steering MERCEDES-BENZ CLA 2017 Owner's Guide

R
the steering wheel is in the straight-ahead
position. R
the vehicle is stationary and the brake pedal is
depressed (left foot). R
the transmission is in position D .R
one of the drive programs S , S+ or RACE is
selected. ( Y
page 128)
Activating RACE START X
Depress the brake pedal with your left foot
and keep it depressed. X
Pull and hold both steering wheel paddle shift-
ers. X
The RACE START Confirm: Paddle UP
Cancel: Paddle DOWN message appears in
the multifunction display. X
Release both steering wheel paddle shifters.
i If the activation conditions are no longer ful-
filled, RACE START is canceled. The RACE
START Not Possible See Operator's
Manual message appears in the multifunction
display. X
To cancel: pull the left steering wheel paddle
shifter ( Y
page 135).
or X
To confirm: pull the right steering wheel pad-
dle shifter ( Y
page 135).
The RACE START Available Depress gas
pedal message appears in the multifunction
display.
i If you do not depress the accelerator pedal
within a few seconds, RACE START is can-
celed. The multifunction display shows the
RACE START Canceled message.X
Fully depress the accelerator pedal.
The engine speed is increased.
The RACE START Release brake to start
message appears in the multifunction display.
i If you do not release the brake pedal within
a short time, RACE START will be canceled.
The multifunction display shows the RACE
START Canceled message.X
Take your foot off the brake, but keep the
accelerator pedal depressed.
The vehicle pulls away at maximum acceler-
ation.
The RACE START Active message appears in
the multifunction display. RACE START is deactivated when the vehicle
reaches a speed of approximately 50 km/h.
RACE START is deactivated immediately if you
release the accelerator pedal during RACE
START or if any of the activation conditions are
no longer fulfilled. The RACE START Not Pos‐
sible or RACE START Canceled message
appears in the multifunction display.
i If RACE START is used repeatedly within a
short period of time, it is only available again
after the vehicle has been driven a certain
distance.
AMG adaptive sport suspension sys-
tem
General notes The electronically controlled damping system
works continuously. This improves driving
safety and ride comfort.
The damping is tuned individually to each wheel
and depends on: R
your driving style, e.g. sporty R
the road surface condition, e.g. bumps R
your individual selection of "Sport" or "Com-
fort"
The suspension setting is adjusted using the
corresponding button in the center console.
i The mode can also be set using the AMG
DYNAMIC SELECT controller ( Y
page 128).
Each time you start the engine with the Smart-
Key or the Start/Stop button, Comfort mode is
activated. For further information about starting
the engine, see ( Y
page 122).
Sport mode158
Driving system s
Dr ivi ng an d parking

i Parking Assist PARKTRONIC is automati-
cally activated when you turn the SmartKey to
position 2 in the ignition lock.
Problems with Parking Assist PARKTRONIC Problem
Possible causes/consequences and P Solutions
Only the red segments in
the Parking Assist
PARKTRONIC warning
displays are lit. You also
hear a warning tone for
approximately two sec-
onds.
Parking Assist
PARKTRONIC is then
deactivated and the indi-
cator lamp on the
PARKTRONIC button
lights up. Parking Assist PARKTRONIC has malfunctioned and has been deacti-
vated. X
If problems persist, have Parking Assist PARKTRONIC checked at a
qualified specialist workshop.
Only the red segments in
the Parking Assist
PARKTRONIC warning
displays are lit. Parking
Assist PARKTRONIC is
then deactivated. The Parking Assist PARKTRONIC sensors are dirty or there is inter-
ference. X
Clean the Parking Assist PARKTRONIC sensors ( Y
page 262).X
Switch the ignition back on.
The problem may be caused by an external source of radio or ultra-
sound waves. X
Check to see if Parking Assist PARKTRONIC works at a different
location.
Parking Pilot
General notes Parking Pilot is an electronic parking aid with
ultrasound. It measures the road on both sides
of the vehicle. A parking symbol indicates a suit-
able parking space. Active steering intervention
and brake application can assist you during
parking and when exiting a parking space. Park-
ing Assist PARKTRONIC is also available
( Y
page 160).
Important safety notes
Parking Pilot is only an aid. It is not a replace-
ment for your attention to your immediate sur-
roundings. You are always responsible for safe
maneuvering, parking and exiting a parking
space. Make sure that no persons, animals or
objects are in the maneuvering range. When Parking Assist PARKTRONIC is deactiva-
ted, Parking Pilot is also unavailable.
G WARNING
While parking or pulling out of a parking
space, the vehicle swings out and can drive
onto areas of the oncoming lane. This could
result in a collision with another road user.
There is a risk of an accident.
Pay attention to other road users. Stop the
vehicle if necessary or cancel the Parking Pilot
parking procedure.
! If unavoidable, you should drive over obsta-
cles such as curbs slowly and not at a sharp
angle. Otherwise, you may damage the
wheels or tires.162
Driving systems
Driving and parking

