The integrated Rear Traffic Alert provides assistance when reversing out of a parking space and
manoeuvring.
System limits
Use the lane keeping system only on paved roads.
The lane change system may interpret the traffic situation incorrectly in the following driving
situations, for example:
•In tight bends.
•When driving in the middle of two lanes.
•When road lanes are of varying width.
•At the brow of a hill.
•In poor weather conditions.
•Where there are special roadside structures, e.g. high or offset crash barriers.
You can save some settings in the user accounts of the personalisation function
⇒ Personalisation.
Driving with the lane change system
Fig. 148 In the exterior mirror housing: visual displays for the lane change system.
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Switching on and off
•By means of the Assist systems menu in the instrument cluster ⇒ Instrument cluster
operation.
•OR: depending on the vehicle equipment, by means of the button for the driver assist systems
⇒ Button for driver assist systems.
•OR: depending on the vehicle equipment, in the Driver assistance menu in the Infotainment
system ⇒ Operation and display in the Infotainment system.
When the lane change system is switched on, the yellow indicator lamp in the exterior mirror
housing lights up once briefly ⇒ Fig. 148.
This most recent system setting is retained even after the ignition has been switched off and on.
Function
When switched on, the lane change system is active from a speed of around 15 km/h (9 mphyf 7 K H
lane change system is deactivated at a vehicle speed below 10 km/h (6 mphyf .
The intelligent technology of the lane change system including Rear Traffic Alert cannot
overcome the laws of physics, and functions only within the limits of the system. Never let
the extra convenience afforded by the lane change system including Rear Traffic Alert
tempt you into taking any risks when driving. Always take care when using the lane
change system and the Rear Traffic Alert as you could otherwise cause accidents or
injuries. The system is not a substitute for the full concentration of the driver.
•Adapt your speed and distance from the vehicles ahead to suit visibility, weather, road
and traffic conditions.
•Your hands should always be on the steering wheel so that you can steer at any time.
•Pay attention to the visual displays in the exterior mirror housing and in the instrument
cluster display, and respond to the commands.
•Always pay close attention to what is happening around the vehicle.
•Never use the lane change system including Rear Traffic Alert if the radar sensors are
dirty, covered or damaged. These circumstances can impair the proper functioning of
the system.
•It may be hard to see the display in the exterior mirror in direct sunlight.
WARNING
In the following driving situations, the yellow indicator lamp lights up in the housing of the respective
exterior mirror:
•If your vehicle is being overtaken.
•When overtaking another vehicle with a speed difference of up to approximately 15 km/h
(9 mphyf 1 R G L V S O D \ Z L O O E H V K R Z Q L I W K H W D N H R Y H U P D Q R H X Y U H L V P X F K I D V W H U .
The yellow indicator lamp flashes if a possible critical situation is detected when you indicate in the
direction of the detected vehicle.
The quicker another vehicle approaches, the earlier there is a corresponding display in the exterior
mirror.
Lane change system Side Assist Plus
If the vehicle is equipped with a lane keeping system and the system is switched on, the driver is
warned by a corrective steering intervention when changing lanes during a possible critical situation
(information level, warning levelyf 7 K H V W H H U L Q J L Q W H U Y H Q W L R Q D O V R R F F X U V Z K H Q W K H W X U Q V L J Q D O L V
activated for the corresponding direction. If the steering intervention is overridden by the driver, the
steering wheel vibrates to give an additional warning.
Automatic deactivation
The lane change system will switch off automatically if the radar sensors are permanently covered.
This can be caused by a layer of ice or snow in front of the radar sensor, for example.
A text message will be shown on the instrument cluster display.
If the lane change system sensor has been automatically deactivated, the system cannot be
activated until the ignition has been switched off and back on again.
The lane change system and Rear Traffic Alert are switched off automatically when the factory-
fitted towing bracket is electrically connected with a trailer or similar ⇒ Trailer towing. The lane
change system and Rear Traffic Alert are automatically switched on again when the trailer is
unhitched from the vehicle. The lane change system and Rear Traffic Alert must be switched off
manually if a non-factory-fitted towing bracket is used.
