2013 MERCEDES-BENZ SLK-Class page 73

Cruise control lever
There are several ways to deactivate
DISTRONIC PLUS:
X Briefly press the cruise control lever
forwards 0003.
or
X Brake, unless the vehicle is stationary.
When you deactivate DISTRONIC PLUS, you
will see the DISTRONIC PLUS Off message
in the multifunction display for approximately
five seconds.
i The last speed stored remains stored until
you switch off the engine.
i DISTRONIC PLU Sis not deactivated if you
depress the accelerator pedal.Ify ou
accelerate to overtake, DISTRONIC PLUS
adjusts the vehicle's speed to the last
speed stored after you have finished
overtaking.
DISTRONIC PLUS is automatically
deactivated if:
R you engage the electric parking brake or if
the vehicle is automatically secured with
the electric parking brake.
R you are driving slower than 15 mph
(25 km/h) and there is no vehicle in front,
or if the vehicle in front is no longer
detected.
R ESP ®
intervenes or you deactivate ESP ®
.
R the transmission is in the P,Ror Nposition.
R you switch off the radar sensor system
(Y page 206). R
you pull the cruise control lever towards
you in order to pull away and the front-
passenger door is open.
R the vehicle has skidded.
If DISTRONIC PLUS is deactivated, you will
hear a warning tone. You will see the
DISTRONIC PLUS Off message in the
multifunction display for approximately five
seconds.
Tips for driving with DISTRONIC PLUS Important safety notes
G
WARNING
The DISTRONIC PLUS works to maintain the
speed selected by the driver unless a moving
obstacle proceeding directly ahead of it in the
same travel direction is detected (e.g.
following another vehicle ahead of you at your
set distance).
This means that:
R Your vehicle can pass another vehicle after
you have changed lanes.
R While in a sharp turn or if the preceding
vehicle is in a sharp turn, the DISTRONIC
PLUS could lose sight of the preceding
vehicle. Your vehicle could then accelerate
to the previously selected speed.
The DISTRONIC PLUS regulates only the
distance between your vehicle and those
directly ahead of it. It may not register
stationary objects in the road, e.g.:
R a stopped vehicle in a traffic jam
R a disabled vehicle
R an oncoming vehicle
The driver must always be alert, observe all
traffic and intercede as required by means of
steering or braking the vehicle. G
WARNING
The DISTRONIC PLUS should not be used in
snowy or icy road conditions.
The following contains descriptions of certain
road and traffic conditions in which you must 174
Driving systemsDriving and parking

PARKTRONIC monitors the area around your
vehicle using six sensors in the frontb umper
and four sensors in the rear bumper.
Range of the sensors General notes
0003
Example: sensors in the front bumper,
left-hand side Side view
Top view
The sensors must be free from dirt, ice or
slush .They can otherwise not function
correctly. Cleant he sensors regularly, taking care not to scratch or damage them
(Y
page 285).
Front sensors Center Approx. 40 in (approx.
100 cm)
Corners Approx. 24 in (approx.
60 cm)
Rear sensors
Center Approx. 48in (approx.
120cm)
Corners Approx. 32 in (approx.
80 cm)
Minimum distance
Center Approx. 8in (approx. 20cm)
Corners Approx.
6in (approx.
15 cm) If
there is an obstacle withi nthis range, the
relevant warning displays light up and a
warning tone sounds. If the distance falls
below the minimum, the distance may no
longer be shown.
Warning displays Warning display for the front area
0003
Segments on the left-hand side of the
vehicle
0004 Segments on the right-hand side of the
vehicle
0024 Segments showing operational readiness Driving systems
179Driving and parking Z

Problems with PARKTRONIC
Problem Possible causes/consequences and
0001 Solutions
Only the red segments
in the PARKTRONIC
warning displays are lit.
You also hear a warning
tone for approximately
two seconds.
PARKTRONIC is
deactivated after
approximately
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
deactivated after
approximately five
seconds. The PARKTRONIC sensors are dirty or there is interference.
X
Cleant he PARKTRONIC sensors (Y page 285).
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 G
WARNING
Parking Guidance is merely an aid and may
display parking spaces that are not suitable
for parking, for example:
R no-parking areas
R parking spaces with unsuitable surfaces
(road surface)
R driveways
R entrances and exits
Parking Guidance detects and measures
potential parking spaces while driving past.
Changes to the parking space after this point
are not taken into account, for example if the
vehicle in front of or behind the parking space
changes position or objects in the parking
space are moved. Even when using Parking Guidance, you are
still responsible for driving carefully. If you
rely on Parking Guidance alone, you could
cause an accident and injure yourself and
others.
Safety always remains your responsibility and
you must continue paying careful attention to
your immediate surroundings when parking
and maneuvering.
G
WARNING
Objects located above the height range of
Parking Guidance will not be detected when
the parking space is measured. These objects
are not taken into account when the parking
procedure is calculated, e.g. overhanging
loads, tail sections or loading ramps of goods
vehicles. Under some circumstances, Parking
Guidance might therefore issue steering
instructions too soon. This may lead to a Driving systems
181Driving and parking
Z

