
Problems with PARKTRONIC
Problem Possible causes/consequences and
M Solutions
Only the red segments
in the PARKTRONIC
warning displays are lit.
You also hear a warning
tone for approximately
two seconds.
PARKTRONIC is deacti-
vated after approx-
imately 20 seconds,
and the indicator lamp
in the PARKTRONIC
button lights up. PARKTRONIC has malfunctioned and has switched off.
X
If problems persist, have PARKTRONIC checked at a qualified
specialist workshop. Only the red segments
in the PARKTRONIC
warning displays are lit.
PARKTRONIC is deacti-
vated after approx-
imately 20 seconds. The PARKTRONIC sensors are dirty or there is interference.
X
Cleant he PARKTRONIC sensors (Y page 330).
X Switch the ignition back on. The problem may be caused by an external source of radio or
ultrasound waves.
X See if PARKTRONIC functions in a different location. Parking Guidance
Important safety notes Parking Guidance is an electronic parking aid
with ultrasound. Ultrasound is used to meas-
ure the road on both sides of the vehicle. A
suitable parking space is indicated by the
parking symbol. You receive steering instruc-
tions when parking. You may also use PARK-
TRONIC (Y page 200). G
WARNING
Parking Guidance is merely an aid and may
recommend parking spaces that are not suit-
able for parking. For example, these might be
spaces where parking is prohibited, drive-
ways, unsuitable surfaces, etc.
Parking Guidance measures the parking
space as you drive past it. Any later changes
to the parking space are not taken into
account. For instance, this may be the case when the vehicle parked in front of or behind
the space changes its position or when an
obstacle is moved into the parking space.
Parking Guidance does not relieve you of the
responsibility for paying attention. If you rely
solely on Parking Guidance, you could cause
an accident and injure yourself and others.
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring.
G
WARNING
Objects located above the height range of
Parking Guidance will not be detected when
the parking space is measured. These are not
taken into account when the parking proce-
dure is calculated, e.g. overhanging loads, tail
sections or loading ramps of goods vehicles.
In some circumstances, Parking Guidance Driving systems
203Driving and parking
Z

might therefore issue steering instructions
too soon. This may lead to a collision. For this
reason, you should avoid using Parking Guid-
ance in such situations.
G
WARNING
Make sure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured.
When PARKTRONIC is deactivated, Parking
Guidance is also unavailable.
Use Parking Guidance for parking spaces:
R that are parallel to the directio noftravel
R that are on straight roads, not bends
R that are on the same level as the road, i.e.
not on the pavement, for example. Parking
Guidance may not detect flat kerbs
Parking tips:
R on narrow roads, drive as closely as possi-
ble pastt he parking space.
R parking spaces that are littered, overgrown
or partially occupied by trailer drawbars
might be identified incorrectly or not at all.
R snowfall or heavy rain may lead to a parking
space being measured inaccurately.
R pay attention to the PARKTRONIC
(Y page 201) warning messages during the
parking procedure.
R when transporting a load which protrudes
from your vehicle, you must not use Parking
Guidance.
R never use Parking Guidance with snow
chains or an emergency spare wheel fitted.
R make sure that the tyre pressures are
always correct.T his hasadirec teffect on
the steering instructions.
R the way you rvehicle is positioned in the
parking space after parkin gis dependent
on various factors. These include the posi-
tion and shape of the vehicles parked in
front and behind it and the conditions of the
location. In some cases, Parking Guidance
may guide you too far or not far enough into
a parking space. In some cases, it may also lead you across or onto the kerb. If neces-
sary, cancel the parking procedure with
Parking Guidance.
! If unavoidable, you should drive over
obstacles such as kerbs slowly and not at
a sharp angle. Otherwise, you may damage
the wheels or tyres.
Detecting parking spaces Example: vehicles featuring automatic transmis-
sion with a DIRECT SELECT lever
:
Detected parking space on the left
; Parking symbol
= Detected parking space on the right
Parking Guidance is automatically activated
when you drive forwards. The system is
operational at speeds of up to approximately
35 km/h. While in operation, the system inde-
pendently locates and measures parking
spaces on both sides of the vehicle. When
driving at speeds below 30 km/h, you will see
parking symbol ;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. Parking Guidance 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. To park on
the driver's side, you must leave the driver's
side turn signal switched on until you have
engaged reverse gear. 204
Driving systemsDriving and parking