Parking Pilot may also display spaces not suita-
ble for parking, e.g.: R
where parking or stopping is prohibited R
in front of driveways or entrances and exits R
on unsuitable surfaces
Parking tips: R
On narrow roads, drive as close to the parking
space as possible. R
Parking spaces that are littered or overgrown
might be identified or measured incorrectly. R
Parking spaces that are partially occupied by
trailer drawbars might not be identified as
such or be measured incorrectly. R
Snowfall or heavy rain may lead to a parking
space being measured inaccurately. R
Pay attention to the warning messages of
Parking Pilot PARKTRONIC during the parking
procedure ( Y
page 161).R
You can intervene to correct the steering pro-
cedure at any time. Parking Pilot will then be
canceled. R
When transporting a load that protrudes from
your vehicle, you must not use Parking Pilot. R
Never use Parking Pilot when snow chains are
mounted. R
Make sure that the tire pressures are always
correct. This has a direct influence on the
parking characteristics of the vehicle.
Use Parking Pilot for parking spaces that are: R
that are parallel or at right-angles to the direc-
tion of travel R
on straight roads, not bends R
on the same level as the road, e.g. not on the
pavement
Detecting parking spaces Objects located above the detection range of
Parking Pilot will not be detected when the park-
ing space is measured. These are not taken into
account when the parking procedure is calcula-
ted, e.g. overhanging loads, truck overhangs or
loading ramps.
G WARNING
If there are objects above the detection range: R
Parking Pilot may steer in too early R
the vehicle may not stop in front of these
objects You may cause a collision as a result. There is
a risk of an accident.
If objects are located above the detection
range, stop and deactivate Parking Pilot.
For further information on the detection range
( Y
page 160).
Parking Pilot does not assist you parking in
spaces perpendicular to the direction of travel if: R
two parking spaces are located directly next
to one another R
the parking space is directly next to a low
obstacle such as a low curb R
you forward-park
Parking Pilot does not assist you parking in
spaces parallel or perpendicular to the direction
of travel if: R
the parking space is on a curb R
the system reads the parking space as being
blocked, for example by foliage or grass pav-
ing blocks R
the area is too small for the vehicle to maneu-
ver into R
the parking space is bordered by an obstacle,
e.g. a tree, a post or a trailer
C
Detected parking space on the left D
Parking symbol

R
that are parallel to the direction of travel and
at least 39.5 in (1.0 m) longer than your vehi-
cle R
that are at right angles to the direction of
travel and at least 39.5 in (1.0 m) wider than
your vehicle
i Note that Parking Pilot cannot measure the
length of a parking space if it is at right angles
to the direction of travel. You will need to
judge whether your vehicle will fit into the
parking space.
When driving at speeds below 19 mph
(30 km/h), you will see parking symbol D as a
status indicator in the instrument cluster. When
a parking space has been detected, an arrow
towards the right or the left also appears. Park-
ing Pilot only displays parking spaces on the
front-passenger side as standard. Parking
spaces on the driver's side are displayed as
soon as the turn signal on the driver's side is
activated. When parking on the driver's side,
this must remain activated until you confirm the
use of Parking Pilot by pressing the v button
on the multifunction steering wheel. The system
automatically determines whether the parking
space is parallel or at right-angles to the direc-
tion of travel.
A parking space is displayed while you are driv-
ing past it, and until you are approximately 50 ft
(15 m) away from it.
Parking
G WARNING
If you leave the vehicle when it is only being
braked by Parking Pilot, it could roll away if: R
there is a malfunction in the system or in
the voltage supply. R
the electrical system in the engine com-
partment, the battery or the fuses are tam-
pered with. R
the battery is disconnected. R
the vehicle is accelerated, e.g. by a vehicle
occupant.
There is a risk of an accident.
Before leaving the vehicle, always secure it
against rolling away.
i If Parking Assist PARKTRONIC detects
obstacles, Parking Pilot brakes automatically whilst the vehicle is parking. You are respon-
sible for braking in good time. X
Stop the vehicle when the parking space sym-
bol shows the desired parking space in the
instrument cluster. X
Shift the transmission to position R .
The Start Parking Pilot? Yes: OK No:
8 message appears in the multifunction
display. X
To cancel the procedure: press the 8
button on the multifunction steering wheel or
pull away.
or X
To park using Parking Pilot: press the v
button on the multifunction steering wheel.
The Parking Pilot Active Accelerate
and Brake Observe Surroundings mes-
sage appears in the multifunction display. X
Let go of the multifunction steering wheel. X
Back up the vehicle, being ready to brake at all
times. When backing up, drive at a speed
below approximately 6 mph (10 km/h). Oth-
erwise Parking Pilot is canceled.
Parking Pilot brakes the vehicle to a standstill
when the vehicle approaches the rear border
of the parking space.
Maneuvering may be required in tight parking
spaces.
The Parking Pilot Active Select D
Observe Surroundings message appears in
the multifunction display. X
Shift the transmission to position D while the
vehicle is stationary.
Parking Pilot immediately steers in the other
direction.
The Parking Pilot Active Accelerate
and Brake Observe Surroundings mes-
sage appears in the multifunction display.
i You will achieve the best results by waiting
for the steering procedure to complete before
pulling away. X
Drive forwards and be ready to brake at all
times.
Parking Pilot brakes the vehicle to a standstill
when the vehicle approaches the front border
of the parking space.
Maneuvering may be required in tight parking
spaces.
The Parking Pilot Active Select R
Observe Surroundings message appears in
the multifunction display.164
Driving systems
Driving and parking