collision. For this reason, you should avoid
using Parking Guidance in such situations.
G
WARNING
Make sure that no persons or animals are in
the maneuvering range. Otherwise, they
could be injured.
! Pay particula rattention to low objects or
objects with flat surfaces ,such as trailer
drawbars, posts, cross beams and curbs.
These types of objects canno tbe detected
by Parking Guidance and may damage the
vehicle.
! If unavoidable, you should drive over
obstacles such as curbs slowly and not at
a sharp angle. Otherwise, you may damage
the wheels or tires.
Parking Guidance is an electronic parking aid
with ultrasound. Ultrasound is used to
measure the road on both sides of the vehicle.
As uitable parking space is indicated by the
parking symbol. You receive steering
instructions when parking .You may also use
PARKTRONIC (Y page 178).
When PARKTRONIC is deactivated, Parking
Guidance is also unavailable.
Use Parking Guidance for parking spaces:
R that are parallel to the direction of travel
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 curbs
Parking tips:
R on narrow roads, drive past the parking
space as close as possible.
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 179) 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
mounted.
R make sure that the tire pressures are
always correct. This has adirec 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
position 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 curb. If necessary, cancel the parking
procedure with Parking Guidance.
Detecting aparking space 0003
Detected parking space on the left
0004 Parking symbol
0024 Detected parking space on the right
Parking Guidance is automatically activated
whe nyou drive forwards. The system is
operational at speeds of up to approximately
22 mph (35 km/h). While in operation, the
system independently locates and measures
parking spaces on both sides of the vehicle.
When driving at speeds below 19 mph
(30km/h), you will see parking symbol 0004as
a status indicator in the instrument cluster. 182
Driving systemsDriving and parking

until the arrow is white and a warning tone
sounds.
X To reverse into the parking space:
maintai nthe 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 Wheel to the Right or
Please Steer Wheel to the Left message appears in the multifunction
display.
X Countersteering: 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:
maintain the 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 message appears in the multifunction
display and a tone sounds. You may be
asked to steer in
adifferent direction and
the nchange gear. In this case, further
displays in the multifunction display will
direct you to the final position.
X Maneuver if necessary.
X Always observe the warning messages
displayed by PARKTRONIC (Y page 179).
Canceling Parking Guidance X
Press the PARKTRONIC button on the
center console (Y page 180).
Parking Guidance is canceled immediately
and PARKTRONIC is deactivated.
Parking Guidance is canceled 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 ParkingGuidance Canceled message appears in the
multifunction display. ATTENTION ASSIST
Important safety notes G
WARNING
The ATTENTION ASSIST is only an aid to the
driver. It might not recognize fatigue or
increasing inattentiveness in time or fail to
recognize them at all. The system cannot
substitute a rested and attentive driver.
Fatigue can cause you to recognize dangers
too late, to misjudge potential dangers, or to
react slower. Therefore, make sure to be
rested before and during your trip. Take rests
early enough and regularly, especially during
long trips. Failure to do so could cause you to
recognize dangers too late which could result
in an accident and serious injury to you and/
or others.
ATTENTION ASSIST helps you during long,
monotonous journeys such as on freeways
and interstate highways. It is active in the
range between 50 mph (80 km/h) and
112 mph (180 km/h).
If ATTENTION ASSIST detects typical
indicators of fatigue or increasing lapses in
concentration on the part of the driver, it
suggests you take a break.
ATTENTION ASSIST 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 driving conditions, e.g. time, driving time
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
surface is uneven or if there are potholes
R if there is a strong side wind
R if you have adopted a sporty driving style
with high cornering speeds or high rates of
acceleration 184
Driving systemsDriving and parking

R
if you are predominantly driving slower
than 50 mph (80 km/h) or faster than
112 mph (180 km/h)
R if you are currently using COMAND or
making a telephone call with it
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 X
Activate ATTENTION ASSIST using the on-
board computer (Y page 202).
Symbol 0003appears in the multifunction
display.
If ATTENTION ASSIST is active, you will be
warned no sooner than 20 minutes after your
journey has begun. You the nhear an
intermittent warning tonet wice and the
Attention Assist: Take a Break! message appears in the multifunction
display.
X If necessary, take a break.
X Press the 000Bor0007 button to confirm
the message.
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. ATTENTION ASSIST is reset when you
continue your journey and starts assessing
your tiredness again 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. Driving Assistance package
General notes The Driving Assistance package consists of
DISTRONIC PLUS (Y
page 166), Blind Spot
Assist (Y page 186) and Lane Keeping Assist
(Y page 187).
Blind Spot Assist Important safety notes
G
WARNING
Blind Spot Assist is only an aid designed to
assist driving. It may fail to detect some
vehicles and is no substitute for attentive
driving.
Blind Spot Assist cannot detect road and
traffic conditions. It may fail to detect narrow
vehicles, such as motorcycles or bicycles, or
may only detect them too late.
Monitoring may be affected by dirty sensors,
strong spray or poor visibility caused by snow,
rain or mist, for example. In this case, vehicles
are detected late or not at all.
Always pay attention to traffic conditions and
your surroundings. Otherwise, you may fail to
recognize dangers in time, cause an accident
and injure yourself and others.
i USA only:
This device has been approved by the FCC
as a “Vehicular RadarS ystem”.The radar
sensor is intended for use in an automotive
radar system only. Removal, tampering, or
altering of the device will void any
warranties, and is not permitted by the Driving systems
185Driving and parking Z

