sensor MERCEDES-BENZ SLK-Class 2013 R172 Owner's Guide

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
187Driving and parking
Z

X
Turn the brightness control knob counter-
clockwise or clockwise.
If the light switch is set to 0005,0013or
000A, the brightness is dependent upon
the brightness of the ambient light.
i The light sensor in the instrument cluster
automatically controls the brightness of
the multifunction display.
In daylight, the displays in the instrument
cluster are not lit. Coolant temperature display
G
WARNING
Driving when your engine is overheated can
cause some fluids which may have leaked into
the engine compartment to catch fire. You
could be seriously burned.
Steam from an overheated engine can cause
serious burns which can occur just by opening
the engine hood. Stay away from the engine
if you see or hear steam coming from it.
Stop the vehicle in a safe location away from
other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until
the engine has cooled down.
! Adisplay message is shown if the coolant
temperature is too high.
If the coolant temperature is over
248 ‡(120 †), do not continue driving. The
engine will otherwise be damaged.
The coolan ttemperature gauge is in the
instrument cluster on the right-hand side
(Y page 29).
Under normal operating conditions and with
the specified coolant level, the coolant
temperature may rise to 248 ‡ (120 †). Tachometer
! Do not drive in the overrevving range, as
this could damage the engine. The red band in the tachometer indicates the
engine's overrevving range.
The fuel supply is interrupted to protec
tthe
engine when the red band is reached. Outside temperature display
G
WARNING
The outside temperature indicator is not
designed to serve as an ice-warning device
and is therefore unsuitable for that purpose.
Indicated temperatures just above the
freezing point do not guarantee that the road
surface is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
The outside temperature display is in the
multifunction display (Y page 195).
Changes in the outside temperature are
displayed after a short delay. Speedometer with segments
The segments in the speedometer indicate
which speed range is available.
R Cruise control activated (Y page 163):
The segments light up from the stored
speed to the maximum speed.
R DISTRONIC PLUS activated (Y page 166):
One or two segments in the set speed
range light up.
R DISTRONIC PLUS detectsav ehicle in front:
The segments between the speed of the
vehicle in fron tand the stored speed light
up. Displays and operation
193On-board computer and displays Z

Dialing a number from the phone book
X
Press the 0002or0005 button on the
steering wheel to selec tthe Tel menu.
X Press the 0003,0004or000B button to
switch to the phone book.
X Press the 0003or0004 button to select the
desired name.
or
X To begin rapid scrolling: press and hold
the 0003 or0004 button for longer than
one second.
Rapid scrolling stops when you release the
button or reach the end of the list.
X If only one telephone number is stored
for a name: press the0004or000B button
to start dialing.
or
X If there is more than one number for a
particular name: press the0004or000B
button to display the numbers.
X Press the 0003or0004 button to select the
number you want to dial.
X Press the 0004or000B button to start
dialing.
or
X To exit the telephone book: press the
000C or0007 button.
Redialing The on-board computer saves the last names
or numbers dialed in the redial memory.
X Press the 0002or0005 button on the
steering wheel to select the Tel menu.
X Press the 0004button to switch to the
redial memory.
X Press the 0003or0004 button to select the
desired name or number.
X Press the 0004or000B button to start
dialing.
or
X To exit the redial memory: press the
000C or0007 button. Assistance menu
Introduction In the
DriveAssist menu, you have the
following options:
R Showing the distance display
(Y page 201)
R Activating/deactivating the PRE-SAFE ®
Brake (Y page 202)
R Activating/deactivating ATTENTION
ASSIST (Y page 202)
R Activating/deactivating Blind Spot Assist
(Y page 202)
R Activating/deactivating Lane Keeping
Assist (Y page 202)
Showing the distance display X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
Distance Display .
X Press the 000Bbutton.
The DISTRONIC PLUS distance display
appears in the multifunction display
(Y page 173).
If the Sensors Deactivated message
appears, the radar sensor system is
deactivated.
X Switch on the radar sensor system
(Y page 206). Menus and submenus
201On-board computer and displays Z

Activating/deactivating PRE-SAFE
®
Brake PRE-SAFE
®
Brake is only available in vehicles
with DISTRONIC PLUS.
X Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 buttonto select
PRE-SAFE Brake .
X Press the 000Bbutton.
The current selection is displayed.
X To activate/deactivate: press the000B
button again.
When PRE-SAFE ®
Brake is activated, the
multifunction display shows the 0001symbol
as long as the HOLD function is not activated
(Y page 176).
Vehicles with Parking Guidance: if
PARKTRONIC is activated and you are driving
at a speed 22under 35 km/h, the 0014Parking
Guidance symbol is shown instead of the
0001 symbol (Y page 181).
If the PRE-SAFE Brake: Sensors Deactivated message appears, the radar
sensor system is deactivated.
X Switch on the radar sensor system
(Y page 206).
For more information on PRE-SAFE ®
Brake,
see (Y page 65).
Activating/deactivating ATTENTION
ASSIST X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
Attention Asst. X
Press the 000Bbutton.
The current selection is displayed.
X To activate/deactivate: press the000B
button again.
When ATTENTION ASSIST is activated, the
0002 symbol appears in the multifunction
display when the ignition is on. For further information about ATTENTION
ASSIST, see (Y
page 184).
Activating/deactivating Blind Spot
Assist X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
Blind Spot Asst .
X Press the 000Bbutton.
The current selection is displayed.
X To activate/deactivate: press the000B
button again.
If the Blind Spot Assist Deactivated message appears, the radar sensor system is
deactivated.
X
Switch on the radar sensor system
(Y page 206).
For further information about Blind Spot
Assist, see (Y page 185)
Activating/deactivating Lane Keeping
Assist X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
Lane Keep. Asst. X
Press the 000Bbutton.
The current selection is displayed.
X Press 000Bto confirm.
X Press 0004or0003 to set Off ,
Standard or
Adaptive .
X Press the 000Bbutton to save the setting.
When Lane Keeping Assist is activated, the
0001 symbol appears in the multifunction
display when the ignition is on.
For further information about Lane Keeping
Assist, see (Y page 187).202
Menus and submenusOn-board computer and displays