As soon as the parking procedure is complete,
the Parking Pilot Ended message appears in
the multifunction display and a warning tone
sounds. The vehicle is now parked.
The vehicle is kept stationary without the driver
having to depress the brake pedal. The braking
effect is canceled when you depress the accel-
erator pedal.
Parking Pilot no longer supports you with steer-
ing interventions and brake applications. When
Parking Pilot is ended, you must steer and brake
again yourself. Parking Assist PARKTRONIC is
still available.
Parking tips: R
The way your vehicle is positioned in the park-
ing space after parking is dependent on vari-
ous factors. These include the position and
shape of the vehicles parked in front and
behind it and the conditions of the location. It
may be the case that Parking Pilot guides you
too far into a parking space, or not far enough
into it. In some cases, it may also lead you
across or onto the curb. If necessary, you
should abort the parking procedure with Park-
ing Pilot. R
You can also select preselect transmission
position D . The vehicle redirects and does not
drive as far into the parking space. Should the
transmission change take place too early, the
parking procedure will be canceled. A sensi-
ble parking posi tion can no longer be ach-
i
eved from this position.
Exiting a parking space In order for Parking Pilot to support you when
exiting the parking space: R
you need to have parked using Parking Pilot. R
the border of the parking space must be high
enough at the front and the rear. A curb stone
is too small, for example. R
the border of the parking space must not be
too wide, as the position of the vehicle must
not exceed an angle of 45° to the starting
position as it is maneuvered into the parking
space. R
a maneuvering distance of at least 3.3 ft
(1.0 m) must be available .
Parkin g Pilo t can assist you with exiting a park-
ing space only if you have parked the vehicle
parallel to the direction of travel using Parking
Pilot. i If Parking Assist PARKTRONIC detects
obstacles, Parking Pilot brakes automatically
whilst the vehicle is exiting the parking space.
You are responsible for braking in good time. X
Start the engine. X
Release the electric parking brake. X
Switch on the turn signal in the direction you
will drive out of the parking space. X
Shift the transmission to position D or R .
The Start Parking Pilot? Yes: OK No:
8 message appears in the multifunction
display. X
To cancel the procedure: press the 8
button on the multifunction steering wheel or
pull away.
or X
To exit a parking space using Parking
Pilot: press the v button on the multi-
function steering wheel.
The Parking Pilot Active Accelerate
and Brake Observe Surroundings mes-
sage appears in the multifunction display. X
Let go of the multifunction steering wheel. X
Pull away, being ready to brake at all times. Do
not exceed a maximum speed of approx-
imately 6 mph (10 km/h) when exiting a park-
ing space. Otherwise, Parking Pilot is can-
celed immediately. X
Depending on the message or as required,
shift the transmission to position D or R .
Parking Pilot immediately steers in the other
direction. The Parking Pilot Active
Accelerate and Brake Observe Sur‐
roundings message appears in the multi-
function display.
i You will achieve the best results by waiting
for the steering procedure to complete before
pulling away.
If you back up after activation, the steering
wheel is moved to the straight-ahead posi-
tion. X
Drive forwards and reverse as prompted by
the Parking Assist PARKTRONIC warning dis-
plays, several times if necessary.
Once you have exited the parking space com-
pletely, the steering wheel is moved to the
straight-ahead position. You hear a tone and the
Parking Pilot Finished message appears in
the multifunction display. You will then have to
steer and merge into traffic on your own. Park-
ing Assist PARKTRONIC is still available. You canDriving system s 165
Dr ivi ng an d parking Z