FCC
.Do not tamper 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.
General notes
Blind Spot Assist uses a radar sensor system
to monitor the areas on both sides of your
vehicle. It is active from a speed of approx.
20 mph (30 km/h). A warning display in the
exterior mirrors draws your attention to
vehicles detected in the monitored area. If
you then switch on the corresponding turn
signal to change lane, you will also receive an
optical and audible collision warning. Blind
Spot Assist uses sensors in the rear bumper
for monitoring purposes.
For Blind Spot Assist to assist you when
driving, the radar sensor system must be
activated (Y page 206) and operational.
Monitoring range of the sensors G
WARNING
Blind Spot Assist monitors certain areas in the
immediate vicinity of your vehicle. Vehicles
that approach and drive past at high speeds
are not detected. There is no display and no
warning.
If the lanes are very wide, it may not be
possible to monitor the complete width of the
neighboring lane. For this reason, vehicles in
the next lane may not be detected, especially
if they are driving in a staggered formation.
This may be the case if vehicles are driving at
that edge of their lane which is furthest away
from your vehicle.
Always pay attention to traffic conditions and
your surroundings. Otherwise, you may fail to
recognize dangers in time, cause an accident
and injure yourself and others. Blind Spot Assist monitors the area up to
10 ft (3.0m) behind your vehicle and directly
next to your vehicle, as shown in the diagram.
For this purpose, Blind Spot Assist uses radar
sensors in the rear bumper.
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
driving in the middle of their lane. This may
be the case if there are vehicles driving at the
inner edge of their lanes.
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 the warning is canceled when driving for an
extended period next to long vehicles, such
as trucks.
The two radar sensors for Blind Spot Assist
are integrated into the sides of the rear
bumper. Make sure that the bumper is free
from dirt, ice or slush around the sensors. 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 sensors
checked at a qualified specialist workshop.
Blind Spot Assist may otherwise not work
properly. 186
Driving systemsDriving and parking

Indicator and warning display
G
WARNING
Blind Spo tAssist is not active at speeds below
approximately 20 mph (30 km/h). The
indicator lamps in the exterior mirrors are
yellow. Vehicles in the monitoring range are
then not indicated.
Always pay attention to traffic conditions and
your surroundings. Otherwise, you may fail to
recognize dangers in time, cause an accident
and injure yourselfa nd others. 0003
Yellow indicator lamp/red warning lamp
Whe nBlind Spot Assist is activated, indicator
lamp 0003lights up yellow in the exterior
mirrors up to a vehicle speed of 20 mph
(30 km/h). From a speed of 20 mph
(30 km/h) the indicator lamp goes out and
Blind Spot Assist is operational.
If a vehicle is detected in the monitoring range
of Blind Spot Assist fro maspeed of approx.
20 mph (30 km/h), warning lamp 0003lights up
red on the corresponding side. This warning
is always emitted when a vehicle enters the
blind spot monitoring range from behind or
from the side. If you overtake a vehicle, a
warning will only be given if the difference in
speed is less than 7mph (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 ambient light. Collision warning
If a vehicle is detected in the monitoring range
of Blind Spot Assist and you switch on the
corresponding turn signal, a double warning
tone sounds. Red warning lamp
0003flashes. If
the turn signal remains on, vehicles detected
are indicated by the flashing of red warning
lamp 0003.There are no further warning tones.
Switching on Blind Spot Assist
X Make sure that the radar sensor system
(Y page 206) and Blind Spot Assist
(Y page 202) are activated in the on-board
computer.
X Turn the SmartKey to position 2in the
ignition lock.
Warning lamps 0003in the exterior mirrors
light up red for approx. 1.5 seconds and
then yellow.
Lane Keeping Assist Important safety notes
G
WARNING
Lane Keeping Assist does not keep your
vehicle in its lane. It is only an aid and may
detect the lane markings on the road
incorrectly or not at all.
The system may be impaired or may not
function if:
R there is poor visibility, e.g. due to
insufficient illumination of the road, or due
to snow, rain, fog or spray.
R there is glare, e.g. from oncoming traffic,
the sun, or reflection from other vehicles.
R the windshield is dirty, fogged up or
covered, for instance by a sticker, in the
vicinity of the camera.
R several or no lane markings for a single lane
are present.
R the lane markings are worn away, dark or
covered up, e.g. by dirt or snow.
R the distance to the vehicle in front is too
small and the lane markings thus cannot be
detected. Driving systems
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