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(Example)
At a distance of around 1.6 ft (0.5 m);from the
vehicle, Blind Spot Assist monitors the area up
to 10 ft (3 m) next to =and behind :your
vehicle, as shown in the picture.
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 there are vehicles driving at the inner
edge of their lanes.
Due to the nature of the system:
Rwarnings may be issued in error when driving
close to crash barriers or similar solid lane
borders
Rwarnings may be interrupted when driving
alongside long vehicles, e.g. trucks, for a pro-
longed time
Warning lamp
:Warning lamp Blind Spot Assist is not active at speeds below
approximately 20 mph (30 km/h). Vehicles in
the monitoring range are then not indicated.
If Blind Spot Assist is activated, warning lamp
:
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 warning 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 :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).
If you select the reverse gear, Blind Spot Assist
is not operational.
The brightness of the warning lamps is auto-
matically adapted to the brightness of the sur-
roundings.
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. The red warning lamp flashes on the
relevant exterior mirror. If the turn signal
remains on, detected vehicles are indicated by
the flashing of the red warning lamp on the exte-
rior mirror. There are no further warning tones.
Activating Blind Spot Assist
XMake sure that Blind Spot Assist is activated
in the on-board computer (Ypage 163).
XSelect SmartKey position 2with the Start/
Stop button.
Warning lamps in the exterior mirrors light up
red for approximately 1.5 seconds and then
turn yellow.
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Lane Keeping Assist
General notes
Lane Keeping Assist monitors the area in front of
your vehicle by means of multifunction cam-
era:which is attached behind the top of the
windshield. 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/hand 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.
Important safety notes
GWARNING
Lane Keeping Assist cannot always clearly
detect lane markings.
In such cases, Lane Keeping Assist can:
Rgive an unnecessary warning
Rnot give a warning
There is a risk of an accident.
Always pay particular attention to the traffic
situation and keep within the lane, especially
if Lane Keeping Assist alerts you.
GWARNING
The Lane Keeping Assist warning does not
return the vehicle to the original lane. There is
a risk of an accident.
You should always steer, brake or accelerate
yourself, in particular if warned by Lane Keep-
ing Assist. If you fail to adapt your driving style, Lane Keep-
ing Assist can neither reduce the risk of an acci-
dent nor override the laws of physics. Lane
Keeping Assist cannot take into account the
road, traffic and weather conditions. Lane Keep-
ing Assist is merely an aid. You are responsible
for the distance to the vehicle in front, for vehi-
cle speed, for braking in good time and for stay-
ing in your lane.
The Lane Keeping Assist does not keep the vehi-
cle in the lane.
The system may be impaired or may not function
if:
Rthere is poor visibility, e.g. due to insufficient
illumination of the road, or due to snow, rain,
fog or heavy spray
Rthere is glare, e.g. from oncoming traffic, the
sun or reflection from other vehicles (e.g. if
the road surface is wet)
Rthe windshield is dirty, fogged up, damaged or
covered, for instance by a sticker, in the vicin-
ity of the camera
Rthere are no or several unclear lane markings
for one lane, e.g. roadworks
Rthe lane markings are worn away, dark or cov-
ered up, e.g. by dirt or snow
Rthe distance to the vehicle in front is too short
and thus the lane markings cannot be detec-
ted
Rthe lane markings change quickly, e.g. lanes
branch off, cross one another or merge
Rthe road is narrow and winding
Rthere are strong shadows cast on the road
Switching on Lane Keeping Assist
XActivate Lane Keeping Assist using the on-
board computer; to do so, select Standardor
Adaptive(Ypage 164).
If you drive at speeds above 40 mph
(60 km/h) and lane markings are detected,
the lines in the Assistance display are shown
in green (
Ypage 162). Lane Keeping Assist is
ready for use.
Standard
When Standardis selected, no warning vibra-
tion occurs if:
Ryou have switched on the turn signal. In this
event, the warnings are suppressed for a cer-
tain period of time
Ra driving safety system intervenes, such as
ABS, BAS or ESP®
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Driving an d parking
Page 155 of 294
Adaptive
WhenAdaptiveis selected, no warning vibra-
tio noccur sif:
Ryou have switched on th etur nsignal. In this
event ,th ewarning sare suppressed for acer -
tai nperiod of tim e
Radriving safet ysystem intervenes, e.g. ABS,
BA Sor ES P®
Ryou accelerate hard ,e.g. kickdown .
Ryou brakehard
Ryou steer actively, e.g. swerve to avoi dan
obstacle or chang elane squickly
Ryou cut th ecorner on ashar pben d
In order that you are warned only when neces -
sary and in good tim eif you cross th elane mark-
ing ,th esystem detect scertai ncondition sand
warn syou accordingly.