Parking Guidance will only detect parking
spaces:
R
that are parallel to the direction of travel
R that are at least 1.5 m wide
R that are at least 1.3 m longer than your
vehicle
Ap arking space is displayed while you are
driving past it, and until you are approx-
imately 15 m away from it.
Parking G
WARNING
PARKTRONIC and Parking Guidance are
merely parking aids and may no tdetec tall
obstacles. They do not relieve you of the
responsibility of paying attention.
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. You could otherwise endanger
yourself and others.
X Stop the vehicle when the parking space
symbol shows the desired parking space in
the instrument cluster.
X Vehicles with manual transmission :shift to
reverse gear.
Vehicles with automatic transmission: shift
into position R.
The following message appears in the mul-
tifunction display: Check vehicle sur‐ roundings Confirm with OK .
X Press the abutton on the multifunction
steering wheel to confirm.
The multifunction display switches to Park-
ing Guidance.
Depending on your distance from the park-
ing space, the Please drive backwards message appears in the multifunction dis-
play. Example: vehicles featuring automatic transmis-
sion with a DIRECT SELECT lever
X
If necessary, reverse towards the parking
space. This is indicated by an arrow point-
ing backwards.
Continue reversing until you hear a tone.
Stop –the parking position has been
reached. The arrow is white.
The Please steer to the right or
Please steer to the left message
appears in the multifunction display. Example: vehicles featuring automatic transmis-
sion with a DIRECT SELECT lever
X
While the vehicle is stationary, turn the
steering wheel in the specified direction
until the arrow is white and a warning tone
sounds.
X To reverse into the parking space: main-
tain the steering wheel angle and reverse
carefully.
X Stop as soon as you hear a warning tone,
The vehicle has reached the position in
which you need to countersteer.
The Please steer to the left or
Please steer to the right message
appears in the multifunction display.
X Countersteering: while the vehicle is sta-
tionary, turn the steering wheel in the
specified direction until the arrow is white
and a warning tone sounds. Driving systems
205Driving and parking Z

X
To reverse into the parking space: main-
tai nt he steering wheel angle and reverse
carefully.
X Stop as soon as you hear a warning tone,
at the latest when PARKTRONIC sounds the
continuous warning tone.
The Parking Guidance finished mes-
sage appears in the multifunction display
and a warning tone sounds. You may be
asked to steer in adifferent direction and
the nchange gear. In this case, further dis-
plays in the multifunction display will direct
you to the final position.
X Manoeuvre if necessary.
X Always observe the warning messages dis-
played by PARKTRONIC (Y page 201).
Cancelling Parking Guidance X
Press the PARKTRONIC button on the
centre console (Y page 202).
Parking Guidance is cancelled immediately
and PARKTRONIC is deactivated.
Parking Guidance is cancelled automatically
if it is no longer possible to guide you into the
parking space, or if a malfunction occurs.
The parking space symbol goes out and a
warning tone sounds. The Parking Guid‐ance cancelled message appears in the
multifunction display.
Towing atrailer For vehicles with a trailer tow hitch, the min-
imum length for parking spaces is slightly
increased.
If you have attached a trailer to your vehicle,
you should not use Parking Guidance. When
the electrical connectio
nis established
between your vehicle and the trailer, Parking
Guidance ceases to be available. PARK-
TRONIC is deactivated for the rear area. Reversing camera
Important safety notes The reversing camera is an optical parking
aid. It shows the area behind your vehicle in
the COMAND display.
G
WARNING
Make sure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured.
The reversing camera is located in the handle
strip of the boot lid/tailgate. Example: Saloon
:
Reversing camera
View through the camera The area behind the vehicle is displayed as a
mirror image, as in the rear-view mirror.
G
WARNING
The reversing camera is only an aid and may
display obstacles in a distorted or incorrect
manner, or may not even display them at all.
The reversing camera does not relieve you of
the responsibility to pay attention. The cam-
era cannot show objects:
R very near to the rear bumper
R below the rear bumper
R in the area immediately above the boot lid
handle/tailgate handle recess
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and 206
Driving systemsDriving and parking

