. When in an automatic car wash, e.g., ensure that the ignition is not
switched off accidentally.◀
The ignition is switched off automatically in the
following situations while the vehicle is station‐
ary and the engine is off:
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▷eDRIVE.▷DRIVE.▷eBOOST.▷CHARGE.▷System requirements of the hybrid system,
e.g., drive system not yet warmed up to
operating temperature.▷Driving requirement, e.g., transmission se‐
lector lever in the M/S position.
Adapting to the course of the road
When the navigation system destination guid‐
ance is active, hybrid operation adapts to spe‐
cific route sections.
Use of the hybrid system is optional.
Symbols in the energy flow display indicate
that a situation has been detected ahead and
hybrid operation is prepared for it.
Symbols
SymbolMeaningDownhill gradients: the system is
ready to charge the high-voltage
battery.Target zone: eDRIVE electric driving
is being prepared.
Check Control
The concept The Check Control system monitors functions
in the vehicle and notifies you of malfunctions
in the monitored systems.
A Check Control message is displayed as a
combination of indicator or warning lights and
text messages in the instrument cluster and in
the Head-up Display.
In addition, an acoustic signal may sound and a text message may appear on the Control Dis‐
play.
Indicator/warning lights
General information
The indicator and warning lights in the instru‐
ment cluster can light up in a variety of combi‐
nations and colors.
Several of the lights are checked for proper
functioning and light up temporarily when the
engine is started or the ignition is switched on.
Red lights Safety belt reminder Flashing or illuminated: safety belt onthe driver or passenger side is not
buckled. The safety belt reminder can
also be activated if objects are placed on the
front passenger seat.
Make sure that the safety belts are positioned
correctly.
Airbag system Airbag system and belt tensioner aredefective.
Have the vehicle checked by the serv‐
ice center immediately.
Parking brake The parking brake is set.
For additional information, refer to Release
parking brake, refer to page 80.
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Continue to drive moderately.
Have the vehicle checked by the serv‐ ice center immediately.
Front-end collision warning Illuminated: advance warning is issued,
e.g., when there is the impending dan‐
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 144.
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
Antilock Brake System ABS It reduces the braking distance to a
minimum during emergency stops.
Illuminated: avoid abrupt braking if pos‐
sible. Braking force boost in some
cases defective. 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 138.
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 138, and Dy‐
namic Traction Control, refer to page 139.
FTM Flat Tire Monitor The Flat Tire Monitor signals a loss of
tire inflation pressure in a tire.Seite 94ControlsDisplays94
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Reduce your speed and stop cautiously. Avoid
sudden braking and steering maneuvers.
For more information, see Flat Tire Monitor, re‐
fer to page 115.
Tire Pressure Monitor TPM Illuminated: the Tire Pressure Monitor
signals 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.▷RDC 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 117.
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 219.
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 132.
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 83.
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 107.
Front fog lights Front fog lights are activated.
For additional information, refer to
Front fog lights, refer to page 110.
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
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Cruise controlThe system is switched on. It maintains
the speed that was set using the con‐
trol elements on the steering wheel.
Automatic Hold The vehicle is automatically held in
place when it is stationary.
On inclines, the system prevents the
vehicle from rolling backward when driving off.
For more information, see Automatic Hold, re‐
fer to page 80.
Blue lights
High beams High beams are activated.
For additional information, refer to High
beams, refer to page 84.
General lamps
Check Control At least one Check Control message is
displayed or is stored (symbol in dis‐
play).
Text messages Text messages in combination with a symbol
in the instrument cluster explain a Check Con‐
trol message and the meaning of the indicator
and warning lights.
Supplementary text messages
Additional information, such as on the cause of
an error or the required action, can be called up
via Check Control.
With urgent messages the added text will be
automatically displayed on the Control Display.Symbols
Depending on the Check Control message, the
following functions can be selected.▷ "Owner's Manual"
Display additional information about the
Check Control message in the Integrated
Owner's Manual.▷ "Service request"
Contact your service center.▷ "Roadside Assistance"
Contact Roadside Assistance.
Hiding Check Control messages
Press the onboard computer button on the
turn signal lever.
▷Some Check Control messages are dis‐
played continuously and are not cleared
until the malfunction is eliminated. If sev‐
eral malfunctions occur at once, the mes‐
sages are displayed consecutively.
These messages can be faded for approx.
8 seconds. After this time, they are dis‐
played again automatically.▷Other Check Control messages are faded
automatically after approx. 20 seconds.
They are stored and can be displayed
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