The warning vibration occur searlier if:
Ryou approac hth eouter lane markin gon a
ben d
Rtheroad has ver ywide lanes, e.g. afreeway
Rth esystem detect ssoli dlane markings
The warning vibration occur slater if:
Rth eroad has narrow lane s
Ryou cut thecorner on aben d
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Important safety notes
GWARNING
If you operate information systems and com-
munication equipmen tintegrate din th evehi-
cle when driving ,you may be distracte dfrom
th etraffic situation .You could also lose con-
trol of th evehicle. Ther eis aris kof an acci-
dent.
Only operate this equipmen twhen th etraffic
situation permits. If you are no tsur ethat this
is possible ,park th evehicl epayin gattention
to traffic condition sand operate th eequip-
men twhen th evehicl eis stationary.
You must observ eth elegal requirements for th e
country in whic hyou are currentl ydriving when
operating th eon-board computer.
GWARNIN G
If th einstrumen tcluste rhas faile dor mal-
functioned, you may no trecognize function
restriction sin systems relevan tto safety. The
operating safet yof your vehicl emay be
impaired .Ther eis aris kof an accident.
Drive on carefully. Hav eth evehicl echecke d
at aqualified specialist workshop immedi-
ately.
The on-board computer only shows message sor
warning sfrom certain systems in th emultifunc-
tion display. You should therefor emak esur e
your vehicl eis operating safely at all times .
If th eoperating safet yof your vehicl eis
impaired ,pull ove ras soo nas it is saf eto do so.
Contac t aqualified specialist workshop.
Fo ran overview, see th einstrumen tpanel illus-
tration (
Ypage 34).
Displays and operation
Speedometer with segments
The segments in th espeedometer indicat e
whic hspee drange is available:
RCruis econtrol activated (Ypage 129): The segments ligh
tup from th estore dspee d
to th etype-tested maximum speed.
RDistanc ePilot DISTRONI Cis activated
(Ypage 131):
On eor two segments in th eset spee drange
ligh tup.
RDistanc ePilot DISTRONI Cdetects avehicl ein
fron tmoving mor eslowly than th estore d
speed:
The segments between th espee dof th evehi-
cle in fron tand th estore dspee dligh tup.
Tachometer
!
Do no tdriv ein th eoverrevving range, as this
could damag eth eengine.
The red ban din th etachometer indicates th e
engine's overrevving range.
The fuel suppl yis interrupted to protect th e
engin ewhen th ered ban dis reached.
Outside temperature display
You should pay special attention to road condi-
tion swhen temperatures are aroun dfreezing
point.
Bea rin min dthat th eoutside temperature dis-
play indicates th emeasured air temperature
and no tth eroad surfac etemperature.
The outside temperature display is in th emulti-
function display (
Ypage 156).
Changes in th eoutside temperature are dis-
played after ashort delay.
Coolant temperature display
GWARNIN G
Opening th ehoo dwhen th eengin eis over-
heated or when there is afir ein th eengin e
compartmen tcould expos eyou to hot gase s
or other servic eproducts .Ther eis aris kof
injury.
Let an overheate dengin ecool down before
opening th ehood. If there is afir ein th e
engin ecompartment, keep th ehoo dclosed
and contact th efir edepartment.
154Displays and operation
On-board computer and displays
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!If the coolant temperature is too high, a dis-
play message is shown.
If the coolant temperature display is in the
area marked in red, do not continue driving.
Otherwise, the engine will be damaged.
The coolant temperature display is in the lower
section of the tachometer (
Ypage 34).
Under normal operating conditions and with the
specified coolant level, the coolant temperature
display may rise to the red marking.
Operating the on-board computer
:Multifunction display
;Right control panel
=Left control panel
XTo activate the on-board computer: set the
Start/Stop button to key position 1.
You can control the multifunction display and
the settings in the on-board computer using the
buttons on the multifunction steering wheel. Left control panel
òROpens the menu list
9
:Press briefly:
RScrolls in lists
RSelects a menu or function
RIn the
RadioorMediamenu:
opens the track or station list and
selects a station, an audio track or
a video scene
RIn the Telephonemenu: switches
to the phone book and selects a
name or a telephone number
9
:Press and hold:
RScrolls quickly through all lists
RIn the RadioorMediamenu:
selects a station, audio track or
video scene using rapid scrolling
RIn the Telephonemenu: starts
rapid scrolling if the phone book is
open
aRIn all menus: confirms the selected
entry in the list
RIn the RadioorMediamenu:
opens the list of available radio
sources or media
RIn the Telephonemenu: switches
to the phone book and starts dial-
ing the selected number
ñRSwitches off the Voice Control
System (see the Digital Operator's Manual)
%Press briefly:
RBack
RIn the RadioorMediamenu: dese-
lects the track or station list or list
of available radio sources or media
RHides display messages
RExits the telephone book/redial
memory
%Press and hold:
RCalls up the standard display in the
Tripmenu
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Right control panel
~RRejects or ends a call
RExits the telephone book/redial
memory
6RMakes or accepts a call
RSwitches to the redial memory
W
XRAdjusts the volume
8RMute
óRSwitches on the Voice Control Sys-
tem (see the Digital Operator's
Manual)
Multifunction display
:Transmission position (Ypage 114)
;Time
=Outside temperature (Ypage 154)
?Display panel
AAdditional speedometer (Ypage 165)
Display panel ?shows the selected menu or
submenu and display messages.