manoeuvring. This applies to the areas
behind, in front of and next to the vehicle. You
could otherwise endange ryourself and oth-
ers. G
WARNING
Under the following circumstances, the
reversing camera will not function, or will
function in a limited manner:
R if the boot lid/tailgate is open
R in heavy rain, snow or fog
R at night or in very dark places
R if the camera is exposed to very bright light
R if the area is lit by fluorescent light (the dis-
play may flicker)
R if there is a sudden change in temperature,
e.g. when driving into a heated garage in
winter
R if the camera lens is dirty or obstructed
R if the rear of your vehicle is damaged. In this
event, have the camera position and setting
checked at a qualified specialist workshop.
Mercedes-Benz recommends that you use
a Mercedes-Benz Service Centre for this
purpose.
Do not use the reversing camera in these
types of situation. You could otherwise injure
others or damage objects and your vehicle
while you are parking.
Activating the reversing camera X
Make sure that the key is in position 2in
the ignition lock.
X Make sure that the "Reversing camera"
function is selected in COMAND APS (see
the separate operating instructions for
COMAND APS).
X Engage reverse gear.
The area behind the vehicle is shown in the
COMAND display. ATTENTION ASSIST
Important safety notes ATTENTION ASSIST helps you during long,
monotonous journeys such as on motorways
and trunk roads. It is active in the 80 km/h
to 180 km/h range.
If ATTENTION ASSIST detects typical indica-
tors of fatigue or increasing lapses in con-
centration on the part of the driver, it sug-
gests taking a break.
G
WARNING
ATTENTION ASSIST is only an aid and may
detect your tiredness or lapses in concentra-
tion too late or not at all. It is not asubstitute
for a well rested and attentive driver.
Fatigue may cause you to recognise hazard-
ous situations too late, misjudge a situation
or react slower. For this reason, make sure
you feel rested before you begin driving and
during your journey. Always take breaks in
good time and regularly, especially during
long journeys. Otherwise, you may fail to rec-
ognise dangers in time, cause an acciden tand
injure yoursel fand others.
ATTENTIO NASSIST assesses your level of
fatigue or lapses in concentration by taking
the following criteria into account:
R your personal driving style, e.g. steering
characteristics
R journey-related parameters, e.g. time of
day, length of journey
The functionality of ATTENTION ASSIST is
restricted, and warnings may be delayed or
not occur at all:
R if the road condition is poor, e.g. if the sur-
face is uneven or if there are potholes
R if there is a strong sid ewind
R if you have adopted a sporty driving style
with high cornering speeds or high rates of
acceleration
R if you are predominantly driving slower
than 80 km/h or faster than 180 km/h Driving systems
207Driving and parking Z

R
if you are currently using COMAND APS or
making a telephone call with COMAND APS
R if the time has been set incorrectly
R in active driving situations, such as when
you change lanes or change your speed
Warning and display messages in the
multifunction display Example: vehicles featuring automatic transmis-
sion with a DIRECT SELECT lever
X Activate ATTENTION ASSIST using the on-
board computer (Y page 242).
Symbol :appears in the multifunction
display.
If ATTENTION ASSIST is active, you will be
warned no sooner than 20 minutes after your
journey has begun. You will the nhear an
intermittent warning tonet wice, and the
Attention Assist: Time for a break? message appears in the multifunction dis-
play.
X
If necessary, take a break.
X Press the abutton to confirm th emes-
sage.
On long journeys, take regular breaks in good
time to allow yourself to rest properly. If you
do not take a break, you will be warned again
after 15 minutes at the earliest. This will only
happen if ATTENTION ASSIST still detects
typical indicators of fatigue or increasing lap-
ses in concentration.
ATTENTION ASSIST is reset and starts
assessing your tiredness again when you con-
tinue your journey if:
R you switch off the engine.
R you take off your seat belt and open the
driver's door, e.g. for a change of drivers or
to take a break. Speed Limit Assist
Important safety notes Speed Limit Assist shows you detected speed
limits in the multifunction display. Data from
the navigation system is also used for this
purpose. If a traffic sign indicating a speed
limit or the end of a speed limit is detected,
it is shown in the multifunction display. If
Speed Limit Assist does not detec tany traffic
signs, the speed limit from the digital road
map is take nand shown in the display.
Speed Limit Assist detects the traffic signs
with a camera attached behind the top of the
windscreen. :
Speed Limit Assist camera G
WARNING
Speed Limit Assist is onl yanaid and may
detect speed limit signs incorrectly or not at
all.
The system may be impaired or may not func-
tion if:
R there is poor visibility, e.g. due to snow,
rain, fog or spray.
R there is glare, e.g. from the sun or from
oncoming traffic.
R the windscreen is dirty, misted up or cov-
ered, for instance by a sticker, in the vicinity
of the camera.
R the traffic signs are covered, for instance
by dirt, snow or trees. 208
Driving systemsDriving and parking