Brightness
The brightness of the visual display will automatically adapt to the light levels.
The basic brightness level can be set in the Infotainment system ⇒ Operation and display in the
Infotainment system.
The lane change system is not active during the setting procedure.
Rear Traffic Alert
Fig. 149 Rear Traffic Alert: monitored area around the vehicle leaving the parking space.
Fig. 150 Display in the Infotainment system: Rear Traffic Alert.
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Switching on and off
•By means of the Assist systems menu in the instrument cluster ⇒ Instrument cluster
operation.
•OR: depending on the vehicle equipment, by means of the button for the driver assist systems
⇒ Button for driver assist systems.
•OR: depending on the vehicle equipment, in the Driver assistance menu in the Infotainment
system ⇒ Operation and display in the Infotainment system.
Function
Rear Traffic Alert monitors the traffic crossing behind the vehicle when reversing out of a parking
space or manoeuvring. Rear Traffic Alert functions using radar sensors in the rear bumper.
Key to ⇒ Fig. 150:
Critical situation. Do not drive on!Possible critical situation.
Detection of a critical situation can also take place acoustically:
•A warning signal will sound and a text message will be displayed in the instrument cluster for
vehicles without Park Distance Control.
•A warning signal will sound with the continuous Park Distance Control tone if Park Distance
Control is installed in the vehicle. If the Park Distance Control is deactivated, no warning can be
given to the driver and the Rear Traffic Alert system will also be switched off temporarily.
If there is a fault in the system's scanned area, the yellow indicator lamp lights up .
Automatic braking intervention to minimise damage
If Rear Traffic Alert detects an approaching road user and the driver has not pressed the brake, the
system can brake automatically.
The Rear Traffic Alert helps the driver to prevent damage by initiating an automatic braking
intervention. Automatic braking intervention takes place when reversing at speeds of between
1-12 km/h (1-7 mphyf 7 K H Y H K L F O H L V K H O G V W D W L R Q D U \ I R U X S W R W Z R V H F R Q G V D I W H U Y H K L F O H V W D Q G V W L O O K D V
been detected.
After automatic braking intervention is activated to prevent damage to the vehicle, the system
requires approximately ten seconds before it can activate another automatic braking intervention.
The automatic braking intervention can be interrupted by pressing the accelerator or brake pedal
sharply and taking control of the vehicle.
Troubleshooting
First read and observe the introductoryinformation and safety warnings⇒
Introduction
No sensor visibility, error message, system switches itself off
•Clean the radar sensors or remove stickers or accessories from the radar sensors ⇒ Caring for
and cleaning the vehicle exterior.
•Check whether any damage is visible.
The system is not responding as expected
•The radar sensors are dirty ⇒ Caring for and cleaning the vehicle exterior. The sensor visibility
may be impaired by dirt and snow or also residue from cleaning agents or coatings.
•The prerequisites for system operation must be met ⇒ System limits.
•The radar sensors are covered by water.
•The vehicle is damaged in the area of the radar sensors, e.g. caused by parking collisions.
•The detection ranges of the radar sensors are blocked by add-on parts, e.g. bicycle carriers.
•Changes have been made to the paintwork in the area of the radar sensors or structural
modifications have been made, e.g. on the vehicle front end or the running gear.
•Tinting foils have been retrofitted on the side windows.
The intelligent technology of the lane change system including Rear Traffic Alert cannot
overcome the laws of physics, and functions only within the limits of the system. Do not
let the auxiliary function of the Rear Traffic Alert tempt you to take any risks while driving
– this can cause accidents. The system is not a substitute for the full concentration of the
driver.
•Never use the system with impaired vision or in unpredictable traffic situations, e.g. on
extremely busy roads or across several lanes.
•Always pay attention to the area around the vehicle – cyclists and pedestrians are
often not clearly detected.
•The Rear Traffic Alert will not always independently bring the vehicle to a complete
stop.
WARNING
Parking and manoeuvring
Parking
Stopping the vehicle
Always park the vehicle in the specified order.
Always stop the vehicle on a suitable surface ⇒.
•Bring the vehicle to a stop. On vehicles with a manual gearbox, fully depress the clutch.