Additional speedometer Adisplays the speed
in the respective unit that is not shown in the
multifunction display.
XTo open the menu list: pressòon the
steering wheel.
Display panel ?appears in the menu list.
Possible displays in the multifunction display:
R= Parking Assist PARKTRONIC
(Ypage 142)
R¯ Cruise control (Ypage 129)
R_Adaptive Highbeam Assist (Ypage 93)
RèECO start/stop function (Ypage 108)
RëHOLD function (Ypage 139)
Menus and submenus
Menu overview
Press the òbutton on the steering wheel to
open the menu list.
Operating the on-board computer (
Ypage 155).
Depending on the vehicle equipment, you can
select the following menu:
RTripmenu (Ypage 156)
RNavimenu (navigation instructions)
(Ypage 158)
RRadiomenu (Ypage 159)
RMediamenu (Ypage 160)
RTelephonemenu (Ypage 161)
RAssistance Graphicmenu (Ypage 162)
RServicemenu (Ypage 163)
RSettingsmenu (Ypage 163)
RAMGmenu (Ypage 165)
Trip menu
Standard display
XPress and hold the %button on the steer-
ing wheel until the Tripmenu with trip odom-
eter :and odometer ;appears.
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On-board computer and displays
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Calling up the range
XPress theòbutton on the steering wheel
to open the menu list.
XPress :or9 on the steering wheel to
select the Tripmenu.
XPress:or9 to select the approximate
Range.
The approximate range that can be covered
depends on the fuel level and your current
driving style. If there is only a small amount of
fuel left in the fuel tank, a vehicle being refu-
eled C appears instead of approximate
range.
Trip computer "From Start" or "From
Reset"
:Distance
;Driving time
=Average speed
?Average fuel consumption
XPress òon the steering wheel to open the
menu list.
XPress :or9 on the steering wheel to
select the Tripmenu.
XConfirm by pressing aon the steering
wheel.
XPress :or9 to select From Startor
From Reset.
The values in the From
Startsubmenu are cal-
culated from the start of a journey, while the
values in the From Reset
submenu are calcu-
lated from the last time the submenu was reset
(
Ypage 157).
In the following cases the trip computer is auto- matically reset From Start
:
Rthe ignition has been switched off for more
than four hours.
R999 hours have been exceeded.
R9,999 miles have been exceeded.
The From Reset
trip computer is automatically
reset if the value exceeds 9,999 hours or
99,999 miles.
Digital speedometer
XPress òon the steering wheel to open the
menu list.
XPress :or9 on the steering wheel to
select the Tripmenu.
XConfirm by pressing aon the steering
wheel.
XPress the :or9 button to select the
digital speedometer.
Resetting values
XPress òon the steering wheel to open the
menu list.
XPress :or9 on the steering wheel to
select the Tripmenu.
XConfirm by pressing aon the steering
wheel.
XPress the :or9 button to select the
function that you wish to reset.
XPress the abutton.
XPress :to select Yesand press ato
confirm.
You can reset the values of the following func-
tions:
RTrip odometer
R"From Start" trip computer
R"From Reset" trip computer
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Navigation system menu
Displaying navigation instructions
In the Navimenu, the multifunction display
shows navigation instructions. You can find fur-
ther information on navigation instructions in
the multimedia system in the Digital Operator's Manual.
XSwitch on the multimedia system.
XPress òon the steering wheel to open the
menu list.
XPress :or9 on the steering wheel to
select the Navimenu.
XConfirm by pressing aon the steering
wheel.
Route guidance not active
:Direction of travel
;Current road
Route guidance active
No change of direction announced
:Distance to the next destination
;Estimated arrival time
=Distance to the next change of direction
?Current road
Change of direction announced with a
lane recommendation
:Target of the change of direction
;Distance to the change of direction
=Change-of-direction symbol
?Recommended lane and new lane during a
change of direction (white)
APossible lane
BLane not recommended (dark gray)
On multilane roads, new lane recommendations can be displayed for the next change of direction
if the digital map supports this data. During the
change of direction, new lanes may be added.
Lane not recommended B: you will not be able
to complete the next change of direction if you
stay in this lane.
Possible lane A: you will only be able to com-
plete the next change of direction in this lane.
Recommended lane ?: in this lane you will be
able to complete the next change of direction
and the one after that.
158Menus and submenus
On-board computer and displays