X
Connecting a trickle charger.
i You can obtain information about trickle
chargers from a qualified specialist
workshop.
If you leave the vehicle parked for longer than
six weeks, the vehicle may suffer damage as
a result of lack of use.
X Visit a qualified specialist workshop and
seek advice. Driving tips
General driving tips
Important safety notes G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving. G
WARNING
If you operate mobile communication
equipment while driving, you will be
distracted from traffic conditions. You could
also lose control of the vehicle. There is a risk
of an accident.
Only operate this equipment when the vehicle
is stationary.
Observe the legal requirements for the
country in which you are driving. Some
jurisdictions prohibit the driver from using a
mobile phone while driving a vehicle.
If you make a call while driving, always use
hands-free mode. Only operate the telephone
when the traffic situation permits. If you are
unsure, pull over to a safe location and stop
before operating the telephone.
Bear in mind that at a speed of only 30 mph
(approximately 50 km/h), the vehicle covers a distance of 44 ft (approximately 14 m) per
second.
Drive sensibly – save fuel Observe the following tips to save fuel:
X
The tires should always be inflated to the
recommended tire pressure.
X Remove unnecessary loads.
X Remove roof racks when they are not
needed.
X Warm up the engine at low engine speeds.
X Avoid frequent acceleration or braking.
X Have all maintenance work carried out as
indicated by the service intervals in the
Maintenance Booklet or by the service
interval display.
Fuel consumption also increases when
driving in cold weather, in stop-start traffic
and in hilly terrain.
Drinking and driving G
WARNING
Drinking and driving and/or taking drugs and
driving are very dangerous combinations.
Even a small amount of alcohol or drugs can
affect your reflexes, perceptions and
judgment.
The possibility of a serious or even fatal
accident is greatly increased when you drink
or take drugs and drive.
Do not drink or take drugs and drive or allow
anyone to drive who has been drinking or
taking drugs.
Emission control G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces
without sufficient ventilation. 166
Driving tipsDriving and pa
rking
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 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 229).
If ATTENTION ASSIST is active, you will be
warned no sooner than 20 minutes after your
journey has begun. You then hear an
intermittent warning tone twice and the
Attention Assist: Drowsiness
Attention Assist: Drowsiness
detected detected message appears in the
multifunction display.
X If necessary, take a break.
X Press the 0076button 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, you will be warned again
after 15 minutes at the earliest. The
precondition for this is that
ATTENTION ASSIST still detects typical
indicators of fatigue or increasing lapses in
concentration.
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.
The assistance graphic shows the 00D7
symbol when ATTENTION ASSIST is
deactivated (Y page 228). Lane Tracking package
General notes The Lane Tracking package consists of Blind
Spot Assist (Y
page 202) and Lane Keeping
Assist (Y page 204).
Blind Spot Assist General notes
Blind Spot Assist uses a radar sensor system
to monitor the areas on both sides of your
vehicle. It supports you from a speed of
approximately 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 lanes,
you will also receive a visual and audible
collision warning. Blind Spot Assist uses
sensors in the rear bumper for monitoring
purposes.
For Blind Spot Assist to assist you, the radar
sensor system must be operational.
Important safety notes
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. 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
carefully, and maintain a safe lateral distance.
i USA only:
This device has been approved by the FCC
as a "Vehicular Radar System". The radar 202
Driving systemsDriving and parking
Outside temperature display
You should pay special attention to road
conditions when temperatures are around
freezing point.
The outside temperature display is in the
multifunction display (Y page 222).
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 173):
The segments light up from the stored
speed to the maximum speed.
R DISTRONIC PLUS activated (Y page 175):
One or two segments in the set speed
range light up.
R DISTRONIC PLUS detects a vehicle in front:
The segments between the speed of the
vehicle in front and the stored speed light
up. Operating the on-board computer
Overview The on-board computer is activated as soon
as you turn the SmartKey to position 1in the
ignition lock.