•Press and hold the brake pedal.
•With a DSG dual clutch gearbox, move the selector lever to position P.
•Switch on the electronic parking brake ⇒ Electronic parking brake.
•Stop the engine and switch off the ignition ⇒ Starting and stopping the engine. The indicator
lamp in the instrument cluster display must light up red.
•With a manual gearbox, select first gear for flat ground and uphill inclines, or reverse gear for
downhill inclines, and then release the clutch.
•Locking the steering column ⇒ Steering
•Take your left foot off the brake.
•Make sure that all vehicle occupants leave the vehicle.
•Get out of the vehicle. Take all vehicle keys with you.
•Lock the vehicle.
Parking on uphill and downhill gradients
Turn the steering wheel so that the front wheels will roll against the kerb if the parked vehicle starts
to move.
Please adhere to relevant legislation when stopping and parking your vehicle.
®
The components of the exhaust system become very hot. This can cause fires and serious
injuries.
•Never park the vehicle where parts of the exhaust system can come into contact with
inflammable material underneath the vehicle, e.g. undergrowth, leaves, dry grass, spilt
fuel, oil etc.
WARNING
The vehicle may roll away if you leave and park the vehicle incorrectly. This can cause
accidents and serious injuries.
•Before leaving the vehicle, make sure that the electronic parking brake is switched on
and that the indicator light lights up red on the instrument cluster display when
the ignition is switched off.
•Never remove the vehicle key from the ignition lock when the vehicle is in motion. The
steering lock may be activated and you will no longer be able to steer or control the
vehicle.
•Never leave children or people requiring assistance alone in the vehicle. They could
switch off the electronic parking brake, or move the selector lever or gearshift lever,
and thus set the vehicle in motion.
•Always take all vehicle keys with you every time you leave the vehicle. The engine can
be started and electrical equipment such as the window controls can be operated. This
can cause serious injury.
•Never leave children or people requiring assistance alone in the vehicle. They could
become trapped in the vehicle in an emergency and may not be able to get themselves
to safety. For example, locked vehicles may be subjected to very high or very low
temperatures depending on the season. This can cause serious injuries and illness or
fatalities, especially among small children.
WARNING
•Always take care when driving in car parks with protruding kerbstones or bollards.
Objects that protrude from the ground can damage the bumper and other components
when parking the vehicle or driving out of a parking space. Stop before the wheels
touch the fixed boundaries or kerbs.
•Drive carefully through dips in the road, over driveways, ramps, kerbstones and other
objects. Low-lying vehicle components such as the bumper, spoiler and parts of the
running gear, engine or exhaust system could be damaged.
NOTICE
Troubleshooting
Warning and indicator lamps on the instrument cluster display
Fault in electronic parking brake. Go to a qualified workshop.
Electronic parking brake does not switch off
The electronic parking brake will not switch itself off if the prerequisites for switching off are not met
or the 12-volt vehicle battery is discharged. Use jump leads ⇒ Jump starting.
Noises of the electronic parking brake
•Noises may be heard when the electronic parking brake is switched on or off.
•If the electronic parking brake has not been used for a long period, the system will carry out
occasional automatic and acoustic checks when the vehicle is parked.
Auto Hold function
Fig. 152 In the centre console: button for the Auto Hold function.
Description of the Auto Hold function
The Auto Hold function can hold the vehicle stationary. The vehicle does not have to be held on the
foot brake.
Old: The Auto Hold function is active when the indicator lamp in the button
⇒ Fig. 152 (arrowyf O L J K W V X S yellow and the indicator lamp in the instrument cluster display
lights up green.
New: The activated Auto Hold function holds the vehicle stationary when the indicator lamp
lights up green on the instrument cluster display.
The Auto Hold function stops holding the vehicle when it starts to move away.
If any of the conditions for the Auto Hold function change while the vehicle is stationary, the Auto
Hold function will switch off automatically. The green indicator lamp in the instrument cluster
display then goes out together with the yellow indicator lamp in the button.
Switching on the Auto Hold function
The Auto Hold function can be switched on when the driver door is closed and the engine has been
started.