take over the steering before the vehicle has
exited the parking space completely. This is
useful, for example when you recognize that it is
already possible to pull out of the parking space.
Canceling Parking Pilot X
Stop the movement of the multifunction
steering wheel or steer yourself.
Parking Pilot is canceled immediately. The
Parking Pilot Canceled message appears
in the multifunction display.
or X
Press the PARKTRONIC button ( Y
page 161).
Parking Assist PARKTRONIC is switched off
and Parking Pilot is immediately canceled.
The Parking Pilot Canceled message
appears in the multifunction display.
Parking Pilot is canceled automatically when: R
the electric parking brake is engaged R
transmission position P is selectedR
parking using Parking Pilot is no longer pos-
sible R
you are driving faster than 6 mph (10 km/h) R
a wheel spins, ESP ®
intervenes or fails. In
such cases the

R
if the camera lens is dirty or obstructed
Observe the notes on cleaning
( Y
page 262) R
if the rear of your vehicle is damaged. In this
case, have the camera position and setting
checked at a qualified specialist workshop
The field of vision and other functions of the rear
view camera may be restricted due to additional
accessories on the rear of the vehicle (e.g.
license plate holder, bicycle rack).
Activating/deactivating the rear view
camera X
To activate: make sure that the SmartKey is
in position 2 in the ignition lock.X
Make sure that the Activation by R gear
function is selected in the multimedia system;
see the Digital Operator's Manual. X
Engage reverse gear.
The area behind the vehicle is shown with
guide lines in the multimedia system display.
The image from the rear view camera is avail-
able throughout the maneuvering process.
To deactivate: the rear view camera deacti-
vates if you shift the transmission to P or after
driving forwards a short distance.
Messages in the multimedia system dis-
play The rear view camera may show a distorted view
of obstacles, show them incorrectly or not at all.
The rear view camera does not show objects in
the following positions: R
very close to the rear bumper R
under the rear bumper R
in close range above the handle on the trunk
lid
! Objects not at ground level may appear to
be further away than they actually are, e.g.: R
the bumper of a parked vehicle R
the drawbar of a trailer R
the ball coupling of a trailer tow hitch R
the rear section of an HGV R
a slanted post
Use the guidelines only for orientation.
Approach objects no further than the bottom-
most guideline. C
Yellow guide line at a distance of approx-
imately 13 ft (4.0 m) from the rear of the
vehicle D
White guide line without turning the steering
wheel, vehicle width including the exterior
mirrors (static)

C
Yellow guide line for the vehicle width
including the exterior mirrors, for current
steering wheel angle (dynamic) X
Stop the vehicle when it is almost exactly in
front of the parking space.
The white lane should be as close to parallel
with the parking space marking as possible.
C
White guide line at current steering wheel
angleD
Parking space marking X
Turn the steering wheel to the center position
while the vehicle is stationary. C
Red guide line at a distance of approximately
12 in (0.30 m) from the rear of the vehicle D
White guide line without turning the steering
wheel