R
the traffi csigns are poorly illuminated.
R there are ambiguous traffic signs, for
instance near roadworks or on multi-lane
roads.
Traffic signs always have priority over the
Speed Limit Assist display. Speed Limit Assist
cannot detect road and traffic conditions. It is
not a substitute for attentive driving.
Always pay attention to traffic conditions and
your surroundings. Otherwise, you may fail to
recognise dangers in time, cause an accident
and injure yourself and others.
Information in the multifunction display Example: vehicles featuring automatic transmis-
sion with a DIRECT SELECT lever
: Traffic sign indicating aspeed limit or the
end of a speed limit (example)
; Speed Limit Assist is available and the
warning function is switched on in the on-
board computer
= Units used in the traffic sign displayed
Briefly showing detected traffic signs in
the multifunction display
X Activate the Speed Limit Assist warning
function using the on-board computer
(Y page 240).
Symbol ;appears.
At raffic sign indicating a speed limi torthe
end of a speed limit :appears in the mul-
tifunction display for around five seconds
as soon as it is detected. Any other infor-
mation in the multifunction display is hid-
den for this period. Permanently showing detected traffic
signs in the multifunction display
X
Display Speed Limit Assist using the on-
board computer (Y page 240).
At raffic sign indicating a speed limi torthe
end of a speed limit :appears in the mul-
tifunction display as soon as it is detected.
Traffic sign indicating a speed limit :is
generally displayed until:
R a traffic sign indicating the end of the
speed limit is detected.
R you make a turn.
R you leave or enter a town.
R the road type changes (e.g. motorway,
country road).
R you have travelled a certain minimum
distance without the traffic sign being
repeated or detected again. Night View Assist Plus
Important safety notes In addition to the illumination provided by the
normal headlamps, Night View Assist Plus
uses infrared light to illuminate the road. The
Night View Assist Plus camera picks up the
infrared light and displays
amonochrome
image in COMAND. The image displayed in
COMAND corresponds to a road lit up by
main-beam headlamps. This enables you to
see the road's course and any obstacles in
good time. When pedestrian recognition is
active, pedestrians recognised by the system
are highlighted in the Night View Assist Plus
display. G
WARNING
Night View Assist Plus is only an aid designed
to assist driving and does not relieve you of
the responsibility to pay attention. Continue
to look through the windscreen instead of
relying on the Night View Assist Plus display.
You are responsible for safety and must drive
in accordance with traffic conditions. You Driving systems
209Driving and parking
Z

could otherwise endanger yoursel
fand oth-
ers.
The system may be impaired or may not func-
tion if:
R there is poor visibility, e.g .due to snow,
rain, fog or spray.
R the windscree nis dirty, misted up or cov-
ered, for instance by a sticker, in the vicinity
of the camera.
R on bends, on uphill gradients or downhill
gradients.
Light from the headlamps of oncoming vehi-
cles does not affect the Night View Assist Plus
display in the multifunction display. This is
also the case if you cannot switch on the
main-beam headlamps due to oncoming traf-
fic. G
WARNING
Night View Assist Plus does not detect
objects in the immediate vicinity of the vehi-
cle. Look through the windscreen when
manoeuvring. Make sure that there are no
people or animals in the area in which you are
manoeuvring.
i Infrared light is not visible to the human
eye and therefore does not dazzle. Night
View Assist Plus can therefore remain
switched on even if there is oncoming traf-
fic. :
Night View Assist Plus camera Activating Night View AssistP
lus You can only activate Night View Assist Plus
if:
R
the key is in position 2in the ignition lock.
R it is dark.
R the light switch is in the ÃorL posi-
tion.
R reverse gear has not been engaged.
X Make sure that COMAN DAPS is switched
on.
X Press button :.
The Night View Assist Plus display appears
in the COMAND display. :
Night View Assist Plus display
; Pedestrian recognised
= Framing
? Symbol for active pedestrian recognition
You can read about how to adjust the bright-
ness of the COMAND display in the COMAND
APS operating instructions.
i The infrared headlamps only switch on
when the vehicle is being driven at speeds 210
Driving systemsDriving and parking