You can control the multifunction display and
the settings in the on-board computer using
the buttons on the multifunction steering
wheel. 0043
Multifunction display
0044 Switches on the Voice Control System;
see the separate operating instructions
0087 Right control panel
0085 Left control panel
0083 Back button
Left control panel 0059
0065 R
Calls up the menu and menu bar 0063
0064
Press briefly:
R
Scrolls in lists
R Selects a submenu or function
R In the Audio Audio menu: selects a
stored station, an audio track or
a video scene
R In the Tel Tel(telephone) menu:
switches to the phone book and
selects a name or telephone
number Displays and operation
221On-board computer and displays Z
0063
0064
Press and hold:
R
In the Audio Audio menu: selects the
previous/next station or selects
an audio track or a video scene
using rapid scrolling
R In the Tel
Tel (Telephone) menu:
starts rapid scrolling of the
phone book if it is open 0076 R
Confirms a selection/display
message
R In the Tel Tel(Telephone) menu:
switches to the telephone book
and starts dialing the selected
number
R In the Audio Audio menu: stops the
station search function at the
desired station Right control panel
0076 R
Rejects or ends a call
R Exits phone book/redial
memory 0061 R
Makes or accepts a call
R Switches to the redial memory 0081
0082 R
Adjusts the volume 0063 R
Mute Back button
0038
Press briefly:
R
Back
R Switches off the Voice Control
System; see the separate
operating instructions
R Hides display messages/calls
up the last Trip Tripmenu function
used
R Exits the telephone book/redial
memory 0038
Press and hold:
R
Calls up the standard display in
the Trip Trip menu Multifunction display
Values and settings as well as display
messages are shown in the multifunction
display. 0043
Text field
0044 Menu bar
0087 Drive program (Y page 153)
0085 Transmission position (Y page 153)
0083 Time
0084 Permanent display: outside temperature
or speed (Y page 231)
X To show menu bar0044: press the0059
or 0065 button on the steering wheel.
Menu bar 0044disappears after a few seconds. 222
Displays and operationOn-board computer and displays
Text field
0043shows the selected menu or
submenu as well as display messages.
i You can set the time using the audio
system or COMAND, see the separate
operating instructions.
The following messages may appear in the
multifunction display:
0097 Shift recommendation
(Ypage 156)
CRUISE
CRUISE Cruise control (Y
page 173)
00CE Adaptive Highbeam Assist
(Ypage 116)
00A7 ECO start/stop function
(Ypage 148)
00D9 HOLD function (Y page 183) Menus and submenus
Menu overview
Operating the on-board computer
(Y page 221).
Depending on the equipment installed in the
vehicle, you can call up the following menus:
R Trip
Trip menu (Y page 223)
R Navi Navi menu (navigation instructions)
(Y page 225)
R Audio
Audio menu (Y page 226)
R Tel
Tel menu (telephone) (Y page 227)
R DriveAssist
DriveAssist menu (assistance)
(Y page 228)
R Serv
Serv menu (Y page 230)
R Sett.
Sett. menu (settings) (Y page 230)
The Audio
Audio ,Navi
Navi andTel
Tel menus differ slightly
in vehicles with an audio system and in
vehicles with COMAND. The examples given
in this Operator's Manual apply to vehicles
equipped with COMAND. Trip menu
Standard display X
Press and hold the 0038button on the
steering wheel until the Trip
Trip menu with
trip odometer 0043and odometer 0044is
shown.
Trip computer "From Start" or "From
Reset" Example: trip computer "From Start"
0043
Distance
0044 Time
0087 Average speed
0085 Average fuel consumption
X Press the 0059or0065 button on the
steering wheel to select the Trip
Trip menu.
X Press the 0063or0064 button to select
From Start From Start orFrom Reset
From Reset .
The values in the From Start
From Startsubmenu are
calculated from the start of a journey,
whereas the values in the From Reset From Reset
submenu are calculated from the last time the
submenu was reset (Y page 224).
The From Start From Start trip computer is
automatically reset if:
R the ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 9,999 miles have been exceeded. Menus and submenus
223On-board computer and displays Z
Video DVD operation
Example: CD/DVD changer display
0043
Current scene
X Switch on COMAND and select video DVD;
see the separate operating instructions.
X Press the 0059or0065 button on the
steering wheel to select the Audio
Audio menu.
X To select the next/previous scene:
briefly press the 0063or0064 button.
X To select a scene from the scene list
(rapid scrolling): press and hold the
0063 or0064 button until desired scene
has been reached. Telephone menu
Introduction G
WARNING
If you operate information systems and
communication equipment integrated in the
vehicle while driving, you will be distracted
from traffic conditions. You could also lose
control of the vehicle. There is a risk of an
accident.