•Press the button ⇒. The indicator lamp ⇒ Fig. 152
in the button (arrowyf O L J K W V X S yellow. The Auto Hold function is operational, but the vehicle is
not necessarily held stationary ⇒.
The incorrect use of the electronic parking brake can cause accidents and serious
injuries.
•Never use the electronic parking brake to brake the vehicle, except in emergencies.
The braking distance is considerably longer as only the rear wheels are braked. Always
use the foot brake.
•Never activate the accelerator from the engine compartment if a position or gear has
been selected and the engine is running. The vehicle could move, even if the electronic
parking brake is applied.
WARNING
Exiting the vehicle incorrectly can cause the vehicle to roll away. This can cause
accidents, serious injuries and damage to property.
•Always park the vehicle in the specified order ⇒ Parking.
•Before leaving the vehicle, make sure that the electronic parking brake is switched on
and that the indicator light lights up red on the instrument cluster display when
the ignition is switched off.
WARNING
DSG: if the gear selector lever is moved to position N, the Auto Hold function will not be switched
on or will be switched off. As a result, the vehicle will not be held securely in a stationary position ⇒
.
Holding the vehicle stationary with the Auto Hold function
•Make sure that the Auto Hold function is operational. The indicator lamp in the
button lights up yellow.
•Brake the vehicle to bring it to a standstill ⇒ Parking.
•Manual gearbox: disengage the clutch and either keep the clutch fully depressed or shift to
neutral.
•Release the brake. The indicator lamp will light up greenon the instrument cluster display.
The vehicle is being held stationary by the Auto Hold function ⇒.
Switching off the Auto Hold function
•Press the button ⇒. The indicator lamp in the button
⇒ Fig. 152 (arrowyf V Z L W F K H V R I I .
The electronic parking brake switches on automatically to hold the vehicle securely. However, the
electronic parking brake will not switch on if the brake pedal is depressed when the Auto Hold
function is switched off ⇒.
Switching off the Auto Hold function temporarily using the button
It can sometimes be necessary to turn the Auto Hold function off temporarily to enable the vehicle
to roll more easily, for example when manoeuvring.
•With the engine switched on, depress the brake pedal.
•Press the button. The Auto Hold function is deactivated.
The Auto Hold function will be reactivated as soon as the brake pedal is depressed again when the
vehicle has come to a standstill.
The system's limits
If the clutch grinds while the ignition is switched off or the driver door is open, the vehicle cannot be
secured against rolling away with the Auto Hold function or the electronic parking brake in certain
circumstances ⇒. After switching off the ignition or opening the driver door, make sure
that the indicator lampin the instrument cluster display lights up red. The electronic
parking brake is switched on.
Safety notes on the parking systems
The parking systems include the following:
•Park Distance Control ⇒ Park Distance Control.
•Rear view camera system (Rear Viewyf ⇒ Rear view camera system (Rear Viewyf.
•Park Assist ⇒ Park Assist.
•Area View ⇒ Area View.
•Trailer manoeuvring system (Trailer Assistyf ⇒ Trailer Assist
The systems available depend on the equipment in the vehicle.
Always observe and follow the general safety notes when using the parking systems.
®
The intelligent Auto Hold function cannot overcome the laws of physics, and operates
only within the limits of the system. Never let the extra convenience afforded by the Auto
Hold function tempt you into taking any risks when driving.
•Make sure that the indicator lamp in the instrument cluster display lights up green
or red if you want to hold the vehicle securely. The vehicle is being held by the
Auto Hold function if the green indicator lamp is lit and by the electronic parking brake
if the red warning lamp is lit.
•Never leave the vehicle if the engine is running and the Auto Hold function is switched
on.
•The Auto Hold function cannot hold the vehicle in all hill start situations or brake it
sufficiently on all slopes going downhill, e.g. if the ground is slippery or icy.
WARNING
Switch off the Auto Hold function before driving into a car wash. Damage may otherwise
be caused by automatic activation of the electronic parking brake.
NOTICE
Park Assist can be activated retroactively. If a suitable parking space was driven past before,
it is displayed.