X
Press the 0004or0003 button to select the
Interior Lighting Delay: function.
You will see the selected setting: Enabledor
Disabled .
X Press the 000Bbutton to save the setting.
Vehicle Activating/deactivating the automatic
door locking mechanism
X
Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Vehicle submenu.
X Press 000Bto confirm.
X Press the 0004or0003 button to select the
Automatic Door Lock: function.
You will see the selected setting: Enabledor
Disabled .
X Press the 000Bbutton to save the setting.
If you select the Automatic Door Locks: function, the vehicle is centrally locked above
a speed of around 9 mph (15 km/h).
For further information on the automatic
locking feature, see (Y
page 78).
Activating/deactivating the acoustic
locking verification signal
If you switch on the Acoustic LockFeedback: function, an acoustic signal
sounds when you lock the vehicle.
X Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Vehicle submenu.
X Press 000Bto confirm.
X Press the 0004or0003 button to select the
Acoustic Lock Feedback: function.
You will see the selected setting: Enabledor
Disabled .
X Press the 000Bbutton to save the setting. Activating/deactivating the radar sensor
system
X
Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Vehicle submenu.
X Press 000Bto confirm.
X Press the 0003or0004 button to select
Radar Sensor (See Oper. Manual): .
You will see the selected setting: Enabled or
Disabled .
X Press the 000Bbutton to save the setting.
The following systems are switched off when
the radar sensor system is deactivated:
R DISTRONIC PLUS (Y page 166)
R BAS PLUS (Y page 60)
R PRE-SAFE ®
Brake (Y page 65)
Convenience Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, move
steering wheel adjustmen tlever or press one
of the memory position buttons.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver's door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
X Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Convenience submenu.
X Press 000Bto confirm. 206
Menus and submenusOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0007
mbrace Inoperative One or more main features of the mbrace system are
malfunctioning.
X
Have the mbrace system checked immediately at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual Important function
sof PRE-SAFE ®
have failed .All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. PRE-SAFE
Functions
Currently Limited
See Operator's
Manual PRE-SAFE
®
Brake is deactivated or temporarily inoperative.
Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R AMG vehicles: ESP ®
is deactivated.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
PRE-SAFE ®
Brake is operational again.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 155).
X Clean the sensors in the radiator grill and the bumper
(Y page 285).
X Restar tthe engine.
X AMG vehicles: reactivate ESP ®
(Y page 63). PRE-SAFE
Functions Limited
See Operator's
Manual PRE-SAFE
®
Brake is inoperative due to a malfunction. BAS PLUS
or the distance warning signal may also have failed.
X Visit a qualified specialist workshop. 218
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0001
Check Rear Left
Sidemarker
Lamp or
Check Rear Right Sidemarker
Lamp The rear lef
torright side marker lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 0001
Check
Left Daytime
Running
Light or
Check Right Daytime
Running Light The left-hand or right-hand daytime running lamp is faulty.
X
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 0001
Active Light
System Inoperative The active light function is defective.
X
Visit a qualified specialist workshop. 0001
Malfunction See
Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. 0001
Auto
Lamp Function
Inoperative The light sensor is defective.
X
Visit a qualified specialist workshop. 0001
Switch Off Lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to 0005.Adaptive Highbeam
Assist Inoperative Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop. Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
R
the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
X Clean the windshield.
If the system detects that the camera is fully operational again,
the Adaptive Highbeam Assist Now Available message is
displayed.
Adaptive Highbeam Assist is operational again. Display messages
225On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
0001
Off The HOLD function is deactivated. the vehicle is skidding.
Aw
arning tone also sounds.
X Reactivate the HOLD function later (Y page 176).Radar Sensors
Deactivated See
Operator's Manual The radar sensor system is deactivated.
X
Switch on the radar sensor system (Y page 206).Lane Keeping
Assist Currently
Unavailable See
Operator's Manual Lane Keeping Assist is deactivated and temporarily inoperative.
Possible causes are:
R
the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
R there are no lane markings for a longer period.
R the lane markings are worn, dark or covered, e.g .by dir tors now.
Whe nthe causes stated above no longer apply, the display
message disappears.
Lane Keeping Assist is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 155).
X Cleant he windshield. Lane Keeping
Assist Inoperative Lane Keeping Assist is faulty.
X
Visit a qualified specialist workshop. Display messages
229On-board computer and displays Z