Only operate the equipment when the traffic
situation permits. If you are not sure that this
is possible, park the vehicle paying attention
to traffic conditions and operate the
equipment when the vehicle is stationary.
When telephoning, you must observe the
legal requirements for the country in which
you are currently driving. X
Switch on your mobile phone and audio
system or COMAND, see the separate
operating instructions.
X Establish a Bluetooth ®
connection to the
audio system or COMAND; see the
separate operating instructions.
X Press the 0059or0065 button on the
steering wheel to select the Tel Telmenu.
You will see one of the following display
messages in the multifunction display:
R Phone READY Phone READY or the name of the network
provider: the mobile phone has found a
network and is ready to receive.
R Phone No Service Phone No Service: there is no network
available or the mobile phone is searching
for a network.
Accepting a call If someone calls you when you are in the
Tel Tel
menu, a display message appears in the
multifunction display, for example: Example: incoming call
X
Press the 0061button on the steering
wheel to accept an incoming call.
You can accept a call even if you are not in
the Tel Tel menu.
Rejecting or ending a call X
Press the 0076button on the steering
wheel.
You can end or reject a call even if you are not
in the Tel Telmenu. Menus and submenus
227On-board computer and displays Z
Dialing an entry from the phone book
X
Press the 0059or0065 button on the
steering wheel to select the Tel
Tel menu.
X Press the 0063,0064or0076 button to
switch to the phone book.
X Press the 0063or0064 button to select the
desired name.
or
X To begin rapid scrolling: press and hold
the 0063 or0064 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 the0061or0076 button
to start dialing.
or
X If there is more than one number for a
particular name: press the0061or0076
button to display the numbers.
X Press the 0063or0064 button to select the
number you want to dial.
X Press the 0061or0076 button to start
dialing.
or
X To exit the telephone book: press the
0076 or0038 button.
Redialing The on-board computer saves the last names
or numbers dialed in the redial memory.
X Press the 0059or0065 button on the
steering wheel to select the Tel
Tel menu.
X Press the 0061button to switch to the
redial memory.
X Press the 0063or0064 button to select the
desired name or number.
X Press the 0061or0076 button to start
dialing.
or
X If you do not want to make a call: press
the 0076 or0038 button. Assistance menu
Introduction In the
DriveAssist DriveAssist menu, you have the
following options:
R Displaying the assistance graphic
(Y page 228)
R Activating/deactivating PRE-SAFE ®
Brake
(Y page 229)
R Activating/deactivating ATTENTION
ASSIST (Y page 229)
R Activating/deactivating Blind Spot Assist
or Active Blind Spot Assist (Y page 229)
R Activating/deactivating Lane Keeping
Assist or Active Lane Keeping Assist
(Y page 229)
Displaying the assistance graphic X
Press the 0059or0065 button on the
steering wheel to select the DriveAssist DriveAssist
menu.
X Press 0063or0064 to select Assistance
Assistance
Graphic
Graphic .
X Press the 0076button.
The multifunction display shows the
DISTRONIC PLUS distance display in the
assistance graphic ( Ypage 180).
The assistance graphic can display the status
of and information from other driving systems
or driving safety systems.
The assistance graphic shows:
R the 00D7 symbol when ATTENTION ASSIST
(Y page 201) is deactivated.
R the lane markings as bright lines when Lane
Keeping Assist (Y page 204) or Active Lane
Keeping Assist (Y page 209) is activated.228
Menus and submenusOn-boa
rdcompu ter and displays
Display messages Possible causes/consequences and
0050
0050Solutions 0066 The hood is open.
G WARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
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 ( Ypage 164).
X Close the hood. 0051 At least one door is open.
X
Close all the doors. 00CC
Power Steering Power Steering
Malfunction See Malfunction See
Operator's Manual Operator's Manual The power steering is malfunctioning.
A warning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. Phone No Service Phone No Service Your vehicle is outside the network provider's transmitter/
receiver range.
X
Wait until the mobile phone operational readiness symbol
appears in the multifunction display. 00B2
Check Washer Fluid Check Washer Fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Add washer fluid ( Ypage 305). Display
messages
259On-board computer and displays Z