Driving into a parking space
Fig. 158 On the instrument cluster display: parking perpendicular to the road. Looking for a parking
space, positioning the vehicle for parking and manoeuvring.
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Key to ⇒ Fig. 158 (reverse perpendicular parking modeyf :
Prompt to drive forward
Your vehicle
Parked vehicle or obstacle.
Parking space detected
Prompt to select reverse gear.
Prompt to press the brake pedal.
Progress bar Symbolically shows the relative distance still to be driven.
The prerequisites for parking space selection must be met ⇒ Prerequisites and the vehicle must be
stationary.
•Release the steering wheel ⇒.
•Select reverse gear when a reverse arrow appears on the instrument cluster display.
•Carefully press the accelerator.
•Brake when an acoustic signal prompting you to change direction sounds, an arrow
⇒ Fig. 158① lights up, the white symbol lights up or a message is displayed.
•Drive forwards until an acoustic signal sounds or until the prompt to reverse is shown on the
instrument cluster display.
•Repeat reversing and driving forwards until a corresponding message is displayed on the
instrument cluster. A signal tone may also sound.
Driving out of a parking space
Fig. 159 On the instrument cluster display: driving out of a parallel parking space.
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Key to ⇒ Fig. 159:
Stationary vehicle.
Your vehicle with reverse gear engaged
Progress bar. Symbolically shows the relative distance still to be driven.
Direction indicator for next manoeuvre for driving out of the parking space.
Park Assist can drive out of parallel parking spaces.
Requirements for driving out of a parking space while using Park Assist must be fulfilled
⇒ Prerequisites.
•Press the button.
•Use the turn signal and main beam lever to select the direction (left or rightyf L Q Z K L F K \ R X Z R X O G
like to drive out of the parking space.
•Select reverse gear.
•Release the steering wheel when the following message is shown: Steer. intervention active.
Check area around veh.!
•Carefully press the accelerator.
•Brake when an acoustic signal sounds, the white symbol lights up or when the prompt to
drive forwards appears on the instrument cluster display.
•Depress the brake pedal until Park Assist steering activity has been completed or until the white
symbol disappears on the instrument cluster display.
•Repeat reversing and driving forwards until a corresponding message is displayed on the
instrument cluster. A signal tone may also sound.
•Take over steering with the steering angle set by Park Assist.
•Drive the vehicle out of the parking space when permitted by the traffic situation.
Troubleshooting
First read and observe the introductoryinformation and safety warnings⇒
Introduction
No sensor visibility, error message, system switches itself off
Park Assist is switched off if a sensor fails.
•Clean the sensors or remove stickers or accessories from the sensors and cameras ⇒ Caring
for and cleaning the vehicle exterior.
•Check whether any damage is visible.
The system is not responding as expected
•The sensors are dirty ⇒ Caring for and cleaning the vehicle exterior. The sensor visibility may
be impaired by dirt and snow or also residue from cleaning agents or coatings.
•The system requirements must be met ⇒ Prerequisites.
•The sensors are covered by water.
•Park Assist cannot be switched on if the factory-fitted towing bracket is electrically connected to
the trailer. For vehicles with the trailer manoeuvring system, this function is switched on when
the button is operated ⇒ Trailer towing.
•The vehicle is damaged in the area of the sensors, e.g. caused by parking collisions.
•The detection ranges of the sensors are blocked by add-on parts, e.g. bicycle carriers.
•Changes have been made to the paintwork in the area of the sensors or structural modifications
have been made, e.g. on the vehicle front end or the running gear.
•The ultrasound signal is subject to interference from external noise sources, e.g. rough tarmac
surface or cobblestones.
Response to all circumstances
•Switch off the system temporarily.
•Check whether any of the causes described below apply.
•You can switch the system back on again once you have rectified the cause of the problem.
•If the system still fails to respond as expected, have the system checked by a qualified
workshop.
Area View
Introduction
This chapter contains information on the followingsubjects:
⇒ Prerequisites
⇒ Switching on and off
⇒ Display representation
⇒ Operating camera views
⇒ Troubleshooting
Area View provides you with an
overview of the area around the vehicle