X
If necessary, take a break. X
Confirm the message by pressing the v
button on the steering wheel.
On long journeys, take regular breaks in good
time to allow yourself to rest properly. If you do
not take a break and ATTENTION ASSIST still
detects increasing lapses in concentration, you
will be warned again after 15 minutes at the
earliest. This will only happen if ATTEN-
TION ASSIST still detects typical indicators of
fatigue or increasing lapses in concentration.
Vehicles with the COMAND multimedia sys-
tem: if a warning is output in the multifunction
display, a service station search is performed in
the multimedia system. You can select a service
station and navigation to this service station will
then begin. This function can be activated or
deactivated in the multimedia system; see the
Digital Operator's Manual.
Lane Tracking package
General notes The Lane Tracking package consists of Blind
Spot Assist ( Y
page 171) and Lane Keeping
Assist ( Y
page 172).
Blind Spot Assist
General notes Blind Spot Assist monitors the areas on either
side of the vehicle that are not visible to the
driver with two lateral, rear-facing radar sen-
sors. A warning display in the exterior mirrors
draws your attention to vehicles detected in the
monitored area. If you then switch on the cor-
responding turn signal to change lane, you will
also receive an optical and audible warning.
Blind Spot Assist supports you from a speed of
approximately 20 mph (30 km/h).
Important safety notes
G WARNING
Blind Spot Assist does not react to: R
vehicles overtaken too closely on the side,
placing them in the blind spot area R
vehicles which approach with a large speed
differential and overtake your vehicle As a result, Blind Spot Assist may not give
warnings in such situations. There is a risk of
an accident.
Always observe the traffic conditions care-
fully, and maintain a safe lateral distance.
Blind Spot Assist is only an aid. It may fail to
detect some vehicles and is no substitute for
attentive driving. Always ensure that there is
sufficient distance to the side for other road
users and obstacles.
i USA only:
This device has been approved by the FCC as
a "Vehicular Radar System". The radar sensor
is intended for use in an automotive radar
system only. Removing, tampering with, or
altering the device will void any warranties,
and is not permitted by the FCC. Do not tam-
per with, alter, or use in any non-approved
way.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
Radar sensors The radar sensors for Blind Spot Assist are inte-
grated into the rear bumper. Make sure that the
bumpers are free from dirt, ice or slush. The
sensors must not be covered, for example by
cycle racks or overhanging loads. Following a
severe impact or in the event of damage to the
bumpers, have the function of the radar sensors
checked at a qualified specialist workshop.
Blind Spot Assist may no longer work properly.
Monitoring range of the sensors
In particular, the detection of obstacles can be
impaired if: R
there is dirt on the sensors or anything else
covering the sensors R
there is poor visibility, e.g. due to fog, heavy
rain or snow R
a narrow vehicle traveling in front, e.g. a
motorbike or bicycle R
the road has very wide lanes R
the road has narrow lanes R
you are not driving in the middle of the lane R
there are barriers or other road boundaries
Vehicles in the monitoring range are then not
indicated.Driving systems 171
Driving and parking Z

Blind Spot Assist monitors the area up to 10 ft
(3 m) behind your vehicle and directly next to it.
If the lanes are narrow, vehicles driving in the
lane beyond the lane next to your vehicle may be
indicated, especially if the vehicles are not driv-
ing in the middle of their lane. This may be the
case if the vehicles are driving on the inner side
of their lane.
Due to the nature of the system: R
warnings may be issued in error when driving
close to crash barriers or similar solid lane
borders. R
warnings may be interrupted when driving
alongside particularly long vehicles, e.g.
trucks, for a prolonged time.
Warning display
C
Warning display
Blind Spot Assist is not active at speeds below
approximately 20 mph (30 km/h). Vehicles in
the monitoring range are then not indicated.
When Blind Spot Assist is activated, indicator
lamp C in the exterior mirrors lights up yellow
at speeds of up to 20 mph (30 km/h). At speeds
above 20 mph (30 km/h), the indicator lamp
goes out and Blind Spot Assist is operational.
If a vehicle is detected within the blind spot
monitoring range at speeds above 20 mph
(30 km/h), warning lamp C on the correspond-
ing side lights up red. This warning is always
emitted when a vehicle enters the blind spot
monitoring range from behind or from the side.
When you overtake a vehicle, the warning only
occurs if the difference in speed is less than
7 mph (12 km/h).
The yellow indicator lamp goes out if reverse
gear is engaged. In this event, Blind Spot Assist
is no longer active. The brightness of the indicator/warning lamps
is adjusted automatically according to the ambi-
ent light.
Collision warning If a vehicle is detected in the monitoring range of
Blind Spot Assist and you switch on the corre-
sponding turn signal, a double warning tone
sounds. Red warning lamp C flashes. If the turn
signal remains on, vehicles detected are indica-
ted by the flashing of red warning lamp C .
There are no further warning tones.
Switching on Blind Spot Assist X
Make sure that Blind Spot Assist is activated
in the on-board computer ( Y
page 183).X
Turn the SmartKey to position 2 in the ignition
lock.
Warning lamps C in the exterior mirrors light
up red for approximately 1.5 seconds and
then turn yellow.
Lane Keeping Assist
General notes
Lane Keeping Assist monitors the area in front of
your vehicle by means of multifunction cam-
era C which is attached behind the top of the
windshield. Active Lane Keeping Assist detects
lane markings on the road and can warn you
before you leave your lane unintentionally.
This function is available in the range between
40 mph and 120 mph (60 km/h and 200 km/h).
A warning may be given if a front wheel passes
over a lane marking. It will warn you by means of
intermittent vibration in the steering wheel for
up to 1.5 seconds.172
Driving systems
Driving and parking